20th week of 2009 patent applcation highlights part 35 |
Patent application number | Title | Published |
20090123227 | DUAL LIFTING MANHOLE COVER - A one-piece, unitary manhole cover has dual lifting ports that drain through the outer circumferential edge of the cover. A lifting channel runs from the interior of the upper face out to the outer circumferential edge. A lifting bar spans the lifting channel and defines an ergo lifting port and a pry bar lifting port. Both the ergo lifting port and the pry bar lifting port drain through the outer circumference of the manhole cover. | 2009-05-14 |
20090123228 | CABLED MAT SYSTEM WITH REMOVABLE BLOCKS - A mat system includes a surface and at least first and second mat units. Each mat unit includes a respective plurality of blocks interlinked by respective cables that pass through the blocks. Each mat unit includes cable loops along at least one side section thereof. The first and second mat units are positioned on the surface in proximity to each other with cable loops of the first mat unit extending toward the second mat unit and cable loops of the second mat unit extending toward the first mat unit. A plurality of interconnecting blocks are positioned between the first mat unit and the second mat unit. Each interconnecting block includes an underside with downwardly open channels formed therein. The cable loops of the first and second mat units are positioned within the channels of the interconnecting blocks to cover the cable loops. The interconnecting blocks and the blocks forming the first and second mat units are sized, shaped and positioned such that upper surfaces thereof form a substantially continuous surface. | 2009-05-14 |
20090123229 | APPARATUS FOR SCREEDING UNCURED CONCRETE SURFACES - A wheeled screeding device includes a wheeled support having a frame portion supported by at least one wheel, with the at least one wheel defining an axis of rotation. A screed head is mounted to the frame portion and is balanced such that the screed head is at least partially supportable on an uncured concrete surface. The screed head is adapted to impart a force onto the uncured concrete surface. An adjustment device may be operable to adjust a balance of the wheeled support about the axis of rotation to adjust the force imparted by the screed head. The screed head may be pivotable about an axis generally normal to the axis of rotation of the wheel and relative to the at least one wheel to adjust an angle of the screed head relative to the axis of rotation of the wheel. | 2009-05-14 |
20090123230 | Process for the Production of a Frame for Construction and Frame Thus Obtained - A process for the production of a frame for a construction adapted to float includes the steps consisting in: forming a flotation element ( | 2009-05-14 |
20090123231 | DUMP ELEMENT, METHOD FOR FORMING A SPATIAL STRUCTURE FROM DUMP ELEMENTS, AS WELL AS SPATIAL STRUCTURE FORMED FROM DUMP ELEMENTS - Dump element for forming a spatial structure ( | 2009-05-14 |
20090123232 | Drainage element with a periphery of different materials - The drainage element is made with a periphery formed of a filter material that allows the passage of water and prevents the passage of soil and a second peripheral section of net material that allows the passage of water while the preventing the passage of the lightweight aggregate therein. The filter material is preferably made of spun bonded polyester and may be made of a biodegradable material such as starch. | 2009-05-14 |
20090123233 | Magnetic connector for spill boom - A magnetic connector assembly for attaching spill boom to an otherwise featureless coated steel surface comprises a flexible plate having a front side and a back side, at least one magnet mounted to the plate to assert a magnetic field over the back side of the plate, and a connector for the boom mounted to the front side of the plate. The at least one magnet is sized to retain the magnetic connector assembly in a fixed position on a vertically positioned ferromagnetic wall with a force requiring at least 5 pounds to break. | 2009-05-14 |
20090123234 | Systems and Methods for Pipe Replacement - Systems and methods for concurrently destroying old pipes and installing new pipes in their place. An exemplary embodiment is a pipe bursting and replacement tool that includes a body and first and second connectors. The body has a shape that generally tapers from a smaller diameter at the front end to a larger diameter at the rear end. The taper need not be smoothly increasing, but may alternatively be stepped. The first connector couples the body to a pulling rod to and allows the body to be misaligned with the rod to relieve stress on the connection between the two. The second connector couples the replacement pipe to the body so that the replacement pipe can be pulled behind the body into the space previously occupied by an old pipe that is burst by the tool. | 2009-05-14 |
20090123235 | OUTER PIPE SLEEVE FOR A SEA FLOOR MOORING PILE - The present disclosure provides an improved system and method for increasing an anchoring force on a pile. The concepts regarding the pile can apply whether the pile is degraded and no longer able to support its intended load, or a load on the pile has increased to a level that may overstress the pile. A sleeve can be installed even in subsea conditions over the pile and can be used to provide an additional securing force to the existing pile. The sleeve may include its own padeye for coupling an anchor line or other coupling member to a structure to be secured. The sleeve may also include an assembly of rings coupled together with at least one longitudinal member. The assembly with the rings spaced a distance away from each other may help reduce an installation friction on the sleeve, as it is installed into the sea floor. | 2009-05-14 |
20090123236 | Driver for and method of installing foundation elements and a kit of parts for assembling a driver - The invention pertains to a driver ( | 2009-05-14 |
20090123237 | ARRANGEMENT OF SHEET-PILE COMPONENTS - An arrangement of sheet-pile wall components includes two sheet-pile wall sections. The ends of the two sheet-pile wall sections are arranged. Their locks are hooked into two lock profiles of a connecting profile which is hooked via a third lock profile into the lock of an anchorage. The respective other ends of the sheet-pile wall sections are secured such that each of the two sheet-pile wall sections partially encloses a region. At least one of the lock profiles and the lock of the sheet-pile wall component of the anchorage in engagement therewith are configured in such a way that the lock profile of the connecting profile and the lock in engagement therewith are hooked one inside the other and grip around one another. As viewed in cross section, they bear on one another and are supported against one another by at least three points in at least one installed position. | 2009-05-14 |
20090123238 | Stabilizing Strip Intended for Use in Reinforced Earth Structures - Stabilizing strip ( | 2009-05-14 |
20090123239 | CUTTING APPARATUS WITH VIBRATOR - An exemplary cutting apparatus for cutting a workpiece includes a base, a cutting device and a first driving device. The cutting device is movably mounted on the base. The cutting device includes a first blade and a first vibrator. The first blade is movable in a moving direction toward the workpiece. The first vibrator is configured for vibrating the first blade to increase a shearing force applied to the workpiece. The first driving device is configured for driving the first blade to move. | 2009-05-14 |
20090123240 | TOOL HOLDER, DRILL HOLDER, REAMER HOLDER, AND MILLING CUTTER HOLDER - A tool holder, drill holder, reamer holder, and milling cutter holder. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72( | 2009-05-14 |
20090123241 | Tool for machining boreholes - A tool for machining borehole surfaces, includes
| 2009-05-14 |
20090123242 | Cutting Insert - The invention relates to a cutting insert for clamping into a disc-type or strip-shaped tool body, in particular, for milling crankshafts, whereby said insert is substantially cuboid-shaped and has two front faces, the distance between which defines the width ( | 2009-05-14 |
20090123243 | METHOD FOR FORMING THROUGH-HOLE - The present invention provides a means capable of preventing generation of a spiral mark on an inner circumferential face of a through-hole and obtaining a superior appearance and high working accuracy when the hole is formed on a work material by a drill head provided with a brazed-type cutting blade. | 2009-05-14 |
20090123244 | Machine Tool - The invention relates to a machine tool, particularly a machine reamer, comprising a shaft-type base and a replaceable cutter head which frontally protrudes from the base. An axially protruding extension of said cutter head engages into a frontal receptacle that is fixed to the base, the cutter head being removably clamped in said receptacle by means of a clamping screw which penetrates the replaceable cutter head in a truly axial direction. The screw head of the clamping screw rests against a face of the replaceable cutter head. The extension of the replaceable cutter head is provided with a polygonal part which is complementary to a truly axial polygonal hole that is fixed to the base and is penetrated by the polygonal part. The extension is further provided with an externally conical part which adjoins the polygonal part, engages into a conical hole that is fixed to the base, and is complementary to said conical hole while the clamping screw is screwed into a central internal thread that is fixed to the base. Preferably, the base is equipped with a functional insert which is rigidly connected to the base and contains the internal thread, the polygonal hole, and/or the conical hole. | 2009-05-14 |
20090123245 | Multi-spindle machining center - A multi-spindle machining center for the chip forming processing of workpieces comprises a spindle group having at least two spindles arranged in a spindle row adjacent to each other to mount a chip forming tool, and a workpiece support, on which at least two workpiece holders, correlated with the geometrical arrangement of the spindles, for holding workpieces for a simultaneous processing by means of the spindles, are arranged, the workpiece support having a beam-like longitudinal support member bearing the workpiece supports, and the spindles are guided for a movement toward the workpiece support in a first axial direction on a spindle linear guide arrangement. In the multi-spindle machining center there is a provision such that for positioning the workpieces in relation to the spindles workpiece support is guided on a workpiece support linear guide arrangement in a second axial direction running athwart the first axial direction and wherein the workpiece support is able to be shifted on the workpiece support linear guide arrangement in a servicing area arranged above or below the a working region of the spindles | 2009-05-14 |
20090123246 | MACHINE TOOL WITH TURNABLE MOVABLE SECTION - A moving section of a parallel mechanism is fed having two freedoms. A first moving section base is screw-engaged with a first feed screw shaft, and a second moving section base is screw-engaged with a second feed screw shaft. A spindle head is pivotably connected by a support shaft to the first moving section base. A coupling shaft at an extreme end of an extension lever extending downward from the spindle head is rotatably coupled to a guided piece on a slant linear guide provided on the second moving section base and is coupled to the second moving section base. Thereby, a tilt function maintaining advantages of a tandem drive and being high in rigidity is realized without increasing control axes beyond the number of axes corresponding to tandem axes. | 2009-05-14 |
20090123247 | Ultra high pressure machining spindle - A system and technique wherein an ultra high-pressure (UHP) stream of water passing through a calibrated orifice achieves high water velocity. The orifice would be made from an extremely hard material such as sapphire or diamond. This high velocity stream impacts on a driving fluid turbine impeller attached to a shaft forming an opposed high-speed tool, which results in very high rotational speed with very high available power to do work. Off/On Control of the system would be accomplished through an integrated ultra high-pressure valve system. | 2009-05-14 |
20090123248 | Pickup Truck Window, Bed, and Cab Protector - A pickup truck cab, rear window, and bed protector, referred to herein as a “cab and bed protector,” particularly suitable when transporting four wheelers or all terrain vehicles (ATVs) in the bed of a pickup truck. In a presently preferred embodiment, the cab and bed protector can be mounted in the bed of a variety of pickup truck models and is easily removable. The present invention serves as a shield to arrest the forward movement of the ATV during sudden stops, to prevent damage to the truck bed, cab, and/or rear window, and protect the passengers from harm. The preferred embodiment incorporates a plate fixed to a frame to transfer forces imposed on the plate by the ATV to the front wall of the truck bed, preventing damage to either the truck or the ATV. | 2009-05-14 |
20090123249 | ON-VEHICLE STRETCHER AND LITTER - A stretcher fixture installed on the floor surface of the cargo bed of an ambulance or the like to fix a stretcher on the cargo bed of the ambulance or the like, characterized by having a front hook which is mounted on the front floor surface of the cargo bed of an ambulance or the like to fix the front part of the stretcher; and a lock plate which is installed on the rear floor surface and has a lock piece engaging with a lock supporter installed in the rear part of the stretcher. | 2009-05-14 |
20090123250 | Container securement device - A container securement device enables a user to secure a cargo container to a carrier deck. The device includes a base having a projecting shear block received in the lock-actuating opening of the container. A shaft-mounted head rotates between an unlocked or loading position in which the head moves through the locking opening and a locked position in which the container is secured. Automatic entry and release are provided by a selected interchangeable spring element within the base biasing the head to the locked position but permitting movement to the unlocked position when torque is applied by engagement of the container with a cam surface on the head. The spring element may be interchanged as may be required by anticipated climactic and/or temperature conditions. Each spring element is actuable by a uniquely configured shaft member having a spring-receiving end capable of cooperating with at least two types of springs. | 2009-05-14 |
20090123251 | Powder-actuated mechanical lock concrete anchor - A powder-actuated mechanical lock concrete anchor, wherein the lower end portion of the concrete anchor is adapted to be disposed within the lower end portion of a blind bore drilled within a concrete substrate, and wherein a powder-actuated mechanical locking device is located within the lower end portion of the concrete anchor such that when the powder-actuated mechanism of the powder-actuated mechanical locking device is in fact actuated, either electrically or mechanically, the mechanical locking device will effectively be expanded radially outwardly so as to be lockingly engaged within lower side wall portions of the concrete substrate so as to in fact mechanically lock the concrete anchor within the blind bore drilled within the concrete substrate. | 2009-05-14 |
20090123252 | Power Seal Bolt Assembly - A power seal bolt assembly includes a bolt having a head and a shaft having an unthreaded shaft portion and a threaded portion. A washer is fixed to the bolt proximate to the head. A compressible washer retainer frictionally engages the unthreaded shaft portion and contacts the head. The compressible washer retainer includes a retainer portion having flexible legs extending inwardly into a washer retainer through aperture. The flexible legs flex to frictionally engage the retainer portion to the unthreaded shaft portion. A compressible washer portion homogenously connected to the retainer portion is oriented to contact the washer when a bolt torque is applied. The compressible washer portion includes at least one raised ring contacting the washer to create a fluid seal at the washer; and at least one partial cavity permitting the compression washer portion to axially compress upon application of the torque. | 2009-05-14 |
20090123253 | Countersunk head screw - The invention relates to a countersunk head screw comprising a cylindrical shaft ( | 2009-05-14 |
20090123254 | Process and arrangement for covering a flat blank with a cover - A process and an arrangement for covering a flat-lying blank, preferably made of cardboard with a cover, in particular applicable in the production of book covers is described. The covering takes place in cycles in a number of working stations, whereby an overall cycle time can be given to each working station in advance. Each working station comprises at least one working means, to which at least one sub-cycle time is assigned. It is provided that in the case of a constant remaining overall cycle time, at least one sub-cycle time assigned to the working means of a procedural step is adapted to the processed materials. The present invention is in particular applicable when at least one edge of a cover applied to a blank is folded over. The folding over of the edge takes place thereby in a folding station within the pre-set overall cycle time. Within one cycle, at least the following procedural steps are carried out: “transport”, in which the blank with the cover is transported into the folding station, “preparing”, in which at least one folding means is placed to the edge of the cover, and “folding and pressing”, in which the folding means folds over the edge of the cover and presses it onto the blank. It can in particular be provided that the ratio of the sub-cycle time “folding and pressing”, assigned to the folding means to the overall cycle time is variable. | 2009-05-14 |
20090123255 | CANISTER TRANSFER SYSTEM WITH INDEPENDENT TRAVELING SHIELDED BELL - A transfer system for spent fuel canisters includes a carrier, a shielded bell trolley movable along the carrier and carrying a shielded bell, and a canister trolley movable along the carrier and carrying a lifting mechanism for raising and lowering the spent fuel canister into and out of the shielded bell. The canister trolley can move along the carrier independent of the shielded bell trolley and the shielded bell trolley can move along the carrier independent of the canister trolley. The shielded bell trolley and the canister trolley can be selectively interlocked for selected transfer operations. | 2009-05-14 |
20090123256 | ELEVATOR LINEAR MOTOR DRIVE - Disclosed is a substrate processing system with a magnetic conduit configuration to improve the movement of a substrate carrier within the system. The configuration specifically provides for safe, secure movement of a carrier between multiple levels of a substrate processing system by using magnetic conduits to redirect magnetic forces created by a linear motor, permitting the linear motor to be positioned outside of the system and in a location that will not interfere with the movement of the carrier. | 2009-05-14 |
20090123257 | WAFFLE PACK - An arrangement is described that includes a compartmentalized structure having a multiplicity of compartments defined by associated links and each having a bottom surface. The arrangement also includes a multiplicity of fiducials. The fiducials are positioned at top surfaces of the links that surround each compartment such that each compartment includes at least one associated fiducial at the top surface of an adjacent link that defines the compartment. The arrangement further includes an adhesive layer positioned on the bottom surface of each compartment. The at least one fiducial that surrounds each compartment is suitable for use by a vision system to identify the location of the associated compartment. | 2009-05-14 |
20090123258 | Tire lifting and mounting tool - The present invention, a tire mounting device, is a lifting and transporting device for the facilitating the removing and replacing of a tire. The tire mounting device comprises a cross assembly, handle assembly, left fork assembly, and right fork assembly. The handle assembly is perpendicularly rigidly attached to the cross assembly. The left fork assembly and right fork assembly are rigidly attached to opposing ends of cross assembly which extends horizontally. An obtuse angle is disposed in an intermediate position with each fork assembly. Tire supports the underside of each fork assembly to allow for the transporting the tire upon the tire mounting device. | 2009-05-14 |
20090123259 | Removable vehicle transport rack - A removable vehicle transport rack that attaches to a pickup or similar transport vehicle and provides the user with a means to transport or haul small vehicles like an all-terrain vehicle (ATV) or motorcycle. The rack uses a stinger extending from the transport vehicle hitch and then a removable deck that has pivoting center member which allows the deck to fold and unfold and thereby allowing ATVs or motorcycles to go up or down the deck's tracks. The tracks pivot or unfold to load ATVs and then fold, partially, once the ATV is in place and is secured. The user is able to take advantage of the extra length to load additional ATVs or other material where in the past one ATVs would occupy the whole of the transport vehicle's bed. | 2009-05-14 |
20090123260 | Tilting bed trailer - A cradle has wheels and suspension system and channels or raceways and blocks or a brake for maintaining the cradle in a stationary position relative to the ground during loading and unloading. A load bed with top loading ramps and a bottom pair of wedge slide ramps rides on the raceways pushed and pulled by a tow arm from a towing vehicle. The wedge slide ramps provide a vertical cam action gradually elevating a forward end of the load bed as the wedges move onto the raceways for tilting the load bed so that the back end of the loading ramps tilt down to contact the ground for loading. | 2009-05-14 |
20090123261 | SYNCHRONIZED UNLOADING SYSTEM AND METHOD FOR A COTTON HARVESTER WITH ON-BOARD MODULE BUILDER - A procedure and system for unloading a compacted cotton module from an on-board module builder of a cotton harvester, which in an automatic mode utilizes a controller to automatically monitor ground speed and operate unloading apparatus at a synchronized ratio to ground speed, for maintaining integrity and shape of the module, and which is quickly and easily switchable between the automatic mode and a manual mode that allows an operator to position and operate the unloading apparatus independent of ground speed for purposes such as placing the module at a precise location such as next to an already unloaded module or the like. | 2009-05-14 |
20090123262 | Auger For A Grain Cart - A high-throughput auger includes a receiving end auger portion that has a first shaft. The receiving end auger portion also includes a first screw having a first pitch and a first diameter, and a first housing portion of a second diameter. The auger also includes a main auger portion coupled to a discharge end of the receiving end auger portion. The main auger portion includes a second shaft, a second screw having a second pitch and a third diameter, and a second housing of a fourth diameter. The first diameter is greater than the third diameter and the second pitch is greater than the first pitch. | 2009-05-14 |
20090123263 | Apparatus For Inverting Heavy Loads and Method Of Using Same - An apparatus is provided for inverting heavy objects, the apparatus including: a retaining assembly, including two opposing retaining members each having rotational pins extending from the ends thereof, the rotational pins all reside together in a cross plane extending parallel with a longitudinal axis of the retaining assembly, and the retaining members are spaced apart a consistent distance, a base member, including two open double bearing components positioned at opposite ends of the base member, each open double bearing component including two side-by-side troughs, and a securing member, operable to lock the retaining assembly into a secure position with respect to the base member | 2009-05-14 |
20090123264 | HANDLING DEVICE AND PROCESS FOR THE MULTIAXIAL HANDLING AND GUIDING OF WORKPIECES ARRANGED ON A CARRYING MEANS - A method and device is provided for multiaxial handling and guiding workpieces ( | 2009-05-14 |
20090123265 | Gas Turbine Engine - The invention is directed to a gas turbine engine comprising a compressor, a combustion chamber, and a turbine section installed one after the other in series in the direction of the air and gas flow, wherein the compressor consists of two groups of blade wheels rotating in opposite directions to each other. The deviation of the performance defined as “air mass flow per second” between both compressor groups is minimized and a detachment of the air mass flow from the blades is substantially eliminated. The blade wheels of the second compressor group, beginning at the first blade wheel, are progressively bigger to allow a bypass for the air stream coming from the first compressor group to serve all the blade wheels of the second group essentially simultaneously. | 2009-05-14 |
20090123266 | AIR SEALING ELEMENT - A turbine blade outer air seal segment assembly has a first turbine blade outer air seal segment with a first end portion, a middle portion and a second end portion. The first turbine blade outer air seal segment is for connection with a second turbine blade outer air seal segment to form at least a part of a shroud of a turbine rotor. A first cooling passage is disposed within the first turbine blade outer air seal segment. The cooling passage extends from the first end portion to the second end portion and a land is disposed in at least one of the first or second end portions. The land represents a portion for receiving a mold ejection pin for a core forming the cooling passage. | 2009-05-14 |
20090123267 | INLET FILM COOLING OF TURBINE END WALL OF A GAS TURBINE ENGINE - The disclosure provides a gas turbine engine having a plurality of nozzle vanes extending between an inner shroud wall and an outer shroud wall of the engine. Each of the vanes includes a leading edge and at least one cooling protrusion extending upstream from a center of the leading edge. A cooling system is provided that is operable to inject cooling air upstream from the vanes. The disclosure also provides a method of cooling a gas turbine engine. The method includes the steps of supplying cooling air to an engine nozzle upstream of a gas directing vane, and adjusting the flow of the cooling air with a cooling protrusion extending forward from a leading edge center of the vane. | 2009-05-14 |
20090123268 | Z-NOTCH SHAPE FOR A TURBINE BLADE - In one embodiment, a turbine bucket includes: a tip shroud with a front edge and a following edge, the front edge and the following edge including a Z-Notch profile according to the Cartesian coordinate values of X, Y and Z set forth in Table I; wherein the coordinate values are dimensional values representing a distance from an origin of an internal coordinate system for the bucket; and wherein when the X and Y values are connected by smooth continuing arcs, the Z-Notch profile is defined. A turbine is provided. | 2009-05-14 |
20090123269 | DEVICE FOR DETECTING BREAKAGE OF A TURBOMACHINE SHAFT - The present invention relates to detecting breakage of a shaft of a turbomachine, in particular of the aviation type. The invention relates in particular to a device designed to perform such detection. According to the invention, the device for detecting breakage of a turbomachine shaft comprises:
| 2009-05-14 |
20090123270 | Pump - The invention relates to a pump for pumping contaminated liquid including solid matter, comprising a pump housing provided with a rotatable impeller suspended in a drive shaft and having at least one vane, and an impeller seat, at least one part of the impeller and the impeller seat being movable in the axial direction in relation to each other. Furthermore, the impeller seat presents at least one groove in the top surface thereof. | 2009-05-14 |
20090123271 | FAN SHAFT RETENTION - A retention system for a fan in a gas turbine engine includes a shaft that is rotatable relative to a bearing support structure about an axis. The retention system includes fore and aft bearings that rotatably support the shaft, with the fore and aft bearings being spaced apart from each other in a direction along the axis. A machined spring reacts between the bearing support structure and the fore bearing to provide a desired axial preload. | 2009-05-14 |
20090123272 | ADAPTIVE VARIABLE GEOMETRY TURBOCHARGER STRATEGY - A variable geometry turbocharger employs multiple vanes in the turbine inlet with a unison ring and integral cast wall in the turbine housing forming the nozzle walls. An actuator rotates the unison ring through a rack and pinion driven crank shaft to move the vanes through a range of vane positions that extends between a hard-stop closed position and a hard-stop open position, and that includes a reference position corresponding to a desired flow condition. A variable geometry turbine controller uses a sensor indicating the actuation position of the actuator to guide the operation of the vanes to the reference position. The controller intermittently directs the actuator to force the vanes to the hard-stop closed and hard-stop open positions, and uses sensor information from those positions to reestablish the reference-position information that the actuator uses to guide the actuation of the vanes. | 2009-05-14 |
20090123273 | TURBINE OR COMPRESSOR STAGE FOR A TURBOJET - A turbojet turbine or compressor stage, comprising at least one rotor disk mounted inside a sectorized ring ( | 2009-05-14 |
20090123274 | SPLIT GEARBOX AND NACELLE ARRANGEMENT - A gas turbine engine is disclosed that includes at least first and second gearboxes rotationally coupled to at least one spool. Accessory drive components are mounted on and driven by the gearboxes. The accessory drive components include, for example, a fuel pump, a hydraulic pump, a generator, a lubrication pump, or a starter. The accessory drive components are split between the two gearboxes to reduce the diameter of the nacelle adjacent to each gearbox. | 2009-05-14 |
20090123275 | Apparatus for eliminating compressor stator vibration induced by TIP leakage vortex bursting - Vibration induced compressor vane failure from tip leakage vortex bursting is eliminated or minimized. By securing the vane at opposite ends to inner and outer stationary casings, tip leakage is entirely avoided hence avoiding the mechanism for inducing vibration. By contouring the inner surface of the flow path to converge the flow in a downstream direction with a cantilevered compressor vane having a vane tip spaced from the inner casing surface, airflow lift off is precluded or minimized maintaining the flow attached to the flowpath surfaces with consequent avoidance of tip vortex induced vibration. | 2009-05-14 |
20090123276 | STEAM TURBINE - A steam turbine is provided having a rotor which rotates around a machine axis, and a stator which concentrically encompasses the rotor with clearance, between which an annular passage is formed which is exposed to throughflow by steam in the axial direction and in which a multiplicity of rotor blades, which are fastened on the rotor, and fixed stator blades are arranged in a plurality of stages, wherein the stator blades of the last stage have a sweep with a sweep angle which changes in sign over the relative blade height. | 2009-05-14 |
20090123277 | EXHAUST HOOD FOR A TURBINE AND METHODS OF ASSEMBLING THE SAME - A method for assembling an exhaust hood for a turbine is provided. The method includes providing a bearing cone that substantially circumscribes a rotor of the turbine; and positioning a guide radially outward from the bearing cone. The guide and the bearing cone are configured to channel fluid from the turbine. The method also includes extending a guide cap from the guide. The guide cap is oriented to facilitate preventing the generation of fluid vortexes within the exhaust hood. | 2009-05-14 |
20090123278 | STAGE OF A TURBINE OR COMPRESSOR, PARTICULARLY FOR A TURBOMACHINE - A stage of a turbine or compressor for a turbomachine, comprising at least a vane disk ( | 2009-05-14 |
20090123279 | CONNECTION OF RADIAL ARMS TO A CIRCULAR SLEEVE VIA AXES AND SPACERS - The connection assembly of an arm ( | 2009-05-14 |
20090123280 | TURBINE OR COMPRESSOR STAGE FOR A TURBOMACHINE - A turbine or compressor stage for a turbomachine, the stage comprising a blade wheel surrounded by a sectorized ring carried by a casing, each ring sector including a circumferential rim that is clamped radially a casing rail by two clamps of C-shaped section that are engaged on the circumferential end portions of the rim of the ring sector and on the corresponding portions of the casing rail. | 2009-05-14 |
20090123281 | AXIAL FLOW IMPELLER - A low noise axial flow impeller has a multi cellular form of construction comprising a multiplicity of individual axial flow channels disposed in a circumferential and radial array with respect to the axis of rotation. This increases the “blade passing frequency” as compared to a conventional impeller and since higher frequencies have lower energy for a given flow output the total amplitude of the noise generated can be reduced. For high total flow area coupled with low structural weight the channels are arranged in tessellating rings of equal numbers of channels, with channel cross sections based on hexagons (or truncated hexagons in the case of the channels in the innermost and outermost rings). In another embodiment each channel also extends from a respective channel inlet to a respective channel outlet which is offset from the respective inlet in the radial direction of the impeller, and involves an increase in the internal dimension of the respective channel in the direction radial to the axis of rotation, thus assisting deceleration and compression of the air or other medium being conveyed as it flows through the channels. | 2009-05-14 |
20090123282 | ROTATING MACHINE BALANCING MEMBER ASSEMBLY INCLUDING MULTIPLE INTERLOCKING BALANCING MEMBERS - A rotating machine includes a stationary member and a rotating member moveable relative to the stationary member. The rotating member includes at least one balancing member assembly receiving portion having a plurality of internal threads. The rotating machine also includes a balancing member assembly including first and second interlocking balancing members. The balancing member assembly also includes a plurality of external threads that are operatively connected to the internal threads of the balancing member assembly receiving portion. With this arrangement, the balancing member assembly provides a dynamic balance for the rotating member. | 2009-05-14 |
20090123283 | Turbine yaw control - A KHP system turbine for the production of energy in an underwater environment including a yaw stop arrangement for use in flowing steams where the flow direction of water therein is changeable, including bi-directional and multi-directional current flows, so that a rotatably mounted turbine remains in an optimal position within such changing flow conditions. The KHP turbine includes a rotational portion and one or two passive yaw stop assemblies that will control turbine yaw and keep the turbine oriented to capture energy from changeable underwater current flows. | 2009-05-14 |
20090123284 | High volume low speed fan - A high volume low speed (HVLS) fan provides improved air circulation and thermal control in a building by incorporating composite fan blades pivotable to both positive and negative pitch angles. The blades are molded of polymer material over a metal tube core for strength and ease of attachment to the fan hub, and have a symmetrical airfoil shape to produce an efficient bi-directional conical airflow. The fan includes a control unit providing manual and automated intelligent control over blade angle and rotational speed, as well as startup with approximately zero blade angle for more economical power consumption and less motor wear. The fan structure and mounting system allows the fan to be installed at an optimal height inside a variety of buildings to provide increased efficiency of air destratification and air mixing. An array of multiple HVLS fans with alternating directions of airflow can further increase efficiency of air movement. | 2009-05-14 |
20090123285 | Double suction type centrifugal fan - A double inlet centrifugal fan includes an impeller and fan inlet port. The impeller has a main plate connected to the drive shaft in a fan casing, fan side plates, and a plurality of blades between the main plate and each of the fan side plates. The fan inlet port has an opening corresponding to the inner diameter of the blades. The blades on the side of the larger pressure loss in the suction air passage to the fan inlet port have a smaller inner diameter than the blades on the side of the smaller pressure loss. This equalizes the total pressure increase in the blades along the drive shaft, resulting in a compact double inlet centrifugal fan capable of supplying the required air flow. | 2009-05-14 |
20090123286 | ASSEMBLY OF A FAN BLADE AND OF ITS DAMPER, FAN BLADE DAMPER AND METHOD FOR CALIBRATING THE DAMPER - The invention relates to a fan blade assembly of a turbojet with fan and a fan blade damper, the fan blade comprising a root and a platform, the fan blade damper being suitable for being attached in a housing formed in the lower face of the platform, said housing comprising an upstream side perpendicular to the root of the blade. The damper comprises a front edge of which a first portion is parallel to the upstream side of the housing and of which a second portion is inclined relative to said upstream side. The invention also relates to a fan blade damper and a method for calibrating said damper. | 2009-05-14 |
20090123287 | QUICK ASSEMBLY BLADES FOR A CEILING FAN - Quick assembly blades for a ceiling fan at least include a blade bracket, a blade and a clamping member. The clamping member is composed of a base plate and a top plate. A rear portion of the base plate has an elastic supporting plate corresponding to a locking plate provided in a rear portion of the top plate, so that the base plate and the top plate can axially move closer to each other to keep a leaning portion of the supporting plate blocked by a locking portion formed inside the locking plate, thus enabling the blade quickly assembled and firmly clamped on the blade bracket by the clamping member. | 2009-05-14 |
20090123288 | METAL IMPELLER BLADE MANUFACTURED BY MOLDING AND METHOD OF MANUFACTURING THE IMPELLER BLADE - The present invention relates to an impeller blade for turbomachine formed by molding, comprising a blade, at one end of which is provided a heel formed of a single piece with the blade, to which it is joined at the level of a connection area, the heel comprising a platform on which is provided at least one sealing plate, a first bath being provided in the platform, characterized in that a second bath is provided in the first bath, at the level of the connection area between the blade and the heel. | 2009-05-14 |
20090123289 | Quiet Airfoils For Small and Large Wind Turbines - Thick airfoil families with desirable aerodynamic performance with minimal airfoil induced noise. The airfoil families are suitable for a variety of wind turbine designs and are particularly well-suited for use with horizontal axis wind turbines (HAWTs) with constant or variable speed using pitch and/or stall control. In exemplary embodiments, a first family of three thick airfoils is provided for use with small wind turbines and second family of three thick airfoils is provided for use with very large machines, e.g., an airfoil defined for each of three blade radial stations or blade portions defined along the length of a blade. Each of the families is designed to provide a high maximum lift coefficient or high lift, to exhibit docile stalls, to be relatively insensitive to roughness, and to achieve a low profile drag. | 2009-05-14 |
20090123290 | NI-BASED ALLOY MEMBER, METHOD OF PRODUCING THE ALLOY MEMBER, TURBINE ENGINE PART, WELDING MATERIAL, AND METHOD OF PRODUCING THE WELDING MATERIAL - A Ni-based alloy member has resistance against grain boundary fracture, fatigue strength, and oxidation resistance at temperatures near 1000° C. or higher. The Ni-based alloy member includes a non-repaired region made of a Ni-based alloy base and a region repaired by welding, which is formed on the non-repaired region and which is made of a buildup-welded layer, the buildup-welded layer being made of a Ni-based alloy containing, by weight, 15% or less of Co, 18-22% of Cr, 0.8-2.0% of Al, 5.0% or less of Ta, 0.5% or less of Mo, 0.5% or less of Ti, 13-18% of W, 0.05-0.13% of C, 0.06% or less of Zr, 0.015% or less of B, 0.4-1.2% of Mn, and 0.1-0.3% of Si, the balance of the alloy being preferably essentially made of Ni. | 2009-05-14 |
20090123291 | Coatings for Use in the Field of Power Generation - There is described a method for coating the surfaces of turbomachines that come into contact with fluid media, wherein the outer surface of parts of turbomachines that come into contact with fluid media are contacted by a coating comprising an inorganic-organic hybrid polymer. Furthermore, there is described a turbomachine, wherein the surfaces that come into contact with fluid media have an outer coating which comprises an inorganic-organic hybrid polymer. Such a turbomachine can be used for generating electric power. | 2009-05-14 |
20090123292 | Turbine Blade Tip Cooling System - A turbine blade for a turbine engine having a cooling system in the turbine blade formed from at least one elongated tip cooling chamber forming a portion of the cooling system and at least partially defined by the tip wall proximate to the first end. An inner surface of the tip wall may include a plurality of curved bumper protrusions extending from the inner surface radially inward toward the root. The cooling system may include a plurality of ribs generally aligned with the trailing edge, and the curved bumper protrusions may be offset in a chordwise direction relative to the ribs. A throat section may extend between a first forwardmost curved bumper protrusion and a second immediately adjacent downstream curved bumper protrusion and may be offset radially outward from an inner tip surface, thereby creating a first recessed tip slot with a reduced tip wall thickness. | 2009-05-14 |
20090123293 | METHOD AND APPARATUS OF DRIVING MULTIPLE SHAFTS IN A WET/DRY VACUUM AND LIQUID PUMP - The present disclosure provides a method and system to supply pumping capabilities to a wet and dry vacuum cleaner. A single motor can operate a vacuum unit and the pump distinct from the vacuum unit. A port in the vacuum flow path can act as a vacuum tap to prime the pump when necessary. The pump can directly pump the fluids without having to flow first into the drum container of the vacuum cleaner. The system can allow independent operation of the vacuum unit and the pump and at different, more optimal speeds for each, allowing a higher performance on each of the vacuum unit and the pump, since maximum power for the system can be provided to either the operating device while the other one is not operating. Accordingly, the disclosure further provides a system and method for separately engaging and disengaging the vacuum unit and the pump. | 2009-05-14 |
20090123294 | FUEL CELL WITH TEMPERATURE SENSOR DEVICE - The present invention relates to a fuel cell with temperature sensor device, characterized in which the membrane electrode assembly of the fuel cell is installed on a circuit board where the circuit board comprises a temperature sensor module having resistance property. The temperature sensor module is installed on the circuit board or a heat sink where the resistance of the temperature sensor module is used to determine the temperature surrounding the temperature sensor module. | 2009-05-14 |
20090123295 | Sump pump activation switch - A switching device for submersed sump pump. The switching device employs an internal logic circuit inside a housing having a metallic member extending therefrom for mounting. The member is adapted to engage with the curved surface of a hose and hose clamp engaged to the sump pump. The member is engaged to the electrical ground to communicate a reference ground to the fluid in the sump to allow an impedance sensor to discern the fluid level and cause the logic circuit to energize or de-energize the sump pump. | 2009-05-14 |
20090123296 | WATER REMOVAL SYSTEM - A water removal system for removing water from an elevator pit that includes a sump, a pump, a pump input tube, a pump output tube and a switching mechanism. The sump at least partially extends below a lower surface of the elevator pit. The plump mounted outside of the elevator pit. The pump input line is operably connected to the sump and the pump. The pump output line is operably connected to the pump. The switching mechanism is mounted outside of the sump and is operably connected to the pump and the sump. | 2009-05-14 |
20090123297 | Microfluidic osmotic pump - A micro-fluidic osmotic pump capable of delivering a desired fluid at a predetermined destination comprising an inside fluid reservoir housing a compressible sac, a surrounding compartment having an external surface made up of a semi-permeable membrane and a fluid duct. The inside fluid reservoir houses a compressible sac containing a predetermined amount of a fluid that is desired to be pumped to a predetermined destination. The surrounding compartment holds a desired osmotic agent and its saturated solution in the remaining volume thereof. The surrounding compartment has an outer surface made up of a semi-permeable membrane that allows a predetermined second external fluid to permeate into the surrounding compartment. The fluid duct is substantially housed within the inside fluid reservoir and runs through openings and respectively provided through the inside fluid reservoir and the surrounding compartment. | 2009-05-14 |
20090123298 | METHOD TO PROLONG LIFETIME OF DIAPHRAGM PUMP - A method for operating a diaphragm-type piston pump prolongs the life of the diaphragm. A pump has a predetermined pump volume defined by a length of a piston stroke. The pump having a variable drive. The method includes drawing a first volume of liquid into the pump through a first portion of the piston stroke. The first volume of liquid is less than the pump volume. The first volume of liquid is expelled from the pump through a reverse motion through the first portion of the piston stroke. A second volume of liquid is drawn into the pump through a second portion of the piston stroke. The second volume of liquid is less than the pump volume. The second volume of liquid is expelled from the pump through a reverse motion through the second portion of the piston stroke. At least portions of the first and second portions of the piston stroke are different from one another. | 2009-05-14 |
20090123299 | Method for Driving a Pump Device - During switchover from a suctioning step to a discharging step, a mixing pump ( | 2009-05-14 |
20090123300 | System and method for controlling a variable displacement compressor - A system and method for controlling the displacement of a variable displacement compressor by feeding back crankcase pressure as part of a control scheme is disclosed. | 2009-05-14 |
20090123301 | MANUAL HAND CRANK PUMP AND METHOD - A manual hand crank pump has a housing with an inlet and an outlet and has a gearbox with an input and an output and a rotation speed of the output is greater than 50 or 100 times a rotation speed of said input. A hand crank connected to and operable to drive said input of said gearbox and a fan is within the housing and is connected to the output of the gearbox and is operable to pump air from the inlet to the outlet. The gearbox has a gear train with first and second single gears and first, second, third and forth composite gears, each composite gear having a small gear and a large gear coaxial with said small gear which provide an aggregate gear ration of more than 1:50 or more than 1:100. The hank crank pivots between a stored position and an operating position. | 2009-05-14 |
20090123302 | SCREW COMPRESSOR - A screw compressor comprising: a low pressure stage compressor body; a high pressure stage compressor body that further compresses a compressed air compressed by the low pressure stage compressor body; pinion gears for example, respectively, provided on, for example, a male rotor of the low pressure stage compressor body and, for example, a male rotor of the high pressure stage compressor body; a motor; a bull gear for example, provided on a rotating shaft of the motor; and an intermediate shaft supported rotatably and provided with a pinion gear, which meshes with the bull gear, and a bull gear, which meshes with the pinion gears. Thereby, it is possible to make the motor relatively low in rotating speed while inhibiting the gears from being increased in diameter, thus enabling achieving reduction in cost. | 2009-05-14 |
20090123303 | RECIPROCATING PUMP - The reciprocating pump for performing a pumping action by reciprocating an individual reciprocating member inside a plurality of cylinder sections arranged in parallel includes a seal case in which a cylinder section is formed and which functions as an independent pressure-resistant container; and a suction valve and a discharge valve in which a valve chamber is formed individually and each of which functions as an independent pressure-resistant container. The suction valve and the discharge valve are coupled so as to sandwich two planar sections from a direction perpendicular to a direction in which a plurality of cylinder sections are arranged in parallel in a state in which each of the suction valve and the discharge valve abuts against the respective one of the two planar sections of an external surface of a small diameter section at a front end side formed in the seal case, and the valve chamber is communicatively connected to the cylinder section. Thereby, the cylinder distance can be reduced while maintaining the thickness between cylinders and the assembling is facilitated. | 2009-05-14 |
20090123304 | DRIVE DEVICE - The invention relates to a drive device for a piston pump of a braking system of a vehicle having at least one piston element displaced in the longitudinal direction in a housing between an upper dead centre and a lower dead centre by means of an eccentric device. The eccentric device comprises at least one cam-shaped eccentric element having a covering surface forming a control curve which is used to control the displacement of the piston element. A roller bearing device is arranged between the control curve of the eccentric element and the piston element, which has such an elasticity that the piston element can be controlled according the predefined contour of the control curve of the eccentric element. | 2009-05-14 |
20090123305 | Detachable Connecting Rod Compressor Having the Same - A detachable connecting rod includes a first member ( | 2009-05-14 |
20090123306 | COUPLING ELEMENT COOLING ARRANGEMENT - A rotating system includes a drive member and a driven member. The rotating system includes a coupling positioned to rotatably couple the drive member to the driven member and a housing surrounding a portion of the coupling to define an inside and an outside, the housing having a plurality of apertures. A fan is coupled to the coupling and operable to produce a flow of air from the inside to the outside via at least one of the plurality of apertures, and a guide tube is positioned within one of the plurality of apertures to guide a flow of air from the outside to the inside. | 2009-05-14 |
20090123307 | ELECTRICAL DEVICE AND PLUG FOR AN ELECTRICAL DEVICE - Known pumping devices have a connection lid, a connection cap slipped over the connection lid, a hollow chamber formed between the connection lid and the connection cap, and electrical connections that extend through the connection cap into the hollow chamber. It is disadvantageous that when fuels containing water are being pumped, such as ethanol, corrosion can occur at the electrical connections and at the uninsulated cable segments that are exposed to fuel near the electrical connections, for instance at the electrical coils or flexible cables of the carbon brushes, and in the final analysis this leads to an interruption in the electrical contact and thus to failure of the pumping device. In the electrical device of the invention, corrosion of the electrical connections and of the electrical components adjoining them upstream and downstream is avoided entirely or at least greatly diminished. According to the invention, the electrical connections are each provided in separate chambers of the hollow chamber. | 2009-05-14 |
20090123308 | COMPRESSOR - A compressor has stator of a motor is installed in a closed container, on two planes normal to the center axis | 2009-05-14 |
20090123309 | Micropump - A pump including a stator, a rotor comprising an axial extension slidably and rotatably mounted at least partially in a rotor chamber of the stator, and at least first and second valves between an inlet and the rotor chamber, respectively between the rotor chamber and an outlet, that open and close as, a function of at least the angular displacement of the rotor. The pump comprises interacting cam elements on the rotor and stator and biasing means acting on the rotor for applying a force on the rotor in the axial direction of the stator cam element. | 2009-05-14 |
20090123310 | External inline LPG fuel pump - There is provided an external inline LPG fuel pump, and more particularly, an external inline LPG fuel pump; in which bushings are installed at first and second shafts of a motor to be fixed inside a housing, a ball is completely coupled to an end of the first shaft to prevent the motor from being shaken due to the bushings, and another ball is inserted into an end of the second shaft to fix the motor, thereby preventing the durability of the fuel pump from deteriorating by wear of a bushing part, a pumping part and an inside of the housing even though an LPG fuel is introduced when the motor is driven, prolonging the life of the fuel pump and reducing the repair and exchange costs involved with the fuel pump; in which a case inside which the housing is positioned is formed and a partition is installed inside the case, thereby cooling the high-temperature LPG fuel discharged through an outlet of the housing to reduce heat load and improving the durability of a device receiving the LPG fuel transferred from the fuel pump. | 2009-05-14 |
20090123311 | Plunger-slipper assembly of high-pressure pump - A plunger-slipper assembly of a high-pressure pump is herein claimed. The plunger-slipper assembly comprises a plunger and a slipper. The plunger has a first end and a second end, which are both spherical ends. The slipper comprises a coaxial hole for receiving the plunger and the coaxial hole has a spherical space formed at the extremity thereof for accommodating the second end of the plunger. The first end of the plunger juts out from the slipper. Further, the diameter of the coaxial hole of the slipper is slightly larger than the diameter of the plunger. An oil-filling channel lengthwise penetrates the plunger through the first end to the second end thereof. An oil-guiding channel radially penetrates the wall of the slipper and connects with the extremity of the coaxial hole. A first annular groove is deposited at the outer wall of the slipper. A third annular groove is also deposited surrounding the outer wall of the slipper. An annular stuff is settled in the third annular groove. The disclosed plunger-slipper structure operates in a high-pressure pump to provide a relatively larger stroke and to retard the abrasion thereof. | 2009-05-14 |
20090123312 | CHEMICAL LIQUID SUPPLYING APPARATUS - A chemical liquid supplying apparatus | 2009-05-14 |
20090123313 | Net-Displacement Control Of Fluid Motors And Pumps - Methods for controlling the net-displacement of a rotary fluid pressure device are disclosed. One of the net-displacement control methods ( | 2009-05-14 |
20090123314 | OIL PUMP FOR AN INTERNAL COMBUSTION ENGINE - An oil pump for an internal combustion engine for drawing up the lubricating oil situated in an oil collector device has an oil pump housing wherein at least two pairs of gears are disposed. The pairs of gears, in order to form the pumping stages, are connected on the suction side to a suction passage formed in the oil pump housing and on the delivery side to a delivery passage. The oil pump housing is further formed with an oil supply passage that is connected to the suction passage of a first pumping stage and via which lubricating oil can be delivered to the suction side of the first pumping stage. | 2009-05-14 |
20090123315 | Scroll Compressor - A scroll compressor is provided which has favorable assembling property, does not require a thrust bearing, has a bearing structure for bearing a compression section at both sides thereof and has a simple structure of a scroll. The scroll compressor includes a compression section | 2009-05-14 |
20090123316 | Gear pump - A pump comprises a driving rotor and a driven rotor that are positioned in a housing such that, as the driving rotor and the driven rotor rotate, the teeth of the driving rotor and the teeth of the driven rotor mesh to form a positive displacement seal. The teeth of the driving rotor and the driven rotor are configured such that seals between the inlet side and the discharge side of the pump are formed between only the leading surfaces of the teeth of the driving rotor and the trailing surfaces of the teeth of the driven rotor. | 2009-05-14 |
20090123317 | Vacuum pump with a lubricant pump - A vacuum pump includes a quick-rotatable component a bearing for supporting the quick-rotatable component and a lubricant pump for feeding lubricant to the bearing and having a rotor, with the bearing and the lubricant pump forming parts of a closed lubrication circuit having a hollow axle on which the rotor of the lubricant pump is rotatably supported. | 2009-05-14 |
20090123318 | FLUID TRANSFER INSERT - A shaft assembly includes a fluid transfer insert located within a bore of a shaft. The fluid transfer insert seals to the shaft and includes at least one fluid channel that communicates between a plurality of fluid ports located in the shaft. The fluid channel is defined by an outer surface of the fluid transfer insert. | 2009-05-14 |
20090123319 | "ROTARY PISTON PUMP COMPRISING A PUMP HOUSING AND TWO DOUBLE BLADED ROTARY PISTONS" - The invention relates to a rotary piston pump comprising a medium inlet, a medium outlet, and two rotary pistons. Each rotary piston has an outer contour with a constant radius R around the axis thereof, in two opposing peripheral regions, respectively over a peripheral angular region α, and, in the other peripheral regions, respectively a continuous contour with radii which are measured from the axis and are shorter than the radius R. The rotary pistons are helicoidal, respectively one front side of each rotary piston being rotated in relation to the other front side by a rotary angle β. The medium inlet and the medium outlet have a rectangular cross-section with two axially parallel edges and two edges extending at right angles to said parallel edges. The angles α and β are measured and adapted to each other in such a way that an imaginary sealing line extending parallel to the respective axis extends over the entire axial length of each rotary piston inside the peripheral region thereof with the other contour and contact radius R. | 2009-05-14 |
20090123320 | Power Steering System Hydraulic Pump - A power steering system hydraulic pump has a pump component which is to be sealed and a first pump cover. A flat sealing element is provided between the pump component which is to be sealed and the first pump cover. | 2009-05-14 |
20090123321 | High-silicon ferritic compacted graphite cast iron having high-temperature strength and high oxidation-resistance - The present invention relates to a high-silicon ferritic CG cast iron having high-temperature strength and high oxidation-resistance. More particularly, the present invention relates to a high-silicon ferritic CG cast iron having high-temperature strength and high oxidation-resistance, which has a heat and crack resistant property under a high-temperature use condition and can be used very suitably for a turbine housing, i.e., a part of a vehicle engine that is subjected to a repeated heating and cooling process. To this end, the present invention provides a high-silicon ferritic CG cast iron having high-temperature strength and high oxidation-resistance, which comprises ion (F) as a main ingredient, 3.00 to 3.60% by weight of carbon (C), 4.00 to 4.80% by weight of silicon (Si), 0.10 to 0.30% by weight of manganese (Mn), 0.07% by weight or less of phosphor (P), 0.02% by weight or less of sulfur (S), 0.30 to 1.20% by weight of molybdenum (Mo), 0.01 to 0.10% by weight of chromium (Cr), 0.2% by weight or less of titanium (Ti), 0.3 to 1.20% by weight of nickel (Ni), 0.30 to 1.20% by weight of vanadium (V) and 0.050% by weight or less of magnesium (Mg). | 2009-05-14 |
20090123322 | High-Speed Steel for Saw Blades - High-speed steel for saw blades, presenting a composition of alloy elements consisting, in mass percentage, of Carbon between 0.5 and 1.5; Chromium between 1.0 and 10.0; equivalent Tungsten, given by 2Mo+W relation, between 3.0 and 10.0; Niobium between 0.5 and 2.0. Niobium may be partially or fully replaced with Vanadium, at a ratio of 2% Niobium to each 1% Vanadium; Vanadium between 0.3 and 2.0. Vanadium may be partially or fully replaced with Niobium, at a ratio of 2% Niobium to each 1% Vanadium, Silicon between 0.3 and 3.5. Silicon may be partially or fully replaced with Aluminum, at a 1:1 ratio; Cobalt lower than 8, the remaining substantially Fe and impurities inevitable to the preparation process. | 2009-05-14 |
20090123323 | ALLOY COMPOSITIONS SUITABLE FOR MOLTEN MAGNESIUM ENVIRONMENTS - A castable and machinable alloy suitable for submersion in a molten magnesium or magnesium aluminum melt has the following composition: | 2009-05-14 |
20090123324 | Iron-Base Alloy Containing Chromium-Tungsten Carbide And a Method Of Producing It - A method and cast wear resistant component made of an alloy that includes carbon, tungsten, chromium, and cobalt with the balance essentially iron and other alloying components made using waste, surplus or worn-out cemented carbide product, such as cemented carbide cutting tool inserts. In one method, the alloy further includes silicon, manganese, nickel, titanium, and molybdenum. In practicing the method, pieces of waste, surplus or worn-out cemented carbide product having tungsten carbide (WC) are added to a cast iron alloy melt. The melt includes enough chromium to control solubility of the WC. In one method, precipitated carbide structure having chromium and carbon is produced with tungsten in the melt being substitutionally dissolved. In one implementation, tungsten is substitutionally dissolved in a lattice of the precipitated carbide structure. Carbide can be added to the melt via super inoculation. The cast wear resistant component can be a cutting tool. | 2009-05-14 |
20090123325 | Magnesium Alloys For Hydrogen Storage - A method of producing a hydrogen storage material including the steps of: forming a magnesium-nickel melt having up to 50 wt % nickel; adding up to 2 wt % of a refining element to the melt under a non-oxidising atmosphere, the refining element having an atomic radius within the range of 1-1.65 times the atomic radius of magnesium, such as at least one element selected from the group consisting of Zr, Na, K, Ba, Ca, Sr, La, Y, Yb, Rb and Cs; and solidifying the melt to produce the hydrogen storage material. | 2009-05-14 |
20090123326 | Titanium Alloy Having Improved Corrosion Resistance and Strength - A titanium alloy containing carbon with and without addition of silicon exhibiting improved corrosion resistance and mechanical strength as compared to commercially pure ASTM grade 2 titanium or PGM-alloyed ASTM grade 7 titanium. | 2009-05-14 |