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JP2002276658 |
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...
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JP2002266613 |
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...
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JP2002239433 |
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...
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JP2002221101 |
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...
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JP2002221164 |
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...
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JP2002202018 |
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...
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JP2002202071 |
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...
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JP2002195165 |
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...
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JP2002195168 |
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 ...
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JP2002188580 |
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...
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JP2002161870 |
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...
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JP2002119839 |
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 ...
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JP2002120552 |
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...
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JP2002089217 |
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...
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JP2002087236 |
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...
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JP2002070757 |
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 ...
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JP2002048023 |
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...
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JP2002039077 |
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 ...
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JP2002018853 |
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...
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JP2001355579 |
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 ...
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JP2001328450 |
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...
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JP2001295774 |
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. ...
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JP2001241391 |
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...
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JP2001240390 |
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...
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JP2001234872 |
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...
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JP3218231 |
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 ...
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JP3213465 |
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...
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JP2001193671 |
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...
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JP2001173574 |
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...
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JP2001159393 |
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...
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JP2001140783 |
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...
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JP2001140770 |
To provide a small high pressure liquid transmitting pump having a compact size, a simple structure, excellent transmitting performance, and excellent maintainability, allowing excellent layout in a factory. The structure of this gear pu...
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JP2001140769 |
To provide an eccentric screw pump with a single shaft suitable for long distance transfer and capable of preventing occurrence of a water hammer phenomenon by gradually reducing the speed of a rotor for stopping so as not to suddenly st...
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JP2001140613 |
To reduce the number of parts by driving an oil pump with a simple structure. An oil pump 40 composed of an oil supplying pump 41 and an oil recovering pump 42 is disposed on a lien extended from a crankshaft 21, a joint member 24 dispos...
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JP2001080498 |
To bleed pump devices in vehicular brake systems of air in appreciable fashion. A drive shaft 54 is arranged in a horizontal position, and a plurality of rotary pumps 10 and 13 are disposed with their discharge openings 61 and 63 and suc...
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JP2001020873 |
To easily assemble a motor-driven pump and to exchange a tank cylinder by a part unit by fitting an opening side end part of the tank cylinder into a recessed groove formed on the supporting surface of a pump main body on one surface of ...
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JP2001020890 |
To suppress the occurrence of cavitation to the suction side of a pump and to perform quiet operation through reduction of the generation of cavitation noise.A branch body 6 positioned opposite to the opening of a return pipe 50 communic...
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JP2000333426 |
To reduce transmission of vibration between a stator and a base. In this motor A34, a plurality of members that can elastically bend are arranged between a base (tubular stem) 108 and a stator 100, in order to reduce the transmission of ...
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JP2000289078 |
To realize high-precision hydraulic drive control as well as reduction of energy loss and electric power consumption, by controlling a required flow rate of hydraulic oil through selecting plural hydraulic pumps for a required hydraulic ...
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JP2000265975 |
To achieve miniaturization, reduction of cost and improvement of efficiency, in a gear pump having externally provided teeth to be meshed with each other to form a pump part and a driven part, a fuel supplying device, and a gear motor. I...
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JP3107646 |
PURPOSE: To reduce the power needed, reduce the loss due to friction and reduce the structural size. CONSTITUTION: A drive wheel 12 is arranged on a crankshaft 20 protruding from an internal combustion engine 8. The rotation of the drive...
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JP2000220581 |
To reduce costs by reducing the number of part items for a hydraulic pump incorporating a relief valve and the number of assembling man-hour. A pump housing 2 housing a pair of gears for performing a suction/discharge operation is provid...
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JP2000205148 |
To form the wall surface of a pump chamber with high precision by combining a plurality of block pieces about the axial line of a rotating shaft with a plurality of bulkheads for partitioning adjacent pump chambers to constitute a rotor ...
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JP2000192890 |
To prevent shortage of a discharge amount of a pump of a smaller discharge amount, even if the discharge amount is different between a front pump and a rear pump. One pump is made to have a discharge amount than that of the other pump. O...
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JP2000186679 |
To supply oil stably to both pumps in a double pump. Gear mechanisms 1, 2 are prepared by meshing teeth of a pair of gears with each other. The gear mechanisms 1, 2 are respectively housed in front and rear pump chambers independently pr...
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JP2000179467 |
To make a driving shaft thinner, to prevent an uneven abrasion of a seal member of the driving shaft and to increase a discharge quantity by a simple constitution in a gear pump.A plurality of driven gears 30 engaged with a driving gear ...
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JP2000161243 |
To improve volume efficiency by integrally manufacturing a driving shaft and at least a high pressure side external teeth gear in a multistage internal gear pump communicating a delivery port of a low pressure side pressurizing space wit...
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JP2000154791 |
To compactly constitute an electric pump integrally furnished with a pump body, an electric motor for driving and a damper chamber to reduce pulsation of discharge oil.A ring recessed part 20 having an opening on the side facing against ...
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JP2000130359 |
To provide a small, light-weight and highly reliable heat carrying device having a structure suited to an air conditioning system using refrigerant. This device is provided with a hermetically sealed case 11, an external gear pump mechan...
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JP2000097144 |
To provide a two-stage rotary vane motor capable of efficiently converting mechanical energy from a variable current of expanding lower temperature gas even under low rotational speed.The two-stage rotary vane motor is provided with hous...
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