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Patent Searching and Data


Matches 351 - 400 out of 1,556

Document Document Title
JP2021500502A
A crank chamber (8) for accommodating a crankshaft (12) connected to a movable part (13,14,15,16,18) capable of supplying torque to the crankshaft (12), a lubrication circuit (20), and lubrication. An internal combustion engine equipped ...  
JPWO2019069418A1
In the gear pump (1) according to the present invention, the first suction space (L1) in which the fluid is sucked in according to the rotation of the internal gear (10) and the first external gear (20) and the first suction space (L1) i...  
JP6772610B2
To provide a hydraulic supply device enabling reduction in the size of the device while suppressing reverse rotation of a pump section driven by an electric motor.A hydraulic supply device 10 includes: a first pump section 42 driven by u...  
JP2020133632A
To provide a cooling lubrication system comprising an optimized pump and a dry sump.A cooling lubrication system (1) comprises a dry sump (3) and an oil tank (6). A pump system (2) activates an oil circuit in which an oil pump delivers o...  
JP2020525708A
An electric rotary pump system and an operation method for the same pass the fluid passage demarcated in the mechanical pump, and are to the hollow shaft of a motor from a pump entrance, It includes feeding fluid via other fluid passages...  
JP6745132B2
This compound pump is provided with: a housing (H); a first pump unit (PU1) disposed within the housing and including an inner rotor (50) and an outer rotor (60), which engage with each other; and a second pump unit (PU2) disposed within...  
JP6732077B2
A motor vehicle pump arrangement has a first pump and a second pump, and an electric motor for driving the two pumps. The electric motor is drive-connected fixedly to the first pump and connected via a clutch arrangement to the second pu...  
JP6681705B2
An embodiment provides a vane pump device including a pump unit that includes a high pressure side discharge through-hole which discharges oil, and a low pressure side discharge through-hole which discharges oil; and a housing which acco...  
JP2020051256A
To achieve high efficiency and high durability and to selectively use at least one of a low pressure-side operation medium and a high pressure-side operation medium, in a brushless motor integrated pump integrally having gear pumps in tw...  
JP2020029826A
To provide a liquid pump capable of switching an operation by two pump rotors and an operation by only one pump rotor with a simple constitution.An oil pump 1 includes a shaft 2, a first pump rotor 3 and a second pump rotor 4 arranged in...  
JP6633837B2  
JP6628592B2  
JP6625867B2  
JP6625429B2
An embodiment provides a vane pump device. In the vane pump device, vane grooves of a rotor include columnar grooves which accommodate oil, and support the vanes. An inner-plate low pressure side recess portion is provided in an end surf...  
JP6621326B2
An embodiment provides a vane pump device includes multiple vanes; a rotor that includes vane grooves which movably support the vanes and which are formed with columnar grooves accommodating oil on rotation center side, and that rotates ...  
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
To provide a pressure-feeding machine capable of pressure-feeding a working medium independently to two circuits.A pressure-feeding machine includes a housing 30 provided with a first pressure-feeding passage 42, and a second pressure-fe...  
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
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 low pressure side upstream recess portion ...  
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
A pump device includes: a main pump (101) and a sub pump (102) that supply hydraulic oil to the hydraulic device (23); and a switching valve (40) that switches so as to supply the hydraulic oil discharged from the sub pump (102) to the h...  
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
A transfer device that includes a case that houses a transfer mechanism; a strainer that suctions oil stored in a lower portion of the case; a valve body that has a hydraulic supply circuit that supplies a hydraulic pressure to the trans...  
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
Thrust force generated in a drive gear is canceled out even when there is no space to provide a piston to be in contact with a central portion of a leading end face of a drive shaft.A main pump 2 of a gear pump 1 includes a main drive ge...  
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
An internal gear pump, in particular a hydraulic pump for a slip-controlled vehicle braking system, is configured to be pre-assembled. The internal gear pump includes a cartridge configured as a casing, which is configured to be inserted...  
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...  
JP2018013072A
To provide a pump device capable of selectively force-feeding cooling water and oil.In a pump device for a vehicle, a cooling water pump 30 and an oil pump 40 are connected to one electric motor 1. The cooling water pump 30 is attached t...  
JP6265008B2  
JP2018009539A
To provide a hydraulic supply device enabling reduction in the size of the device while suppressing reverse rotation of a pump section driven by an electric motor.A hydraulic supply device 10 includes: a first pump section 42 driven by u...  
JP2018501424A
This application is a system for conveying the medium which has two or more operating machines (2, 2a, 2b, 2c), One or more career shafts by which a transfer element for media (22, 32) in which an operating machine (2, 2a, 2b, 2c) should...  
JP3214115U
[Subject] A transportation-of-liquid device which makes it possible to convey two or more fluid with predetermined phase relation is provided. [Means for Solution] Drive unit 200 which generates power for driving a plurality of pumps 120...  
JP2017198144A
To achieve simplification of a structure, downsizing, low costs, and reduction of a driving load etc. in a combination pump.A combination pump includes: a housing H; a first pump unit PU1 disposed in the housing and including an inner ro...  
JP6193068B2  
JP6162434B2  
JP2017115843A
To suppress force, added to a vane by working fluid supplied to a vane groove, from being eccentric in a rotational shaft direction of a rotor.In a vane pump device of this invention, on an inside plate 500, provided are a low pressure s...  
JP2017115842A
To provide a vane pump device capable of suppressing change of a cross sectional shape of a groove formed in a covering member in repeatedly manufacturing the covering member.In a vane pump device of this invention, a vane groove of a ro...  

Matches 351 - 400 out of 1,556