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Patent Searching and Data


Matches 401 - 450 out of 1,875

Document Document Title
JP2008524512A
At least one piston element (4A, 4B) arranged through a drive (2) so that it can drive and the direction movement of Nagate in a housing (3) is possible, The piston pump (1A, 1B) equipped with the 1st pressure room (10A, 10B) divided by ...  
JP2008075537A
To provide a pulsation absorption device having no application defect caused by retention of application liquid and capable of eliminating periodic minute film thickness irregularity visually detected as lateral stepped irregularity in a...  
JP4052580B2  
JP2008039657A
To provide a small-sized effective buffer tube which smoothes pulsation in pressure and flow rate in a duct for high-temperature gas which reaches as high as 500 C or more.The buffer device for smoothing the pulsation of a duct places a ...  
JP4051337B2  
JP2008031862A
To suppress hydraulic pressure pulsation.An elastic cylindrical damper 100 constituting a main part of the invention is inserted to the inside of a filter 41. The damper 100 has hollow sealed structure made of elastomer resin, and is an ...  
JP4036153B2  
JP2007327449A
To accurately restrain reduction in a delivery quantity in the initial stage of a delivery period caused by looseness of a mechanical system, in a non-pulsation pump using a reciprocating pump. The reduction in the delivery quantity in t...  
JP2007321566A
To prevent fluid from being uselessly discharged, while accurately restraining reduction in a delivery quantity in the initial stage of a delivery period, which is generated by looseness of a mechanical system, in a nonpulsating pump. Th...  
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...  
JP3999855B2  
JP2007270722A
To provide a pulsation removing device for a fixed displacement pump by removing pulsation of the fixed displacement pump to stabilize a supply condition in a feeding destination. The pulsation removing device 20 is provided in the middl...  
JP2007263072A
To provide an oil pulsation reducing structure having excellent efficiency to discharge air in an oil chamber and capable of increasing the degree of freedom of layout of an oil passage and the oil chamber, by providing an air bleeding p...  
JP3981019B2  
JP2007170250A
To provide a small-sized pump with reduced vibration noise, in which a relatively large discharge amount is secured without enlarging the diameter of a fluid introducing pipe in a reciprocating pump.An arbitrarily constituted piston memb...  
JP3940170B2  
JP3926367B2  
JP3921522B2
To provide a compressor capable of further effectively reducing pulsation pressure in discharging cooling delivery. This compressor includes front/rear housings 200 and 300, front/rear cylinders 400 and 500 disposed in parallel between t...  
JPWO2007015429A
The present invention is compact composition and an object of the present invention even if it makes it operate with low electric power is high discharge pressure and to provide a-less pulsating flow pump with large scale. And the suctio...  
JP2006348911A
To provide a swash plate type variable displacement piston pump having simple construction for easily reducing pulsation.The swash plate type variable displacement piston pump 40 comprises a pulsation reducing device 41 mounted on an out...  
JP3892073B2
PURPOSE: To reduce delivery pressure changes of a fixed displacement pump despite of a simple and inexpensive structure, by amplifying output signals of a filter circuit which passes only frequency signal components of the delivery press...  
JP3874416B2
To provide a reciprocating pump which can smoothly close valves and surely avoid improper operation such as chattering even adopting spring type check valves with springs made of resin with less spring force expected. A pump body 3 is fo...  
JP3868199B2
To restrict pressure fluctuation by pulsation specific to a pump, enable to maintain processing precision on demand without applying a postprocess by man's hand or a machine while extremely restricting energy loss, and almost completely ...  
JP3866449B2
To dissolve noise problems by attenuating vibration of a cam ring, and the pulsation of fluid at the discharge side of this variable displacement pump, and to simplify the structure as a whole so as to for it into a compact one. A first ...  
JP2006522891A
The present invention relates to the equipment (6, 7, 8, 9, 10) and the method of attenuating the pressure fluctuation in oil pressure piping (4). For this reason, the actuator (7) which generates pressure fluctuation (13) is arranged in...  
JP2006522255A
The present invention leaves especially the piston pump (18) for the vehicle brake equipment in which electronic control is possible. The subject of such a piston pump (18) is supplying pressure required in order to change the braking pr...  
JP2006521487A
a fluid pump (20) -- especially the fuel high-pressure pump has a casing (50) and at least one low-pressure terminal area (18) by the side of a inlet. Furthermore, the inlet valve (40) and the feeding room (32) demarcated by a feeding co...  
JP2006177230A
To prevent generation of noise due to cavitation when oil temperature is low.This device is provided with a fixed displacement pump P in a casing C and a suction passage sucking working fluid from a reservoir R provided outside of the ca...  
JP3823060B2
To provide a fuel supply system capable of supplying the fuel to a fuel injection valve with a stable fuel pressure. The fuel supply system for an internal combustion engine is equipped with a fuel tank and a low pressure pump to supply ...  
JP3816993B2
To reduce the number of members combined with a center plate and the number of seal spots. In a diaphragm pump with a pulsation damper, a center plate 10 is fitted in a recessed part for fit-in formed in a side cover 12 or a side body 11...  
JP2006125367A
To perform ideal pulsating flow compensation even under high pressure and low pressure.A cam shape is set to such shape that amount of liquid feeding when a driving motor rotates at equal velocity even in a discharge start section of any...  
JP2006112340A
To provide a pressure machine having a vibration suppressing device capable of securely lowering pressure pulsation and the resulting noise by a device of small and simple structure and also lowering pressure pulsation and noise without ...  
JP3782727B2
To provide an electromagnetic pump solving either one or both the noise prevention in an oil pipe for connecting an oil tank to a device body, or/and the constant provision of stable combustion by preventing pulse combustion. This electr...  
JP2006070719A
To provide a high viscosity pump head for supplying high viscosity coating liquid or coating liquid of a system dispersed with fine particles such as fillers and microcapsules without pulsation to a coating device for applying the coatin...  
JP3772867B2
To provide an injection method and injector for a liquid plastic material which affords a stable liquid supply regardless of an increase in viscosity of the liquid plastic material, inhibits bubbling during injection and is good in produ...  
JP2006046150A
To provide a pressure pulsation reducer capable of reducing pressure pulsation of pressure oil discharged from one discharge pressure port of a hydraulic pump and of reducing noise accompanied by the pressure pulsation.Pressure oil disch...  
JP3767268B2
To save a material cost, to improve a processing property, and to reduce a manufacturing cost by making a first member from a stainless steel and making a second member from a plated low-carbon steel in a low pressure damper welding port...  
JP2006504521A
The present invention relates to the method and equipment for desalting especially sea water continuously in order to desalt water continuously by the reverse osmosis which operates with an above-mentioned membrane module. According to t...  
JP2006029189A
To provide a multi channel pump provided with a plurality of flow out path for delivering fluid and capable of precisely discharging appropriate quantity of fluid.The multi-channel pump 1 is provided with a pump chamber 2, a flow in path...  
JP3761754B2
To prevent a depositing material from staying and accumulating in the liquid compartment of a pump even if transfer liquid containing a depositing material such as slurry is used. A barrier 7 such as an axially reciprocating bellows, dia...  
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 ...  
JP3709409B2  
JP2005283010A
To resolve problems in reducing pressure pulsation of fluid wherein a large space is necessary for expansion of the fluid, or the like, and a pressure loss becomes large.The pressure pulsation reducing device is provided with a passage p...  
JP3725637B2
To restrain pulsation, and effectively prevent vibration and a noise by setting a length of a notch groove extending in the circumferential direction toward the directional control valve part side from the starting end of a delivery port...  
JP2005522640A
This indication is related with the oil pressure damper for decreasing the pressure vibration and/or sound vibration in the equipment which is operating by pressurization fluid. The oil pressure damper possesses the damper housing (1), a...  
JPWO2003079000A1
本発明は、混合比が変化するような送液の場 合でも、正しい混合比で送液することができ るグラジエント送液用ポンプシステムを提供 することを目的とする。具体的には、ポ...  
JP2005147756A
To provide a liquid feed pump device for stably performing liquid feed even if the amount of liquid fed is very little.An adjustment flow path 40 is provided and connected in parallel with first and second pump mechanisms. The liquid fed...  
JP2005120947A
To reduce pulsation by reducing differential pressure between internal compression pressure and discharge pressure.Adjacent compression chambers 10a, 10b are communicated with each other in the axial direction of rotors 1, 2. Thus, the a...  
JP2005117889A
To provide a nobel motor and pump complex capable of reducing noise.This motor and pump complex (10), especially for a vehicular servo steering device, has a motor and pump unit (14) and an outer housing (12) surrounding the motor and pu...  
JP2005510342A
Two or more ingredient pro portioners (10) are both of ingredients (or). By distributing three all simultaneously (to beginning [At least] ), if there are three ingredient materials, and determining of which ingredient the pump (12) reac...  

Matches 401 - 450 out of 1,875