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Patent Searching and Data


Matches 801 - 850 out of 1,889

Document Document Title
JPH08105388A
PURPOSE: To reduce the fluctuation in the discharge pressure of a displacement pump by detecting the discharge pressure of the fluid by a pressure gage provided on the downstream side of a discharge port of the displacement pump, and out...  
JPH0861252A
PURPOSE: To release a two-vane set of dual vanes in a V-shape during operation of a pump. CONSTITUTION: Vanes 1 and 1' contained in the slit 21 of a rotor 2 are formed in a two-vane set state. A width spreading-form recessed part 11 or r...  
JPH0861285A
PURPOSE: To improve pump efficiency through reduction of rotation resistance, to improve durability, and to suppress the increase of size by a method wherein a thrust load is hardly exerted on a bearing to support an impeller. CONSTITUTI...  
JPH0823553B2  
JPH0842447A
PURPOSE: To enable reduction of pulsation while suppressing a decrease of flow rate and thereby reduce noise caused by the pulsation. CONSTITUTION: A hydraulic piston pump has a rotor 7 which is supported on a center shaft 5 and a valve ...  
JPH08241U
[Objects of the Invention] It is related with the air supply device which supplies air to the pressure oscillating buffer which buffers vibration of the discharge pressure of a fluid feeding reciprocating pump. [Elements of the Invention...  
JPH0828485A
PURPOSE: To obtain by means of a simple structure, a stable operating state wherein no cavitation is generated, by avoiding the complicate adjustment for changing the operating condition of a pump and the operation for increasing the min...  
JPH0828438A
PURPOSE: To reduce surge pressure and oil pressure pulsation without reducing pump displacement by providing a damping chamber adjacent to a pump chamber, and communicating the damping chamber with the pump chamber through an orifice whi...  
JPH0828439A
PURPOSE: To contrive phase interference without joining both fluids by composing a pulsation reducing device of an interference device for giving the phase interference to fluid introduced in two introducing paths through an elastic diap...  
JPH082470Y2  
JPH07122427B2  
JPH07332255A
PURPOSE: To keep a delivery amount at a constant value without the occurrence of pulsation when the rotary shaft of a moving blade rotation compression type fluid machine is rotated in a constant state. CONSTITUTION: The foundation curve...  
JPH07332227A
PURPOSE: To improve flow rate precision by a method wherein given correction is applied on the gear shift pattern of a produced eccentric cam by a detecting pressure and a detecting displacement amount and based on a correcting gear shif...  
JPH07332232A
PURPOSE: To reduce the generation of vibration through suppression of the occurrence of pulsation during the forced feed of ready-mixed concrete. CONSTITUTION: Two concrete cylinders 2L and 2R are arranged on the front wall of a hopper 1...  
JPH07310650A
PURPOSE: To deliver oil at constant pressure for reduction in the delivering pulsation of pressure oil by transmitting the oil pressure reversely to a pressure- raising part in response to the oil pressure raised at the pressure-raising ...  
JPH07310646A
PURPOSE: To reduce the generation of noise by a method wherein a period and vibration during resonance are made irregular. CONSTITUTION: Kidney ports 13 respectively communicated with a plurality of cylinders 12 bored in a cylinder block...  
JPH07293458A
PURPOSE: To provide a fluid machine having high reliability, wherein the problem that piping vibration is generated and noise is increased due to large pulsation of discharged fluid is solved, and double tooth type turning scroll formed ...  
JPH07280787A
PURPOSE: To obtain a liquid chromatograph capable of making precise analysis by reducing the flow rate error due to the pressure rise during sample injection. CONSTITUTION: Eluate 4 is transferred to a column 9 via a switching valve 5 by...  
JPH07269460A
PURPOSE: To reduce the generation of pressure pulsation by means of the counter action of pulsation due to a combination of two volute pumps and any interfer ence of the pulsation in a beam installed in a casing and a blade pitch of an i...  
JPH0740696Y2  
JPH0743772U
[Objects of the Invention] It is small, there are few part mark, and it can manufacture economically, and more than starting friction is needed for pump operation, the electric mechanical pressure pump for fluid which is not expensive is...  
JPH07507612A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH07218489A
PURPOSE: To control a flow rate with high accuracy while reducing the variation of a liquid sending-out amt. by providing a control means controlling the rotational speed of a pump driving motor on the basis of the pressure value from a ...  
JPH0736134Y2  
JPH07208288A
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...  
JPH07208328A
PURPOSE: To provide a liquid hammering preventing apparatus with a simple structure so as to be applied in various positions by duely operating liquid hammering absorber even if pressure of liquid which is supplied is changed. CONSTITUTI...  
JPH07208329A
PURPOSE: To provide in a simple structure a flow amount regulating valve provided with a liquid hammering preventing apparatus and capable of absorbing liquid hammering of supplied fluid and regulating the flow amount of the fluid. CONST...  
JPH0742383U
[An eye target] Pulsation at the time of pressure oil sending out of a hydraulic pump is reduced, and oscillating noise of a pipeline is controlled. [Style 成] While attaching pulse chamber 2 to discharge mouth 21 of hydraulic pump 3 dr...  
JPH0772533B2  
JPH07189887A
PURPOSE: To prevent vibration, noise, etc., from occurring owing to pulsation without lowering pump efficiency. CONSTITUTION: Pressurized oil remaining in a cylinder 8 on an top dead center side is fed into a cylinder 8 on a bottom dead ...  
JPH0729256Y2  
JPH0729259Y2  
JPH0735768U
[Objects of the Invention] It is related with the liquid pressure power generator in the fluid pressurization type 溶離 liquid discharging device of a liquid chromatograph used by a chemical analysis, and precise flow control can be pe...  
JPH07151735A
PURPOSE: To provide a cavitation detector of a fluid machine wherein cavitation can be detected by separating a signal caused by the cavitation from impact noise detected with an acoustic sensor. CONSTITUTION: An acoustic sensor 2, a wav...  
JPH0756254B2  
JPH0726381Y2  
JPH0754114B2  
JPH0754115B2  
JPH0747949B2  
JPH07124504A
PURPOSE: To provide a liquid supply apparatus which supplies paint to a sprayer stably at a low pressure. CONSTITUTION: An apparatus for supplying glaze F to a spray gun which sprays the glaze F is equipped with a diaphragm pump 2 which ...  
JPH0742934B2  
JPH07119626A
PURPOSE: To effectively limit pulsation by forming the shape of a driving cam so as to satisfy a specific condition for additionally discharging the replenishing amount of the discharging flow rate in the case of a driving cam mechanism ...  
JPH07119628A
PURPOSE: To provide a pulsation adjusting mechanism for a nonpulsating pump capable of limiting pulsation irrespective of pump actuating conditions. CONSTITUTION: An increasing cam curve for increasing a part of the discharging flow rate...  
JPH07119627A
PURPOSE: To provide a pulsation adjusting mechanism for a nonpulsating pump capable of limiting pulsation of a pump discharging flow rate caused by mixing-in of air, a mechanical loose clearance etc., irrespective of pump actuat ing cond...  
JPH0783160A
PURPOSE: To easily and surely eliminate the pulsation of the discharge amount of a pump by dispensing with a sliding key groove of a connecting rod. and moving a small cam follower along the connecting rod through a guide rail on the cir...  
JPH0763191A
PURPOSE: To previously detect air leakage of a pressure tank so as to reduce failures in an automatic water supply device. CONSTITUTION: When air leaks in an air chamber 7, a rubber film 6 is expanded and extended, a distortion gauge 10 ...  
JPH0718845B2  
JPH07501868A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH073027Y2  
JPH0727101A
PURPOSE: To provide an electrohydraulic pump load control system reduced in noises and power consumption. CONSTITUTION: This system includes a fluid-cooled integrated electric motor/ hydraulic pump 34 for delivering fluid under pressure ...  

Matches 801 - 850 out of 1,889