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Patent Searching and Data


Matches 601 - 650 out of 1,861

Document Document Title
JP2009002378A
To provide a spool valve high in reliability, which absorbs collision noise without increasing its size.A metallic plate 31 is disposed in a collision position of a spool 14 to form a damper chamber A between the sleeve 13 and it. A damp...  
JP2008291928A
To provide a needle valve capable of restraining noises, and a refrigerating cycle device having the needle valve.This needle valve 1 comprises a valve box 10 and a valve body 30. A valve seat 22 with a valve port 12 formed is installed ...  
JP2008292003A
To set the flow rate of a refrigerant flowing through a motor-operated valve constant in both forward and backward flow directions.This motor-operated valve 10 is provided with: a valve body 12 regulating a passage flow rate of a fluid b...  
JP2008291916A
To provide a purge valve which can increase a pulse reduction effect without resulting in upsizing of its size.A pillar member 31 is provided in a position which is opposite a chamber entrance 34 in a chamber 18, wherein the pillar membe...  
JP2008286381A
To maintain a stable control pressure without impairing responsiveness when operating oil is at a low temperature by a damper mechanism for preventing a rapid change of the control pressure provided in an external of a sleeve of a soleno...  
JP2008286404A
To provide a fluid pressure reduction device which can restrain hydrodynamic noise from generating and can be efficiently manufactured at a low cost.As the fluid pressure reduction device with low noise generation, disks 30a-30d are stac...  
JP2008281211A
To provide a fluid pressure reduction device capable of reducing a jet and noise level.This fluid pressure reduction device comprises a plurality of stacked disks 32 having a perimeter 36 and a hollow center 34 in a longitudinal axis 29 ...  
JP2008267592A
To provide a hot and cold mixing valve unit capable of reducing water connection sound which is generated when hot and cold water is passed through while making it possible to miniaturize it as well as a combination faucet provided with ...  
JP2008248913A
To provide a fuel shut-off valve 10 capable of reducing the impact noise due to the vibration of a float by a simple structure.This fuel shut-off valve 10 has a first valve mechanism 50 in the first valve chest 31S of a casing 20. In the...  
JP2008249143A
To provide a faucet device causing no water hammer phenomenon while using a diaphragm valve.The electromagnetic-pilot diaphragm valve type faucet device is provided for supplying water or stopping the supply of water by opening or closin...  
JP2008249150A
To provide a butterfly valve capable of preventing the occurrence of erosion and finely adjusting a volumetric flow rate in an area of minute degree of valve opening to infallibly attain high range ability.The butterfly valve is for open...  
JP2008248927A
To provide a relief valve having stable relief characteristics regardless of the specifications of a hydraulic circuit.This relief valve comprises: a valve 12 and a piston 13 housed in a casing 11 and reciprocatingly movable in the axial...  
JP2008249151A
To provide a butterfly valve having an anti-cavitation function, that prevents the occurrence of erosion and capable of finely adjusting a volumetric flow rate of fluid in an area of low degree of valve opening or in an area of minute de...  
JP2008232276A
To provide a motor-operated valve that prevents displacement or inclination of a valve element with respect to a valve seat portion in a valve chamber forming member of a press-molded article and that does not cause uneven abrasion of th...  
JP2008232290A
To provide a needle valve capable of preventing generation of noise of high frequency of the audible wavelength band.The needle valve 1 comprises a valve casing 10 and a valve element 30. A valve port 24 having a valve port 12 is provide...  
JP2008215626A
To provide a cylinder valve generating less noise while water flows therethrough.In this cylinder valve, a valve element so having two or more openings in the side surface as to correspond to the openings of a valve guide is installed in...  
JP2008208950A
To provide a hot-cold mixed faucet capable of reducing noises to be generated outside a hot-cold water mixing valve unit.The hot-cold mixed faucet 1 is provided for changing the mixing ratio of supplied hot-cold water and adjusting a dis...  
JP2008202800A
To provide a simple and inexpensive expansion valve vibration absorbing member for stabilizing the operation of high pressure refrigerant with a pressure fluctuation.The expansion valve vibration absorbing member 10 constrains a ball-sha...  
JP2008185077A
To provide a fluid controller with improved vibration isolating property without affecting pressure control operation.Pressure of a fluid is controlled by a valve element 4 moving with respect to a valve seat 3 due to change of balance b...  
JP2008175401A
To provide wear resistance and galling resistance during use.A fluid pressure reduction device comprises an outer member and an inner member movable to each other. The outer member has an inner perimeter surface, and the inner member has...  
JP2008175267A
To prevent the generation of noise or vibration from the minute opening to the vicinity of the middle opening, and enable the improvement in the efficiency of a steam turbine by reducing the pressure drop at the full opening or its vicin...  
JP2008157306A
To provide a solenoid valve of relatively simple structure capable of effectively restricting self-excited vibration.In a hydraulic control valve 101, an air block 130 is arranged so as to cover a continuous hole 127 of a plunger 122 fro...  
JP2008157325A
To provide a valve device enabling to effectively suppress the self-exciting vibration of a valve element.The valve device comprises a casing 7 in which flow paths 3, 5, 19 are formed, a valve seat 9 and the valve element 11 for controll...  
JP2008138812A
To provide a differential pressure valve with a damper device not affected by the fluctuation of the pressure of a secondary side fluid.In an expansion device 1 functioning as a differential pressure valve, a damper device isolated from ...  
JP2008128416A
To provide a hydraulic circuit having increased degree of freedom in circuit design by simplifying a circuit to promote space saving and reduction in cost.The hydraulic circuit comprises a first valve body 2 including a ball chamber 7 co...  
JP2008121859A
To provide a vacuum valve which can improve the durability of a bellows.The vacuum valve 1 comprises: a valve part 2 which makes a valve body 10 abut on a valve seat 9 which is arranged between a first port 7 and a second port 8, and sep...  
JP2008121721A
To provide a solenoid valve having relatively simple construction and effectively suppressing self-exciting vibration.In a hydraulic control valve 101, a throttle passage 131 is restricted by an elastic body 130 arranged between a valve ...  
JP2008121736A
To provide a motor driven valve having a plurality of valve functions for selectively opening/closing four gateways.The motor driven valve comprises a valve body 10 having a first passage part 31 for communicating the first gateway 41 wi...  
JP2008121784A
To provide a fluid control valve using a valve element 26 having a shaft portion 30 and a flexible film portion 28 connected to the shaft portion 30 for partitioning a fluid flow path into an upstream side fluid chamber 22 and a downstre...  
JP2008115940A
To reduce the number of part items by integrally forming a spring piece and a valve element.This check valve is constituted by rotatably incorporating the valve element 12 for opening and closing a fluid passage 7 into a housing 6. The v...  
JP2008095892A
To provide a flow control valve, in which volume of a valve chamber can be increased with a simple structure without increasing size of a whole body, while inhibiting rise of manufacturing cost, and inhibiting generation of noise.The flo...  
JP2008057721A
To prevent vibration of a pressure regulating valve in a low flow rate area.This pressure regulating valve has a control pressure chamber C and a pressure regulating chamber P partitioned by a diaphragm 15, a valve body 17 displacing in ...  
JP2008057652A
To provide an orifice member wherein occurrence of turbulence is suppressed, and breakage and the like are prevented from occurring in the pipe line.The orifice member 1 is placed in the pipe line 2 wherein fluid is passed. In the orific...  
JP2008045678A
To provide a spool valve reducible in hydrodynamic force and noise in the axial direction of a spool shaft in the spool valve provided with grooves for fine operation in a land.The spool valve having a flow regulating function comprises ...  
JP2008045746A
To provide a pressure control valve wherein development of noise and vibration caused by cavitation is restrained by modification of the structure of a pilot poppet which closes/opens a flow path by seating/lifting to/from the seat of th...  
JP2008039175A
To offer a water shut off valve with a water hammer prevention function to prevent generation of water hammer.A solid sphere 2 is located in the center section of a cylinder 2 having an inlet port 13 and an outlet port 14, and a valve se...  
JP2008019960A
To provide a speed controller allowing reduction in weight and material cost and free setting of flow rate adjustment of a controlled flow.The speed controller comprises a body 2 having a first flow path 2a communicated with a first flui...  
JP2008020073A
To prevent an excess flow using a simple mechanism for prevention of water hammer, and to perform setting and adjustment of valve element opening through a simple structure.An automatic valve has a partition for partitioning the inside o...  
JP2008002633A
To provide a water faucet which a user feels to be dynamically beautiful and decent in use and feels to be comfortable in use.The water faucet comprises a valve device using a driving means for indirectly or directly driving a valve elem...  
JP2007162851A
To provide a motor operated valve capable of effectively preventing flowing noise by selecting distribution of holes to be formed on its straightening vane for subdividing bubbles.A straightening member 100 for subdividing bubbles includ...  
JP2007162882A
To provide an inexpensive check valve preventing a chattering phenomenon of a disc-like valve element quickly repeating valve opening and closing, and preventing valve closing delay.An inlet 4, a valve chamber 3, and an outlet 5 are form...  
JP2007147004A
To provide a hot-cold water mixing valve device for straightening hot and cold water supplied to a discharge part of a hot-cold water mixing faucet with hot and cold supply water mixed without greatly reducing a flow rate while suppressi...  
JP3968196B2
To avoid cavitation bubbles in a valve chamber breaking and eliminating by enlarging a cross sectional area of at least an inlet port in the inlet port and an outlet port larger than a fluid passing effective area in the valve chamber in...  
JP3968181B2
To prevent the generation of the turbulent flow extending to the first stage of a turbine from a butterfly valve by using the butterfly valve as a control valve, which is provided near a turbine. A combination valve is provided with a co...  
JP2007140947A
To provide a pressure reducing valve which stably makes control even when the opening of a main valve element is small in a main valve, and is reduced in size.The pressure reducing valve 1 comprises: the main valve 10 having the piston m...  
JP3963600B2
To provide a damper valve for a hydraulic power steering device of a vehicle capable of establishing an improved damping performance, eliminating the resisting or sticking feeling in the steering operation, particularly in the low-speed ...  
JP3957503B2
To surely prevent cavitation and hunching by coping with and any operating conditions and to simply perform adjusting work in a large and small two-type automatic pressure regulating valve. A large diameter valve element 5 contacts and s...  
JP3952598B2
To reduce vibratory noise of a valve disc while ensuring superheat controllability of refrigerant at the outlet of an evaporator. A fitting hole 63 communicates with the way of a throttling passage 45 passing a working rod 46 and a refri...  
JP2007113753A
To provide a check valve device having the high degree of freedom in size selection, and a water supply facility equipped with such a check valve device.The check valve device G1 prevents back flow of hot and cold water being seated on a...  
JP2007113599A
To provide a diffuser for a fluid control valve capable of more surely suppressing or preventing generation of cavity and suppressing decrease of maximum flow rate and the fluid control valve.The diffuser 31 for decreasing flowing speed ...  

Matches 601 - 650 out of 1,861