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Matches 501 - 550 out of 1,505

Document Document Title
JP4122398B2  
JP4115548B2  
JP4099337B2  
JPWO2006033207A1
主オイル供給路9内の圧力が無負荷運転開始 圧よりも小さいときには、副オイル供給路1 0内の圧油はスプール20の内部流路21を 通過して主オイル供給路9内に流入する...  
JP2008512595A
A pump is formed from the housing (10) equipped with the discharge mouth (12) which carries out discharge of the admission port (11) connected with a dietary source of liquid, and the attracted liquid. The rotor (15) can go the inside of...  
JP4065721B2  
JP2008045482A
To provide a valve structure for a tandem pump of good operability with a simple structure.When pressure in a main liquid feed passage 5 is lower than non-load operation start pressure, an auxiliary liquid feed passage 6 is connected to ...  
JP4038740B2  
JP4035742B2  
JP4023969B2  
JP4019694B2  
JP2007315211A
To provide a gear pump which can reduce the pulsation of discharge. A piston 40 repeats the reciprocation according to the turning angle of a cam 32. As a result, the volume of a discharge port 27 is varied. The cam curve of the cam 32 i...  
JP4013246B2  
JP4005035B2  
JP3985023B2  
JP3982115B2  
JP2007177687A
To provide a tandem trochoid pump capable of preventing a spacer eccentric to a drive shaft from sliding and rotating with accompanying rotation of each pump structure.In the tandem trochoid pump, the drive shaft 3 transmitting drive for...  
JP3971369B2
To further improve a motor pump unit of a conventional structure with relation to manufacturing cost and necessary space especially. This motor pump unit is provided with at least two internal gear pumps respectively including a small ge...  
JP3960517B2
To provide an oil pump structure in which the influence of the pulsation of oil upon a relief valve is reduced and, thus, the operation of the relief valve is stabilized. In the oil pump structure, a bent part 11 for changing the flow di...  
JP2007127071A
To effectively prevent wear of a bearing and a shaft end part of a drive shaft in a two stage pressure boosting type internal gear pump even when the same is used for pressurizing a liquid containing a lot of contamination in the liquid ...  
JP2007125930A
To provide a vehicle brake device equipped with a pump body having structure capable of easily machining a suction port.The suction port 62 is formed by expanding a third central hole 72c formed on a third cylinder 71c to the diameter of...  
JP3922120B2
To provide a method for manufacturing a tightening joint member, capable of generating a prescribed load by adjusting a position, and realizing time reduction for the position adjustment. This method is to manufacture the tightening join...  
JP3915241B2
To satisfactorily drive pumps in a pump device which has the plural rotational pumps by suppressing flexure of a driving shaft even when high pressure at discharge ports is applied to the driving shaft. In this pump device 100, a rotatio...  
JP3911135B2
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 ...  
JP3872104B2  
JP3899785B2
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...  
JP3876128B2
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...  
JP3875734B2
To install a fuel pump for motorized vehicles in a motor compartment so that it is easily accessible for maintenance and repair and reduce its cost by constructing it from one pump unit of a multiple pump. A multiple pump 2 consists of a...  
JP3874154B2
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 pa...  
JP2006283573A
To provide a multiple pump device capable of easily centering between connecting both pump members, while reducing processing manhours and processing cost of a connecting part of the pump members.In this multiple pump device, rotation tr...  
JP3861835B2
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...  
JP2006250153A
To prevent abnormal abrasion in wall faces of a pair of gears 52 and a gear chamber, in a driving part of the pair of gears of a crankshaft or in gear curve parts of the pair of gears caused by twisting and rotary motion of the pair of g...  
JP3851680B2
To provide a multiple gear pump in which the first body and the second body can be positioned to a plate without any increase in costs or any increase in the size of the device. The end part of the first drive shaft winding bush 6a posit...  
JP3848696B2
To reduce processing part by forming a through hole comprising a spline hole part and a hollow part of a larger diameter than that in an axial direction in a driven shaft of a first gear pump, and splinefitting a drive shaft of a second ...  
JP2006517634A
The present invention relates to the combination pump which has the 1st pump and 2nd at least one pump.  
JP3829824B2
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...  
JP2006170149A
To provide a tandem type oil pump capable of improving vehicle installing performance by shortening the length in the shaft direction of a pump.This tandem type oil pump has a housing body 1, a pump cover 2 for sealing an opening part 1a...  
JP2006170148A
To provide a tandem type oil pump for merging after being straightened, without collision of lubricating oil delivered from both pumps.This tandem type oil pump has a spacer 3 between a first trochoidal pump 4 and a second trochoidal pum...  
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 ...  

Matches 501 - 550 out of 1,505