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Matches 501 - 550 out of 1,467

Document Document Title
JP2006161616A
To provide a tandem type trochoid pump capable of improving workability during assembling without increasing the size of a housing, and also to provide a method of manufacturing the tandem type trochoid pump.The tandem type trochoid pump...  
JP2006138294A
To provide a lubricating device comprising a firs pump for feeding oil from an oil tank and a second pump for feeding the oil stored in the oil tank to parts to be oiled, having a smaller size and a greater discharge amount per rotation ...  
JP2006125239A
To provide an small-sized oil pump ensuring reliability by preventing a non-lubrication condition in the oil pump having possibility of sucking air from a suction port.In this oil pump 100 having a housing 30 forming a first cylindrical ...  
JP2006115686A
To provide a fluid pressure device, in which cooling of a motor is improved, for offering auxiliary power to a vehicle.The fluid pressure device that offers the auxiliary power for a vehicle comprises a fluid circulating system, which ha...  
JPWO2006033207A
When pressure in the main oil supply route 9 is smaller than running light starting pressure, pressure oil in suboil supply route 10 passes internal channel 21 of spool 20, and flows in the main oil supply route 9. At this time, discharg...  
JP3773370B2
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...  
JP3770023B2
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...  
JP3760297B2
To provide a combined gear pump with a first gear pump and a second gear pump, in which hydraulic oils of different properties can be treated without mixing. A first internal gear pump 1 is constituted by accommodating a ring-shaped firs...  
JP3760298B2
To provide a combined gear pump with a first gear pump and a second gear pump, in which hydraulic oils of different properties can be treated, and can prevent free fall of the hydraulic oil of the first gear pump that results in mixing w...  
JP2006502314A
The present invention relates to the equipment and the method for supplying liquefied coloring material in polymer 溶融物. For this reason, the 調量 pump which has the amount entrance of 調 and a 調量 exit is formed. The 調量 e...  
JP3750719B2
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 integrat...  
JP2005344588A
To provide a pump device capable of preventing leakage of working fluid into outside at the time of assembling in a shipping destination, and preventing various failure accompanied by the leakage.In this pump device, a reduction chamber ...  
JP2005330969A
To provide a pump-to-pump coupling that is tough and simple.Related to a device and a method for pumping fluid, this device comprises a first pump formed of a first housing, and the first pump is provided with a first primary shaft insta...  
JP3738376B2
To provide a composite vane pump to suppress lowering of durability and assembly workability of a sealant and reduce size and weight. A composite vane pump is formed such that the main part 12a side of the first drive shaft 12 of a first...  
JP3739644B2
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...  
JP2005533216A
The 1st component (20) is related with the capacity type rotation screw assembly which encloses the 2nd component (10) including the main part (30) in which the present invention has the principal axis X and two components (10, 20). As o...  
JP2005533215A
In order to use more efficiently the structure capacity of a rotated type positive displacement screw assembly, In each set, two or more sets (80, 70; 60, 50) of a female element with the internal screw surface which makes rotational mov...  
JP3734383B2
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 ...  
JP3734622B2
To provide a multiple pump having three or more systems of oil pressure sources respectively having different discharge amounts in one small and compact cylinder block without impairing of sucking performance in its piston pump. This mul...  
JP3731927B2
To enable an delivery of a gear pump to be switched arbitrarily by providing a rod member allowed to rotate in one body with the second drive gear shaft out of the first and the second drive gear shafts and to make movement in axial dire...  
JP2005282485A
To provide a tandem vane pump not requiring to use a high cost ball bearing.A body B is provided with a front pump mechanism P1 and a rear pump mechanism P2. Drive shafts 4, 5 of the both pump mechanisms P1, P2 are separated and the driv...  
JP3728377B2
To drive each pump interposed in a paint supply system of each color paint by a small motor of comparatively small torque and easily increase pumps according to the number of color of paint. Revolution of a motor 2 for driving pump is tr...  
JP2005273461A
To reduce pulsations in a tandem vane pump equipped with a pair of pump mechanisms P1, P2.In a composition of a tandem vane pump, a pair of pump mechanisms P1, P2 formed by assembling cam rings 4, 5 in bodies 1, 2 and incorporating in ea...  
JP2005273648A
To provide an electric pump equipped with inscribed-type pump, and capable of increasing a life span.The electric oil pump 10 comprises a stator 13 in which a core 14 being enwound by a coil 15 is embedded; a cylindrical permanent magnet...  
JP2005529279A
The present invention is equipped with the internal gear pump which has a pump component including the accommodation body (3) of a liquid pressure operation component, and the pinion and internal gear joint object which are arranged betw...  
JP2005528559A
The gear box (21) arranged between the 1st and 2nd cylinder blocks (100, 200), The gearing means (1) arranged in the above-mentioned gear box (21) so that it may connect with the drive shaft (13) of a motor (11), Four eccentricity shafts...  
JP3723408B2
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...  
JP2005233421A
To provide a charge pump which meets pressure requirements of a charge circuit and a auxiliary circuit with minimum power loss.A charge pump having two independent outlets being capable of meeting pressure requirements of both a charge c...  
JP3712817B2
To provide a composite type gear pump that is easy to set up the optimum specifications of an external gear pump, and beside, there is no fear of abrasion and seizure happening. This composite type gear pump is so constituted hat an exte...  
JP2005220872A
To provide a gear pump or motor which solves the problem that the use of a gear with a helical tooth form prevents vibration or noise from being generated but makes the generation of thrust force require to hold the gear firmly, particul...  
JP2005220910A
To provide an oil pump for an automobile transmission which has improved efficiency over all operation ranges and in which a discharge flow rate preferably has no relation with speed of an internal combustion engine.In the oil pump for t...  
JP3705680B2
To obtain a high output though forming in compactness, in a hydraulic unit including a hydraulic pump driven to rotate in a single direction of rotation. A hydraulic unit is applied to a power steering device A mounted in a vehicle. In o...  
JP2005201215A
To provide an extruder with a gear pump which is excellent in responsiveness during revolution, which is reduced in cost and which can cool the material.In the extruder with the gear pump, the gear pump includes a drive pinion arranged c...  
JP3691761B2
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...  
JP3688535B2
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...  
JP2005133716A
To provide a variable displacement vane-type fluid pump which permits improved regulation of the pump discharge such that the pump can meet the various requirements of lubrication for an internal combustion engine at all speeds with mini...  
JP2005113894A
To materialize reduction in pulsating pressure and improvement in assembly working efficiency by minimizing expense in time and effort in complicated control of deviation between rotors when assembling both rotors in a driving shaft.Widt...  
JP3667034B2
To reduce pulsation when oil is delivered in an motor driven pump equipped with a suction chamber sectioned by engagement of a driving gear and a driven gear, by arranging a noise damper cylinder which is fixed to a housing supporting bo...  
JP3627119B2  
JP3653353B2
To provide a scroll compressor which can execute dual system oil supply without increasing the number of part items, and is excellent in lubricating characteristic at a low cost. An oil pump 601 comprises a housing 607 having a first slo...  
JP2005042627A
To provide a gear pump which can reduce a loss torque during an operation.The gear pump of an inscribed gear pump includes first, second housings 1, 2 having a pump chamber 3 communicating with an intake port 3a and a discharge port 3b, ...  
JP2005036656A
To improve the volumetric efficiency of a pump with relatively high operating frequency.This gear pump 100 includes tip seals A1, A2 formed between the tooth 3t of a drive gear 3 and a casing 1 to reduce an amount of fluid leaked from a ...  
JP2005023834A
To provide a multiple hydraulic gear pump enabling effective commonization of a shaft member used for a gear shaft and avoiding enlargement of a whole pump.When gear pairs composed of a pair of drive gears 1c, 2c, 3c and driven gears 1e,...  
JP2005016514A
To provide a feed pump 3 improving pump performance by reducing side clearances in an axial direction at both sides of a pump element PE.The feed pump 3 as this fuel supply device is constructed in such a manner that an outer rotor 22 an...  
JP2005016307A
To provide a variable displacement gear pump in which the mechanical efficiency of the most frequently operated gear pump can be improved.The variable displacement gear pump 1 is provided with a drive gear 20 in a casing 10, and a plural...  
JP3635671B2
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...  
JP2005002869A
To provide a fuel injection pump absorbing inclination of a camshaft 4 caused by pump force-feed load and inclination of the camshaft 4 in assembly without increasing the number of parts, and prevent increase in size of a feed pump 2.In ...  
JP2005002894A
To change delivery capacity with reducing surplus discharge.Discharge carried into a delivery port 72 from an intake port 52 is smaller than that of a first driven gear 101 side by q2 per a space between two teeth of a driven gear. Disch...  
JP2004360677A
To solve the following problem with a conventional coolant pump: a boundary friction state is made to damage a bearing surface because of the use of an expensive bush in a bearing which does not have such a structure as to positively flo...  
JP2004301044A
To provide a fuel injection pump provided with a feed pump for preventing deformation of a pump plate 26 without making thickness of the pump plate 26 thick.In the pump plate 26 of the feed pump, an inlet port 26b and an outlet port 26c ...  

Matches 501 - 550 out of 1,467