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Patent Searching and Data


Matches 301 - 350 out of 8,386

Document Document Title
WO/2016/074847A1
The invention relates to a rotary piston machine with a rotary piston (12) rotatable in a housing (3) with a housing outer surface (5). In order to provide a rotary piston machine with a rotary piston having a simple structure and cheap ...  
WO/2016/072418A1
Provided is an electric pump capable of driving a plurality of pumps using one driveshaft, and also capable of minimizing the drive force required from an electric motor. The electric pump has: one driveshaft rotatably driven by an elect...  
WO/2016/064569A1
A hydrostatic transmission system includes a hydraulic motor and at least one proportional control valve and at least one pump connected to the hydraulic motor to provide fluid to operate the hydraulic motor. The at least one pump includ...  
WO/2016/062538A1
The invention relates to a device for compensating pressure comprising a pump consisting of a rotational unit (1), a drive (3) and a load (2) which is connected thereto, said load comprising a flange (20) which is arranged opposite the c...  
WO/2016/056295A1
Provided is an internal gear pump. The shape of any one of a plurality of external teeth and a plurality of internal teeth of the pump is formed on the basis of formulae (1)-(5). Formula (1): r=ro-dr∙cosθ. Formula (2): Px=(ro-dr)+1/4d...  
WO/2016/057294A1
A personal formulation device for mixing and dispensing customized formulations from ingredient reservoirs carried by the device. The device may include a plurality of miniaturized progressive pumps with a flexible coupling between the m...  
WO/2016/057321A1
A linear actuator system includes a linear actuator and at least one proportional control valve and at least one pump connected to the linear actuator to provide fluid to operate the linear actuator. The at least one pump includes at lea...  
WO/2016/052570A1
Friction between a piston and an end part of a driving shaft and end part of a driven shaft had resulted in lower machine efficiency or wearing of the components. The present invention addresses this by means of a gear pump (1) provided ...  
WO/2016/048773A1
A fluid system includes a variable-speed and/or a variable-torque pump to pump a fluid, at least one proportional control valve assembly, an actuator that is operated by the fluid to control a load, and a controller that establishes a sp...  
WO/2016/035398A1
The present invention is configured in such a manner that the center of gravity of a motor section (10A) is positioned close to the opening end surface of a motor containing section (24) by affixing a stator section (18) to the motor con...  
WO/2016/030446A1
A pump (1) for conveying a fluid, comprising a pump housing (2), an eccentric (5), a deformable element (7) which is arranged in a pump gap (11) between the inner circumferential surface (13) of the pump housing (2) and an outer surface ...  
WO/2016/026837A1
A fluid supply device (110) is proposed for a transmission (112) for a motor vehicle. The fluid supply device (110) has at least one fluid supply device housing (114). At least one pump (116) and at least one electric motor (118) are int...  
WO/2016/024519A1
This hydraulic device is provided with a pair of gears, a main body (3) which has a hydraulic pressure chamber housing the gears, a pair of bearing members (40, 45), a pair of side plates (30, 35), and a sealing member (50, 55) which par...  
WO/2016/017710A1
Conventional variable vane pumps retain working fluid inside a compression chamber when a cam ring has moved to a pressing member side from an eccentric position at the reverse side of the rotor from the pressing member and exhibit the p...  
WO/2016/012381A1
Hydraulic pump unit (1) comprising a pump (2), a reservoir (3), multiple line connectors (99) and at least one valve seat (40) and a main body (5) including a channel system (50) having duct ends (502) which define multiple ports (52) in...  
WO/2016/013504A1
[Problem] The purpose of the present invention is to provide a uniaxial eccentric screw pump which is compact in the length direction and is less likely to suffer from such problems as stick slippage and damage to a shaft joint. [Solutio...  
WO/2016/014715A1
A pump includes a casing defining an interior volume. The pump casing includes at least one balancing plate that can be part of a wall of the pump casing with each balancing plate including a protruding portion having two recesses. Each ...  
WO/2016/014978A1
A rotary pump may include a rotary cover and a rotary housing that may be engaged with one another during operation. A ring gear may be positioned within an internal portion of the rotary cover and rotary housing, and an inner gear may b...  
WO/2015/097502A8
A method for supplying barrier fluid in a subsea motor and pump assembly (100) disclosed, wherein desalinated water is extracted from or downstream of a reverse osmosis device (107) and supplied to the motor and pump assembly, alone or a...  
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/2015/183315A1
An example device in accordance with an aspect of the present disclosure includes at least one pump unit, an output manifold fluidically coupled to the at least one pump unit to receive fluid from the at least one pump unit, an input man...  
WO/2015/179042A1
A pump includes a front plate, a gear plate and a rear plate. A drive shaft has a drive gear, an arbor has a driven gear engaged with the drive gear, and first and second bearings are disposed in the gear plate. The first and second bear...  
WO/2015/175111A1
A mechanical expelling mechanism for an axial pump system in a loop reactor includes straight or curved repelling vanes mounted to a vertical or tapered rear face of the impellor hub and a tapered wall provided in the adjacent seal housi...  
WO/2015/173255A1
The invention relates to a piston machine which comprises: a housing with a chamber which has a substantially circle sector-shaped cross-section; a pivotal piston which is designed as a pivoting element, is arranged in the housing, and c...  
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/2015/168220A1
A sealing arrangement is disclosed for use in a pump. The sealing arrangement can include a first pump component having a first face surface. The first face surface can have a sealing protrusion thereon. A second pump component can have ...  
WO/2015/166718A1
An oil supply system of the present invention supplies oil stored in an oil storage unit (20) to an operating unit (10) and comprises: a main pump (30) driven in conjunction with the driving of the operating unit (10) to suction and pres...  
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/2015/149209A1
Disclosed is a steering motor, comprising a spring damping valve, and an oil distributor which is fitted with the spring damping valve to form a cavity in which a buffering assembly is provided. A cylinder assembly is provided on a lower...  
WO/2015/149296A1
Disclosed is a double oil passage structure of a steering motor, comprising an upper cover buffering assembly (1) and an oil distributor (2), which are fitted with each other to form an axial cavity (4), wherein an oil flow passage (23),...  
WO/2015/148662A1
A pump having a fluid driver disposed within the interior volume of the pump and to a method of delivering fluid from an inlet of the pump to an outlet of the pump using the fluid driver. The fluid driver includes a variable-speed and/or...  
WO/2015/143141A1
A gear pump includes a housing, at least one gear set and a plurality of end plates. The gear set may be positioned between the end plates so that side surfaces of the gears face corresponding side surfaces of the end plates. The side su...  
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/2015/138918A1
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/2015/133342A1
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/2015/133406A1
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/2015/131196A1
A pump having at least two fluid drivers and a method of delivering fluid from an inlet of the pump to an outlet of the pump using the at least two fluid drivers. Each of the fluid drives includes a prime mover and a fluid displacement m...  
WO/2015/129256A1
To reduce frictional heat generated between a rotation shaft and a bearing portion in a gear pump in which the rotation shaft having a gear mounted thereon is received by the bearing portion and an image recording apparatus having the ge...  
WO/2015/119050A1
 A horizontal internal gear pump (1) has: an intake-side capacity chamber in which an inner rotor (3) having a plurality of external teeth is accommodated within an outer rotor (2) having a plurality of internal teeth such that the ext...  
WO/2015/075731A4
A rotary seal (10) for a fluid handling machine comprising first circular body (12) with circumferential surface (28) and second circular body (16) with similar surface (27), such that the bodies when coaxially assembled, the circumferen...  
WO/2015/111550A1
This vane pump is to be used as a fluid pressure supply source, and is equipped with a rotor that is driven to rotate, multiple vanes that are inserted into the rotor in a slidable manner, a cam ring with which the tip parts of the vanes...  
WO/2015/107946A1
Provided are a new rotating body, rotating body material, and manufacturing method for a rotating body, which make it possible to shorten the cutting distance in an inner diameter axis direction of an inner diameter surface to thereby su...  
WO/2015/104530A1
A gerotor pump assembly (1) comprises a compression portion (6) of a pumping section (10) which extends into fluid communication with both a gerotor front face (31) and a gerotor rear face (32) to allow, in use, exit of an engine fluid f...  
WO/2015/104012A1
Disclosed is a progressive cavity pump (1) comprising a pin joint (7), a stator (3), a rotor (4), and a drive shaft (5), wherein a coupling rod (6) is arranged between the rotor (4) and the drive shaft (5) in a universally jointed manner...  
WO/2015/097639A1
A variable displacement pump (1) for fluids comprises movable regulation members (11) which, as operating conditions of the pump (1) vary, perform an oscillatory movement about an axis (18), against the action of opposing members (23), b...  
WO/2015/097637A1
A variable displacement pump (1) comprises a regulation ring (11) having at least a pair of actuation stages (19, 20), of which a first stage is permanently exposed to pressure conditions of the pumped fluid and is arranged to make the r...  
WO/2015/096532A1
Disclosed is a twin-action variable displacement vane pump or motor, mainly comprising a rotor (3), a stator (12), a vane (4), cylinder covers (11, 12), and a bearing, wherein a division plate disc (5) is provided on the rotor (3) and th...  
WO/2015/097502A1
A method for supplying barrier fluid in a subsea motor and pump assembly (100) disclosed, wherein desalinated water is extracted from or downstream of a reverse osmosis device (107) and supplied to the motor and pump assembly, alone or a...  

Matches 301 - 350 out of 8,386