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JP2009127716 |
To provide a quick closing check valve with a noise elimination function capable of effectively reducing noise caused in a passage to carry out noise elimination, and capable of reducing vibration isolating countermeasures.The check valv...
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JP2009121678 |
To provide an air valve for further easily and quickly performing assembling and disassembling work including maintenance work.This air valve 1X includes: a valve casing 2 having an air vent 2a in an upper end part and having a hollow pa...
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JP2009119901 |
To solve a problem wherein the flow of a hydraulic fluid becomes turbulent in a check valve to cause noise when a flow rate per unit time is increased in the check valve by abrupt steering.A Reynolds number in a first one-way valve is 2,...
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JP2009121654 |
To provide a valve device and an air conditioner having the same, for sufficiently reducing a flowing sound of an internal fluid, without enlarging the size.A valve seat part 101 is formed on the inner peripheral edge of an upper end par...
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JP2009115221 |
To solve the following problems: when an accumulator is connected in a pipe so as to reduce pulsations from a motor pump, the hydraulic equipment requires a larger installation space to be upsized, also requires high costs, and in the ca...
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JP2009103322 |
To provide an assembling method of a fluid pressure reduction device.A plurality of disks 32 are formed with at least one flow path 38 extending between a peripheral edge part 36 and a cavity central part 34. Each path 38 has an inlet pa...
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JP2009092188 |
To reduce pressure vibration and noise caused thereby by stabilization by improving stability in the operation of a valve element constituting a valve part of a fluid control valve.This fluid control valve is constituted so that the valv...
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JP2009079646 |
To improve durability while securing suppression effect of abnormal noise generated upon seating of a float.A first valve mechanism 50 comprises a float chamber formed inside a casing body 31, a first float 51 vertically movably housed i...
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JP2009073229 |
To provide a hydraulic control valve capable of suppressing cavitation at a contraction part and preventing generation of noise.The hydraulic control valve is provided with a valve body formed to a cylindrical shape; a valve shaft relati...
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JP2009069107 |
To realize a high precision measuring system of integrated measurement of flow by the product of a delivery amount of a pump and time.An orifice tube 6 with a shape of no eddy current flow and no contraction flow is provided to a deliver...
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JP2009058015 |
To facilitate driving of a valve element by an actuator with a low cost and a simple constitution.Liquid control equipment 100 is equipped with a valve V having a first port 10 and a second part 12, a first conduit line 30 connected to t...
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JP2009057105 |
To provide a mechanism for positively preventing occurrence of noise induced under an unstable action of a valve mechanism mounted at a vent tube even under a severe condition of a very high gas flow rate within the vent tube.There is pr...
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JP2009052622 |
To provide an antinoise structure for a flow rate control valve capable of reducing noise caused by vibration of a component connected to an upstream side and/or a downstream side of the flow rate control valve.The flow rate control valv...
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JP2009036372 |
To provide a valve element structure and a cavitation preventer structure for a butterfly valve for suppressing the occurrence of cavitation.This control valve comprises an approximately cylindrical valve body 2, and a valve element 3 ar...
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JP2009024748 |
To provide a spool valve which can suppress a valve closing force by a hydrodynamic force F by generating a reaction force F' against this hydrodynamic force F with a hydraulic pressure supplied inside the spool valve since the valve clo...
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JP2009002507 |
To provide a flow control valve, which increases or decreases a flow rate widely and monotonously according to the turn of an operation knob, and which has so little internal wear that it does not have any remarkable characteristic deter...
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JP2009002378 |
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...
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JP2008291928 |
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 ...
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JP2008292003 |
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...
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JP2008291916 |
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...
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JP2008286381 |
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...
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JP2008286404 |
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...
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JP2008281211 |
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 ...
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JP2008267592 |
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 ...
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JP2008248913 |
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...
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JP2008249143 |
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...
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JP2008249150 |
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...
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JP2008248927 |
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...
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JP2008249151 |
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...
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JP2008232276 |
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...
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JP2008232290 |
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...
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JP2008215626 |
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...
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JP2008208950 |
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...
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JP2008202800 |
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...
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JP2008185077 |
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...
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JP2008175401 |
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...
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JP2008175267 |
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...
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JP2008157306 |
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...
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JP2008157325 |
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...
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JP2008138812 |
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 ...
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JP2008128416 |
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...
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JP2008121859 |
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...
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JP2008121721 |
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 ...
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JP2008121736 |
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...
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JP2008121784 |
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...
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JP2008115940 |
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...
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JP2008095892 |
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...
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JP2008057721 |
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 ...
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JP2008057652 |
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...
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JP2008045678 |
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 ...
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