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Patent Searching and Data


Matches 301 - 350 out of 1,515

Document Document Title
WO/1996/022467A1
A rotating liquid ring compressor/turbine (RLRC/T), including a rotor having a core (6) and a plurality of radially extending vanes (8) mounted thereon, a tubular jacket (4) having outer and inner lateral portions, eccentrically, rotatio...  
WO/1996/014511A1
A rotary pump which is suitable for use as the pump for a vehicle power steering system has an integral motor. The pump includes a housing (16) through which a rotatable shaft (4) extends having at one end a pump rotor assembly (5). The ...  
WO/1996/014524A1
It comprises an integral block of a variator assembly which includes a hydropump cylinder (29), a hydromotor cylinder (39), the end-plates (30, 55) and a intermediary plate (38, 43) with ports for the fluid from the hydropump to the hydr...  
WO/1996/004159A1
In order to reduce the space occupied by a hydraulic braking system for motor vehicles with brake pressure modulation by means of adjustable vane pumps, all required vane pumps (10, 11, 12, 13) are driven through a common shaft by an ele...  
WO/1995/031644A1
A pump with twin cylindrical impellers (3, 4) of a simple and efficient construction capable of achieving an easy manufacture and a high pump efficiency. The pump includes a pair of identical circular shaped impellers (3, 4) respectively...  
WO/1995/030091A1
A motor/pump unit for pumping vapor in response to a flow of liquid, and particularly useful in systems (10) for dispensing fuel to a vehicle (PV) wherein vapor given off by the fuel is to be returned from the filling port (FP) of the ve...  
WO/1995/025891A1
Pump heads comprising at least two gear-pump chambers are disclosed. Each chamber comprises a housing which defines a corresponding pump cavity. Each cavity contains a driving gear and at least one driven gear and has a separate inlet an...  
WO/1995/024556A1
A first component of a fluid material is pressed out of a cartridge (C) which can be emplied by means of a press (P). The main component flows through a feeding line (8) to a discharge line (11), driving two rotors (31) mounted in the do...  
WO/1995/020099A1
A lubrication system comprises a pair of pumps (12, 14) supplied from a common inlet and being capable of being connected to a common outlet (24). When pressure in the oulet rises, control valve (28) can displace against spring (30) to p...  
WO/1994/018455A1
The proposal relates to a gear machine (pump or motor) having two outwardly engaging pairs of gears (21, 22) in staggered array which are secured by gearing (30) to a drive shaft (31) in which the number of teeth of the gearing (30) is a...  
WO/1994/008139A1
A hydraulic pump/motor as a hydraulic pump or hydraulic motor having a rotating type rotor characterized in that a rotor accommodating chamber having a circular cross section is formed in a housing, that a rotor is accommodated in said r...  
WO/1994/004824A1
A gerotor pump is made of extremely compact axial dimensions by using a shaft (30), which is neither fast with the pump body (10) nor journalled in the pump body (10). This is achieved by making the shaft fast with either or both of the ...  
WO/1993/018307A1
A variable capacity rotary screw compressor (10) having a rotor housing (12) including a bore (14, 16), an inlet (19), an outlet (21), a slide valve recess (25, 25A) and rotors (22, 24). Passive and active slide valves (34, 61) are mount...  
WO/1993/000513A1
The invention relates to a hydraulic pump (4) driven by an electric motor and distinguished by a compact and easily assembled design. The control device (3), electric motor (2), hydraulic pump section (4), tank (6), filter (5) and resona...  
WO/1992/020922A1
A fully variable output hydraulic pump (1) includes a main casing (2) having a fluid pumping chamber (31) extending therethrough, fluid input ports (36, 40) and fluid output ports (42, 44). The fluid pumping chamber is shaped to receive ...  
WO/1992/015773A1
A hydraulic pump in the form of an oil pump (12) for a vehicle engine has both its pinion (21) which is driven by the engine's crankshaft (3), and a ring-gear (22) which cooperates with the pinion (21), incorporated in an end-cover (11) ...  
WO/1992/015774A1
Actual thermodynamic processes occuring in a system such as a heat pump or refrigeration plant are made to approach theoretical ideal processes, e.g. an isothermal (T0), by use of a multistage gear machine (1) as compressor and/or expand...  
WO/1992/013196A1
Described is a rotary pump (1) for conveying gases or liquids in transmission devices and units. The pump has standard diameter, width, and fits and clearances characteristics, which are matched to those of roller bearings. The pump is m...  
WO/1992/008895A1
A gerotor pump comprises the usual lobed annulus (30) containing the lobed rotor (not shown in figure 2) which is journalled on cylindrical boss (36). The boss is free to turn on the eccentric pin (38) between positions controlled by lim...  
WO/1991/016537A1
The unit described, which is designed to pump fuel from a fuel tank to a vehicle internal-combustion engine, has two internally geared pumps (13, 14) connected in series, one of which is the preliminary feed pump (13) for the main feed p...  
WO/1988/008929A1
An internal tank/fuel pump unit has a vertically arranged cylindrical unit housing (1) with an open lower end (3) in which is inserted a base plate (4) containing a suction channel (6) which runs from the outer surface (5) of the base pl...  
WO/1986/004638A1
Apparatus (20) responsive to fluid pressures and capable of providing fluid under pressure to provide a unit which may selectively be used as a fluid motor or a fluid driven motor pump unit depending upon fluid directing and control stru...  
WO/1984/001408A1
A rotary vane pump in which two sets of vanes (3, 3') are each slidably mounted on a rotor shaft (1), each set of vanes being axially spaced, the vanes of the first set being preferably set at 45o to those of the second set, each set of ...  
WO/1980/001401A1
An improved hydraulic pump structure for hydraulic systems which require a plurality of rotary pumps has a pump casing assembly (20) consisting of a plurality of pump casing elements (23-29) which are fastened together in abutting relati...  
JP6621326B2  
JP2019533108A
A double input fluid pump system for connecting with a gearbox or an engine, and an electric motor is indicated. A system can be provided with the 1st circumscription gear, shuttlecock, inscribed gear or Girota type pump, 2nd external ge...  
JP2019183748A
[Subject] A feeding machine which can feed an operation medium according to each to two circuits is provided. [Means for Solution] A feeding machine is provided with the following. Housing 30 in which the 2nd feeding way 47 which is diff...  
JP2019157709A
To provide a gear pump which can reduce the pressure pulsation of fluid discharged from the gear pump while being reduced in a size of a physique.A gear pump 1 comprises a first gear group 20 and a second gear group 30, and transports fl...  
JP6568474B2  
JP2019111993A
To obtain a liquid pressure control device having a pulse reduction mechanism having, for example, higher responsiveness and new configuration.A liquid pressure control device according to this disclosure comprises, for example: a plural...  
JP6522430B2  
JP2019070373A
To provide an oil pump in which oil leakage can be suppressed.The oil pump comprises: an inner rotor having a first external gear; an intermediate rotor eccentric to the inner rotor and having a first internal gear and a second external ...  
JP2019022259A
To provide a support structure for a motor capable of improving durability of the motor even in a case where the motor is disposed under an environment that the motor is vibrated, and a transmission comprising the support structure.A sup...  
JP2019011745A
To provide an oil pump for alleviating a load on a bearing part.This oil pump comprises a first pump part 51 and a second pump part 151 which are rotationally driven by a single shaft 23 of a motor part 2. A first suction port 61 of the ...  
JP6452559B2  
JP6448420B2  
JP6417518B2  
JP6411228B2  
JP6404151B2  
JP2018527496A
Hydraulic pump assembly 72 concerning the present invention is with low-pressure hydraulic pump 74, High-pressure hydraulic pump 76 and driving shaft assembly 78 which extends in accordance with an axis of the hydraulic pump assembly con...  
JP6376197B2  
JP2018112084A
To provide a pump motor which reduces a load applied on a shaft, concerning the shaft integrally rotating rotors of a plurality of rotor units.A pump motor is equipped with one or more first rotor units and one or more second rotor units...  
JP2018091386A
To downsize an electrically-driven fluid pressure type linear actuator suitable for precise positioning without backlash during motor inversion.The present invention relates to an electrically-driven fluid pressure type linear actuator. ...  
JP6341908B2  
JPWO2017013932A1
While connecting the 1st driving shaft 20 that drives the 1st pump element E1, and the 2nd driving shaft 40 that drives the 2nd pump element E2 via the 3rd driving shaft 50, It is having connected between each axis of the 1st driving sha...  
JP2018059424A
To provide a pump which can ensure stable operation performance, and has high energy efficiency.A fluid motor drive screw pump 10 is equipped with a housing 11; a shaft 40 rotatably supported in the housing 11; a counterclockwise winding...  
JP2018053851A
To solve such a problem that, because there is no space for connecting driving shafts with each other when a helical gear pump or motor is coupled in series, a piston for pressurizing an end surface center part of a driving shaft to be c...  
JP2018040345A
PURPOSE: To provide an oil pump capable of easily and efficiently assembling rotors and a driving shaft incorporated in a multi-row type pump and the like including the plurality of rotors.BACKGROUND ART:CONSTITUTION: An oil pump include...  
JP6271565B2  
JP2018013181A
To provide an automatic transmission and a method of controlling the automatic transmission which can rapidly generate a hydraulic pressure during starting of a vane type electric oil pump.An automatic transmission 1 includes a second va...  

Matches 301 - 350 out of 1,515