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Patent Searching and Data


Matches 751 - 800 out of 5,347

Document Document Title
JP2012082932A
To provide a butterfly valve that reduces unbalance of pressure in both flow passages on an orifice side and a nozzle side even immediately after the start of opening a valve, while preventing large resistance in an orifice when valve op...  
JP4922775B2  
JP4918346B2  
JP2012067964A
To reduce noise to be generated when a refrigerant passes through a refrigerant inlet in a liquid single phase and the refrigerant passes through a refrigerant outlet in the liquid single phase, in an expansion valve disposed in a refrig...  
JP2012067791A
To relieve a water hammer phenomenon by stably controlling a flow rate.An expansion unit EU having an operation chamber 33 communicating with a back pressure chamber 27 of a main valve 20, is interposed between a valve casing 16 having t...  
JP2012052617A
To provide a check valve for mitigating an ill effect of water hammer.In the check valve 100, when the inflow of fluid is stopped, a valve energizing mechanism 140 energizes an inflow shutoff valve 120 to immediately shut off an inflow p...  
JP2012052636A
To prevent the occurrence of noises while securing high opening/closing responsiveness of a check valve.A valve seat 63 and a stopper 65 of the check valve 48 are formed of resin, and a check ball 64 is formed of carbon or resin and so t...  
JP4896675B2  
JP4896033B2  
JP4896134B2  
JP2012047213A
To reduce noise by restraining vibration or the like of a secondary joint pipe, by stabilizing a flow of a refrigerant in a valve port, in a motor-operated valve for controlling a flow rate of the refrigerant by opening-closing the valve...  
JP2012042056A
To provide an intermediate valve for operation air capable of reliably preventing the occurrence of a water hammer phenomenon by controlling the operation air of a single-acting air-operated valve.The intermediate valve for operation air...  
JP2012041980A
To provide a direct mounting type solenoid valve that suppresses noise due to vibration and resonance of an output port.The direct mounting type solenoid valve has a solenoid vale body, including a housing 11 for forming a passage 11a an...  
JP4879517B2  
JP2012032248A
To suppress vibration of an SRV nozzle by attenuating the energy of cavity tone.A main steam relief safety valve nozzle of a boiling-water nuclear power plant comprises: a constricted part where the cross-sectional area of a flow passage...  
JP2012031923A
To provide a gate valve device that can effectively prevent the occurrence of hole tone to produce less noise.A vortex flow generation ring 17 has a plurality of protrusions 22 at a predetermined interval in the circumferential direction...  
JP2012021633A
To eliminate a hunting phenomenon when a relief flow passage is closed and eliminate the hunting phenomenon without requiring large modification to an existing unload valve.The unload valve 10 includes: a first pilot flow passage 22a; a ...  
JP2012017799A
To provide a relief valve capable of feeding oil to an engine even when a control valve for back pressure is out of order.The relief valve has the valve body 2, the tubular sleeve 4 having a flowing in port 7 and a discharging port 8, th...  
JP2012017796A
To provide a relief valve which can damp sound and vibration caused when a member constituting the relief valve abuts on the other members in operation.The relief valve includes: a valve body 2 having a first port 11 and a second port 12...  
JP2012017835A
To suppress a pressure pulsation in at least one pipe of the pipes connected to a fluid upstream side and downstream side, and an operation sound audible outside, in a fluid injection device.A hydrogen gas injection device 50 includes: a...  
JP4854730B2  
JP4854473B2  
JP2012007640A
To provide a relief valve having a simple configuration and capable of smoothly opening and closing a valve.The relief valve includes a valve element 100 having a passage hole 110 formed therein for passing fluid, a stem 200 opening and ...  
JP2012007639A
To provide a check valve capable of preventing chattering when the valve is opened and closed, and thereby stably controlling a flow rate of fluid.The check valve has a poppet 300 provided in a valve element 100 configured in such a mann...  
JP4851915B2  
JP2012002268A
To reduce noise caused by a valve element which sits on an annular valve seat repeatedly.A valve chamber 3, which communicates an inflow port 4 with an outflow port 5, is formed in valve casings 1, 2. The annular valve seat 7 having a va...  
JP2011257004A
To provide a flow restrictor with a small pressure drop, which does not loose the most part of desired nonlinearity.A flow restrictor with a first disk having at least one inlet and at least one outlet and a flow path and a second disk h...  
JP2011256893A
To provide a solenoid valve capable of reducing body size and suppressing vibration of a fluid pressure.A spool 20 provided inside a cylindrical sleeve 10 reciprocally movably in the axial direction includes a first land 21 which opens a...  
JP2011256951A
To improve a normally closed solenoid valve device provided with a damper chamber for reducing the vibration of the mover to minimize the entry of air into the damper chamber to thereby stabilize the damping performance of the damper cha...  
JP2011256864A
To provide a flow guide valve sheet for a steam turbine valve.A flow valve (10) includes: a control valve (20) having a movable body; a stop valve (24) having a movable body; and a valve seat (48) having a facing surface that contacts at...  
JP4831808B2  
JP2011241904A
To provide a proportional poppet type two-stage high-speed solenoid valve having a vibration absorber, which is capable of performing a high-speed operation and power saving while preventing inner leakage even when water is used as a wor...  
JP4824675B2  
JP2011236962A
To provide a cage type pressure reducing structure in which occurrence of noise, vibration, cavitation, or the like in pressure reduction of high pressure fluid is suppressed, and stable control can be achieved, in a low noise type regul...  
JP2011236949A
To provide a valve device enabling adjustment of an inter-surface distance and a valve opening using a magnetic material as a valve closure mechanism.In valve boxes 1, 2 having an inflow port (primary side) and an outflow port (secondary...  
JP4820322B2  
JP4817554B2  
JP2011226513A
To provide a chamber device capable of reducing pressure pulsation propagated from a piping interior to a canister during opening and closing driving without enlarging a shape.The solenoid valve device includes a valve case part VC havin...  
JP2011227844A
To provide a gas pressure reduction valve configured so that an attaching/detaching operation of a silencer may be reduced.A governor 10 of the present invention includes: a gas outflow chamber 21 disposed beneath a gas inflow chamber 20...  
JP4813057B2  
JP2011220210A
To provide a fuel injection device and a fuel injection nozzle which promote atomization of an injection fuel of an internal combustion engine.The fuel injection device 10 includes an injector 100 which includes a spiral fuel guide groov...  
JP4808792B2  
JP2011526990A  
JP2011202759A
To provide a solenoid valve easily reducing water hammering.In the solenoid valve 1, a plunger 4 is provided inside a solenoid 3, the plunger is advanced and retreated toward a valve seat 7 arranged between a primary side flow passage 9 ...  
JP4790946B2  
JP2011190897A
To reduce refrigerant noise or the like in a changeover while certainly performing the changeover operation of a pilot valve body even when a high-pressure refrigerant pressure is applied to the pilot valve body of a pilot valve, in a fl...  
JP4781845B2  
JP2011185390A
To surely perform a damping force adjustment and fail-safe operation and to prevent free movement in a hole which is an arranged part of a main valve including a poppet valve element for making the damping force adjustment.The damping va...  
JP2011185391A
To surely perform a damping force adjustment and fail-safe operation and to prevent free movement in a hole which is an arranged part of a main valve including a poppet valve element for making the damping force adjustment.The damping va...  
JP2011174234A
To provide a water saving valve which achieves labor saving in manufacturing and the prevention of a theft in use by simplifying a valve structure of a flow control valve.In the water saving valve A, a sluice block is incorporated in a w...  

Matches 751 - 800 out of 5,347