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Patent Searching and Data


Matches 451 - 500 out of 1,839

Document Document Title
JP2012082936
To provide a butterfly valve with water filling function for supplying fluid during water filling to a pipe.The butterfly valve with water filling function includes a valve seal part 20 formed on the inner periphery of a valve box 1 and ...  
JP2012067964
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...  
JP2012067791
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...  
JP2012052617
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...  
JP2012052636
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...  
JP2012047213
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...  
JP2012041980
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...  
JP2012042056
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...  
JP2012031923
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...  
JP2012032248
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...  
JP2012021633
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 ...  
JP2012017799
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...  
JP2012017835
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...  
JP2012017796
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...  
JP2012007640
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 ...  
JP2012007639
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...  
JP2012002268
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...  
JP2011256951
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...  
JP2011256893
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...  
JP2011256864
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...  
JP2011257004
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...  
JP2011241904
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...  
JP2011236949
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...  
JP2011236962
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...  
JP2011227844
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...  
JP2011226513
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...  
JP2011220210
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...  
JP2011202759
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 ...  
JP2011190897
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...  
JP2011185391
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...  
JP2011185390
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...  
JP2011174234
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...  
JP2011169383
To provide a steam valve device and a steam turbine power generation apparatus capable of ensuring and maintaining the steam flow consistency in a flow passage formed between a valve element and a valve seat in an opening/closing process...  
JP2011169404
To prevent a failure of a solenoid valve resulting from freezing of water penetrated into a gap between a plunger and a closed end side of a plunger housing section.The solenoid valve 1 includes: a solenoid 21; a plunger housing section ...  
JP2011153684
To enable a water hammer shock absorber to be easily mounted while ensuring a function of alleviating water hammer shock due to water hammer phenomena.An outer case 1 is provided with an inlet 6 located on an upstream side and an outlet ...  
JP2011132970
To provide a bellows valve which is compact and operated with low operating force and which has quick response, high reliability, and high economic efficiency.In this bellows valve, a valve element 3 is moved from a valve seat surface in...  
JP2011127728
To provide a solenoid linear valve of simple structure capable of restricting outbreaks of self-excited vibration.This solenoid linear valve 10 includes: a housing 20 having a partitioning part 30 partitioning the housing into a first li...  
JP2011122503
To provide a steam valve inhibiting steam leaking from a gap between a valve rod and a guide bush from rapidly expanding and preventing erosion of the valve rod by the leaked steam.A plurality of labyrinth grooves 32a to 32e in a circumf...  
JP2011117557
To provide a pressure regulating valve that can further surely reduce the occurrence of noise caused by self-excited vibration of a ball valve.The pressure regulating valve 10 includes a valve housing 11 having an inflow port 16 and a di...  
JP2011106577
To provide a fluid control valve capable of suppressing oscillation of fluid pressure, while suppressing degradation in pressure controllability.The fluid control valve 10 includes a bottom plate 12, a body 14, and a cover 16. The body 1...  
JP2011106576
To provide a fluid control valve suppressing oscillation of fluid pressure, while suppressing degradation in pressure controllability.The fluid control valve 10 includes a bottom plate 12, a body 14, and a cover 16. An inlet port 18 and ...  
JP2011094788
To solve a problem that since pressure at an upper portion of a piston will drop instantaneously at the moment when a pilot valve is opened and closed, a large pressure difference is formed between the upper and lower sides of the piston...  
JP2011080571
To minimize the generation of vibration, and to suppress noise satisfactorily by a simple and economical configuration.The check valve 10 includes a body 12 including a fluid passage 14; a valve mechanism 28 including a valve seat 16 pro...  
JP2011075094
To provide a valve device which prevents or reduces defects such as generation of its abnormal sounds.A switching device used for a circuit for pressure-feeding air to a septic tank displaces a position of a valve member 34 from a first ...  
JP2011064221
To prevent the occurrence of a sounding phenomenon of an exhaust valve caused by the opening and closing motion of a valve element.In the exhaust valve 23, when pressure in a primary side port 24 becomes equal to or larger than a predete...  
JP2011064272
To provide a check valve which can suppress noise generation as much as possible by preventing chattering without damaging a water stopping function entirely.The check valve is equipped with: a cup-like valve seat which has an outflow ho...  
JP2011064301
To provide a hot and cold water mixing device for mixing inflowed hot and cold water as uniformly as possible.The hot and cold water mixing device includes: a body casing formed with a hot water inflow port formed with a hot water side v...  
JP2011052816
To provide a method and a device for evading easily pipe resonance even when the pipe resonance occurs, using a volume of a valve cavity part in a valve box, and a valve device.This device or the like includes a gate valve 2 having the v...  
JP2011047483
To provide a solenoid valve capable of effectively dampening an allophone by a relatively simple construction.The solenoid valve 100 includes a sleeve 108 formed with two or more actuation liquid paths 108e and 108f, a seat 106 attached ...  
JP2011038542
To provide a solenoid valve capable of suppressing self-excited vibration resulting from air bubbles.A solenoid valve 100 consists of a housing which includes a working fluid passage 106a forcing working fluid flowing therein and a worki...  

Matches 451 - 500 out of 1,839