30th week of 2012 patent applcation highlights part 9 |
Patent application number | Title | Published |
20120186789 | NANOFLUIDS FOR USE IN COOLING ELECTRONICS - A fluid composition or nanofluid is described that includes a dielectric base fluid, a chemical dispersant, and nanoparticles dispersed in the dielectric fluid. The chemical dispersant is used to facilitate the nanoparticle dispersing process and also to increase the stability of the nanofluid thus produced. The nanofluid is compatible with electronics and has enhanced thermal conductivity for use in cooling electronics. Techniques are described that can be used to efficiently disperse different forms of nanoparticles into a base fluid and produce a stable nanofluid which is compatible with electronic circuitry and components. | 2012-07-26 |
20120186790 | IMPLEMENTING A FRONT DOOR AIR TO WATER HEAT EXCHANGER - A system for cooling of electronic equipment enclosures, the system includes: enclosures with front and rear doors for holding assemblages of electronics; front and rear heat exchangers housed within each of the front and rear doors, respectively; a series of separate supply lines configured with control valves and flow control sensors that provide liquid coolant to each of the heat exchangers; a series of separate return lines configured with temperature sensors for exiting coolant from each of the heat exchangers; separate air purging valves for each of the supply and return lines; a series of spray shields for preventing coolant leaks from entering an inlet airflow, and to protect the assemblages of electronics from coolant leaks; wherein the control valves are actuated by a controller in response to readings from the temperature and flow control sensors to separately control coolant flow to each of the front and rear heat exchangers. | 2012-07-26 |
20120186791 | TRANSPORT MEMBRANE CONDENSER USING TURBULENCE PROMOTERS - An apparatus and method for enhancing the heat and water recovery from a transport membrane condenser (TMC) includes a non-moving mechanical device inserted into the TMC tubes to increase the heat transfer efficiency via the enhancement of the fluid turbulence and/or surface area. The apparatus and methods may be applied to porous tubes arranged in a spaced array, similar to a conventional shell and tube heat exchanger device. Other configurations of the TMC may be conceived and adapted for use with the described apparatus and method. | 2012-07-26 |
20120186792 | Architecturally And Thermally Improved Freeze Resistant Window Perimeter Radiator - The present invention is a room perimeter heating/cooling radiator that utilizes low to medium temperature heat transfer fluid in a new design with an enhanced ‘primary only’ heat transfer surface having an internal spiral or helix to circulate the water around the inside of the primary surface to enhance the heat transfer, and an internal conduit that provides both freeze protection and the ability to cross connect multiple identical radiators for increased efficiency. The primary intended location is within inches of the building windows. | 2012-07-26 |
20120186793 | INTEGRATED DEVICE WITH DEFINED HEAT FLOW - An integrated device includes at least one heat generating component which generates heat when operated, at least one temperature-sensitive component, and one or more hollow insulation regions arranged between the at least one heat generating component and the at least one temperature-sensitive component. The hollow insulation region may be provided as a vacuum gap. | 2012-07-26 |
20120186794 | HEAT-EXCHANGER CONFIGURATION - A heat exchanger including a first plate and a second plate spaced apart from the first plate that defines a first gap between inner surfaces of the first plate and the second plate in which a first fluid circulates where a major portion of the first gap is free of obstructions, where a second fluid contacts an outer surface of the first or second plate for heat exchange with the first fluid, where a first peripheral wall on the periphery of the first gap has a curved profile inside the first gap, and at least one inlet is radially positioned with respect to the first gap and injects the first fluid in the gap, and least one outlet is centrally positioned in one of the first and the second plate to enable the first fluid to exit the first gap, where first fluid circulates in a swirling flow in the major portion of the first gap. | 2012-07-26 |
20120186795 | Plate Cooler for Fluids - A plate cooler for fluids, in particular hydraulic oil, having a parallelepiped packet of spaced-apart plate elements ( | 2012-07-26 |
20120186796 | HEAT EXCHANGER DEVICE AND USE THEREOF - The invention relates to a heat exchanger device to be introduced, along a longitudinal direction L, into a sewage pipeline extending along the longitudinal direction L, with a heat exchanger wall, comprising:—a first wall portion designed to make contact with sewage,—a second wall portion, spaced from the first wall portion, which is designed to make contact with the sewage pipeline, wherein the first wall portion and the second wall portion are arranged in a manner spaced from each other at least in some part(s) such that a heat exchanger chamber is formed between the first wall portion and the second wall portion, and—a third wall portion connecting the first wall portion and the second wall portion, the third wall portion at least in some part(s) forming a first supply line that can be flown through by a heat exchange medium, wherein the heat exchanger chamber is hydraulically connected to the first supply line via a first connection region,—a fourth wall portion connecting the first wall portion and the second wall portion, the fourth wall portion at least in some part(s) forming a second supply line that can be flown through by a heat exchange medium, wherein the heat exchanger chamber is hydraulically connected to the second supply line via a second connection region, and to a use thereof. | 2012-07-26 |
20120186797 | MOTOR WATER-COOLING STRUCTURE AND MANUFACTURING METHOD THEREOF - A motor water-cooling structure and a manufacturing method thereof are disclosed. The motor water-cooling structure includes a motor case having a wall portion and a tube. The tube is embedded in the wall portion to serve as a flow passage. To manufacture the motor water-cooling structure, the tube is positioned in a mold cavity of a mold, and the motor case is formed in the mold by pour molding to embed the tube therein, so that the motor case and the tube form an integral body. With the manufacturing method, the motor water-cooling structure can be formed with reduced material, labor and time to save the manufacturing costs, and the risk of water leakage can be avoided. | 2012-07-26 |
20120186798 | COOLING MODULE FOR LED LAMP - A cooling module for an LED lamp includes a thermostatic plate, a hollow column, and a plurality of cooling fins. The thermostatic plate has an evaporating segment and a pair of condensing segments extending from the evaporating segment. The outer surface of the hollow column has a pair of grooves corresponding to each other. The condensing segments of the thermostatic plate are buried in the grooves. The cooling fins surround and thermally contact the outer rim of the hollow column and the condensing segments. | 2012-07-26 |
20120186799 | Laminating Heat Sink Having Enhanced Heat Dissipation Capacity - A laminating heat sink includes a first heatsink plate, at least one second heatsink plate overlapping the first heatsink plate, and a plurality of fixing bars each extended through the first heatsink plate and the second heatsink plate to combine and fix the first heatsink plate and the second heatsink plate. The first heatsink plate has a first side combining a heat source and a second side abutting the second heatsink plate. Thus, each of the fixing bars is extended through the first heatsink plate and the second heatsink plate so that the heat produced by the heat source is directly introduced by the fixing bars and is transferred through the first heatsink plate and the second heatsink plate easily and quickly so as to achieve a quick heat dissipation effect. | 2012-07-26 |
20120186800 | HEAT SINK FOR ELECTRONIC DEVICE AND PROCESS FOR PRODUCTION THEREOF - A heat sink for an electronic device includes a Cr—Cu alloy layer including a Cu matrix and more than 30 mass % and not more than 80 mass % of Cr; and Cu layers provided on top and rear surfaces of the Cr—Cu alloy layer. | 2012-07-26 |
20120186801 | Swellable Downhole Packer - A swellable downhole packer ( | 2012-07-26 |
20120186802 | Well Treatment Device, Method, and System - System, devices, and methods are described relating to the treatment (e.g., perforating, fracturing, foam stimulation, acid treatment, cement treatment, etc.) of well-bores (e.g., cased oil and/or gas wells). In at least one example, a method is provided for treatment of a region in a well, the method comprising: positioning, in a well-bore, a packer above the region of the well-bore, fixing, below the region, an expansion packer, treating the region, the treatment fixing the packer, moving the expansion packer, and moving the packer after the moving of the expansion packer. | 2012-07-26 |
20120186803 | Combined Fracturing Outlet and Production Port for a Tubular String - One or more openings in a zone have an adjacent screen assembly that is axially movable to a position away from the port when pressure in the tubing exceeds the annulus pressure by a predetermined value. Upon the differential being reduced below a predetermined value or when annulus pressure exceeds the tubing pressure, the screen moves over the port to block at least some of the solids in the formation or the well fluids from entering the tubing string. The screen movement can be aided by a bias force and the movement can be locked in to prevent the screen that has moved to a position over the port from moving back away from the port. | 2012-07-26 |
20120186804 | Tapered Dog Configuration to Share Stress in a Housing of a Subterranean Tool - A plurality of rows of locking dogs are provided with housing flexibility between rows to allow them to share a shear loading while leaving enough structural integrity in the housing to define the windows through which the dogs emerge. The dogs can also have extensions with a surface that grippingly engages the housing adjacent the window on extension of the dogs such that loads can transfer from the housing into the extension and into the profile in which the dog is disposed rather than passing the shear stress through the window edge into the dog that is in the profile. The dog configuration can also share the load on multiple contact surfaces of the housing to reduce stress at each contact location. | 2012-07-26 |
20120186805 | Lock Mandrel Load Distribution Apparatus - A plurality of rows of locking dogs are provided with housing flexibility between rows to allow them to share a shear loading while leaving enough structural integrity in the housing to define the windows through which the dogs emerge. The dogs can also have extensions with a surface that grippingly engages the housing adjacent the window on extension of the dogs such that loads can transfer from the housing into the extension and into the profile in which the dog is disposed rather than passing the shear stress through the window edge into the dog that is in the profile. The dog configuration can also share the load on multiple contact surfaces of the housing to reduce stress at each contact location. | 2012-07-26 |
20120186806 | Dog with Skirt to Transfer Housing Loads in a Subterranean Tool - A plurality of rows of locking dogs are provided with housing flexibility between rows to allow them to share a shear loading while leaving enough structural integrity in the housing to define the windows through which the dogs emerge. The dogs can also have extensions with a surface that grippingly engages the housing adjacent the window on extension of the dogs such that loads can transfer from the housing into the extension and into the profile in which the dog is disposed rather than passing the shear stress through the window edge into the dog that is in the profile. The dog configuration can also share the load on multiple contact surfaces of the housing to reduce stress at each contact location. | 2012-07-26 |
20120186807 | Multi-Tasking Rod Guide - A multi-tasking downhole rod guide for centralizing a downhole pump rod production tubing within production tubing, while simultaneously reducing abrasion and deterioration of the production tubing and engendering auxiliary pump-boosting functions—with minimal energy consumption. The rod guide is configured with an elongate helix having a continuous trough-like channel through hydrocarbons flow upwardly under high pressure. As the pressurized hydrocarbons flow through a succession of plates at each equidistant helical level, the elongate helix rotates synchronously with the upwardly flowing hydrocarbons within the production tubing string. A multi-tasking downhole rod guide for centralizing downhole production tubing within a well casing, while simultaneously reducing abrasion and deterioration of the tubing and engendering auxiliary pump-boosting functions—with minimal energy consumption. The rod guide is configured with an elongate helix at each equidistant level which rotates in synchronization with the production string. | 2012-07-26 |
20120186808 | Composite Bow Centralizer - A centralizer comprises a first collar, a second collar, a plurality of bow springs coupling the first collar to the second collar, and a plurality of particulates disposed on an outer surface of at least one bow spring. One or more of the first collar, the second collar, and the bow springs comprises a composite material. In some embodiments, the centralizer comprises a third collar, wherein the plurality of bow springs comprise a first portion of bow springs and a second portion of bow springs, and wherein the first portion of the bow springs couple the first collar to the third collar and the second portion of the bow springs couple the second collar to the third collar. | 2012-07-26 |
20120186809 | Downhole 4D Pressure Measurement Apparatus And Method For Permeability Characterization - A method of installing a sensor system for making pressure measurements in downhole formations surrounding a wellbore includes placing a sensor in direct pressure communication with the formations from a predetermined position in the wellbore; and isolating the sensor with an elastomeric sealing means placed against the formation wall in order to prevent hydraulic pressure communication between the sensor and the inside of the wellbore. | 2012-07-26 |
20120186810 | METHOD FOR MOBILITY CONTROL IN OIL-BEARING CARBONATE FORMATIONS - A method for enhancing recovery of oil from an oil-bearing carbonate formation within a reservoir. The method has the steps of (a) introducing a viscous gel under pressure into the oil-bearing carbonate formation and (b) extracting oil. The aqueous viscous gel has water and an amount of a non-polymeric viscosifying surfactant sufficient to provide the flooding fluid with an oil/water interfacial surface tension of about 10 mN/m or less and a viscosity of about 10 cP or more of the one or more non-polymeric surfactants. The one or more non-polymeric, viscosifying surfactants is selected from the group of one or more cationic surfactants, one or more zwitterionic surfactants, one or more anionic surfactants, one or more amphoteric surfactants, and combinations thereof. In a preferred embodiment, the aqueous viscous gel is also substantially free of solids. | 2012-07-26 |
20120186811 | METHODS FOR STIMULATING OIL OR GAS PRODUCTION USING A VISCOSIFIED AQUEOUS FLUID WITH A CHELATING AGENT TO REMOVE CALCIUM CARBONATE AND SIMILAR MATERIALS FROM THE MATRIX OF A FORMATION OR A PROPPANT PACK - A method for treating a portion of a subterranean formation or a proppant pack is provided. In general, the method comprises the steps of: (A) forming or providing a treatment fluid comprising: (i) water; (ii) a chelating agent capable of forming a heterocyclic ring that contains a metal ion attached to at least two nonmetal ions; and (iii) a viscosity-increasing agent; and (B) introducing the treatment fluid into the wellbore under sufficient pressure to force the treatment fluid into the matrix of the formation or the proppant pack. | 2012-07-26 |
20120186812 | MODIFIED CEMENT COMPOSITION, PREPARATION AND APPLICATION THEREOF - Light to ultra-light cement compositions with modified rheological properties. The cement composition includes cement, hydrophobic nano-silica, at least one additive and a sufficient amount of water to make a cement slurry with high compressive strength, low porosity, low free water, and low fluid loss with a quick thickening time. | 2012-07-26 |
20120186813 | METHOD FOR BLOCKING OUTFLOW OF PETROLEUM OR THE LIKE DUE TO DAMAGE TO SUBSEA PETROLEUM WELL STELL PIPE OR THE LIKE - The present invention relates to blocking a flow of crude oil or natural gas from a steel pipe for extracting the oil or the like that has been installed in the sea when the steel pipe is broken. When damage occurs to a steel pipe | 2012-07-26 |
20120186814 | System And Method For Preserving A Hydraulic Packer - A technique facilitates use of a hydraulically actuated packer in a high temperature, downhole environment. The packer is actuated by directing pressurized fluid to the packer and routing the fluid to an actuation region of the packer to provide the force for setting the packer. A thermal isolation member is positioned in the packer along the pressurized fluid flow path and activates upon exposure to heat. Once the thermal isolation member is fully activated, flow is blocked along the pressurized fluid flow path which prevents return flow of pressurized fluid. | 2012-07-26 |
20120186815 | Method and Composition to Prevent Fluid Mixing in Pipe - The present invention is related in general to fluid compositions and methods for servicing subterranean wells. Particularly, the invention relates to the use of a fiber-laden fluid to separate two wellbore-service fluids as they travel through a tubular body, preventing their commingling. The invention obviates the need for mechanical devices such as wiper plugs, or special adjustment of the wellbore-service fluids' rheological properties. | 2012-07-26 |
20120186816 | Single-Assembly System and Method for One-Trip Drilling, Casing, Cementing and Perforating - Disclosed systems and methods provide well creation in a single trip. Some system embodiments include: a casing string having a distal end with a latch assembly; and a drillstring latched within the casing string by the latch assembly, the drillstring having at least one tool for perforation and stimulation. A pressure while drilling tool and one or more packers may be provided in the drillstring to further enable the stimulation operation. Prior to perforation, the casing string is cemented in place via a cement valve, and the drillstring is unlatched and raised to the desired completion position. The perforation and stimulation process can be repeated to provide multiple completions. The drillstring can be removed from the borehole or seated in place to control production. Logging instruments can be included for steering and/or use in making completion decisions. | 2012-07-26 |
20120186817 | MULTI-CYCLE PIPE CUTTER AND RELATED METHODS - A downhole pipe cutting tool includes a tool body having a piston assembly disposed in a central bore thereof, wherein the piston assembly is configured to translate longitudinally along the central axis of the tool body, and a plurality of cutter knife sets. Each of the plurality of cutter knife sets includes at least two individual cutter knives circumferentially spaced about a central axis of the tool body and is configured to selectively engage with the piston assembly to extend outward to perform pipe cutting operation. | 2012-07-26 |
20120186818 | Sucker Rod Coupling and Method of Wear Prevention in Driven Rotation of a Sucker Rod String in Production Tubing - A sucker rod coupling features a coupler unit having internally threaded coupling sections at opposite ends for engaging sucker rod pins and one or two outer members extending about the coupler unit between the ends, each outer member being rotatable about the coupler unit and presenting contact surfaces facing outwardly at positions radially outward therefrom. Each outer member is positioned between a respective end of the coupler and a stop defining feature thereof, and a respective stop element is selectively deployable adjacent the respective end of the coupler on a side of the outer member opposite the stop-defining feature. The outer member prevents wear to the production tubing and the sucker rod string, is easily replaceable through manipulation of the stop element to allow sliding of the member off the unit and sliding of a new member thereon, and directly engages the sucker rods without needing additional threaded components. | 2012-07-26 |
20120186819 | VARYING PORE SIZE IN A WELL SCREEN - A method can include applying a magnetic field to a well screen, thereby varying sizes of pores via which fluid flows through the well screen. A well screen can include a magnetic shape memory material having a dimension which changes in response to application of a magnetic field. Restriction to flow through the well screen can vary in response to the change in dimension of the magnetic shape memory material. | 2012-07-26 |
20120186820 | Modular Backup Fluid Supply System - A system and method to allow backup or alternate fluid flow routes around malfunctioning components using removable, modular component sets. In one exemplary embodiment, an ROV establishes a backup hydraulic flow to a BOP function by attaching one end of a hose to a modular valve block and the other end to an intervention shuttle valve, thus circumventing and isolating malfunctioning components. A compound intervention shuttle valve is provided that comprises first and second primary inlets, first and second secondary inlets, and an outlet. A modular valve block is provided that comprises a directional control valve, a pilot valve, a manifold pressure regulator, a pilot pressure regulator, stab type hydraulic connections and an electrical wet-make connection. | 2012-07-26 |
20120186821 | LOCATION-AND-ROTATION FEEDBACK TOOL FOR SUBSEA WELLHEADS AND METHOD OF OPERATING SAME - A location-and-rotation feedback tool that provides accurate feedback of the location and orientation of a well component during running operations in wells. The feedback tool device is adapted to be secured on a tool stem above a running tool and comprises a body, a circumferentially extending groove, and a hole in the groove that vents to the bore of a blowout preventer. The circumferential groove aligns with a fluid line port in the blowout preventer to provide location feedback via a fluid line pressure. The hole aligns with the fluid line port in the blowout preventer to provide rotation feedback via fluid line pressure. | 2012-07-26 |
20120186822 | MODULAR PRESSURE MANAGEMENT OIL SPILL CONTAINMENT SYSTEM AND METHOD - A modular pressure management oil spill containment system is constructed on the floor of an ocean to contain an oil spill caused by a wild well blowout. A base containment module including a hollow wall and at least one pressure relief valve is submerged below a surface of the ocean, positioned on a portion of the ocean floor that circumvents the wild well and its hollow wall is reinforced. At least one additional containment module including a hollow wall and at least one pressure relief valve is submerged below the ocean surface, positioned on top of the base containment module and its hollow wall is also reinforced. A plurality of riser assemblies are connected between at least a portion of the pressure relief valves of the containment modules and at least one containment vessel. The pressure relief valves are controlled to manage the containment of the oil spill. | 2012-07-26 |
20120186823 | Expanding mill having camming sleeve for extending cutting blade - Downhole cutting tools comprise a mandrel, a housing, a sleeve and a cutting blade. The mandrel comprises an inner wall surface defining a bore, and an outer wall surface. The housing is secured to the outer wall surface of the mandrel and comprises an opening. The sleeve is engaged with the outer wall surface of the mandrel. The sleeve comprises a profile that is operatively associated with a profile of the cutting blade such that movement of the sleeve causes the profile of the piston to slide along the profile of the cutting blade. In so doing, the cutting blade is radially extended outward through the opening in the housing to abrade an object located outside the housing. Movement of the sleeve can be achieved by pumping fluid down a bore in the mandrel to slide the sleeve long the outer wall surface of the mandrel. | 2012-07-26 |
20120186824 | SELECTIVE SLEEVE SYSTEM AND METHOD OF MOVING A SLEEVE - A selective sleeve system includes, a tubular, a sleeve movably disposed at the tubular, and a movable member having at least one dog radially biased and configured to be radially displaceable into a recess. The at least one dog is positionable perimetrically adjacent to at least one tab, subsequent displacement into the recess to radially overlap with the sleeve sufficiently to move the sleeve relative to the tubular upon movement of the movable member relative to the tubular. | 2012-07-26 |
20120186825 | Remote Actuation Testing Tool for High Pressure Differential Downhole Environments - A remote actuation tool equipped with an intermediate volumetric mechanism for enhanced tool durability in high pressure differential downhole environments. Valve segments of the tool are actuated by power available due to a pressure differential between atmospheric and hydrostatic chambers of the tool. Yet, the intermediate volumetric mechanism, whether in the form of a discrete chamber or a hydraulic line system, minimizes stresses of the differential pressure on tool hydraulics. Thus, failure rates are substantially reduced. So, for example, the tool may be reliably employed in downhole environments which present differential pressures in excess of about 30,000 PSI. | 2012-07-26 |
20120186826 | Intermediate Disconnection Tool to Be Placed in A Shuttle Lowered into A Well for Exploiting A Fluid, and Related Shuttle and Method - This tool comprises an upper portion and a lower portion mounted able to move relative to each other between a connected position and a completely disconnected position. | 2012-07-26 |
20120186827 | Drive Head Assembly for a Fluid Conveyor System - The invention disclosed provides a drive head assembly for a fluid conveyor system that propels a fluid entraining conveyor through a well bore to carry fluids to the surface. The invention is comprised of a pair of synchronized follower wheels connected to a set of counter rotating sheaves. A fluid entraining conveyor is wrapped in a “figure-8” conveyor path around the sheaves in a plurality of coaxial grooves and around a distal sheave located in the fluid in the well bore. The coaxial grooves incorporate a unique shape which in conjunction with the wrap pattern provide improved tractive qualities and thus reduce tension in the conveyor and increase the durability of the conveyor. The conveyor can run at increased speeds and with no tension on the downward portion of the conveyor resulting in higher efficiency and less down time due to breakage. | 2012-07-26 |
20120186828 | Composite Bow Centralizer - A method comprising providing a centralizer disposed about a wellbore tubular, wherein the centralizer comprises a first collar, a second collar, a plurality of bow springs coupling the first collar to the second collar, and a plurality of particulates disposed on an outer surface of at least one bow spring, wherein one or more of the first collar, the second collar, and the bow springs comprise a composite material, and placing the wellbore tubular in a wellbore disposed in a subterranean formation. A method comprising providing a centralizer disposed about a wellbore tubular, wherein the wellbore tubular comprises a stop collar, a protrusion, or an upset on either end of the centralizer, and wherein the centralizer comprises three or more collars, a plurality of bow springs comprising a plurality of portions of bow springs, wherein each portion of bow springs couples two adjacent collars, and wherein one or more of the collars and the bow springs comprise a composite material, and placing the wellbore tubular in a wellbore disposed in a subterranean formation. | 2012-07-26 |
20120186829 | Setting Tool - A downhole setting tool is provided. The tool comprises a tool housing and a hollow mandrel, the mandrel being situated in the housing. The tool further comprises a piston situated between the mandrel and the tool housing and a collar situated between the mandrel and the tool housing, wherein the tool housing, the mandrel, the piston and the collar define an annulus. The tool further comprises a first valve, wherein in a closed position the first valve blocks a path of fluid communication between the interior of the mandrel and the annulus. | 2012-07-26 |
20120186830 | PACKER ASSEMBLY - Packer assemblies capable of providing desired load-bearing performance and of being retrieved from a bore in a subterranean formation are described. A packer assembly can include a wedge that can respond to a force in a downhole direction by un-supporting the slip. The unsupported slip is configured to disengage from a casing string, allowing the packer assembly to be removed from the bore. The wedge can include a collet to allow the wedge to separate from the slip to prevent slip re-setting. | 2012-07-26 |
20120186831 | DISCHARGE OF FIRE EXTINGUISHING AGENT - Apparatus for rapid discharge of one or more fire extinguishing agent(s). The apparatus includes a sealed container forming an interior volume in communication with a rapidly opening valve assembly. The interior volume contains fire extinguishing agent(s), super-pressurised by a gas such as nitrogen. A portion of the nitrogen is dissolved into the fire extinguishing agent(s). When an incident is detected which requires the discharge of the fire extinguishing agent(s) the valve is opened. Opening the valve causes rapid dissolution of the nitrogen from the fire extinguishing agent(s), forming a two-phase mixture (like a foam or mousse) which substantially fills the volume and causing the discharge of fire extinguishing agent(s) from the valve assembly. | 2012-07-26 |
20120186832 | Sprinkler Assembly for Attachment to a Piping System - A sprinkler assembly can utilize an adapter having straight threads and an internal sealing member therein to attach the sprinkler to a piping system. The sprinkler may include tapering threads that engage with the straight threads of the adapter and compress the sealing member therein to form a fluid-tight seal. A sprinkler assembly can utilize a fitting that is attached to an extension member containing the sprinkler. The fitting allows the sprinkler and extension member to be coupled to the piping system with a solvent weld. A sprinkler assembly can utilize an attachment system to couple a sprinkler attached to an extension member to a piping system. The attachment system can include a first fitting attached to the connection member, a second fitting attached to the piping system, and a clamping member to clamp the two fittings together. | 2012-07-26 |
20120186833 | FLAME RESISTANT FIBERGLASS INSULATION, PRODUCTS, AND METHODS - Provided are fiberglass insulations which have a softening point of less than, or no more than, 699° C., and an elevated glass viscosity at the UL 181 test temperature of 774° C. Also provided are insulated products, such as ducts, which have the fiberglass insulations thereon, as well as methods of improving the flame penetration resistance of an insulated product. | 2012-07-26 |
20120186834 | STEEPING LIQUOR USED AS A MEANS OF CONTROLLING THE RISK OF FIRE AND EXPLOSION OF ORGANIC EXTRACTIVE MATERIALS - The invention relates to the use of a concentrated steeping liquor from the starch industry, referred to as corn steep, as a means for controlling the risks of fire caused by self-heating and the risks of explosion of dust caused by the particles and microparticles contained in the inflammable organic materials from the extractive industry, as well as by explosive gases released during the self-heating process during the storage, transport, and/or handling thereof. The concentrated steeping liquor of the invention is diluted with water and mixed with the material to be treated in respective proportions so as to obtain, for an index P up to 315 μm, a percentage of fines at most equal to 6%. | 2012-07-26 |
20120186835 | HYBRID CARGO FIRE-SUPPRESSION AGENT DISTRIBUTION SYSTEM - A hybrid cargo-fire-suppression agent distribution system and method is disclosed. The hybrid cargo-fire-suppression agent distribution system comprises vehicle ducting means operable to distribute at least one fire-suppression agent. Further, preliminary fire-suppression supply source means is coupled to the vehicle ducting means and is operable to provide a high volume flow of a preliminary fire-suppression agent. | 2012-07-26 |
20120186836 | SPARK ARRESTOR FOR PROCESSING RAILROAD RAILS - A spark arrestor for processing railroad rails includes an annular body having an upper end wall provided with a first opening and a lower end wall provided with a second opening. The annular body has a pair of generally aligned, circumferentially offset, downwardly open recesses, each structured to be received over a portion of the railroad rail and each having a first plurality of downwardly extending shield elements, extending downwardly beyond the upper surface of the rail. Lateral surfaces of the annular body disposed between the downwardly open recesses have a plurality of second shield elements extending downwardly therefrom. A cutting torch or heating torch or welding torch receiving opening is provided in the annular body to facilitate insertion of the torch. The upper and lower end wall opening, each preferably having a grid structure to resist outward migration of sparks and flames from the interior of the spark arrestor. | 2012-07-26 |
20120186837 | FIREFIGHTING ATTACHMENT FOR AN EXCAVATOR AND METHOD FOR USING THE SAME - A back hoe attachment for insertion into a burning structure for delivering a water spray, including an elongated hollow tube portion having a tube distal end and a tube proximal end, an elongated blade portion connected to the elongated hollow tube portion and disposed generally parallel to the elongated blade hollow tube portion, a water hose connection interface connected to the tube proximal end, a water diverting portion operationally connected to the tube distal end, and a back hoe connection interface portion operationally connected to the elongated blade member. | 2012-07-26 |
20120186838 | INITIATOR FOR AEROSOL FIRE SUPPRESSION APPARATUS - The present invention relates to an initiator for aerosol fire suppression apparatus, comprising piezoelectric initiation power supply unit ( | 2012-07-26 |
20120186839 | CULTIVATOR - A cultivator includes an operation rod, a handle, a base, and a plurality of claw members. The operation rod has a rotating central axle. The handle is disposed on one end of the operation rod. The base is fixed to another end of the operation rod. The base has non-circle connecting troughs at a circumferential portion thereof. Each of the connecting troughs has vertical connecting surfaces therein. Each claw member has a vertical connecting block and a claw portion. The connecting block has a non-circle cross-section. The connecting block has vertical mating surfaces on outer sides thereof. The connecting block is inserted in the connecting trough. The matching surfaces are vertically engaged with the connecting surfaces and confined by the connecting surfaces. The connecting block is coupled at a predetermined angle. The claw members are disposed in an oblique and curve form. | 2012-07-26 |
20120186840 | POWERED MOBILE MODULE AND ATTACHMENT COMBINATION - Various attachments (different dozer blade arrangements, a gantry crane, large auger) are designed for use with multiple identical powered mobile modules including a main support frame housing an internal combustion engine as a prime mover and being supported on either powered tracks or wheels. The modules can be either equipped with a cab and manned or used without a cab and controlled remotely. One or more of the mobile modules may be equipped with a GPS unit to aid in positioning the associated attachment. | 2012-07-26 |
20120186841 | POWERED MODULE AND ATTACHMENT COMBINATION - Various attachments (different dozer blade arrangements, a gantry crane, large auger) are designed for use with multiple identical powered mobile modules including a main support frame housing an internal combustion engine as a prime mover and being supported on either powered tracks or wheels. The modules can be either equipped with a cab and manned or used without a cab and controlled remotely. One or more of the mobile modules may be equipped with a GPS unit to aid in positioning the associated attachment. | 2012-07-26 |
20120186842 | DRILL HAMMER AND/OR CHIPPING HAMMER DEVICE - A drill hammer and/or a chipper hammer device includes a hammer mechanism having a drive unit and a transmission unit. The transmission unit transmits a drive torque from a motor to the hammer mechanism. The transmission unit includes at least one planetary drive. A drive element of the drive unit is disposed on a transmission element of the planetary drive. | 2012-07-26 |
20120186843 | MOTORIZED WORKING TOOL - A motor unit has a tool for engaging a work piece with a frame unit, which has a gripping element for the handheld operation of the device, wherein a mechanical coupling is provided between the motor unit and frame unit, which encompasses at least one dampening element, in such a way that makes it possible to precisely guide the tool while improving the dampening of vibrations between the motor unit and frame unit. The frame unit has at least one abutting element, against which the motor unit abuts when a working force exerted by the work piece on the tool has a value below a minimum value. | 2012-07-26 |
20120186844 | Power Tool, Particularly a Hand Power Tool, the Housing Parts Thereof Being Connected By Means of Form-Fitting Elements - A power tool, particularly a hand power tool, has a motor housing and a housing cover, in which a brush cover can be removably inserted. Corresponding form-fitting elements are arranged on the motor housing and on the housing cover, said elements being connected to each other in a form-fitting manner in the assembled position. The brush cover is held on the housing cover and/or on the motor housing in a form-fitting manner. | 2012-07-26 |
20120186845 | Conducting path - A conducting path includes a plurality of cables, and a cable clamp for clamping the plurality of cables together. The cable clamp includes a single metal plate molded along a perimeter of the plurality of cables, an attachment flange formed by overlapping both ends of the metal plate, and a cable supporting member for supporting the plurality of cables between the cable supporting member and the metal plate. The cable supporting member includes a coolant passage formed therein for passing a coolant to cool the plurality of cables in a longitudinal direction of the plurality of cables. | 2012-07-26 |
20120186846 | DATA COMMUNICATION CABLE - The subject of the invention is a data communications cable, characterized in that it comprises:
| 2012-07-26 |
20120186847 | SHIELD FOR INSPECTING ELECTRICAL PANELS - An inspection panel comprised of clear polycarbonate sheet, approximating the opening of an electrical power panel, replaces the standard covering, thereby allowing inspection of the wiring and components within the panel. The inspection panel provides protection against an electrical arc or fire, thereby eliminating the need for an inspector to wear protective equipment. The inspection panel may be sized to insert into the box when the standard covering is removed, or the inspection panel may be larger than the panel and be affixed to the panel by fasteners. | 2012-07-26 |
20120186848 | MOLD STRUCTURE FOR LIGHT-EMITTING DIODE PACKAGE - A mold structure for a light-emitting diode (LED) package. The mold structure includes a notch, which is formed at at least an end portion of a package mold, in which a cavity is formed to mount a LED therein. Furthermore, an electrode lead, may be formed at at least an end portion of the package mold and may be closely attached to the package mold, and thus the overall size of a LED package may be reduced. | 2012-07-26 |
20120186849 | ELECTRIC CONNECTION BOX - The invention provides an electric connection box having a novel structure in which a load applied to substrate terminals at the time of insertion and pulling out of electric components is alleviated with a small number of components, while the effective utilization of the printed board is realized. A circuit body is stacked on the printed board with an insulating plate interposed therebetween. The substrate terminals are formed so as to project from a surface of the printed board on the side where the circuit body is stacked at portions which are not covered with the circuit body, and each are formed with a locking portion to be placed on the surface of the printed board at a base portion thereof. On the other hand, pressing portions for pressing the locking portions are integrally formed with the insulating plate. | 2012-07-26 |
20120186850 | Differential signal transmission cable - A differential signal transmission cable has a pair of conductors arranged to be distant from each other and parallel to each other, an insulator covering the pair of conductors, and a shield conductor wound around the insulator. The insulator has an outer periphery shape of a transversal cross section in that a plurality of curved lines with different curvature radiuses are combined. The shield conductor has an inner periphery shape of a transversal cross section in that the plurality of curved lines are combined in accordance with the outer periphery shape of the insulator. | 2012-07-26 |
20120186851 | COMPOSITE CORE CONDUCTORS AND METHOD OF MAKING THE SAME - Electrical cables for the transmission of electricity between power poles or towers with at least one of a cooling feature and a fail safe feature and methods of producing the same. | 2012-07-26 |
20120186852 | Structure of electrolessly palladium and gold plated films and process for making the same, assembled structure of palladium and gold plated films bonded with copper or copper-palladium wire and assembling process therefore - Disclosed is a structure of electrolessly palladium (Pd) and gold (Au) plated films on a bonding pad, comprising a Pd plated layer on the bonding pad; and an Au plated layer on the Pd plated layer. Also disclosed is an assembled structure formed of the electrolessly Pd—Au plated films wire-bonded with a copper (Cu) or Pd—Cu wire to the Au plated layer. In addition, a process for producing the structure of the electrolessly Pd—Au plated films and an assembling process for the assembled structure are disclosed. According to the present invention, the Pd plated layer is used to replace the conventional nickel layer so as to enhance the wire-bonding strength between the Cu or Pd—Cu wire and the bonding pad. | 2012-07-26 |
20120186853 | FOLDING HIGH VOLTAGE INSULATING COLUMN - A device for measuring current and/or voltage in a high voltage wire can be provided in a folding insulator. The mechanically folding insulator device can include a plurality of insulated sections. Pairs of insulated sections are coupled together by a link which allows for mechanical folding of said insulator device. The insulated sections of the folding insulator device have a cavity formed therein which contains an optical fiber surrounded by an insulative material. | 2012-07-26 |
20120186854 | STOP JOINT FOR A SUPERCONDUCTING CABLE - A stop joint for a superconducting cable is provided to maintain superconducting properties by installing the stop joint on a long distance line in which a long distance superconducting cable has to be installed and unitizing a circulation path of a cooling fluid. | 2012-07-26 |
20120186855 | SUBSTRATE OF TOUCH PANEL IN MANUFACTURING AND THE METHOD FOR FORMING THE SAME - A substrate is formed with a plurality of identical positioning indications which cause the coordinate on the upper or lower surfaces of the substrate are identical; the identical positioning indications is selected from one of a plurality of holes formed on an area out of the touch sensing area of the touch panel; a plurality of gaps at edges of the substrate and vertical to the upper or lower main surface of the substrate; positioning indications formed by engraving of laser; and a pair of positioning indications on the upper and lower main surface of the substrate and positioned along a same line vertical to the upper or lower main surface of the substrate; and a combination of above mentioned ways; after manufacturing process, the positioning indications can be removed or not removed. A method for forming the same is also included. | 2012-07-26 |
20120186856 | MULTI-LAYER FLEXIBLE PRINTED CIRCUIT BOARD FOR ELECTRONIC DEVICE - A multi-layer Flexible Printed Circuit Board (FPCB) for an electronic device, in which a plurality of components are provided alternately on a top surface and a bottom surface of a base layer and the components are removed from the other region. The multi-layer FPCB includes a base layer, a first circuit pattern provided on a side region on a top surface of the base layer, a first adhesive layer provided in the first circuit pattern, a second circuit pattern provided on a bottom surface of the base layer and in an other-side region opposite to the side region, a second adhesive layer provided in the second circuit pattern, a first insulating/protecting layer provided on a top surface of the first adhesive layer, and a second insulating/protecting layer provided on a bottom surface of the second adhesive layer. | 2012-07-26 |
20120186857 | METHOD FOR MANUFACTURING WIRING BOARD FOR MOUNTING ELECTRONIC COMPONENT, WIRING BOARD FOR MOUNTING ELECTRONIC COMPONENT, AND METHOD FOR MANUFACTURING WIRING BOARD HAVING AN ELECTRONIC COMPONENT - A method for manufacturing a wiring board for mounting an electronic component, a wiring board for mounting an electronic component, and a method for manufacturing an electronic-component-mounted wiring board are provided. A bonding material paste, which can include solder and an electric insulation material made of a resin, can be placed on chip mount terminal pads and heated to fuse the solder and soften the electric insulation material. Subsequently, the solder is solidified to form solder bumps. Further, the electric insulation material is cured on a surface of each of the solder bumps and a surface of a multilayer board around each of the solder bumps to form an electric insulation surface layer. Accordingly, when a chip is mounted to such wiring boards, the electric insulation surface layer minimizes or eliminates the connection between adjacent solder bumps during re-fusing of the solder. | 2012-07-26 |
20120186858 | FLEXIBLE CIRCUIT BOARD - A flexible circuit board includes a base film which is composed of an aluminum sheet and first protective films formed on the respective surfaces of the aluminum sheet and has a sprocket hole and a device hole, a predetermined conductor pattern which is formed on a surface of the base film, and a second protective film which is composed of aluminum and an electrically insulative film formed on a surface of the aluminum and is formed so as to cover the predetermined conductor pattern. | 2012-07-26 |
20120186859 | WIRING BOARD AND METHOD OF MANUFACTURING THE WIRING BOARD - A wiring board includes: a substrate; first connection electrode portions which are disposed on a surface of the substrate and which are to be connected to individual-electrode connection terminals of an actuator via first bumps; first wires having electrical continuity with the first connection electrode portions; a second connecting electrode portion which is disposed on the surface of the substrate and which is to be connected to the a common-electrode connection terminal of the actuator via a second bump; and a second wire having electrical continuity with the second connection electrode portion. The second connecting electrode portion is located in an edge portion of the substrate. The second wire has a conducive-material absent portion that is located between an edge of the substrate and the second connecting electrode portion. | 2012-07-26 |
20120186860 | CIRCUIT BOARD - A circuit board prevents breakage at a boundary between a rigid region and a flexible region and includes a body including stacked flexible sheets, and rigid regions and a flexible region more flexible than the rigid regions. A circuit is defined by a conductor provided in the body. In the flexible region on a principal surface of the body, grooves are arranged to be in contact with boundaries between the flexible region and the rigid regions and to extend along the boundaries. | 2012-07-26 |
20120186861 | WIRING BOARD WITH BUILT-IN ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING THE SAME - A wiring board with a built-in electronic component includes a substrate having an opening portion and having a first surface and a second surface on the opposite side of the first surface, and an electronic component having a third surface and a fourth surface on the opposite side of the third surface and positioned in the opening portion of the substrate such that the third surface faces the same direction as the first surface of the substrate. The electronic component has a curved surface joining the fourth surface and a side surface of the electronic component, and the opening portion of the substrate has a tapered portion formed by a tapered surface of the substrate joining an inner wall of the opening portion and the first surface and tapering from the first surface toward the second surface. | 2012-07-26 |
20120186862 | CARRIER TAPE FOR TAB-PACKAGE AND MANUFACTURING METHOD THEREOF - The present invention relates to a method for manufacturing a TAB tap. The method includes forming a circuit pattern region having input/output terminal pattern on a base film, and forming an exposing region at a convey region having a sprocket hole for exposing the base film. Accordingly, the present invention provides a TAB tape that improves reliability of a product by fundamentally preventing the generation of metal particles by forming exposing regions that expose a base film through selectively etching and removing a metal layer of a convey region formed at both side of a TAB tape and having a sprocket hole, and that prevents short-circuit by partially removing a base film at a predetermined region not having a circuit pattern formed thereon through etching. | 2012-07-26 |
20120186863 | MULTILAYER WIRING BOARD - A multilayer wiring board including a build-up layer comprising a conductor layer and a resin insulation layer that are alternately layered, conductive pads formed on a surface of a resin insulation layer so as to project from the surface, and a solder layer formed over an upper surface of each of the conductive pads is provided. The upper surface of the conductive pads may have a recess, and the entire surface of the solder layer may be situated at an elevated position with respect to an outer periphery portion of the upper surface. Embodiments make it possible to feed and hold a sufficient amount of solder paste on the upper surface of conductive pads, thereby minimizing or eliminating the occurrence of defective connections to a semiconductor element and damage to the solder layer caused by an insufficient thickness of the solder layer. | 2012-07-26 |
20120186864 | WIRING BOARD AND METHOD FOR MANUFACTURING THE SAME - A wiring board and a method for manufacturing the wiring board reinforced by means of a resin is provided. Embodiments of the wiring board allow for reliable attachment of a connection member, like a socket, to a terminal member. For example, a base of terminal pins is put on pin grid array (PGA) terminal pads, and a bonding material paste including solder and an electric insulation material made of a resin is placed on each of the PGA terminal pads. The bonding material paste is then heated to fuse the solder and soften the electric insulation material. Subsequently, the bonding material paste is cooled to solidify the solder and bond each of the bases to a corresponding PGA terminal pad and form an electric insulation surface layer on an exposed surface of each of solder junctions to which the respective bases are bonded. | 2012-07-26 |
20120186865 | PASTE COMPOSITION AND PRINTED CIRCUIT BOARD - A conductor layer is formed on one surface of a base insulating layer. The conductor layer includes a collector portion, and a drawn-out conductor portion extending in an elongated shape from the collector portion. A cover layer is formed on the base insulating layer to cover a predetermined portion of the conductor layer. A material for the cover layer includes a paste composition containing a compound expressed by the formula (1). | 2012-07-26 |
20120186866 | WIRING BOARD AND METHOD FOR MANUFACTURING THE SAME - A wiring board includes a core substrate having an opening portion and a through hole adjacent to the opening portion, a capacitor positioned in the opening portion, and a through-hole conductor formed in the through hole of the core substrate and having a conductor filling the through hole. The core substrate has a first surface and a second surface on the opposite side of the first surface, the opening portion of the core substrate penetrates from the first surface to the second surface, the through-hole conductor has a first conductive portion and a second conductive portion connected to the first conductive portion in the core substrate, the first conductive portion of the through-hole conductor becomes narrower from the first surface toward the second surface, and the second conductive portion of the through-hole conductor becomes narrower from the second surface toward the first surface. | 2012-07-26 |
20120186867 | MULTI-LAYER PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING MULTI-LAYER PRINTED CIRCUIT BOARD - A multi-layer printed circuit board including a first insulating layer, a first conductor layer having circuits on one surface of the first insulating layer, a second conductor layer having circuits on the opposite surface of the first insulating layer, a second insulating layer on the second conductor and first insulating layers, and a third conductor layer having circuits on the second insulating layer on the opposite side of the second conductor layer. The first and second insulating layers have first and second via holes formed in openings of the first and second insulating layers and made of conductive materials filling the openings such that circuits in the first and third conductor layers are connected to one or more circuits in the second conductor layer, and the first and second via holes have bottom ends facing the second conductor layer and top ends larger than the bottom ends. | 2012-07-26 |
20120186868 | PRINTED WIRING BOARD AND METHOD FOR MANUFACTURING THE SAME - A wiring board having a penetrating hole formed by forming holes with different shapes from both surfaces of a substrate. In such a penetrating hole, the depth of a first opening portion formed in the first-surface side of the substrate is shallower than the depth of a second opening portion formed in the second-surface side, and the diameter of a first opening is greater than the diameter of a second opening. Even if the gravity line of the first opening portion and the gravity line of the second opening portion are shifted from each other, the region of the second opening portion inserted into the inner space of the first opening portion may be made larger. | 2012-07-26 |
20120186869 | METHOD OF BLOCKING ELECTRO-MAGNETIC INTERFERENCE (EMI) IN AN ELECTRIC MACHINE AND APPARATUS - A method of blocking electro-magnetic interference (EMI) in an electric machine having a housing including an interior portion, an opening leading to the interior portion, and an enclosure positioned about the opening, includes positioning an EMI blocking member in the enclosure across the opening. The EMI blocking member includes an insulating layer having a first surface and a second surface. An EMI shield member is positioned on one of the first and second surfaces. The EMI shield member includes a surface formed from an electrically conductive material that substantially covers the one of the first and second surfaces. The EMI shield member is grounded to the housing. The EMI shield member is configured and disposed to block EMI release from the housing via the enclosure. | 2012-07-26 |
20120186870 | ELECTROMAGNETIC RADIATION ATTENUATING LAMINAR MESH - The present invention relates to a laminar mesh that attenuates electromagnetic radiation, designed to be preferably applied in buildings in order to protect certain architectural areas or parts against electromagnetic waves, characterised in that it is made by attaching to each other a textile mesh ( | 2012-07-26 |
20120186871 | Adjustable electrical box - An adjustable electrical box includes a box element having an enclosure with a box perimeter wall, a back wall and a front opening, a box extender telescopically received in the box opening, the box extender having a tubular body with an extender perimeter wall, an open front, an open back, and a lateral outward flange connected to a portion of the open front and extending a distance no greater than to the perimeter of the box element, and a first stop member pivotally connected to the lateral outward flange where the first stop member pivots between a first non-engaging position and a second surface-engaging position. | 2012-07-26 |
20120186872 | TERMINAL BLOCK AND TERMINAL BLOCK MANUFACTURING METHOD - A terminal block has conductors extending from devices placed one over another placed on nuts ( | 2012-07-26 |
20120186873 | WELL DRILLING METHOD UTILIZING REAL TIME RESPONSE TO AHEAD OF BIT MEASUREMENTS - A well drilling method utilizing real time response to ahead of bit measurements. A well drilling method includes measuring a property of a portion of the earth prior to drilling a wellbore into the earth portion; and varying a drilling parameter in real time while drilling the wellbore, in response to measuring the property. | 2012-07-26 |
20120186874 | DOWNHOLE SAND CONTROL APPARATUS AND METHOD WITH TOOL POSITION SENSOR - Systems and methods for monitoring a position of a service tool in a wellbore are provided. The service tool can have a sensor assembly coupled thereto and be positioned within the wellbore. The service tool can be moved within the wellbore. The distance travelled by the service tool in the wellbore can be measured with the sensor assembly. The position of the service tool in the wellbore can be determined by comparing the distance travelled to a stationary reference point. | 2012-07-26 |
20120186875 | Hydraulic Drilling Method with Penetration Control - A system and method for hydraulic drilling is provided. A whipstock having a bore can be sealingly engaged at a distal end of a workstring. A drilling apparatus having drill tubing and a flow through device for routing drilling fluid into the drill tubing can be connected to the end of a connection string and inserted down into the work string so that the drill tubing extends through the bore in the whipstock device. Pressurized drilling fluid can then be inserted into the annulus formed between the work string and the connection string so that the pressurized drilling fluid passes through the flow through device into the drilling tube and is discharged out the distal end of the drilling tube as a cutting jet. | 2012-07-26 |
20120186876 | CORE DRILL BIT - An abrasive drill bit includes: a hollow tubular body having a rotation axis and being configured to be rotated by a drill about the rotation axis; and a plurality of teeth disposed around the periphery of a distal end of the tubular body and extending distally from the tubular body, each of the plurality of teeth supporting a drilling abrasive, wherein the distal extension of the teeth relative to each other varies cyclically along the periphery of the distal end of the tubular portion such that when the drill bit is rotated about the rotation axis and advanced along the rotation axis into a surface of a drilled material, at least one distal-most tooth maintains contact with the surface and at least one least distally extending tooth does not contact the surface. | 2012-07-26 |
20120186877 | Modified Cellulosic Polymer for Improved Well Bore Fluids - In one embodiment, the invention provides a method comprising: providing a drilling fluid, completion fluid, or workover fluid comprising an aqueous base fluid and a nonionic cellulose ether polymer having hydroxyethyl groups and being further substituted with one or more hydrophobic substituents, and placing the drilling fluid, completion fluid, or workover fluid in a subterranean formation. | 2012-07-26 |
20120186878 | DOWNHOLE TOOL - A downhole tool including a fluid-actuated piston and a motor-driven valve. The fluid-actuated piston is operatively associated with a reciprocating mass. The motor-driven valve is configured to supply actuating fluid sequentially to drive the piston downwards and upwards. | 2012-07-26 |
20120186879 | Drill Bit Having Enhanced Stabilization Features and Method of Use Thereof - A drill bit for drilling a borehole in earthen formations comprising a bit body having a bit axis and a bit face. In addition, the drill bit comprises a primary blade extending radially along the bit face, the primary blade including a cutter-supporting surface that defines a blade profile in rotated profile view extending from the bit axis to an outer radius of the bit body. The blade profile is continuously contoured and includes a plurality of concave regions. Further, the drill bit comprises a plurality of cutter elements mounted to the cutter-supporting surface of the primary blade. Each cutter element on the primary blade has a forward-facing cutting face with a cutting edge adapted to penetrate and shear the earthen formation. | 2012-07-26 |
20120186880 | Invert Emulsion Fluids With High Internal Phase Concentration - An invert emulsion wellbore fluid may include an oleaginous external phase; a non-oleaginous internal phase, wherein a ratio of the oleaginous external phase and non-oleaginous internal phase is less than 50:50; and an emulsifier stabilizing the oleaginous external phase and the non-oleaginous internal phase, wherein an average diameter of the non-oleaginous internal phase ranges from 0.5 to 5 microns. | 2012-07-26 |
20120186881 | DRILLING FLUID RECOVERY WHEN DRILLING UNDER AN OBSTACLE OR WATER BODY - A system for recovering drilling mud in drilling an underground arcuate path around at least a portion of an obstacle has a conductor casing, a drill pipe surrounded by the conductor casing for at least a portion of an axial length of the drill pipe, a flow line connected to the conductor casing at a downhole position, and a pump coupled to the flow line placed at another downhole position. A volume of drilling mud within the underground arcuate path is pumped from the underground arcuate path to the surface and recovered for recirculation. | 2012-07-26 |
20120186882 | EARTH DRILLING MACHINE - A machine for the drilling of the ground includes a guide tower ( | 2012-07-26 |
20120186883 | DRILL BIT ASSEMBLY FOR FLUID-OPERATED PERCUSSION DRILL TOOLS - The present invention relates to a drill bit assembly for fluid-operated percussion drill tools comprising a percussion bit ( | 2012-07-26 |
20120186884 | POLYCRYSTALLINE COMPACTS HAVING DIFFERING REGIONS THEREIN, CUTTING ELEMENTS AND EARTH-BORING TOOLS INCLUDING SUCH COMPACTS, AND METHODS OF FORMING SUCH COMPACTS - Polycrystalline compacts include a hard polycrystalline material comprising first and second regions. The first region comprises a first plurality of grains of hard material having a first average grain size, and a second plurality of grains of hard material having a second average grain size smaller than the first average grain size. The first region comprises catalyst material disposed in interstitial spaces between inter-bonded grains of hard material. Such interstitial spaces between grains of the hard material in the second region are at least substantially free of catalyst material. In some embodiments, the first region comprises a plurality of nanograins of the hard material. Cutting elements and earth-boring tools include such polycrystalline compacts. Methods of forming such polycrystalline compacts include removing catalyst material from interstitial spaces within a second region of a polycrystalline compact without entirely removing catalyst material from interstitial spaces within a first region of the compact. | 2012-07-26 |
20120186885 | POLYCRYSTALLINE COMPACTS HAVING DIFFERING REGIONS THEREIN, CUTTING ELEMENTS AND EARTH-BORING TOOLS INCLUDING SUCH COMPACTS, AND METHODS OF FORMING SUCH COMPACTS - Polycrystalline compacts include a hard polycrystalline material comprising first and second regions. The first region comprises a first plurality of grains of hard material having a first average grain size, and a second plurality of grains of hard material having a second average grain size smaller than the first average grain size. The first region comprises catalyst material disposed in interstitial spaces between inter-bonded grains of hard material. Such interstitial spaces between grains of the hard material in the second region are at least substantially free of catalyst material. In some embodiments, the first region comprises a plurality of nanograins of the hard material. Cutting elements and earth-boring tools include such polycrystalline compacts. Methods of forming such polycrystalline compacts include removing catalyst material from interstitial spaces within a second region of a polycrystalline compact without entirely removing catalyst material from interstitial spaces within a first region of the compact. | 2012-07-26 |
20120186886 | MECHANICAL WORKS SAMPLING SYSTEM FOR THE OPERATION OF ARTICULATED EXTENSIONS IN VEHICULAR APPLICATIONS - A mechanical work sampling system ( | 2012-07-26 |
20120186887 | ELECTRIC RIDING MOWER - An electric riding mower efficiently cooling a motor driver with a simple configuration is provided. Provided are two running motors | 2012-07-26 |
20120186888 | Multiple Induction Electric Motor and Vehicle - A novel multiple induction electric motor and vehicle that stores electrical power; provides a first and second direct current power input from the stored electrical power; separately produces first and second synchronized variable frequency alternating current control signal from the first and second direct current power inputs, respectively; produces first and second synchronized rotating magnetic fields responsive to the first and second variable frequency alternating current control signals, respectively; induces a first induced magnetic field around a conductor in a first inductive rotor responsive to the first rotating magnetic field; induces a second induced magnetic field around a conductor in a second inductive rotor responsive to the second rotating magnetic field; applies first and second rotational forces between the first and second rotating magnetic fields and the first and second induced magnetic fields to the shaft; and transmits the first and second rotational forces to a drive wheel. | 2012-07-26 |