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Patent Searching and Data


Matches 701 - 750 out of 1,875

Document Document Title
JPH09291878A
To improve sound vibration performance and volumetric efficiency by making the delivery stroke of a radial piston pump follow an accurate sign curve. An eccentric cam 9 formed on an input shaft is arranged in an intake chamber 5 communic...  
JPH09287557A
To absorb pulsation flow without requiring large capacity by providing pulsation smoothening damper members capable of changing volume by pressure variation of fluid on the discharge side of a reciprocating type pump sucking and discharg...  
JPH09287556A
To enable smooth shifting of a differential of a vehicle which is used, for instance, for a locking system from a free to locked condition by suppressing occurrence of erroneous operation of a pressure switch at the operation of a pump p...  
JPH09510764A
(57) The pump which can be adjusted to a summary electricity liquid pressure type is operated in the closed justification circuit. For this reason, load of the regulation piston of the regulation mechanism of a pump is carried out by the...  
JPH09280163A
To continuously transport liquid, by using a pulse pressure generating means 20. A pulse pressure generating means 20 is connected to one side opening end 22a of a branch pipe 22. The other side opening end 22b of the branch pipe 22 is c...  
JP2551717Y2  
JPH09273484A
To provide a discharge pressure fluctuation reducing device for an inexpensive fixed delivery pump with a simple structure so as to produce a formed object with high dimensional precision. An organic polymer or a mixture containing an or...  
JP2549816Y2  
JP2694596B2
PURPOSE: To provide an apparatus and a method for supplying a liquefied gas from a vessel to a pump liquid pool under a supercooling state sufficient for avoiding cavitation and flashing in a pump. CONSTITUTION: Proximate a bottom of an ...  
JPH09217676A
To improve responsiveness of inclined rolling control of a variable hydraulic pump at the time when a reciprocating pump is changed from an intake side over to a discharge side. When either one of two hydraulic cylinders 1, 2 advances an...  
JPH09195929A
To reduce pulsation of discharge pressure by providing a pulsation/ noise reducing extended chamber to either a suction passage extended from the suction port of a pump caging assembly to a pump chamber or a discharge passage extended fr...  
JPH09184591A
To reduce response delay of an actuator in starting of work in the cold district by providing an on-off valve between a discharging line of a hydraulic pump and an oil pressure pulsation restraining accumulator, and holding the on-off va...  
JPH09177665A
To stably feed stock solution by providing a projected part in which small holes for flow passages of the fluid are cut at the central part of a shielding plate fixed to a central inner circumferential wall of a cylindrical body to damp ...  
JPH09170552A
To obtain a small-sized gas compressor having a low cost, stabilized performance and small amounts of noise and mechanical vibration, by arranging two pieces of projecting type movable piston given reciprocating motions synchronously by ...  
JPH09144699A
To prevent pulsation or vibration by a cavitation without being accompanied by increase in passage loss and deterioration of cavitation performance. In an inducer 15 mounted just before the main impeller of a turbo pump, A casing 12 oppo...  
JP2535005Y2  
JPH09119372A
To effectively reduce a noise in a refrigerant inlet side without worsening efficiency of a compressor, by forming a plurality of silencers communicating with an inflow path of a refrigerant in a piston, also providing an axial flow type...  
JP2604362B2  
JPH09100988A
To provide a water hammer preventing device that can satisfactorily absorb pressure wave generated by water hammering, hardly generating pulsation. A water hammer preventing device has a cylinder 3 for connecting an opening end part 1 to...  
JPH0979151A
To reduce suction gas and pulsation of delivery pressure, and equalize winding finish positions of laps of both fixed and swinging scrolls by specifying a winding start angle from the center of a lap of a swinging scroll and a winding fi...  
JPH0968167A
To prevent reduction in particle filtering efficiency of a filter by eliminating pulsation of discharged chemicals in a bellows pump for liquid supply. This device is provided with two cylinders 8a, 9a for actuating two bellows 5, 6 inde...  
JPH0968156A
To reduce a generating level of a pulsation of fluid, by connecting first/second centrifugal pumps to a tank through a pipe, and controlling a phase of rotation of each centrifugal pump in accordance with a measuring signal from the firs...  
JPH0960785A
To effectively reduce the pulsation of pressure oil even when the revolving speed of a hydraulic pump is changed under any operating conditions by adjusting the shift position of a reflector based on the data calculated by a pump revolvi...  
JP2526880Y2  
JP2526677Y2  
JPH0942576A
To provide a pressure oil pulsation reduction device which can reduce pulsation in the range of both frequencies of odd number times and even number times as much as a specified frequency. In a pressure oil pulsation reduction device red...  
JP2607003B2
PURPOSE: To provide a cylindrical cam driven pulsation-free pump allowing simple, inexpensive and compact constitution. CONSTITUTION: In a double plunger pump, a cylindrical cam mechanism 30 is constituted in such a way as equipped with ...  
JPH0942159A
To prevent backflow (partial backflow) at both discharge and suction sides from occurring as well as to reduce the pulsation. A pump tube is installed in space between a guideway 10 formed on an inner surface of a casing 1 and a roller 4...  
JPH0933000A
To provide soundness of an agitating system by preventing the occurrence of a vacuum part and a water hammer in an agitating line. Outlet piping 7 is connected to the bottom of a liquid storage tank 1 and a pump 2 is connected to the out...  
JPH0932722A
To prevent the occurrence of cavitation by feeding the drain discharged from an attemperator to the attemperator drain suction port of the ejector that has been fitted to the suction side of a water-sealed vacuum pump through an attemper...  
JP2577060B2  
JPH0914127A
PURPOSE: To reduce pulsation of pump pressure of a pump which shows at lest two discharge pressure characteristics of different phases. CONSTITUTION: A pump showing at least two discharge pressure characteristics of different phases has ...  
JPH08338387A
PURPOSE: To reduce a pulsation noise and a wind cutting sound securely, by forming the form of the opening of a suction port or a discharge port in the rotor diameter direction formed to a casing, obliquely to cross the ridge line of the...  
JPH08512375A
(57) -- the the 1st (22) which has a summary two step pump (10) on the same axle equipped with the 2nd step piston driven with the 1st step piston (26) so that reciprocation is possible, and] -- it has 2 (24) stage reciprocation pump. Th...  
JPH08338386A
PURPOSE: To obtain a screw compressor which can reduce a noise depending on a discharge pulsation securely. CONSTITUTION: In a screw compressor 1 in which a pair of screw form rotors 3 and 4 are rotated in a casing 2, and a fluid sucked ...  
JP2564588B2  
JPH08334096A
PURPOSE: To prevent reduction in compression capacity by a muffler without exerting influence on a compression space even if a part of compressed refrigerant gas remains in the muffler by arranging a noise reducing mechanism (the muffler...  
JPH08334095A
PURPOSE: To enhance a noise eliminating effect by a muffler without enlarging a compressor itself. CONSTITUTION: A motor driven element 3 and a rotary compressing element 5 to be driven by the motor driven element 3 are housed in a seale...  
JP2562844B2  
JPH08326681A
To supply a micro quantity of fluid flow substantially without pulsation by comparing a flow signal related to flow generated by a pump, with a reference flow signal, and adjusting load to the pump according to a difference signal. Flow ...  
JPH08326678A
PURPOSE: To balance the static weight of the whole of a compressor in the installing condition of an external attached device so as to reduce vibration and noise at the time of operation by applying a load by which the static weight can ...  
JPH08326702A
PURPOSE: To prevent permanent compression strain in an elastic body from remaining by equally distributing the stress applied to the elastic body of an accumulator by an operating diaphragm. CONSTITUTION: An accumulator 50 divides the ro...  
JP2585977B2
PURPOSE: To provide a pressure pulsation damper for vehicle fuel pump capable of damping output fuel pressure pulsation and reducing an audible noise from a pump. CONSTITUTION: This damper 80 is a pipe 82 which is tightened at its end pa...  
JP2559414B2  
JPH08319937A
PURPOSE: To reduce the occurrence of pulsation during a no-load work by a hydraulic pump and to execute a hydraulic work during a load work without any trouble by a method wherein an adjusting valve for reducing the occurrence of pulsati...  
JPH08312525A
PURPOSE: To provide a hydraulic pulsation absorber simple in structure and capable of reducing cost. CONSTITUTION: A storage 6 communicated to a hydraulic pressure flow passage 5 is provided in a discharge port block 3 of a hydraulic pum...  
JP2555318B2  
JP2556039B2  
JPH08303353A
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...  
JP2552654B2  

Matches 701 - 750 out of 1,875