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US20120308425 ROTARY COMPRESSOR  
A rotary compressor includes a first compressing unit and a second compressing unit arranged one on top of another with a partition board therebetween. The partition board is provided with a...
US20090028735 Vane-cell Machine and Method for Waste Heat Utilization, Using Vane-cell Machines  
The invention relates to a vane-type machine. The housing has a largely cylindrical space for accommodating the vane cells and an inlet opening and an outlet opening. A shaft is eccentrically...
US20090238709 Magnetic vane ejection for a rotary vane air motor  
A magnetic rotary vane pump is disclosed which includes a rotor disposed within a casing that comprises a cavity having an inlet and an outlet. The rotor includes at least one radial slot and at...
US20110189045 ROTARY VANE MACHINE  
The invention can be used in rotary vane pumps, hydraulic motors, hydrostatic differential gears and transmissions with high efficiency and at a high pressure. The inventive rotary vane machine is...
US20110223050 VANE PUMP APPARATUS  
Disclosed herein is a vane pump apparatus. The disclosed vane pump apparatus comprises a housing having an outlet channel; a reservoir tank which stores working oil and which is coupled to the...
US20100028189 ROTARY PUMP WITH VANES  
A rotary pump includes a stator having a chamber delimited by a circumferential wall, a cylindrical rotor tangent to the circumferential wall of the chamber and suitable for being driven in...
US20090081061 PERIPHERALLY PIVOTED OSCILLATING VANE MACHINE  
The present invention is directed to a peripherally pivoted oscillating vane machine (OVM). The OVM has been optimized for performance and efficiency. This has been accomplished by reducing loads...
US20090269234 IMPELLER  
An impeller for a vane cell pump includes, but is not limited to vane receptacles for receiving an at least radially movable pump vane. A chamber wall is formed between two adjacent vane...
US20090142216 FIXED VANE TYPE HYDRAULIC MOTOR  
Disclosed is a fixed vane type hydraulic motor in which a steady output can be obtained and rotation speed of an output shaft can be varied. The hydraulic motor includes a main body having an...
US20070148011 Vane-cell pump provided with a deep-drawn metal-sheet pot  
A pump, for instance for conveying lubricating oil to an internal combustion engine, in particular to multi-stroke vane-cell pump in which a rotatable group comprises a rotor whose vanes are...
US20060130803 Multiple-power engine device  
The present invention relates to a multiple-power engine device, and more particularly, to a cylinder mechanism comprising multi-sets of gear-drive eccentric top-raised cylinder drives inside an...
US20100189586 Pump Housing  
A pump housing, in particular a vane cell pump housing, having a suction connection point, from which a suction channel emerges which opens with a suction-channel opening into a receiving chamber...
US20100196187 VACUUM PUMP FOR A MOTOR VEHICLE ENGINE  
A vacuum pump for a motor vehicle engine which has a stator and a chamber, has a side wall, and the side wall has a transversal section with a predetermined shape. The rotor mounted in the chamber...
US20090041606 VANE COMPRESSOR  
Provide a vane compressor which starts the compression without delay, and which prevents the vanes from chattering under the start-up operation. To this end, the vane compressor 1 includes: a...
US20150078948 OIL PUMP  
An oil pump includes a rotor, an outer peripheral member accommodating the rotor, a first plate, and a second plate. A discharge passage through which hydraulic fluid is discharged is connected to...
US20150211520 VANE TYPE VACUUM PUMP  
A vane type vacuum pump has a discharge port for discharging suctioned air, and a reed valve part that opens and closes the discharge port. The reed valve part includes a first reed valve that is...
US20130004357 POSITIVE-DISPLACEMENT ROTARY PUMP HAVING A POSITIVE-DISPLACEMENT AUXILIARY PUMPING SYSTEM  
Positive-displacement auxiliary pumping systems for use in pump apparatus of different configurations are disclosed. The positive-displacement auxiliary pumping systems are included in...
US20050002817 Air pump  
An improved air pump is composed of a shell, a rotor, and a lid. The shell includes a round chamber inside, an inlet and an outlet both running therethrough for communicating outside, and an axial...
US20130216419 VANE PUMP  
A vane pump includes at least one vane, a pump housing with a bottom and a lid, and a rotor rotatably mounted in the pump housing, with the at least one vane being slidingly mounted in a groove in...
US20140219853 Vane for a Vane Cell Device, as Well as a Vane Cell Device  
A vane for a vane cell device comprising a stator and a rotor rotatably arranged in the stator with a plurality of guide grooves in each of which a vane can be movably mounted along a direction of...
US20130251584 VARIABLE DISPLACEMENT PUMP  
A variable displacement pump includes: a discharge opening formed at a position to confront a discharge region; a back pressure introduction groove formed on the suction region side; and a...
US20110223052 GAS COMPRESSOR  
A gas compressor includes a cylinder block, a rear side block, a front side block, a cylinder chamber segmented by the above three blocks, a rotor provided in the cylinder chamber, vane slots...
US20150173999 MASSAGE DEVICE  
A distributor for distributing a fluid has a motor, a base member and a rotor, which is driven by the motor and rotates against the base member. The base member has an infeed nozzle and a...
US20150110661 VACUUM PUMP  
Durability of a vacuum pump is prevented from degrading by suppressing abrasion of a rotor and a side plate. The vacuum pump has a hollow cylinder chamber S having an opening at an end portion of...
US20080219875 Magnetic drive vane pump  
A magnet drive rotary vane pump has a casing with a pump cavity. A rotor carrying a plurality of vanes is disposed within the pump cavity to be rotatable about an eccentric axis with respect to...
US20120237384 FRETTING-CORROSION-PREVENTION OSCILLATING VANE TYPE PUMP ACTUATOR  
Disclosed herein is an oscillating vane type pump actuator. The pump actuator of the present invention provides a method of preventing fretting corrosion from being caused on joined surfaces of...
US20100028181 VANE PUMP FOR PUMPING HYDRAULIC FLUID  
A vane pump of the intravane type for pumping hydraulic fluid, wherein each vane of the pump has two intravanes and that pressurized oil is provided to one or both intravane regions when the vane...
US20090162230 Vane Pump with Improved Internal Port Placement  
A vane pump according to the present invention is characterized in that a position of a first suction port located in the forward rotation direction of a rotor is brought closer to a suction port...
US20150064042 GAS COMPRESSOR  
In a gas compressor, an outline shape of an inner peripheral surface (41) of a cylinder (40) is set such that in a point before a compression chamber (43B) adjacent to a compression chamber (43A)...
US20140044583 PROCESS FOR MANUFACTURING CASING, AND VACUUM PUMP  
Damage of a rotor and a side plate are suppressed with a simple construction to prevent reduction in durability of a vacuum pump. A casing manufacturing method comprises a step (step S2) of...
US20140241927 VANE-TYPE HYDRAULIC DEVICE  
A vane pump (1) includes: a front side vane case (40), a rear side vane case (50), a pump housing (60), a pump cover (70), a drive shaft (30), a rotationally driven rotor (10), and vanes (20)...
US20140102402 ROTARY ENERGY CONVERTER WITH RETRACTABLE BARRIER  
A rotary internal combustion engine includes an outer housing and an inner housing defining an enclosure therebetween, and first and second side housings disposed on opposite sides of the outer...
US20100239450 PUMP INSERT  
A pump insert of a vane-type pump having no dedicated housing, the insert being inserted in a gear housing.
US20100226809 Pivoting vane pump/motor  
An improved pivoting vane pump or motor with vane timing that minimizes friction by eliminating contact between the pressurizing vane 52a and the pressure surface, big seal 64 and produces...
US20120288391 Heat Engine  
The present invention relates to a heat engine having a housing. A generally triangular shaped rotor can drive an offset crank as it eccentrically rotates within the housing. Two inlets with...
US20070243094 VANE PUMP  
A vane pump can effectively utilize the total quantity of a working fluid delivered from a vane section. The pump can be used for fluid pressure operated equipment requiring a high flow rate, does...
US20130047595 AIR COMPRESSION METHOD AND APPARATUS  
In a traditional hybrid air engine it is complicated to adjust valve timing to compensate for different engine operating modes. Provided is an air compression method and apparatus. The air...
US20140170010 VANE ROTARY COMPRESSOR  
The present invention relates to a vane rotary compressor in which, while a rotor is rotating, the volume of a compressing chamber is reduced and a fluid such as a refrigerant is compressed. The...
US20150071808 Belt and Support for a Rotor Mechanism in a Rotary Apparatus and Rotary Apparatus Comprising Same  
A pump comprises a housing having an inner contour wall defining a fluid chamber. A rotor mechanism is positioned within the fluid chamber and comprises a belt and a rotatable rotor assembly. The...
US20140248173 Belt and Support for a Rotor Mechanism in a Rotary Apparatus and Rotary Apparatus Comprising Same  
A pump comprises a housing having an inner contour wall defining a fluid chamber. A rotor mechanism is positioned within the fluid chamber and comprises a belt and a rotatable rotor assembly. The...
US20120070328 Vane Pump  
A vane pump may include an oval fixed portion of which an outer circumference may be oval, a rotation ring that may be rotatably disposed outside of the oval fixed portion with a gap and in which...
US20120207639 ROTARY COMPRESSOR HAVING GATE AXIALLY MOVABLE WITH RESPECT TO ROTOR  
A rotary compressor having a housing and a rotor positioned within an internal cavity of the housing. The rotor being configured to rotate about a rotor axis of rotation eccentric to a housing...
US20130266466 Blade-Type Fluid Transmission Device  
A blade-type fluid transmission device includes a rotor eccentrically located in the room of a stator and the outer periphery of the rotor is tangent to the inner periphery of the room. At least...
US20100119396 VARIABLE DISPLACEMENT DUAL VANE PUMP  
The present invention is a variable displacement pump having an inner rotor rotatable about a first axis and having at least two slots. The pump also has at least two vanes, each located in a...
US20170184104 VANE PUMP DEVICE  
In a vane pump device, an inner plate is provided with a low pressure side upstream recess portion; a low pressure side downstream recess portion that is positioned on the downstream side of the...
US20160201671 VACUUM PUMP FOR A MOTOR VEHICLE  
The invention relates to a vacuum pump (1) for a motor vehicle, comprising a pump housing surface (8), on which a noise reduction hood (30) delimiting a sound damping volume is mounted. The...
US20160097391 VACUUM PUMP  
In the vane pump comprising the housing, the vane, and the cap, the sliding surface of the cap is configured as arc shape in the view from the rotational axis direction and the width toward the...
US20150330389 VANE PUMP  
A shaft 26 is fitted in a shaft fitting concave part 21a to provide a structure such that no shaft 26 penetrates through a rotor 21, so that an inner space (shaft fitting concave part 21a, and...
US20150322943 METHOD FOR PRODUCING A PENDULUM OF A PENDULUM SLIDE CELL PUMP  
A method for producing a pendulum of a pendulum slide cell pump may include providing a prefabricated pendulum body and performing a post-machining operation on the pendulum body only at a...
US20150316059 Vacuum Pump Having a Disconnectable Drive Coupling  
To provide a failsafe drive coupling capable of high torque transmission in direct dog drive, a vacuum pump drive is disconnectable from a drive shaft upon movement of a piston against a return...
Matches 1 - 50 out of 53 1 2 >