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Patent Searching and Data


Matches 851 - 900 out of 1,515

Document Document Title
JPH07197889A
PURPOSE: To reduce cost by preventing the generation of vane bouncing noise owing to dislocation of a vane from a cam ring through simple structure. CONSTITUTION: A communicating hole through which a closed part and a vane back pressure ...  
JPH0729263Y2  
JPH07167079A
PURPOSE: To decrease the length of a feed passage between an inlet port and an outlet port for a rapid feed pressure buildup so as to reduce the rate of generation of cavitations by forming the feed passage to have a cross-sectionally re...  
JPH07167066A
PURPOSE: To improve the number of occurring times of cavitation of an oil pump having two pump cartridges. CONSTITUTION: A pump body 2 is provided at its interior with two pump cartridges 8 and 10 of the one being a main pump cartridge a...  
JPH0726366Y2  
JPH07151070A
PURPOSE: To suppress inside leakage which is caused by a pressure difference, so as to improve a volumetric efficiency by connecting an auxiliary pump to the suction port side of a gear pump, and interposing a pressure regulator for regu...  
JPH0754139B2  
JPH0723593Y2  
JPH07139447A
PURPOSE: To seal a control circuit unit by arranging an inner cylinder which determins a fuel passage in a housing, enclosing its one end by a holder plate, and forming resin sealing parts around the inner cylinder and the holder plate t...  
JPH07504253A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH0735793B2  
JPH0724539B2  
JPH0771390A
PURPOSE: To suppress radiation of noises from a motor/pump housing into the atmosphere and suppress vibration directly transmitted from the motor housing to an underlying pump/motor assembly supporting structure by embodying both of nois...  
JPH0754782A
PURPOSE: To improve efficiency of variable control and facilitate working by forming a valve guide hole orthogonal relating to an axial line in a radial direction of an intermediate partitioning plate passing through a passage of connect...  
JPH075266Y2  
JPH075265Y2  
JPH078583U
[Objects of the Invention] A torque loss is lessened. Generating of a cavitation is prevented. It is considered as a simple structure where electronic parts etc. are not used. [Elements of the Invention] To Behn's 10 side edge part, side...  
JPH074888U
[Objects of the Invention] While the direction of the power output section which is electric and determines the direction of fluid by equipping a channel diversion valve in a manual simple pump has been in a fixed state, a suction part a...  
JPH06346810A
PURPOSE: To provide a multi-stage automobile fuel pump for supplying gasoline or other light hydrocarbon fuel to a spark ignition type internal combustion engine. CONSTITUTION: This multi-stage automobile fuel pump 10 is provided with a ...  
JPH06341393A
PURPOSE: To provide a motor-driven pump provided with a turbine driven by a high pressure fluid and suitably applied for pumping of a fluid, especially a laden fluid. CONSTITUTION: A motor-driven pump 1 is provided with a pivot sleeve 15...  
JPH0648155Y2  
JPH0697038B2  
JPH0694805B2  
JPH0645668Y2  
JPH06317229A
PURPOSE: To provide a fuel pump and constituting method therefor in which reworking and scrapping after a general assembly can be preliminarily avoided by preliminarily testing each of a pump action part and a motor part of a modular aut...  
JPH0643510Y2  
JPH0676672U
[Objects of the Invention] The purpose of this device is to provide the multi-連 gear pump which made unnecessary conventional spacers 4 and 5 and coupling 12 and 13 which were shown in Drawing 2, and shortened the direction length of a...  
JPH0639117Y2  
JPH06280755A
PURPOSE: To improve pump discharge efficiency and responsiveness by performing bleed of air in a pressure operating chamber. CONSTITUTION: Positioning pins 41 and 42 are extended through the outer peripheries of side plates 32 and 33 and...  
JPH06280756A
PURPOSE: To prevent the occurrence of pulsation owing to air bubbles in working oil and prevents temperature rise by disposing a displacement switching valve to switch one hydraulic pump to a delivery state and a circulation state and an...  
JPH06280777A
PURPOSE: To increase a sucking tolerance of a centrifugal fuel pump by turning incomming fuel away to a side direction, and to substantially prevent a backflow of fuel to an inlet passage. CONSTITUTION: A baffle plate 116 is disposed bet...  
JPH06264874A
PURPOSE: To provide a composite pump having a small energy loss and a low manufacturing cost and suitable for driving the auxiliary machine of an automobile. CONSTITUTION: When the discharge quantity of oil exceeds a specific value, a tw...  
JPH0671405B2  
JPH0634632Y2  
JPH0634633Y2  
JPH06229379A
PURPOSE: To arrange a suction passage and a discharge passage to both pumps in end members completely related to each other by supplying fluid to both cartridges in parallel and by connecting to the both pumping operating cavities in par...  
JPH0658186U
[Objects of the Invention] Without making uniform the conditions of supply of the viscous fluid to the ON side space of the engage part with which sun gear and an epicyclic gear mesh, and producing printing, many ports are formed and flu...  
JPH0649781U
[Objects of the Invention] Provide the vane pump which can aim at improvement in the suction characteristic at the time of a high velocity revolution at the same time you make it possible to raise the suction characteristic at the time o...  
JPH06505330A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH0622149Y2  
JPH0637583U
[Objects of the Invention] The tandem pump which can assemble a housing without changing the spool accommodation hole of a flow control valve is provided. [Elements of the Invention] In a tandem pump which has arranged front body 2 and r...  
JPH0637582U
[Objects of the Invention] The tandem pump which can prevent a rotor center from carrying out eccentricity to a cam ring center mechanically is provided. [Elements of the Invention] In a tandem pump which stored two or more sets of pump ...  
JPH0633778B2  
JPH0631621B2  
JPH06108981A
PURPOSE: To simplify structure, heighten sealing performance and durability and aim at large capacity, that is, compactness in a fluid pressure pump/motor provided with a rotary rotor. CONSTITUTION: A rotor accommodating chamber 5 of cir...  
JPH06101658A
PURPOSE: To set a check valve operated when a first pump becomes the discharge state to the small-flow resistance state when the discharged oil from the first pump flows. CONSTITUTION: A check valve 1 is provided in an intermediate side ...  
JPH0674013A
PURPOSE: To simplify the manufacture of an oil pump. CONSTITUTION: Oil pump manufacture is simplified by providing a pump body with a planar unstepped face and achieving radial location by the provision of a bush 22 on a pump driven shaf...  
JPH0617672B2  
JPH0613869B2  
JPH0612781U
[Objects of the Invention] Discharge of almost an equivalent amount of pressure oil is made possible to a 2-way by one set of a gear pump. [Elements of the Invention] While cutting symmetrically in a main part case a housing which dedica...  

Matches 851 - 900 out of 1,515