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Patent Searching and Data


Matches 501 - 550 out of 1,363

Document Document Title
JP2002371972A
To provide a combination pump using a driving source for only rotations of a driving shaft and having a second discharge port capable of selectively discharging fluid in addition to a first discharge port discharging the fluid following ...  
JP2002354764A
To provide a drive unit having an enlarged utilization region. In an electro-hydraulic drive unit that is of a type provided with an electric motor and a hydraulic pump driven thereby, at least another one electric motor 2 is installed i...  
JP2002349453A
To prevent a hydraulic fluid leaking from one hydraulic pump from penetrating into a pump function part of the other hydraulic pump. The pump device comprises one motor 2 disposed in the center, two hydraulic pumps 1 and 3 that sandwich ...  
JP2002340159A
To provide a compact and efficient oil pump device.A rotary shaft of an oil pump motor 50 is extended in both sides thereof, and a power steering oil pump 52 and an oil pump 54 for ATF are fitted to both the ends. With this structure, on...  
JP2002539377A  
JP3345713B2  
JP2002317774A
To provide a hydraulic system, particularly, an oil pressure changer for the hydraulic system.The oil pressure changer for controlling a hydraulic oil pressure and a flow rate for a hydraulic device comprises first and second variable fl...  
JP3363472B2
PURPOSE: To provide a double vane pump preventing the generation of cavitation in a common passage so as to enable the high-speed rotation of the pump and also preventing the lowering of pump durability at the time of increasing the rota...  
JP2002535538A  
JP2002303160A
To inhibit the rise of temperature of the fuel even when the consumption of fuel is small comparing to the rotating speed of an engine.Plural booster parts 28, 29 are selectively connected in parallel or in series.  
JP2002533621A  
JP2002276658A
To provide a pump device having a simple structure and a bearing structure dispensing with a lubricating material.A refrigerant (liquid ammonia) channel 2 communicating a suction port 33 and a delivery port 43 is formed in a housing 3 an...  
JP2002266613A
To provide a device structure in a lubricating device provided with a triple oil pump and its manufacturing method miniaturizing and compactifying an oil pump, shortening an oil pump attaching part size, facilitating assembly work of the...  
JP2002529645A  
JP2002529644A  
JP2002239433A
To provide a high viscous fluid applying apparatus capable of controlling coating quantity with high precision.A discharge nozzle 90, a nozzle rotating apparatus 92, a screw pump 94, a screw rotating apparatus 96, an adhesive supply appa...  
JP2002527266A  
JP3316538B2  
JP2002221101A
To more idealistically emulsify a diesel fuel and avoid a bad influence of water separation at the time of stopping a diesel engine, as to the improvement of the diesel engine of a fuel supply type.In an emulsifying device 15 for fuel to...  
JP2002221164A
To provide a multifunction and high-reliability movable vane type rotating device capable of realizing output characteristics such as one or more kinds of discharge amounts and discharge pressure, and handling two or more kinds of fluids...  
JP2002522696A  
JP2002202018A
To reduce sliding resistance (friction loss) of an outer gear to a pump easing of a trochoidal gear type fuel pump and reduce the pulsation of delivery pressure.Two inner gears 25, 26 are disposed with a partition wall 28 sandwiched betw...  
JP2002202071A
To increase feeding liquid quantity in case of low pressure in a pressure side of a first gear feed pump and prevent feeding liquid quantity from increasing more in case of sufficiently high pressure in the same.A gear feed pump 60 is ar...  
JP2002195165A
To provide a variable displacement pump capable of reducing both of driving horsepower and slide loss horsepower of the variable displacement pump by a simple structure.A main pump 11 rotates and drives a main pump rotor 22 to suck worki...  
JP2002195168A
To provide a trochoid pump capable of preventing the reduction of pump efficiency while suppressing the occurrence of a vapor lock phenomenon based on the rise of fuel temperature.This trochoid pump is constituted such that a deaeration ...  
JP2002188580A
To simplify piping, to save a space for the same, to facilitate maintenance and inspection, to simplify a pump structure and to reduce costs in a twin integrated gear pump.Two pump bodies wherein main driving shaft gears 3a, 3b and drive...  
JP2002161870A
To provide a multiple gear pump capable of performing running-in operation independent per pump and a shipment test.In this multiple gear pump, individual pumps A1, A2 and A3 are tightened by four pump tightening bolts separate from a th...  
JP2002119839A
To provide a method of easily mixing reaction components and a metering and mixing device having a simple structure and made inexpensive in the continuous operation.At least one component is passed through a tube pump as a forcibly feed ...  
JP2002120552A
To provide a power generating and moving system simplifying a control structure and reducing the power consumption.An engine Eg is operatively connected to a motor generator MG and a compressor CP via a power transmission mechanism PT. I...  
JP2002089217A
To provide an oil pump structure capable of miniaturizing and lightening the whole device and improving the pumping efficiency by solving problems that when a relief valve is integrated with a cover of the oil pump, the cover is enlarged...  
JP2002087236A
To improve pump efficiency when using rotary pumps for controlling brake fluid pressure.Slit parts 90a to 90d are formed on the outer periphery of first to third cylinders 71a to 71c opposedly to the delivery side of the respective rotar...  
JP2002070757A
To provide a gear pump wherein the discharge capacity is made variable according to a load.In a casing, a driving gear and two driven gears biting each other to the driving gear are accommodated, and a main body 10 (double gear pump) of ...  
JP2002048023A
To reduce sliding resistance of an outer gear of a trochoidal gear type fuel pump, and to reduce noise of the pump by delivery pressure pulsation.Two inner gears 25 and 26 are eccentrically arranged on the inner peripheral side of the ou...  
JP2002039077A
To provide a structure where wave-like blade pumps are multiplied by overlapping in tandem (as skewered).An overlapping width is decreased by forming more than one pumping chamber 5 with overlapping more than one common casing 23 having ...  
JP2002018853A
To provide a new method for transporting a flowable reaction component of a reaction mixture.Gear pumps (3, 4, 5) connected in series from a storage container to a high pressure mixing head are used to transport the flowable reaction com...  
JP2001355579A
To improve an oil pumping ability even when widths between rotor housings and rotors are wide.A trochoidal oil pump 47 is driven by an engine 6, feeds lubricating oil to the engine 6, and recovers excessive lubricating oil of the engine ...  
JP2001328450A
To reduce the number of part items and assembling man-hours by disusing a pump casing and a shim in a hydraulic coupling device of a power transmission for a four-wheel drive vehicle.A pair of left and right first side covers 30L, 30R, a...  
JP2001521097A  
JP2001295774A
To provide a structure of pluralizing rotors of a wave blade pump. A plurality of wave blade rotors 5, 6 are disposed on one rotary shaft 1, a partition plate 7 is disposed between rotors so as to form a plurality of pump chambers 8, 9. ...  
JP3221672B2  
JP2001516414A  
JP2001241391A
To reduce slide sound generated by sliding of a partition member and a rotor pair, and reduce friction torque loss in a fluid pump.In a casing 21 of the fluid pump 20 parted into a first casing 22 and a second casing 23, plural rotor pai...  
JP2001240390A
To provide a hydraulic circuit of low fuel consumption reduced in rise of an oil temperature.Hydraulic pumps for a working vehicle and for steering, which are used in common in the prior art, are provided individually inside an integrate...  
JP2001234872A
To prevent vibration caused by resonance at an oil feeder with a plurality of pumps and their driving motors of the same specifications installed on an oil tank.The main oil pump driving motor 5 and the auxiliary oil pump driving motor 6...  
JP3218231B2
To loosen pulsation by respectively regulation stroke of pistons, and arranging control means for regulating a liquid rate respectively discharged by pistons at the time of a pump cycle. Two sapphire pistons 10, 20 of two pump units are ...  
JP3213465B2
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...  
JP2001193671A
To provide a multiple gear pump/motor shortened in the axial direction. The gear pump/motor A2 on the rear cover side 10c of a casing is structured so that a projection 11c extending from a drive gear shaft 11a is at least fitted in a dr...  
JP2001173574A
To provide a double-gear pump capable of further reducing pressure pulsation.This double-gear pump of a low pulsation type is provided with two sets of a pair of meshing gears 2-5, and the gear meshing phase in each set is shifted. In th...  
JP2001159393A
To suppress the occurrence of a state resulting in an operating failure by the sticking of dried-solidified liquid even in the case of delivering liquid solidified by drying.Water soap in a tank is sucked from a suction port 60 of a gear...  
JP2001140783A
To increase the rigidity strength of the coupling of upper and lower eccentric parts, to prevent the occurrence of elastic deformation of a rotary shaft, and to improve reliability of a rotary compressor. A two-cylinder type two-stage co...  

Matches 501 - 550 out of 1,363