21st week of 2013 patent applcation highlights part 43 |
Patent application number | Title | Published |
20130129484 | Systems and Methods for Adjusting Clearances in Turbines - Embodiments of the invention can provide systems and methods for adjusting clearances in a turbine. According to one embodiment, there is disclosed a turbine system. The system may include one or more turbine blades, a turbine casing encompassing the one or more turbine blades, a thermoelectric element disposed at least partially about the turbine casing, a cooling system in communication with the thermoelectric element, and a controller in communication with the cooling system and the thermoelectric element. The controller may be operable to control the expansion or contraction of the turbine casing by heating or cooling at least a portion of the turbine casing with the thermoelectric element and by adjusting the cooling system such that a clearance between the one or more turbine blades and the turbine casing is adjusted. | 2013-05-23 |
20130129485 | PUMPING DEVICE THAT PROVIDES LINEAR CURRENT - A pumping device ensures that the fluid materials such as water and liquid are transmitted from one area to another area. The pumping device includes an outer flexible pipe forming an enclosed volume between a first suction area and a destination area, which has a flexible shaft through winch the rotational motion from the said pumping device is transferred and at least one impeller to which rotational motion is transferred through this flexible shaft and multiple centering components ensuring that the flexible shaft is centered and/or bedded inside the outer flexible pipe. | 2013-05-23 |
20130129486 | Turbocharger With Annular Rotary Bypass Valve For the Turbine - A turbocharger includes a turbine wheel mounted within a turbine housing and connected to a compressor wheel by a shaft. The turbine housing defines an exhaust gas inlet connected to a volute that surrounds the turbine wheel, and an axial bore through which exhaust gas that has passed through the turbine wheel is discharged from the turbine housing. The turbine housing further defines an annular bypass passage surrounding the bore and arranged to allow exhaust gas to bypass the turbine wheel. An annular bypass valve is disposed in the bypass passage. The bypass valve comprises a fixed annular valve seat and a rotary annular valve member arranged coaxially with the valve seat. The valve member is disposed against the valve seat and is rotatable about the axis for selectively varying a degree of alignment between respective orifices in the valve seat and valve member. | 2013-05-23 |
20130129487 | DEVICE FOR CONTROLLING PIVOTABLE VANES OF A TURBO-MACHINE - A control device for controlling pivotable vanes of a turbo-machine, including: a plurality of pivotable vanes distributed in azimuth over at least 90° around the axis of the turbo-machine, the pivotable vanes being oriented substantially radially relative to the axis of the turbo-machine; and a control ring portion for controlling pivoting of the vanes, each vane being connected to the control ring portion by a link, the control ring portion being held around the axis of the turbo-machine by the links; wherein at least two of the links are connected to the ring portion by respective ball-joint connections, with other links being connected to the ring portion via respective sliding pivot connections. | 2013-05-23 |
20130129488 | FOIL BEARING SUPPORTED MOTOR-DRIVEN BLOWER - A high-speed blower designed to move and circulate dry process gas includes an axial or mixed-flow compressor driven by a brushless permanent magnet synchronous motor utilizing a remotely mounted variable frequency drive. The blower uses foil gas bearings which enable high-speed, low-power loss, and oil-free operation. The blower comprises an outer blower housing and an inner blower housing defining an annular cavity therebetween. A cooling flow of process gas may be leaked through the inner blower housing to cool the internal operational components of the blower, including the motor and the bearings, and to capture heat therefrom, which can be added to the process gas flow moving through the blower. Diffuser vanes and flow-straightening vanes are provided on the outer surface of the inner blower housing to improve the fluid dynamics of the process gas flow through the blower and heat transfer from the inner blower housing. | 2013-05-23 |
20130129489 | TURBOCHARGER OIL FEED SYSTEM - A feed line for connecting an oil pump to a turbocharger supplies oil to the turbocharger when the oil pump is active. The feed line includes a turbo end and a pump end, which is lower than the turbo end relative to gravity. Oil drains from at least the pump end of the feed line when the oil pump is not active. The feed line has a center axis running therethrough, and a pool zone is disposed between the pump end and the turbo end of the feed line. The center axis of the feed line drops from a main line level on either side of the pool zone to a trap level in the pool zone. The pool zone therefore retains oil when the oil pump is not active. | 2013-05-23 |
20130129490 | FAN ASSEMBLY - A nozzle for a fan assembly has an air inlet, an annular air outlet, and an interior passage for conveying air from the air inlet to the air outlet. The interior passage is located between an annular inner wall, and an outer wall extending about the inner wall. The inner wall at least partially defines a bore through which air from outside the nozzle is drawn by air emitted from the air outlet. The inner wall is eccentric with respect to the outer wall so that the cross-sectional area of the interior passage varies about the bore. The variation in the cross-sectional area of the interior passage can control the direction in which air is emitted from around the air outlet to reduce turbulence in the air flow generated by the fan assembly. | 2013-05-23 |
20130129491 | WATER DRAINAGE SYSTEM FOR BLOWER - A water drainage system for a blower, including a shell body ( | 2013-05-23 |
20130129492 | TURBOCHARGER - A turbocharger ( | 2013-05-23 |
20130129493 | TURBINE - A turbine is provided including an annular turbine blade body ( | 2013-05-23 |
20130129494 | AXIAL TURBOMACHINE COMPRESSOR OUTER CASING - The invention relates to a casing, particularly of an axial turbomachine compressor. This casing comprises a support of cylindrical overall shape made of composite material, a metal ring fitted by bonding to the internal surface of the support, and a layer of abradable material fitted by plasma spray onto the internal surface of the metal ring. The metal ring is preferably made of stainless steel and is preferably perforated. The perforation allows better keying of the adhesive and allows the degassing thereof. The external surface of the metal ring is preferably sandblasted prior to bonding. Its internal surface is also preferably sandblasted prior to the plasma spraying of the abradable material. | 2013-05-23 |
20130129495 | HYDROELECTRIC TURBINE NOZZLES AND THEIR RELATIONSHIPS - Hydroelectric turbines in confined spaces depend heavily on nozzles and relationships involving nozzles and related turbine components in order to obtain maximal efficiencies for a wide range of flow conditions. | 2013-05-23 |
20130129496 | Turbomachine - A turbomachine has a housing which has at least one inflow channel. A plurality of blades is arranged on a rotor wheel and an operating medium flows toward the blades. The operating medium flows via the inflow channel into at least one blade channel which is formed between two blades mounted on the rotor. After exiting the rotor region, the operating medium enters a diffuser. A guide body deflects the operating medium flowing out of the blade channel in the direction of the diffuser. A portion of the guide body in the turbomachine is positioned in an intermediate region of the rotor. The intermediate region is surrounded in the radial direction by the rotor blades and lies between a blade-channel outlet and an inlet opening in an outlet channel which is downstream of the rotor and is formed by the diffuser. | 2013-05-23 |
20130129497 | EXHAUST-GAS TURBOCHARGER - The invention relates to an exhaust-gas turbocharger ( | 2013-05-23 |
20130129498 | DIFFUSER, IN PARTICULAR FOR AN AXIAL FLOW MACHINE - A diffuser for an axial flow machine has a transition from a ring channel having a first cross sectional area into an outlet space with a second, larger cross sectional area along a machine axis of the axial flow machine. The transition includes a plurality of steps. | 2013-05-23 |
20130129499 | ADAPTABLE EXHAUST FAN HOUSING - The present invention provides an adaptable fan housing having indentation markings to facilitate the installation of the fan housing. The present invention also provides positioning clips and securing clips allowing to further facilitate the installation of a fan housing of the present invention within a ceiling or a wall. The present invention also has cover clips which allows an easy installation of a cover to be secured to the fan housing. | 2013-05-23 |
20130129500 | WATER PUMP MOUNTING STRUCTURE IN INTERNAL COMBUSTION ENGINE - A water pump mounting structure includes a water pump cover and a water pump housing. The water pump housing includes an upper extending portion and a lower extending portion. The upper extending portion includes a first upper fastening portion and a second upper fastening portion. The second upper fastening portion is provided between the first upper fastening portion and a pump driving shaft. The lower extending portion includes a first lower fastening portion and a second lower fastening portion. The second lower fastening portion is provided between the first lower fastening portion and the pump driving shaft. | 2013-05-23 |
20130129501 | STUD RETENTION - A gas turbine engine having two components attached together via a stud retention arrangement. The stud retention arrangement includes a stud having a shaft and an integral collar that is located between two engagement sections. A recess and a groove are defined in one of the components and an anti-rotation element; the collar defines a retention surface and is located within the collar recess, the anti-rotation element is located within the groove and engages the retention surface to prevent rotation of the stud during assembly of the components. | 2013-05-23 |
20130129502 | EXHAUST-GAS TURBOCHARGER - An exhaust-gas turbocharger (1) having a turbine housing (2), a compressor housing (3), a bearing housing (4) which has a bearing housing axis (L), and a connecting device (5) for connecting the bearing housing (4) to the turbine housing (2) and/or to the compressor housing (3). The connecting device has a multiplicity of screws (6), a number of screw holes (7, 7′) in the bearing housing (4) corresponding to the number of screws (6), and in the turbine housing (2) and/or in the compressor housing (3) a number of threaded holes (8) corresponding to the number of screws (6). The screw holes (7, 7′), the threaded holes (8) and the screws (6) are arranged at an acute angle (α) with respect to a joining surface (9) between the bearing housing (4) and the turbine housing (2) or between the bearing housing (4) and the compressor housing (3). | 2013-05-23 |
20130129503 | EXPANDABLE IMPELLER PUMP - An impeller includes a hub, and a plurality of blades supported by the hub, the blades being arranged in at least two blade rows. The impeller has a deployed configuration in which the blades extend away from the hub, and a stored configuration in which at least one of the blades is radially compressed, for example by folding the blade towards the hub. The impeller may also have an operational configuration in which at least some of the blades are deformed from the deployed configuration upon rotation of the impeller when in the deployed configuration. The outer edge of one or more blades may have a winglet, and the base of the blades may have an associated indentation to facilitate folding of the blades. | 2013-05-23 |
20130129504 | BEARING DEVICE AND TURBOMACHINE HAVING A BEARING DEVICE - A bearing device with an arrangement of at least two bearings is provided. A filling made of an amorphous/solid active medium as a mechanism of compensating for axial loads is arranged between a bearing race of at least one of the bearings and a surrounding component of the bearing arrangement. | 2013-05-23 |
20130129505 | BEARING DEVICE AND TURBOMACHINE HAVING A BEARING DEVICE - A bearing device, for example in a turbomachine is provided. Between bearing races of the anti-friction bearings and a casing component positioned adjacent the bearing races is arranged a device for converting an axial force between the anti-friction bearings into a torque at the bearing races in the manner of a ball screw or planetary screw assembly. The bearing races are connected to one another by a feedback mechanism such that a torque at one bearing race can be converted into an opposite torque at the other bearing race. | 2013-05-23 |
20130129506 | EXHAUST GAS TURBOCHARGER WITH PLAIN BEARING FOR REDUCING FLUID TURBULENCE - An exhaust-gas turbocharger may include a rotor shaft arranged with at least one bearing-shaft portion in a radial bearing. The radial bearing may be a plain bearing configured to slide on a fluid film. The at least one bearing-shaft portion may be subdivided into two outer segments by an inner segment. The two outer segments may be arranged on the respective axial end region of the radial bearing and the inner segment may be positioned between the outer segments. The inner segment may be arranged in the area of an opening of a fluid channel. The turbocharger may include at least one transverse groove running inclined relative to the circumferential direction of the rotor shaft arranged in at least in one of the outer segments. The at least one transverse groove may include a groove depth having a continuously decreasing development in a fluid flow direction. | 2013-05-23 |
20130129507 | Composite Propeller Spar - A method and apparatus comprising a composite spar. The composite spar has a root section and a main section. The root section is closed and has a shape configured to be connected to a blade retention system. The main section has an open channel. The composite spar is configured for placement inside of a blade. | 2013-05-23 |
20130129508 | WIND TURBINE - A wind turbine | 2013-05-23 |
20130129509 | VERTICAL AXIS WIND TURBINE - A vertical axis wind turbine with blades which articulate to reduce drag when they are moving upwind and which are suitable for use in small scale electrical generators. The turbine has blades which are rotatable about a blade axis of rotation and the blade axis is rotatable about a turbine axis of rotation. A vane is coupled to the blade axis of rotation to change the orientation of the blades in response to changes in wind direction. The vane maximizes the effect of the wind on the one or more blade by adjusting the blade position to maximize the blade surface area facing into the wind when the blade is moving downwind and to minimize the blade surface area facing into the wind when the blade is moving upwind. | 2013-05-23 |
20130129510 | SYSTEM AND METHOD FOR ESTIMATING OPERATING TEMPERATURE OF TURBO MACHINERY - A method for estimating an operating temperature of component in turbo machinery includes providing body detachably affixed to component, operating machinery, stopping operation of machinery, and removing body. The method includes obtaining concentration profile by determining final concentration of at least one species in first material and in second material, and determining a transient concentration of at least one species between first material and second material. The method includes determining an operating temperature by correlating concentration profile to corresponding operating temperature for system. A system including body is also provided. Body includes at least one species, a first material having a starting first concentration of the species, a second material arranged to permit migration of the species from first material to second material. Species migrates from first material to second material during operation of turbo machinery allowing body to estimate temperature during operation. | 2013-05-23 |
20130129511 | WIND TURBINE AND APPARATUS AND METHOD FOR DETECTING DAMAGE TO WIND-TURBINE-BLADE SKIN - An object is to provide a wind turbine and an apparatus and method for detecting damage to a wind-turbine-blade skin, which can reduce the workload of workers who are in charge of inspection for damage to a wind-turbine-blade skin. Provided is an apparatus for detecting damage to a wind-turbine-blade skin that detects damage to the skin of a wind turbine blade having a hollow structure, the apparatus including a pressure sensor that measures the internal pressure of the wind turbine blade; and a nacelle-side control unit that detects damage based on the pressure measured by the pressure sensor. | 2013-05-23 |
20130129512 | DEVICE FOR REMOVING MOISTURE FROM A HYDRAULIC MEDIUM - The device according to the invention for removing moisture from a hydraulic medium ( | 2013-05-23 |
20130129513 | CENTRIFUGAL FAN IMPELLER STRUCTURE - A centrifugal fan impeller structure includes a hub and a second annular body. The hub has an extension section. A first annular body is connected to a free end of the extension section. The first annular body has a first side and a second side. A first blade set is disposed on the first side. The second annular body has a third side and a fourth side. A second blade set is disposed on the third side. The fourth side is mated and connected with the second side. The centrifugal fan impeller structure is able to greatly increase air volume and wind pressure of the fan. Moreover, in operation, the centrifugal fan impeller structure makes less noise. | 2013-05-23 |
20130129514 | PROPELLER ARRANGEMENT, IN PARTICULAR FOR WATERCRAFT - A drive system of a watercraft includes a propeller rotatable about a propeller axis, and at least one rotor fin which is disposed freely rotatably about the propeller axis. The diameter of a circular path described by the rotation of the at least one rotor fin is less than the diameter of the propeller. | 2013-05-23 |
20130129515 | CROSS FLOW FAN AND AIR CONDITIONER - A cross flow fan and an air conditioner including the cross flow fan, where the cross flow fan includes a fixing member, and a plurality of blades fixed to an upper surface of the fixing member and spaced apart from each other in a circumferential direction. one or more of the blades include a protrusion protruding in a downward direction from a surface of the blade. | 2013-05-23 |
20130129516 | AEROFOILS - An aerofoil having a leading edge point within a leading edge region and a pressure surface with a profile wherein within the leading edge region the pressure surface profile has a local minimum. The local minimum reduces the loss which may be caused by high negative incidence on to the blade. | 2013-05-23 |
20130129517 | AEROGENERATOR BLADE AND MANUFACTURING METHOD THEREOF - Aerogenerator blade and method of manufacturing thereof, the aerogenerator blade comprising an intrados shell, an extrados shell and a structural beam, the structural beam comprising a root spar, a transitional spar and a box spar, wherein the root spar has a substantially circular cross section configured to support the connection of the blade to the aerogenerator hub; the transitional spar tapers from the root spar towards the box spar; and the box spar tapers towards the blade tip; and wherein the aerogenerator blade is characterized by comprising: a first section of the structural beam including at least a root spar portion, a transitional spar portion and a box spar portion, the portions forming a first integral structural beam section; a second section including at least the counterparts of the root spar portion, the transitional spar portion and the box spar portion, said counterpart portions forming a second integral structural beam section; and wherein the first section of the structural beam is joined with the second section of the structural beam, forming the structural beam; and the intrados shell and the extrados shell are assembled on the structural beam. | 2013-05-23 |
20130129518 | WIND TURBINE BLADE - A wind turbine blade comprising an aerodynamic fairing supported along at least a portion of its axial length by a spar ( | 2013-05-23 |
20130129519 | ROTOR BLADE ELEMENT AND METHOD FOR IMPROVING THE EFFICIENCY OF A WIND TURBINE ROTOR BLADE - A rotor blade element and a method for improving the efficiency of a wind turbine rotor blade are provided. The wind turbine rotor blade element is adapted for mounting on the wind turbine rotor blade. The wind turbine rotor blade has a trailing edge, a suction side and a pressure side. The blade element has a trailing edge, a first surface and a second surface. The first surface forms a pressure side surface portion. The second surface has a suction side surface portion and a contact surface. | 2013-05-23 |
20130129520 | A WIND TURBINE BLADE - A wind turbine blade is provided. The wind turbine blade has multiple vortex generators, each projecting from a surface of the blade and having a predetermined length. The vortex generators are arranged on a strip. The width of the strip is several times larger than the length of a vortex generator. | 2013-05-23 |
20130129521 | TURBINE BLADE SKIRT - The disclosed propeller/turbine blade enhancement will be used in the moving fluid kinetic energy conversion field. This turbine blade skirt enhancement to a propeller/turbine bladed assembly will increase the kinetic energy conversion of the assembly on which the enhancement has been made a part of. The disclosed turbine blade skirt will contact and redirect a portion of the moving fluid the propeller/turbine bladed assembly is converting into mechanical rotational energy. The contacting and redirecting the fluid from the least efficient conversion areas of the assembly to the more efficient conversion areas of the assembly increases the amount of mechanical rotational energy obtained from the assembly. | 2013-05-23 |
20130129522 | RHENIUM-FREE SINGLE CRYSTAL SUPERALLOY FOR TURBINE BLADES AND VANE APPLICATIONS - A rhenium-free nickel-base superalloy for single crystal casting that exhibits excellent high temperature creep resistance, while also exhibiting other desirable properties for such alloys, comprises 5.60% to 5.85% aluminum, 9.4% to 9.9% cobalt, 5.0% to 6.0% chromium, 0.08% 0.35% hafnium, 0.50% to 0.70% molybdenum, 8.0% to 9.0% tantalum, 0.60% to 0.90% titanium, 8.5% to 9.8% tungsten, the balance comprising nickel and minor amounts of incidental elements. | 2013-05-23 |
20130129523 | Bimetallic Compressor Wheel and a Method of Manufacture Thereof - The performance and durability of compressor wheels coupled to turbocharger shafts are at odds with each other in that a higher rotational speed can be accommodated by an aluminum compressor wheel. But, aluminum has a low yield strength which causes the compressor wheel to expand outwardly at high rotational speeds such that the slip fit on the shaft no longer prevents wobble at high rotational speeds. To at least partially address this issue, the compressor wheel has two portions: an inner portion made of steel or titanium that has a relatively higher yield strength and a blade portion made of a lightweight, castable material. The inner portion is manufactured with grabbing features on its periphery, placed in a die, and the blade portion is cast over the grabbing features to yield a compressor wheel of two materials that provides sufficient shaft stiffening without high rotational inertia. | 2013-05-23 |
20130129524 | CENTRIFUGAL IMPELLER - A centrifugal impeller includes a hub and a plurality of impeller blades extending from the hub. Each impeller blade extends over a chord length between a leading end and a trailing end, over a span from a root at the hub to a tip end and over a thickness between a convex side and a concave side. The blades collectively or individually have profiles that define a circumferential pitch (CP) with regard to a spacing distance between the leading ends of neighboring ones of the blades and blade angles at positions along the convex side of each blade between the leading end and the trailing end. The blades have a solidity value (S) defined as CD/CP that is less or equal to 1.0 and the blade angles (α) of each blade increase from the respective leading end to the corresponding trailing end. | 2013-05-23 |
20130129525 | WIND POWER PLANT FOR PRODUCING ELECTRIC ENERGY, AND RELATIVE PYLON CONSTRUCTION METHOD - A wind power plant configured to produce electric energy has a foundation; a pylon extending along an axis; an electric generator mounted on top of the pylon; and a blade assembly which rotates with respect to the generator; the pylon having a portion made of flat, reinforced-concrete panels assembled such that the portion has a polygonal cross section. | 2013-05-23 |
20130129526 | WRINKLE CONTROL METHOD AND TOOL THEREFOR - A method for forming a laminate component, the method comprising the steps of: a) providing a tool having a moulding surface; b) arranging a stack of ply layers on the moulding surface of the tool; and c) moulding the stack of ply layers over the moulding surface in a moulding process, wherein the tool has a wrinkle control feature in its moulding surface for managing the development of wrinkle in the ply layers during the moulding process, and wherein the wrinkle control feature cooperates with the stack of ply layers during the moulding process to produce a local surface undulation in a nominal surface of the laminate component nearest the tool to either prevent wrinkling in the ply layers or initiate wrinkling in one or more of the ply layers at a predetermined location. Also, a tool having a wrinkle control feature, and a laminate component so formed. | 2013-05-23 |
20130129527 | ROBUST ELECTRIC SCREW COMPRESSOR BLOCKED AIR LINE DETECTION VIA MOTOR CURRENT MONITORING - Systems and methods for detecting a blocked air discharge line of an air compressor are described, which include monitoring motor current (IMTR) drawn by a compressor motor, and calculating a three-point moving average for a steady state current drawn by the compressor motor upon the motor reaching steady state (nominal) operating speed. After expiration of a predetermined time period T | 2013-05-23 |
20130129528 | Compressor-Expander Set Critical Speed Avoidance - A control method and apparatus for critical rotational speed avoidance in a compressor-expander set in a gas refrigeration system. By varying an opening of an antisurge or recycle valve, a shaft power used by the compressor in the compressor-expander set may be varied, thereby varying the rotational speed of the compressor-expander set to move it away from its critical speed zone. Additionally, a feedforward signal may be provided by a compressor-expander set control system to cause an antisurge valve for a recycle compressor to open upon a trip or shutdown of one compressor-expander set. | 2013-05-23 |
20130129529 | PRECISION PUMP WITH MULTIPLE HEADS - A pump for one or more different process fluids is provided including a pumping chamber having a process fluid inlet and outlet coupled to a process fluid valve on each pumping chamber for selectively preventing and allowing flow of process fluid through the pumping chamber. An actuation mechanism for pumping actuating fluid to actuating fluid chambers is provided that is in communication with the actuating fluid chambers to permit flow into each actuating fluid chamber of incompressible actuating fluid. A diaphragm separates each pumping chamber from an associated actuating fluid chamber for separating process fluid from actuating fluid. The actuation mechanism is removable by a quick disconnect that provides for disconnection of the activation mechanism without affecting process fluid. Operation of the actuation mechanism to displace actuating fluid causes actuating fluid to flow only into each actuating fluid chamber having an opened process fluid valve, resulting in pumping. | 2013-05-23 |
20130129530 | COMPRESSOR UNLOADING DEVICE - A refrigerant compressor system including a prime mover, a compressor, and an unloader device that couples the compressor to the prime mover. The unloading device includes a centrifugal clutch and an electric clutch | 2013-05-23 |
20130129531 | MULTISTAGE COMPRESSOR INSTALLATION - A multistage compressor installation in which compression stages utilizing centrifugal compressors are independently driven by drivers that can be electric motors configured to be controlled by a speed controller. Intercoolers are located between stages to remove the heat of compression and the stages are connected such that outlets are located opposite to inlets of the compressors and conduits connecting the intercoolers to the stages are in an in-line relationship to inhibit the formation of pressure drops between stages. The conduits connecting the stages incorporate tapered transition sections configured such that flow velocity gradually decreases towards the intercooler and gradually increases from the intercooler to the next succeeding compression stage to further inhibit pressure drops. | 2013-05-23 |
20130129532 | Syringe Infusion Pump - One embodiment of the present patent application is a syringe infusion pump that includes a syringe, a syringe barrel holder, and a force sensor. The syringe includes a barrel and a plunger. The plunger has a plunger axis and the barrel has a barrel axis and a barrel diameter. The syringe is one of a plurality of syringes, each having a different barrel diameter. The force sensor is positioned for detecting a force along the barrel axis. The syringe holder provides the barrel axis automatically aligned with the force sensor for each syringe of the plurality of syringes. | 2013-05-23 |
20130129533 | SALT-SPRAY PROTECTION STRUCTURE FOR FAN - A salt-spray protection structure for fan includes a frame, a hub, at least one protruded portion, and a stator assembly. The frame is internally provided with a base that internally defines a receiving space and has a bearing cup and at least one raised end formed thereon. The hub is mounted on the base, and one side of the hub facing toward the base has at least one open end. The protruded portion is selectively formed on one of the raised end of the base and the open end of the hub. The stator assembly is fitted around the bearing cup. The protruded portion works to scrape off salt grains that are attached to and accumulated on the hub or the base, allowing the fan to have extended service life. | 2013-05-23 |
20130129534 | PUMPING UNIT FOR A MACHINE TO DISTRIBUTE CONCRETE - A pumping unit for a machine to distribute concrete includes a pair of cylinders provided with a relative pumping piston movable linearly for a determinate travel to feed the concrete to a determinate circuit to distribute the concrete; and a hydraulic command circuit operatively connected to both the cylinders, to determine an alternate pumping movement of the relative pumping pistons. The pumping unit includes at least a sensor member operatively associated to at least one of the cylinders in order to detect point-by-point one or more data relating to the operating condition of the pumping piston during its movement for the whole travel. The data includes at least one of position, speed, stress and direction of movement of the relative piston. | 2013-05-23 |
20130129535 | PUMP - A pump for conveying a fluid comprises a pump housing ( | 2013-05-23 |
20130129536 | Flow Locking System and Method - Embodiments of the invention provide a pumping system and method including a flow locking feature. A pump controller includes a user interface configured to initially receive and set a plurality of programmed flow rate settings, a maximum locked flow rate, and a minimum locked flow rate. The pump controller is also configured to disable resetting of the maximum flow rate and the minimum flow rate once they are initially received and set and to allow resetting of the plurality of programmed flow rate settings throughout operation of the pumping system. The pump controller is further configured to operate a pump motor in order to maintain a first flow rate set by one of the plurality of programmed flow rate settings as long as the first flow rate is between the minimum locked flow rate and the maximum locked flow rate. | 2013-05-23 |
20130129537 | REFRIGERANT COMPRESSOR - A refrigerant compressor according to the present invention is configured that at least one member constituting an electric element and a compression element is made of a rubber material. This rubber material is nitrile rubber, in which: Condition 1: bound acrylonitrile content is within a range of 35 to 51% by weight; Condition 2: organic compound having carbon atom, which is capable of creating double bond with sulfur atom, nitrogen atom or carbon atom and is also capable of creating single bond with sulfur atom or nitrogen atom, is not used as a vulcanizing accelerator in the process for creating cross-linkage; and Condition 3: no phthalic ester is contained. | 2013-05-23 |
20130129538 | MINIATURIZED SYRINGE PUMP SYSTEM AND MODULES - Provided is a liquid handling device for use in a liquid handling system including a plurality of the liquid handling devices assembled in side-by-side relationship at a center-to-center spacing of X. The device includes a barrel, plunger, motive device and electronics assembled together in an envelope having a front portion including at least the barrel and plunger, and a rear portion including at least a portion of the electronics. The rear portion has a thickness greater than X but no greater than 2X, and the front portion has a thickness no greater than X and is laterally offset relative to a center plane of the envelope, whereby the liquid handling device can be assembled with another reversely oriented liquid handling device at a center-to-center spacing of X and a total combined width no greater than 2X. | 2013-05-23 |
20130129539 | ROTARY COMPRESSOR AND MANUFACTURING METHOD THEREOF - A rotary compressor having a reduced vibration and noise thereof, and capable of minimizing the deformation of components to improve the performance and the reliability, thereby providing applications for various fields other than for an air conditioner | 2013-05-23 |
20130129540 | LINEAR COMPRESSOR - A linear compressor according to the present invention can prevent leakage of a magnetic force by changing the construction of a linear motor. As the construction of the linear motor is changed, a mechanical spring constant is set smaller in consideration of a magnetic spring constant, so that the size of springs supporting a piston in the reciprocal linear motion direction can be reduced and components supporting the springs can be removed. Therefore, the linear compressor achieves a small size/a light weight. With the characteristics of the linear motor construction, the linear compressor can suppress a stroke spreading influence and easily expand a compression capacity according to a load. | 2013-05-23 |
20130129541 | Magnetically Coupled Pump Assembly - Embodiments of the invention provide a pump assembly including a pump chamber with an inlet and an outlet. The pump assembly also includes a first cup at least partially enclosing the pump chamber and including a protrusion with a central recess, and a shaft positioned within the central recess. The pump assembly further includes a substantially hemispherical rotor unit with at least one ferrous metal element molded in plastic, and an impeller coupled to the rotor unit. The rotor unit and the impeller are positioned inside the first cup and rotatable around the shaft. | 2013-05-23 |
20130129542 | MOTOR STRUCTURE OF INTAKE MANIFOLD - A motor structure of an intake manifold may include a compressor interlocking with a shaft and mounted on the intake manifold, a first pulley and a belt provided at an end of the shaft, and an electric motor having a motor shaft that may be coupled to a second pulley that may be engaged with the first pulley via the belt, wherein the motor shaft of the electric motor may be selectively coupled to a flywheel that may be additionally provided to pass through the pulley and the belt. | 2013-05-23 |
20130129543 | STACKED LABYRINTH CHAMBERS FOR USE WITH AN ELECTRICAL SUBMERSIBLE PUMP - A labyrinth type seal section for use with an electrical submersible pump assembly having a guide tube with an axial bore to port wellbore fluid to a lower end of the seal section. Lubricating fluid fills substantially all of the seal section above an interface between the lubricating fluid and the wellbore fluid. The guide tube circumscribes a drive shaft that extends between a motor and a pump. The guide tube and shaft form an annulus filled with lubricating fluid that communicates to the well fluid and to the motor, so that pressure in the motor can be equalized to pressure of the ambient well fluid. | 2013-05-23 |
20130129544 | BARBECUE SMOKER AIR BLOWER AND THE METHOD OF INSTALLATION - An air blower installed on a barbeque smoker, including: (a) a rotary air blowing fan having an air outlet, (b) an air blower body having a first end and a second end with an air passage inside the air blower body between the first end and the second end, (c) a front installation panel, (d) a torsion spring having two arms with a round ring on each of the two arms, (e) a torsion spring retention pin, and (f) a shutter. When the rotary air blowing fan is turned on, the rotary air blowing fan blows air into the air blower body, through the shutter. When the rotary air blowing fan is turned off, the shutter close the air passage by its gravity. The torsion spring can be in the shape of a “V” or a “V” with two arms bent inward so they are approximately parallel. | 2013-05-23 |
20130129545 | BLOWER - A blower includes a motor, a fan, a casing, a control circuit, a roll pin, and a boss portion, and an end face of the boss portion at one side inserted to the shaft is provided with a groove having an opening and an bottom part to engaged with the roll pin, side walls of the groove are slanted to widen from a bottom part to the opening, the side walls have straight portions formed to confront each other in parallel to a longitudinal direction of the shaft and extending toward the opening from a start point corresponding to a central axis of the roll pin, and a distance between the confronting straight portions is equal to a diameter of the roll pin. | 2013-05-23 |
20130129546 | COMPRESSOR - A compressor includes a valve base plate, which is arranged between a suction chamber and a compression chamber and has a suction port. The valve base plate includes a sealing surface, a recessed groove, a receiving surface, and a support surface. The sealing surface is flush with a fixing surface and contacts the valve portion in an annular manner. The recessed groove is located at an outer side of the sealing surface and recessed with respect to the fixing surface. The recessed groove includes a bottom portion and separates an edge portion of the valve portion from the bottom portion. The receiving surface is flush with the fixing surface and capable of contacting a distal zone of the valve portion. The support surface is flush with the fixing surface and capable of contacting a middle zone located at an inner side of the sealing surface of the valve portion. | 2013-05-23 |
20130129547 | ROTARY ENGINE EXHAUST APPARATUS AND METHOD OF OPERATION THEREFOR - The invention comprises a rotary engine method and apparatus configured with an exhaust system. The exhaust system includes an exhaust cut or exhaust channel into one or more of a housing or an endplate of the rotary engine, which interrupts the seal surface of the expansion chamber housing. The exhaust cut directs spent fuel from the rotary engine fuel expansion/compression chamber out of the rotary engine either directly or via an optional exhaust port and/or exhaust booster. The exhaust system vents fuel to atmosphere or into a condenser for recirculating of fuel in a closed-loop circulating rotary engine system. Exhausting the engine reduces back pressure on the rotary engine thereby enhancing rotary engine efficiency. | 2013-05-23 |
20130129548 | TWO-STAGE MEDIUM-PRESSURE SCREW-TYPE AIR COMPRESSOR SET - A two-stage medium-pressure screw air compressor comprises a primary screw compressor ( | 2013-05-23 |
20130129549 | COMPRESSOR - According to a compressor of the present invention, the compressor further comprises an oil separating mechanism | 2013-05-23 |
20130129550 | Scroll-Type Fluid Machine - A scroll-type fluid machine in which: a fixed scroll and a moveable scroll are disposed in a housing; a fluid pocket, the volume of which varies, is formed between the fixed scroll and the moveable scroll; and a thrust plate for receiving the reaction force in the axial direction of pressure applied within the fluid pocket is disposed between the bottom plate of the moveable scroll and the housing. The scroll-type fluid machine is characterized in that at least the surface of the thrust plate facing the bottom plate of the moveable scroll is subjected to tin plating. As a consequence, it is possible to efficiently produce, at a low cost, a thrust bearing which is disposed between the bottom plate of the moveable scroll and the housing, exerts excellent seizure resistance, and has a high PV limit level and a low friction coefficient. | 2013-05-23 |
20130129551 | COMPRESSOR FOR VEHICLE - With regard to a scroll compressor, a compression portion is rotatably connected with one end portion of a rotating shaft. A first shaft portion formed at one end portion of the rotating shaft is supported through a first bearing by a partition. A second shaft portion formed at the other end portion of the rotating shaft is supported through a second bearing by a cylindrical shaft support. A coil spring is interposed between a second inner race of a second bearing and a spring receiving portion of the rotating shaft which faces the second inner race in the shaft direction of the rotating shaft. The structure reduces vibration toward the shaft length direction of the rotating shaft and minimizes common vibrations together with vehicle side vibrations. | 2013-05-23 |
20130129552 | ROTARY COMPRESSOR - A rotary compressor | 2013-05-23 |
20130129553 | SINGLE SCREW COMPRESSOR WITH HIGH OUTPUT - In one aspect, a single screw compressor is disclosed. The compressor, in at least some embodiments, includes: a housing including a cylindrical bore; a pair of gate rotors mounted for rotation in the housing, each gate rotor having a plurality of gear teeth; and a main rotor rotatably mounted in the bore and having a plurality of grooves, a plurality of lands, an additional groove, and an additional land; wherein the plurality of lands of the main rotor comprises a first wrap angle and the additional land comprises a second wrap angle, and the second wrap angle is distinct and different from the first wrap angle. In other aspects, a method of assembling a gate rotor in relation to a main rotor that is positioned within a single screw gas compressor configured for high output, and a main rotor device for use with a single screw compressor configured for high output are also disclosed. | 2013-05-23 |
20130129554 | LUBRICANT PUMP AND CONTROL PISTON - A lubricant pump includes a housing in which at least one pair of intermeshing gear wheels is arranged for conveying lubricant. One gear wheel is rotatably supported on a drive shaft and the other gear wheel is rotatably supported on an axially shiftable displacement unit for adjusting a variable flow volume. Axially displaceable in a housing receptacle is a control piston for hydraulically adjusting the position of the displacement unit. The control piston is configured as composite structural part and has a central longitudinal shaft and cylinder rings which include control edges for clearing or closing control channels feeding into the receptacle. The cylinder rings are made from a material which reduces friction and/or wear with respect to the receptacle, and the central longitudinal shaft has at least one section made from a material having a coefficient of thermal expansion at least substantially corresponding to the one of the receptacle. | 2013-05-23 |
20130129555 | Contact Element For Rotary Piston Pump - The rotary piston pump includes two counter-rotating rotary pistons and an oval pump housing. Every rotary piston has a rotary piston vane and is provided with a contact element. The contact points of the flanks of the two rotary pistons in which the two rotary pistons form a friction pairing are provided with a contact element each. The interior of the oval pump housing is likewise provided with an exchangeable contact element. | 2013-05-23 |
20130129556 | METHODS FOR PROCESSING NANOSTRUCTURED FERRITIC ALLOYS, AND ARTICLES PRODUCED THEREBY - A formed article comprising a nanostructured ferritic alloy is provided. Advantageously, the article is not formed via extrusion, and thus, cost savings are provided. Methods are also provided for forming the article, and the articles so produced, exhibit sufficient continuous cycle fatigue crack growth resistance and hold time fatigue crack growth resistance to be utilized as turbomachinery components, and in particular, large, hot section components of a gas or steam turbine engines. In other embodiments, a turbomachinery component comprising an NFA is provided, and in some such embodiments, the turbomachinery component may be extruded. | 2013-05-23 |
20130129557 | Method of Making Fuel Cell Interconnect Using Powder Metallurgy - Methods for fabricating an interconnect for a fuel cell stack that include the steps of providing a metal powder, and rapidly compressing the metal powder, such as with a combustion-driven compaction apparatus, in a lubricant-free and/or sub-atmospheric environment to form the interconnect. The interconnect may have sufficient strength and density such that the interconnect may be incorporated into a fuel cell stack without performing a separate sintering and/or an oxidation step following the compressing. | 2013-05-23 |
20130129558 | COMPACTING DEVICE - The invention relates to a tool for compacting the surface of a component ( | 2013-05-23 |
20130129559 | LEAN AUSTENITIC STAINLESS STEEL CONTAINING STABILIZING ELEMENTS - An austenitic stainless steel composition including relatively low nickel and molybdenum levels, and exhibiting corrosion resistance, resistance to elevated temperature deformation, and formability properties comparable to certain alloys including higher nickel and molybdenum levels. Embodiments of the austenitic stainless steel include, in weight %, up to 0.20 C: 2.0 to 9.0 Mn, up to 2.0 Si, 16.0 to 23.0 Cr, 1.0 to 7.0 Ni. up to 3.0 Mo, up to 3.0 Cu, 0.05 to 0.35 N, up to 4.0 W, (7.5(C))≦(Nb+Ti+V+Ta+Zr)≦1.5, up to 0.01 B, up to 1.0 Co, iron and impurities. Additionally, embodiments of the steel may include 0.5≦(Mo+W/2)≦5.0 and/or 1.0≦(Ni+Co)≦8.0. | 2013-05-23 |
20130129560 | FERRITIC STAINLESS STEEL - A ferritic stainless steel that generates only a small amount of black spots in weld zone, the steel containing, in mass %, 0.020% or less of C, 0.025% or less of N, 1.0% or less of Si, 1.0% or less of Mn, 0.035% or less of P, 0.01% or less of S, 16.0 to 25.0% of Cr, 0.12% or less of Al, 0.05 to 0.35% of Ti, and 0.0015% or less of Ca, and the balance consisting of Fe and unavoidable impurities, wherein the following formula 1 is satisfied. | 2013-05-23 |
20130129561 | LEADLESS BRASS ALLOY EXCELLENT IN STRESS CORROSION CRACKING RESISTANCE - By enhancing a stress corrosion cracking resistance in a leadless brass alloy, specifically by suppressing a velocity of propagation of corrosion cracks in the brass alloy, a straight line crack peculiar to the leadless brass alloy is suppressed, a probability of cracks coming into contact with γ phases is heightened and local corrosion on the brass surface is prevented to suppress induction of cracks by the local corrosion, thereby providing a leadless brass alloy contributable to enhancement of the stress corrosion cracking resistance. The present invention is directed to an Sn-containing Bi-based, Sn-containing Bi+Sb-based or Sn-containing Bi+Se+Sb-based leadless brass alloy excellent in stress corrosion cracking resistance, having an α+γ structure or α+β+γ structure and having γ phases distributed uniformly therein at a predetermined proportion to suppress local corrosion and induction of stress corrosion cracks. | 2013-05-23 |
20130129562 | PINK COLORED METAL ALLOY HAVING LOW GOLD CONTENT - Pink colored metal alloys have a low gold content. The pink colored metal alloys of the present disclosure display a high level of tarnish resistance during extended use and wear, and have the appearance and properties comparable 10 karat (or above) gold alloys, which have a significantly higher gold content. | 2013-05-23 |
20130129563 | AEOSOL SYNTHESIS OF FACETED ALUMINUM NANOCRYSTALS - Low temperature gas-phase methods for the preparation of faceted aluminum crystals are disclosed. | 2013-05-23 |
20130129564 | Method for producing La/Ce/MM/Y base alloys, resulting alloys and battery electrodes - A carbothermic reduction method is provided for reducing a La-, Ce-, MM-, and/or Y-containing oxide in the presence of carbon and a source of a reactant element comprising Si, Ge, Sn, Pb, As, Sb, Bi, and/or P to form an intermediate alloy material including a majority of La, Ce, MM, and/or Y and a minor amount of the reactant element. The intermediate material is useful as a master alloy for in making negative electrode materials for a metal hydride battery, as hydrogen storage alloys, as master alloy additive for addition to a melt of commercial Mg and Al alloys, steels, cast irons, and superalloys; or in reducing Sm | 2013-05-23 |
20130129565 | FILTER AND DEVICE FOR TREATING AIR | 2013-05-23 |
20130129566 | DEVICE FOR INTERNAL AND EXTERNAL STERILISATION OF PLASTIC CONTAINERS BY MEANS OF CHARGE CARRIER BEAMS - An apparatus for sterilising at least a segment of an inner wall and a segment of an outer wall of containers by accelerated charge carriers, includes at least one first external application device for sterilising at least a segment of an outer wall of containers and an internal application device for sterilising at least a segment of an inner wall of containers. The internal application device at least in portions is arranged to be introduced through an opening into the container in order to apply the emitted charge carriers to an inner wall of the container. The containers are transported along a transport path during their sterilisation, wherein along a segment of the transport path of the containers between the first external application device and the internal application device is arranged a pitch change device to change a distance between two containers succeeding each other along the transport path. | 2013-05-23 |
20130129567 | SYSTEM AND METHOD FOR GENERATION OF ACTIVE SPECIES IN A MEDIA BY UV RADIATION - A system for sanitizing an article includes an ultraviolet light emitting a frequency of light anywhere between 122-230 nm projected toward the article. A medium dispersed about the article and intersecting with the projected ultraviolet light is also provided. The medium interacts with the frequency of light to generate reactive oxygen species that eliminate microbes on the article. Specific light frequencies may be used in combination with different mediums. | 2013-05-23 |
20130129568 | FLASH PHOTOLYSIS SYSTEM - A pump-probe LFP system is adapted to a substantially lower energy requirement of a pump light source and a probe light source. The LFP system includes a photonic crystal fiber based probe light source, a pump light source adapted to produce light pulses with nanojoule or higher energy, a main laser source to generate a first beam portion to the probe light source and a second beam portion to the pump light source, a delay generator, computer, an optical modulator, and a detector. One or more lenses can be used to focus the light beams to areas less than about 1 micron on a sample, where the sample can be rastered to provide domain specific flash photolysis data of the sample. | 2013-05-23 |
20130129569 | REACTOR, AND METHOD FOR THE GASIFICATION OF BIOMASS - A reactor for the gasification of biomass having a reactor vessel that defines a gasification chamber with an oxidation zone, to which oxidation zone an oxygen containing gasification agent, in particular air, may be supplied from outside of the reactor vessel, wherein biomass may be continuously transported to the oxidation zone in the gasification chamber, wherein air supply elements having exit openings in the area of the oxidation zone are arranged in the reactor vessel, which extend in the transport direction of the biomass. The air supply elements are each configured in lance form and provided along at least one insulation section with an external insulation layer. | 2013-05-23 |
20130129570 | POLYCRYSTAL SILICON MANUFACTURING APPARATUS - There is disclosed a polycrystal silicon manufacturing apparatus including a reaction pipe configured to provide a reaction space where seed silicon grows into polycrystal silicon, a flowing-gas supply unit configured to supply flowing gas to the seed silicon and the polycrystal silicon provided in the reaction pipe, a sensing unit configured to output level information based on the height of a fluidized bed which is changeable according to the growth of the polycrystal silicon, and a particle outlet configured to exhaust the polycrystal silicon formed in the reaction pipe outside, when the height of the fluidized bed corresponding to the level information is larger than an exhaustion start height of the fluidized bed corresponding to a start level. | 2013-05-23 |
20130129571 | OIL BURNING LAMP - An oil burning lamp comprises an oil container, a wick and a heating structure. The wick includes a first end located in the oil container to draw fragrance fuel oil therein, a second end to draw the fragrance fuel oil from the first end to be ignited for burning and a middle section interposed between the first end and second end. The heating structure is coupled on the wick and includes a heat transfer portion coupled annularly on the second end to get heat energy generated by burning of the fragrance fuel oil, a heating portion to clamp the middle section of the wick, a diffusing portion to bridge the heat transfer portion and heating portion and a diffusing chamber located in the diffusing portion. | 2013-05-23 |
20130129572 | HYDROGEN-GENERATING EQUIPMENT - A hydrogen-generating equipment including a hydrogen-generating device and a hydrogen-purifying device is provided. The hydrogen-generating device is capable of generating a hydrogen-gas, a water-vapor mixed in the hydrogen-gas and a toxic-gas mixed in the hydrogen-gas. The hydrogen-purifying device includes a water-vapor filter unit and a toxic-gas filter unit. The hydrogen-gas passes through the water-vapor filter unit to remove the water-vapor mixed in the hydrogen-gas. The toxic-gas filter unit includes a filtering assembly. The surface of the filtering assembly has a plurality of hydroxyls. After the hydrogen-gas passes through the water-vapor filter unit, the hydrogen-gas passes through the toxic-gas filter unit, and the toxic-gas mixed in the hydrogen-gas reacts with a plurality of hydroxyls on a surface of the filtering assembly to remove the toxic-gas. | 2013-05-23 |
20130129573 | SYSTEM AND APPARATUS TO EXTRACT AND REDUCE DISSOLVED HEMI-CELLULOSIC SOLIDS IN BIOMASS FOLLOWING PRE-HYDROLYSIS - A system for washing processed biomass and removing dissolved solids from the biomass including: a pre-hydrolysis reactor vessel having an outlet to discharge a biomass slurry, wherein the pre-hydrolysis reactor vessel is operated at conditions that promote hydrolysis of the biomass; a retention tank receiving the biomass slurry discharged through the outlet of the pre-hydrolysis reactor vessel, wherein the retention tank receives recovered wash liquid and is configured to dilute the biomass slurry in the tank with the recovered wash liquid and discharge diluted biomass slurry, and a drain device including a biomass slurry inlet receiving the discharged diluted biomass slurry from the retention tank, a solids outlet to discharge concentrated biomass slurry, and a liquid drain to discharge liquid extracted from the discharged diluted biomass slurry, wherein the liquid drain is in fluid communication with the retention tank such that the discharged liquid flows to the retention tank. | 2013-05-23 |
20130129574 | CATALYTIC FILTER FOR FILTERING A GAS, COMPRISING A JOINT CEMENT INCORPORATING A GEOPOLYMER MATERIAL - The invention relates to a filter structure, for filtering particulate-laden gases, comprising a plurality of honeycomb filtering elements, said structure being obtained by assembling said elements, which are joined together by means of a joint cement, said joint cement being an essentially inorganic, preferably mineral, composite comprising at least:
| 2013-05-23 |
20130129575 | CATALYST AND METHOD OF MANUFACTURE - A catalyst system comprising a first catalytic composition comprising a first catalytic material disposed on a metal inorganic support; wherein the metal inorganic support has pores; and at least one promoting metal. The catalyst system further comprises a second catalytic composition comprising, (i) a zeolite, or (ii) a first catalytic material disposed on a first substrate, the first catalytic material comprising an element selected from the group consisting of tungsten, titanium, and vanadium. The catalyst system may further comprise a third catalytic composition. The catalyst system may further comprise a delivery system configured to deliver a reductant and optionally a co-reductant. A catalyst system comprising a first catalytic composition, the second catalytic composition, and the third catalytic composition is also provided. An exhaust system comprising the catalyst systems described herein is also provided. | 2013-05-23 |
20130129576 | MULTIPHASE CATALYTIC TOWER-TYPE IMPINGING-STREAM REACTOR - A multiphase catalytic tower-shaped impinging-stream reactor in the form of a tower, the upper part of which is a plate or packed tower | 2013-05-23 |
20130129577 | CHAMBER SEALING MEMBER - A reaction chamber including an upper region for processing a substrate, a lower region for loading a substrate, a susceptor movable within the reaction chamber, a first sealing member positioned on a perimeter of the susceptor, a second sealing member positioned between the upper region and the lower region, wherein the first and second sealing members are selectively engaged with one another to limit communication between the upper region and the lower region. | 2013-05-23 |
20130129578 | APPARATUS FOR SINGLE CELL SEPARATION AND POSITION FIXING - The present invention relates to an apparatus for single cell trap and position fixing of the trapped cell thereof, and specifically, it induces cell movement from where fluid flows strongly to where the fluid flows weakly, by injecting pressed air to an air channel to modify a thin film of a vibrator, and therefore to induce the fluid flow. | 2013-05-23 |
20130129579 | COLORIMETRIC METHOD AND DEVICE FOR DETECTING ANALYTE QUANTITIES IN FLUIDS AND MATERIALS - A method and device for detecting an analyte in a solution or compound mixture use colorimetric detection to detect the quantity of an analyte in the solution or compound. The analyte sensor demonstrates a clear change in peak light absorption wavelength as a function of the stoichiometric relationship between the analyte sensor and the analyte. The method involves combining the analyte sensor and the analyte in solution and observing a color change of the mixture. Additionally, predefined amounts of the analyte sensor can be added until color change is detected and the quantity of analyte can be determined as a function of the total amount of analyte sensor in the mixture. Alternatively, a device having multiple wells or compartments, each with a different concentration of the analyte sensor. The analyte sample can be introduced to each well and the well that demonstrates the color change can, from its know analyte sensor concentration, be used to quickly and accurately determine the concentration of the analyte. | 2013-05-23 |
20130129580 | FLOW CONTROL DEVICE FOR ASSAYS - The present disclosure relates to devices and methods for detecting the presence of a target analyte in a fluid sample using an assay. A fluidic device for flow control in an assay is disclosed comprising a water impermeable substrate ( | 2013-05-23 |
20130129581 | MICRODROPLET-PRODUCING APPARATUS - [Name of the Document] The present invention provides an apparatus for producing micro liquid drops through fine channels which can produce a large amount of micro liquid drops at low costs in an efficient manner. The apparatus for producing micro liquid drops according to the present invention includes a fine channel substrate and a holder for holding the fine channel substrate. The fine channel substrate has a micro liquid drop discharge outlet formed at the center thereof; a plurality of micro liquid drop producing sections which are connected to the micro liquid drop discharge outlet via the fine channels and disposed on the respective circumference of M circles or polygons arranged around the micro liquid drop discharge outlet; first-liquid drawing inlets which are disposed on the circumference of a circle or polygon arranged around the micro liquid drop discharge outlet; up-to-Nth-liquid drawing inlets (N is an integer equal to two or greater, M≦N−1) which are disposed on the respective circumference of circles or polygons arranged sequentially outward; and the fine channels through which the first- to Nth-liquids are supplied to the plurality of micro liquid drop producing sections. The holder for holding the fine channel substrate has a multi-pipe structure which includes N annular channels for distributing an equal flow of the first- to Nth-liquids to the drawing inlet for each liquid in the fine channel substrate. | 2013-05-23 |
20130129582 | METHOD FOR THE PLASMA-ENHANCED TREATMENT OF INTERNAL SURFACES OF A HOLLOW BODY, FLUID SEPARATOR, AND USE THEREOF - The present invention relates to the treatment of internal surfaces of a hollow body, on the inner surfaces of which areas having different surface properties, for example, having hydrophilic and hydrophobic properties, are produced. The invention further relates to fluid separators that are based on said hollow bodies and that have areas having different surface properties. Such fluid separators are used in medical technology and analysis, in particular biochemical analysis. | 2013-05-23 |
20130129583 | SAMPLE-SUPPORT ELEMENT FOR ULTRA-HIGH VACUUMS - The invention discloses a sample-support element for ultra-high vacuums comprising a main chamber and a supplementary chamber for the sample holder and the heating/cooling elements, which is pumped by a related pump line. This enables the reduction or total elimination of the negative effect related to the alteration of the residual atmosphere in ultra-high vacuums resulting from heating or cooling the surfaces of the sample holder. | 2013-05-23 |