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7621729 |
Multistage compression type rotary compressor
An object is to provide a high inner pressure type multistage compression rotary compressor capable of avoiding beforehand generation of vane fly of a second rotary compression element and...
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7611343 |
Multistage compression type rotary compressor
An object is to provide a high inner pressure type multistage compression rotary compressor capable of avoiding beforehand generation of vane fly of a second rotary compression element and...
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7611342 |
Multistage compression type rotary compressor
An object is to provide a high inner pressure type multistage compression rotary compressor capable of avoiding beforehand generation of vane fly of a second rotary compression element and...
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7556484 |
Compressor having a small-width portion and a large-width portion in an inner circumferential sliding surface of a swinging roller
A piston 4 has a generally cylindrical-shaped roller and a blade that is integrally formed with the roller. The piston 4 performs a swing motion while orbitally revolving within a cylinder...
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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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7491042 |
Multistage compression type rotary compressor
An object is to provide a high inner pressure type multistage compression rotary compressor capable of avoiding beforehand generation of vane fly of a second rotary compression element and...
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7117841 |
K.Engine
K. Engine (KE) is rotary internal combustion engine, combination Reciprocating Engine (RE) and Gas Turbine (GT) comprising coaxially separate piston rotary compressor and turbine having housings...
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7101161 |
Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit
An object of the present invention is to provide a method for manufacturing a multi-stage compression type rotary compressor which can avoid the replacement of parts to be used as much as possible...
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7101162 |
Compressor
A refrigerant cycling device is provided, wherein a compressor comprises an electric motor element, a first and a second rotary compression elements in a sealed container. The first and the second...
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7044725 |
Lever-mechanism motor or pump
A machine, such as an engine, which includes a cylinder ( 1 ), an essentially cylindrical piston ( 5 ) set on bearings and equipped with an eccentrically-set shaft ( 11 ), an inlet port or valve (...
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6827564 |
Rotary compressor
A rotary piston displacement device having an impeller housng with an approximately cylindrical receiving chamber in which an approximately cylindrical piston, which has a smaller outside diameter...
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6824367 |
Multi-stage compression type rotary compressor and a setting method of displacement volume ratio for the same
A multi-stage compression type rotary compressor 10 is provided with an electrical-power element 14 , the first and second rotary compression elements 32, 34 driven by a rotary shaft 16 of...
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6732542 |
Defroster of refrigerant circuit and rotary compressor
A defroster restrains a vane jump that takes place when an evaporator is defrosted in a refrigerant circuit using a so-called internal intermediate-pressure type double-stage compression rotary...
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6322341 |
Fluid pressure driven rotary actuator and method of operating the same
A hydraulic rotary actuator assembly includes a rotatable drive assembly disposed about and rotatable about a longitudinal axis of the actuator and a stator assembly disposed about the rotatable...
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6283728 |
Gas powered rotary engine and compressor
A plurality of rotary assemblies driven by gas pressure having internal cam activated retractable gates selectively coupled to a rotary compressor. The rotary compressor is selectively coupled...
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6168401 |
Hydraulic conveying device
An hydraulic conveying device, in particular for conveying diesel fuel for an internal-combustion engine in motor vehicles, with a housing provided with at least one conveying chamber as well as a...
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5885065 |
Method and pump for pumping liquid containing solids
A pump for pumping a liquid containing solids comprises a housing having a first end and second end and an interior pump chamber. An inlet pipe leads to the pump chamber through the first end, and...
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5833444 |
Fluid driven motors
There is disclosed a fluid driven motor of particular use, for example, in drilling apparatus or in powering underwater excavation apparatus. Known motors suffer from a number of problems, e.g....
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5785509 |
Wellbore motor system
A drilling motor has been developed with a hollow tubular stator having at least one rod recess therein and an inlet port therethrough corresponding to each of the at least one rod recess; a rod...
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5518379 |
Downhole motor system
A drilling motor has been developed with a hollow tubular stator having at least one rod recess therein and an exhaust port therethrough corresponding to each of the at least one rod recess; a rod...
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5242280 |
Rotary type multi-stage compressor with vanes biased by oil pressure
A multi-stage rotary type compressor is constituted in such a manner that an electric motor and a plurality of compression elements to be driven by the electric motor are disposed in a closed...
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5242288 |
Rotary engine or pump with a round toroidal cylinder and pistons
An engine or pump is described which has a round cylinder in cross section, the surface of the cylinder being a round toroidal tube in the rotary direction. The cylinder is made of two equal parts,...
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4819594 |
Reversible rotary internal combustion engine
A reversible rotary internal combustion engine comprising a stator which defines a cylindrical chamber (43), a drive shaft (1) extending coaxially through the chamber, a rotor (2) comprising a...
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4664608 |
Rotary compressor with reduced friction between vane and vane slot
A hermetically sealed rotary refrigerant compressor, comprising a compression chamber, a roller eccentrically rotatable in the chamber, and a vane slidably mounted in a slot in the wall of the...
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4345886 |
Rotary compressor with vanes in the housing and suction through the rotor
A rotary compressor for compressing fluid. A housing having a cylindrical internal cavity is provided with vanes and delivery ports. A rotor is rotatably mounted in the housing. The rotor has a...
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4086042 |
Rotary compressor and vane assembly therefor
A rotary compressor is provided in which the space between the rotor and the encompassing housing wall is separated into suction and discharge spaces by reciprocating vane assemblies, each of which...
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4009690 |
Rotary internal combustion engine
A rotary internal combustion engine comprising an elongated rotor having an oval shaped cross-section secured to a compartmentalized shaft rotatably disposed in an elongated cylindrical shaped bore...
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3995601 |
Rotary internal combustion engine
A rotary internal combustion engine including a single shaft supporting two rotors recessed to form working chambers in adjacent sections of a housing with a cylindrical interior, one rotor...
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3924976 |
Engine
A rotary fluid engine powered by externally pressurized working fluid including a rotor and externally plurality of swinging arms positioned to engage with and impart a torque force to the rotor...
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3923431 |
Sealed slide plates for rotary internal combustion engine
A rotary internal combustion engine including a stator having a circular chamber within which is coaxially disposed a shaft supporting an off-center circular rotor, the diameter of the rotor being...
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3914075 |
Sliding partition rotary engine with rectilinear seals
The invention relates to engines of the kind having rotors and being supplied by a fluid under pressure, and is especially directed to an engine of this type capable of being coupled to a closed...
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3852000 |
FLEXIBLE ROTOR FOR FLUID PUMPS
A fluid pump comprises a chamber the interior of which has parallel opposed walls and a peripheral wall, a rotor eccentrically mounted within the chamber and having two opposed faces engaging with...
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3782867 |
FLUID POWER CONVERTER
A fluid power converter, such as a hydraulic fluid pump or motor, having a rotor and stator each having sealing vanes and in which the stator includes a contoured periphery consisting of harmonic...
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3759640 |
ROTARY ENGINE VALVE MEANS
This invention provides a valve system for directing charges of pressurized working fluid into the expandable chambers of a rotary engine, for operation against a pivoted power arm associated with...
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3741170 |
START-UP MECHANISM FOR ROTARY COMBUSTION ENGINE
There is disclosed a start-up system for a rotary internal combustion engine of a type having a plurality of swinging arms pivotally supported about the periphery of a rotor housing with a rotor...
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3707073 |
ROTARY PISTON ENGINE
This disclosure relates to an internal combustion engine that uses a rotary piston for overcoming the disadvantages of currently available engines. The disclosed engine is simple, and may be used...
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3692439 |
FLUID PRESSURE RESPONSIVE MECHANISM IN A FLUID PRESSURE DEVICE
Fluid pressure responsive mechanism in a fluid pressure device including first and second internal fluid chamber housing means and fluid pressure operating means, wherein said fluid pressure...
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3652192 |
SEALED CONVEYING APPARATUS
A conveyor screw is mounted in a working chamber to convey a fluid material, and is sealed by a row or stack of sealing elements extending along a surface line of the conveyor screw perpendicular...
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3649141 |
ROTARY PUMP WITH INTEGRAL ROTOR CONSTRUCTION
A rotary pump of unitary rotor construction disposed within a housing having a cylindrical inner surface. A tubular shaft extends from one end of the rotor and supplies fluid to the axis of the...
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3639092 |
APPARATUS FOR CONVERTING HYDRAULIC OR PNEUMATIC ENERGY INTO KINETIC ENERGY OR VICE VERSA, SUCH AS A ROTARY MULTICHAMBER VANE-TYPE MOTOR OR PUMPS
Apparatus for converting hydraulic or pneumatic energy into kinetic energy and vice versa. An inner element carrying sliding vanes is mounted in an outer element defining a plurality of recesses...
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3463090 |
FLUID PUMP
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3289652 |
Rotary displacement machine
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3246573 |
Fluid driven motor
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3194122 |
Hydraulic cam motor vane switching system
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3130902 |
Refrigerator compressor
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3128708 |
Pump
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2937715 |
Lubrication system for gas compressor
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2900961 |
Linear fluid actuator utilizing vanes
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2898034 |
Compressor with dual compression chambers
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2896409 |
Rotary engine
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