| Document |
Document Title |
|
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...
|
|
JP7434932B2 |
To suppress deterioration in capacity efficiency while ensuring loading capability of a bearing more than before.A multiple gear pump includes three or more gears respectively including a rotation shaft and engaging each other in a row t...
|
|
JP2024507084A |
The fluid pump includes a housing. The delivery portion includes a delivery pump element disposed within the housing. The return portion includes a return pump element disposed within the housing. A motor is disposed within the housing t...
|
|
JP2024001776A |
[Problem] To simplify and reduce the size of a pump device and improve its functional reliability. [Solution] Rotating shaft insertion holes 13, 23, 33, 43, suction ports 15a, 17a and discharge ports 16a, 18a, a housing H defining an int...
|
|
JP7408589B2 |
According to the present invention, a pump-rotor bearing part (42) that is provided between a pump-rotor housing part (22) and a drive-shaft bearing part (24), that is larger in diameter than the drive-shaft bearing part (24), that is sm...
|
|
JP7407074B2 |
To provide a drive device of a hybrid vehicle which can achieve downsizing of the device, simplification of its structure, and reduction of the number of components while enabling oil levels of oil in a first chamber, in which an electri...
|
|
JP7389635B2 |
A working fluid supply system (100) is provided with: a first oil pump (10) and a second oil pump (11) driven by an engine (50); a switching valve (24) configured to cause a discharge passage (17) of the second oil pump (11) to communica...
|
|
JP2023549805A |
The present invention discloses a detergent dosing device and a washing machine. This detergent injection device includes a first chamber having a water supply port and a water spout, a second chamber having a liquid supply port and a li...
|
|
JP2023162999A |
To provide a pump device capable of normally supplying liquid to a first liquid supply destination and supplying liquid to a second liquid supply destination only when needed while suppressing an increase in cost.A pump device in the pre...
|
|
JP7330080B2 |
To constitute a pump unit which alleviates a force acting on a shaft even if the pump unit is of a type for driving a plurality of inscription-type pumps by using a single shaft.A pump unit comprises; a pump housing H in which a pluralit...
|
|
JP7262489B2 |
A post-mix beverage dispenser system with removable pumps is disclosed. The system includes a pump enclosure for receiving a plurality of beverage syrup pumps. Each beverage syrup pump may be easily removed from the enclosure and replace...
|
|
JP7203100B2 |
An internal combustion engine including a crank chamber housing a crankshaft connected to moving parts able to supply torque to the crankshaft, a lubrication circuit, an oil sump for collecting the lubricating oil, the engine including a...
|
|
JP2022181280A |
To constitute an electric pump that changes the speed of driving force of an electric motor and transmits it to a pump part without causing an increase in size.An electric pump comprises: an electric motor M comprising a field coil 15 ar...
|
|
JP2022161637A |
To provide a multiple gear pump or a multiple gear motor that is compact, and reduces vibration caused by discharge of hydraulic fluid.A multiple gear pump 10 includes: a first gear housing chamber 32 and a second gear housing chamber 40...
|
|
JP2022125574A |
To provide a triple gear pump that can be stably operated not only in series and parallel modes, but also in a no-loading mode.A triple gear pump is equipped with one driving gear, and first and second driven gears that respectively enga...
|
|
JP2022124700A |
To provide a novel tandem type oil pump capable of restraining a seizure phenomenon or an abrasion phenomenon on a side surface of a pump rotor of a low-pressure oil pump when the low-pressure oil pump is combined with a high-pressure oi...
|
|
JP7090185B2 |
The fluid transfer apparatus includes a rotor housing for forming a fluid compression space having the shape of an epitrochoid surface; a rotor eccentrically rotates inside the fluid compression space by being eccentrically coupled to a ...
|
|
JP2022076071A |
To provide a two liquid mixing device for mixing different two kinds of liquid, comprising a snake pump and a mixing rotor on which wear hardly occurs due to use.A two liquid mixing device comprises: a pair of storage tanks 4, 5 to whose...
|
|
JP7071419B2 |
A cooling lubrication system comprises a dry sump, an oil tank, and a pump system that operates an oil circuit in which an oil pump delivers oil from the dry sump into the oil tank, and the pump system comprises a vane cell pump and a ge...
|
|
JP2022075106A |
To provide an oil pump capable of reducing generation of vibration.An oil pump (10) comprises a rotatable shaft member (12), and a first pump unit (30) and a second pump unit (40) provided on the shaft member (12) and both capable of suc...
|
|
JP2022515604A |
Provided is a pump assembly comprising a first pump and a second pump for pumping lubricant, both of which are housed in one housing. One drive shaft is provided to drive both pumps. The first and second pumps have gears or rotors that a...
|
|
JP7008689B2 |
A dual input fluid pump system for coupling to a transmission or an engine and an electrical motor is disclosed. The system may include a first external gear, vane, internal gear, or gerotor-type pump, a second external gear pump, and co...
|
|
JP6951590B2 |
A hydraulic system has two hydraulic circuits, each with a pressure generating unit acting on an actuator unit. The generating units are slot-controlled radial piston pumps and form a pump assembly with a single common pump support and s...
|
|
JP6935334B2 |
A hydraulic pump assembly (72) comprises: a low-pressure hydraulic pump (74), a high-pressure hydraulic pump (76), and a drive shaft assembly (78) that passes along an axis of the pump assembly (72); wherein both hydraulic pumps (74, 76)...
|
|
JP6901251B2 |
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...
|
|
JP2021099046A |
To provide a pump structure that can reduce torque on an input side.A pump structure comprises a first internal gear pump 3 comprising a first rotor, a second internal gear pump 4 comprising a second rotor, one pump shaft part 5, a main ...
|
|
JP6884221B2 |
A gear pump comprises an internal gear (10), a first external gear (20) and a second external gear (30), a case member (50) having a one end side accommodation portion (52) for retaining these gears (10,20,30), an other end side accommod...
|
|
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...
|
|
JP2020525708A |
The electric pump system and its way of operation are from the pump inlet through the fluid passage defined in the mechanical pump to the hollow shaft of the motor and through the hollow shaft to the internal motor cavity defined by the ...
|
|
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 |
An embodiment provides an inner plate including a high pressure side discharge through-hole through which a working fluid is discharged from a pump chamber; an inner-plate high pressure side through-hole through which the working fluid i...
|
|
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 ...
|
|
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...
|
