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Patent Searching and Data


Matches 501 - 550 out of 16,141

Document Document Title
WO/2016/010551A1
A variable displacement vane pump includes a biasing element for urging the control ring toward a first position that corresponds to a maximum volumetric capacity of the pump. Fluid pressure within a control chamber urges the control rin...  
WO/2016/008465A1
The application relates to a hydraulic motor for driving auxiliary units. The aim of the application is to develop a hydraulic motor for driving auxiliary units that operates very effectively both at low operating pressures present at th...  
WO/2016/009197A1
A rotary piston compressor is disclosed, comprising a housing having an epitrochoidal shaped inner bore (10), peripheral inlet and exhaust ports (12, 14) located in the bore, and a rotary piston (18) rotatably mounted within the housing....  
WO/2015/197557A1
The invention relates to a modular construction system (1) for the rotors (2) of a pendulum-slider vane pump for delivering a fluid, for example lubricating oil, said system comprising: - at least three inner rotors (3) of different diam...  
WO/2015/198224A1
Fluid pump (10) comprising a hollow body (100) in which a stator (101) and an external rotor (106) of an electric motor are mounted. The external rotor (106) is rotatably mounted about a main axis (X-X) and has an internal cavity (25) co...  
WO/2015/193083A1
The invention relates to an internal combustion engine with a fluid reservoir and a fluid/steam accumulator. The fluid/steam accumulator is connected to a valve via a first connecting line, and the valve is connected to an electrically d...  
WO/2015/183600A1
In at least one aspect, this disclosure relates to a wellsite pump for a wellsite having a wellbore penetrating a subterranean formation. The wellsite has a conduit to pass a wellsite fluid about the wellsite. The wellsite pump includes ...  
WO/2015/183135A1
The present gear machine relates to the field of hydraulic and pneumatic positive displacement machines with a rotating working member, in which the movement of the pumped medium takes place in a direction perpendicular to the axes of ro...  
WO/2015/183980A1
An integrated pressure plate and port plate, and method of forming same, for a pump includes a housing having a pumping chamber formed therein. The housing includes first and second metal pressure plate portions that form at least a port...  
WO/2015/184371A1
The present teachings generally include a rotor assembly having a plurality of rotor sheets or layers mounted to a shaft, and methods of construction for a rotor assembly. Each rotor sheet or layer in the assembly may be provided with a ...  
WO/2015/181207A1
The invention relates to a vane pump comprising a rotor that has substantially radial vane slots in which vanes are guided in such a way as to be radially movable, and comprising a guide ring that represents a restrictive guide for the v...  
WO/2015/181908A1
To provide a gear pump or motor capable of effectively ensuring mechanical efficiency and durability even in the case where materials having different slidabilities are used for each side of gears, the present invention provides a gear p...  
WO/2015/176541A1
A shaft-in-shaft centering rotor pump provided with sliding plates comprises a case, a rotor (4), a crankshaft (8), sliding plates (5) and blades (6). Due to the limitation of the crankshaft (8), the sliding plates (5) are prevented from...  
WO/2015/172371A1
A screw pump and a wind water-pumping system using a wind motor to drive the screw pump to pump water, and aim to provide a single-screw pump with good sealing performance, high conveying efficiency, large water outlet pressure, small in...  
WO/2015/175823A1
An ECM method involves the use of a thin hollow electrode assembly that carries the electrolyte within and that is advanced relatively to the workpiece. The small profile of the electrode results in a minimal removal of metal in forming ...  
WO/2015/173618A1
The object of the present invention is a belt-driven volumetric pump (1), for pumping a liquid or gaseous fluid, which envisages one or more compartments (3) carried by a belt (2) which winds on two or more pulleys (4). According to the ...  
WO/2015/170650A1
[Problem] The objective is to provide a pumping device which has good maintainability and with which a constant quantity of a fluid can be transferred without pulsation. [Solution] This pumping device (10) has a pump mechanism portion (2...  
WO/2015/170200A1
This disclosure relates to a rotary vane device and more particularly but not exclusively, to a rotary vane engine or pump. The disclosure also relates to a rotor assembly suitable for use in such a rotary vane device. The rotor includes...  
WO/2015/164261A1
A positive-displacement unitary pump and turbine is operable as a fluid energy exchanger using a charging fluid as motive force and acting upon a separate feed fluid that exits the turbine at an elevated energy state. The rotor casing de...  
WO/2015/164453A3
A fluid delivery system having at least one fluid storage device and a pump with at least one fluid driver with a flow-through shaft that has a through-passage. The pump includes a casing, and at least one fluid driver having a prime mov...  
WO/2015/164453A2
A fluid delivery system having at least one fluid storage device and a pump with at least one fluid driver with a flow-through shaft that has a through-passage. The pump includes a casing, and at least one fluid driver having a prime mov...  
WO/2015/161939A1
The invention proposes a vane pump (VP) with adjustable delivery volume, which vane pump has a pump housing (G), a cam ring (KR) arranged therein, and a rotor (R) which is rotatably movably mounted therein. The vane pump (VP) has a regul...  
WO/2015/159201A1
A variable capacity pump includes a control ring moveable within a pump chamber to alter the volumetric capacity of the pump. First and second control chambers individually receive pressurized fluid to create forces to bias the control r...  
WO/2015/160950A1
The disclosure generally relates to pump assembly that includes a rotary vane vacuum pump. The pump assembly is controlled using a controller and may be moved through manipulation of a robotic arm segment of the pump assembly and a reel ...  
WO/2015/159018A1
A fuel gear pump (4') works to supply a pre-defined flow rate, but with low or zero pressure rise. In order to ensure the hydrodynamic lifting of bearings (19) supporting the pinions (11), or some of them, a sealing lining (46) is added ...  
WO/2015/158320A2
The invention relates to an adjustable pump unit (4, 22) for a positive displacement pump, in particular for an eccentric screw pump or for a rotary piston pump, that is to be adaptable to a wide variety of operating conditions and conve...  
WO/2015/158320A3
The invention relates to an adjustable pump unit (4, 22) for a positive displacement pump, in particular for an eccentric screw pump or for a rotary piston pump, that is to be adaptable to a wide variety of operating conditions and conve...  
WO/2015/158320A4
The invention relates to an adjustable pump unit (4, 22) for a positive displacement pump, in particular for an eccentric screw pump or for a rotary piston pump, that is to be adaptable to a wide variety of operating conditions and conve...  
WO/2015/161158A1
A sliding vane, positive displacement pump is provided which includes a dual mechanical seal that protects against leakage from a pump chamber while also reducing slip across rotor end faces. The dual mechanical seal may be formed as a c...  
WO/2015/154434A1
A dual-rotor rotary positive displacement pump comprising a pump housing (1), a main rotor (10), and an auxiliary rotor (20). An upper cavity (8) and a lower cavity (9) are provided within the pump housing (1). A water inlet (14) and a w...  
WO/2015/154645A1
An eccentric movable vane pump, comprising a cylinder (1), a first rotor (2), a second rotor (4) and movable vanes (21); the first rotor (2) and the second rotor (4) are eccentrically disposed; the number of the movable vanes (21) is gre...  
WO/2015/154624A1
A dual-rotor rotary positive displacement pump comprising a pump housing (1), a main rotor (10, 30, 50, and 60), and an auxiliary rotor (20 and 40). An upper cavity (8) and a lower cavity (9) are provided within the pump housing (1). A w...  
WO/2015/152833A1
A revolving vane compressor and a method of operating a revolving vane compressor are disclosed. The compressor includes a tubular sleeve having a first rotational axis; a rotor disposed within the sleeve, the rotor having a second rotat...  
WO/2015/147744A1
A vane-slot mechanism for a rotary vane machine having a rotor configured to relatively rotate within a cylinder, the vane-slot mechanism comprising: a slot provided on one of: the rotor and the cylinder; a vane provided on the other of:...  
WO/2015/144496A1
The invention relates to a vacuum pump designed as a mono-vane cell pump, comprising a stator ring with windings, a rotor and a vane which divides a working chamber formed between the stator and a rotor into working cells having differen...  
WO/2015/146740A1
Provided is an internal gear pump in which the fluid discharge flow rate during the high speed rotation of a drive shaft is suppressed. The internal gear pump (1) is equipped with a trochoid (4) in which an inner rotor (3) having a plura...  
WO/2015/140986A1
A hydraulic device is provided with: a first gear (10) and a second gear (15), which have teeth meshing with each other; a body (3) having a hydraulic chamber (4) for receiving the first gear (10) and the second gear (15); bearing member...  
WO/2015/141466A1
A pump device comprising: a main pump (101) which supplies a working fluid through a first discharge passage (32) to a fluid pressure apparatus (21); a subpump (102) which supplies the working fluid through a second discharge passage (33...  
WO/2015/138557A1
A rotor assembly having a plurality of rotor plates mounted to a shaft, and methods of construction for a rotor assembly are disclosed. Each rotor plate in the assembly may be provided with a central opening extending between the first a...  
WO/2015/135192A1
Disclosed is a piston motor pump, wherein a double-acting vane pump is driven by a radial piston motor. A motor cylinder sleeve (10) is eccentrically fixed to a main shaft (6) of the motor pump to rotate the same to run, and to make a hi...  
WO/2015/138918A1
A gear pump and gear pump housing are provided. The gear pump housing includes an inner wall and an outer wall. The inner wall defines an inner pumping cavity having a pumping cavity inlet and a pumping cavity outlet. The outer wall surr...  
WO/2015/137055A1
Provided is an attachment structure for an electric oil pump (1) that arranges the electric oil pump (1) without the use of a flow pipe therebetween. The electric oil pump (1) is provided with: a pump section (10) that comprises an inter...  
WO/2015/137209A1
A vane pump provided with: a rotor that is connected to a drive shaft; a plurality of vanes that are provided so as to be capable of reciprocal motion in the radial direction with respect to the rotor; a cam ring that has a cam surface a...  
WO/2015/133131A1
To provide a coating composition for a lubricating coating film capable of forming a lubricating coating film having a high level of flexibility on surfaces of various base materials. A coating composition for a lubricating coating film ...  
WO/2015/133342A1
The purpose of the present invention is to suppress the occurrence of unevenness in a rotor of an internal gear pump, suppress the formation of gaps between the end surfaces (side surfaces) of an inner rotor and an outer rotor, and to pr...  
WO/2015/133157A1
A drive rotating shaft between a rotor section and a pump rotor is rotatably supported by a first slide bearing. The portion of the drive rotating shaft, which is located closer to the front end of the drive rotating shaft than the porti...  
WO/2015/134194A1
A three-gear pump system (30) includes a housing and a three-gear configuration (30) within the housing that pumps fluid from a fluid inlet to a fluid outlet. The three-gear configuration (30) includes a center drive gear (32), a first d...  
WO/2015/133406A1
This seal structure for a member uses an annular seal structure in which a first component and a second component are provided between mutually opposing bonding surfaces, wherein the seal structure for a member uses a gasket (8) which is...  
WO/2015/131057A3
An external gear machine (EGM) includes a housing, an inlet, a drive gear positioned in the housing and configured to be (i) driven by a mechanism when the EGM is operated as a pump, or (ii) drive an external mechanism when the EGM is op...  
WO/2015/127513A1
There is provided a rotary vane motor for use with a pressurised flow of fluid. The rotary vane motor includes a chamber with an inlet and an outlet, a rotor rotatably held within the chamber and attached to a drive shaft, wherein the ro...  

Matches 501 - 550 out of 16,141