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8182244 |
Vacuum pump provided with a device for its deactivation
A vacuum pump has inside the pumping chamber valves intended to control the operation by opening and closing during the suction and delivery cycle of the pump. The valves or parts connected thereto...
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8176901 |
Variable speed supercharger with electric power generation
A supercharger for boosting intake manifold pressure in an internal combustion engine and producing electrical energy comprises an input shaft (3), a electric machine (50) including a stator (51)...
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8162626 |
Motor-driven compressor
A motor-driven compressor has a compression mechanism, a rotary shaft, an electric motor, a motor drive circuit, a connecting terminal and a housing assembly. The compression mechanism, the...
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8147220 |
Compressor having compression element welded to closed container at three or more welding points and suction tube neither parallel nor perpendicular to a straight line connecting any two of the welding points
A compressor includes a closed container and a compression element welded together at least three, preferably six, welding points. A suction tube for sucking refrigerant gas is attached to the...
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7988431 |
Capacity-variable rotary compressor
A variable capacity rotary compressor is provided, in which a vane may be restricted by a pressure difference generated between both side surfaces of the vane when the compressor performs in a...
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7976287 |
Capacity variable type twin rotary compressor and driving method thereof
A capacity variable type twin rotary compressor may include a casing, a motor, a first cylinder having a first compression space, a second cylinder fixed to one side of the first cylinder and...
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7967579 |
Hermetic compressor with spot joining portions fixing a motor stator to a cylindrical portion of a casing where a clearance is secured therebetween
A hermetic compressor is disposed with an annular motor stator, a motor rotor, a casing and plural spot joining portions. The motor rotor is disposed such that it may freely rotate in a space...
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7942648 |
Air pump
Lifetime required of mobile-use fuel cells is secured and prolonged, stabilized pump performance is maintained by preventing bearing seizure and abnormal wear. The shaft (101) of a pump mechanism...
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7942642 |
Method and apparatus for highly efficient compact vapor compression cooling
The subject invention pertains to a method and apparatus for cooling. In a specific embodiment, the subject invention relates to a lightweight, compact, reliable, and efficient cooling system. The...
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7938630 |
Compressor
A compressor includes a compression mechanism, a motor coupled to the compression mechanism via a driving shaft, and a casing to accommodate the compression mechanism and the motor. The motor...
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7857603 |
Piezoelectric drive for scroll compressor
Compressors are defined by two relatively moving members, which have a relative orbital movement between the two. Piezoelectric elements are associated with each of the two moving members to cause...
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7837449 |
Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigerant unit
There is provided a rotary compressor capable of preventing deterioration of performance following plug fixing carried out to prevent falling-off of a spring member. The rotary compressor comprises...
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7802972 |
Rotary type compressor
A valve guard for restricting the amount of deformation of a valve disc has a main body part abuttable with the back surface of the valve disc, and a fixation part extending to outside of a...
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7802970 |
Micropump for electronics cooling
A micropump including one or more microchannels for receiving a fluid and a plurality of electrodes arranged on a diaphragm and energized in a manner to provide an enhanced electrohydrodynamic flow...
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7798282 |
Power assisted steering system
A hybrid electrical power assist system (EPAS) for an automotive vehicle that utilizes the advantages of a conventional EPAS system to provide power assist based upon several distinct sensor...
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7798787 |
Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method
There is provided an internal intermediate pressure multistage compression type rotary compressor capable of reducing a height dimension while reducing the amount of oil to be discharged outside....
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7766628 |
Sealed compressor with structure on lower housing shell to assist weld placement
A compressor is provided with a dimple and a lower end cap to receive a positioning fixture pin to position the lower end cap prior to a welding operation. The use of the dimple ensures the lower...
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7762792 |
Compressor
There is provided a rotary compressor capable of preventing deterioration of performance following plug fixing carried out to prevent falling-off of a spring member. The rotary compressor comprises...
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7748968 |
Two-cylinder rotary compressor with suction pipes
In a two-cylinder rotary compressor, two compressing sections accommodated in a compressor body and an accumulator are connected to each other by two suction pipes each formed with an L-shaped bend...
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7695254 |
Electric pump with coupled pressed members
A pump case of an electric pump is constructed by coupling a first pressed member formed with a cylindrical part for holding a first rolling ball bearing rotatably supporting a rotary shaft, and a...
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7618242 |
Hermetic sealed compressor
A front head of a cylinder and a mounting plate are tightly fixed to each other. The mounting plate is welded to a casing. The mounting plate is made of steel containing 2.0% or less of carbon...
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7607907 |
Roller vane pump
A roller vane pump for fluid includes a carrier which is rotatable in a housing about an axis of rotation, the carrier carrying a plurality of roller vanes which are each received in a respective...
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7600986 |
Filtering device for multistage compression type rotary compressor
There is provided an internal intermediate pressure multistage compression type rotary compressor capable of reducing a height dimension while reducing the amount of oil to be discharged outside....
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7591637 |
G-rotor pump
Disclosed is a G-rotor pump in which a lid and a bottom of a pump housing are made of plastic. A spacer that supports the bottom is produced as a single piece with the lid, whereby the G-rotor pump...
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7578660 |
Hermetic compressor
A compression mechanism has a cylinder, a suction passage and a discharge passage. The suction passage of a cylinder is connected to a suction pipe. The discharge passage is open to an inner space...
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7563080 |
Rotary compressor
A rotary compressor includes a rotation mechanism, an annular piston and a blade. The rotation mechanism has a cylinder with an annular cylinder chamber. The annular piston is contained in the...
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7563081 |
Gas compressor
A gas compressor includes a housing with suction and discharge ports, and a gas-compressing mechanism housed in the housing to compress a gas sucked through the suction port and discharge the...
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7540724 |
Compression member and vane of a compressor
A compressor having a compression member whose upper surface crosses an axial direction of a rotary shaft and is inclined continuously between a top dead center and a bottom dead center and which...
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7530647 |
Vehicular brake device
A pump body includes a cylindrical first case for housing the plurality of rotary pumps, a second case located coaxially with the first case, and a disk spring located between the first case and...
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7520732 |
Pump
A pump, particularly a vane pump or roller cell pump, whereby the vane pump or roller cell pump is provided with a two-stroke contour ring, with a rotor, inside of which vanes or rollers are...
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7520733 |
Multistage compression type rotary compressor
There is provided an internal intermediate pressure multistage compression type rotary compressor capable of reducing a height dimension while reducing the amount of oil to be discharged outside....
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7473082 |
Pumping system with progressive cavity pump
Pumping system comprising: a progressive cavity pump comprising a helical rotor inside a helical cavity of an outer stator; motor for driving the rotor, with a motor shaft coaxial to the axis of...
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7448858 |
Pump aggregate
A pump aggregate A comprises a one-piece cast hollow body 1 including an exterior connection block 3 and an interior lateral wall 16 of a bearing shield. A pressure transmission path is formed by a...
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7431573 |
Device for generating a reducing agent/air mixture
The apparatus for generating a mixture of reducing agent and air has a pumping agent feed pump having a pump housing and a mixing chamber into which reducing agent and air pumped by the feed pump...
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7413419 |
Water-injected screw compressor
The invention relates to a water-injected screw compressor, comprising a compressor element (2) with a housing (7) which borders a compression chamber (8) in which two rotors (9, 10) are installed,...
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7407372 |
Progressing cavity pump or motor
A progressing cavity pump or a motor includes, in one embodiment, an outer tube 12, an inner tube 14, and a plurality of apertures 16. A pair of annular seal glands 18 seal the stator material to...
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7396217 |
Fuel pump to be installed inside fuel tank
A fuel pump for supplying fuel drawn from a fuel tank into an internal combustion engine comprises a rotor, a rotation shaft, bearing members and a drawing force generative means. The rotation...
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7377755 |
Multi-stage rotary compressor
A multi-stage rotary compressor to reduce a driving load and prevent a malfunction due to an abrupt pressure rising. In the compressor of the type including first and second compressing units...
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7361001 |
Hydraulic vane pump
A hydraulic vane pump includes a plurality of members forming a recession and an orifice in fluid communication with one another and with rotating vane cells at an inlet sector of the pump. Air...
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7354250 |
Variable capacity rotary compressor
A variable capacity rotary compressor having a slot defined between eccentric bushes, a latch pin fitted to a rotary shaft so as to be latched to the slot, and a restraint unit for restraining the...
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7351043 |
Horizontal compressor end cap
A substantially horizontal compressor including a housing having a main body portion with an open end. An end cap is secured to the main body portion with the end cap being provided with a...
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7255541 |
Fluid pump
A fluid pump includes a housing, a drive source, a rotary unit and a pumping mechanism. The drive source is accommodated in the housing and includes a rotary member for rotation. The rotary unit...
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7247005 |
Oil seal arrangement
A motor-driven gear pump assembly includes a rotary shaft rotatably mounted in a housing, and a pump mounted on the rotary shaft. The pump has a pressure chamber. A high-pressure seal is disposed...
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7229257 |
Horizontal type compressor
A horizontal type compressor comprising: a differential pressure plate for dividing an inside of a casing into a high pressure chamber and a lower pressure chamber and thus maintaining an oil level...
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7217106 |
Electro-hydraulic power steering apparatus
An electro-hydraulic power steering apparatus includes: a motor having a rotational shaft and provided with a bearing for rotatably bearing the rotational shaft; a hydraulic pump disposed at one...
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7197892 |
Encapsulated electrically driven compressor
The invention relates to an encapsulated electrically driven compressor for a motor vehicle and has an object to prevent electrical parts for connecting an electric motor housed in a hermetically...
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7156623 |
Electric oil pump apparatus
An electric oil pump apparatus includes a pump housing a drive side communicating portion, a motor housing having a pump side communicating portion communicating with the drive side communicating...
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7146707 |
Method of assembling a balanced high speed generator rotor
An improved apparatus and method of having a pair of end caps on a rotor assembly of a multi-pole high-speed generator is provided for use with a turbine engine. The rotor assembly provides...
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7131821 |
Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method
There is provided an internal intermediate pressure multistage compression type rotary compressor capable of reducing a height dimension while reducing the amount of oil to be discharged outside....
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7128540 |
Refrigeration system having a rotary compressor
There is provided a rotary compressor capable of preventing deterioration of performance following plug fixing carried out to prevent falling-off of a spring member. The rotary compressor comprises...
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