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Patent Searching and Data


Matches 451 - 500 out of 1,862

Document Document Title
JP2012237365
To provide a pressure regulator that stably opens and closes a valve body to thereby reduce vibration or abnormal noise.The pressure regulator 10 includes: a casing 12 including a valve chamber 20 having an entrance 21 and an exit 28, an...  
JP2012233512
To provide a supply and discharge adjusting apparatus and a supply and discharge adjusting system that can adjust an operation pressure (exhaust pressure) in accordance with a use state.The supply and discharge adjusting apparatus 3 incl...  
JP2012233501
To provide a valve device that can suppress pulsation by taking measures against a generation source of the pulsation, without enlarging the physical size.At least one of a valve body 13 and a valve port end face 12b where a valve port 1...  
JP2012225469
To effectively control the erosion of a contact region between a valve element and a valve seat.The butterfly valve 10 has the valve element 12 turnably disposed through a valve rod 15 and the valve seat 13 with which the valve element 1...  
JP2012211654
To provide a check valve that is easy to be manufactured and can suppress pulsation without deteriorating durability.An internal passage 51 moving according to differential pressure in an inlet-outlet port of a housing 2 is formed in a f...  
JP2012202463
To provide a motor-operated valve capable of preventing the generation of noise even when a refrigerant is filled inside an inflow pipe and an outflow pipe connected to a valve chamber and a differential pressure between inflow piping an...  
JP2012197880
To provide a damping valve capable of producing a stable damping force in a shock absorber by suppressing the oscillation of a valve body.A damping valve 1 includes a valve hole 3 equipped with an annular valve seat 4, a valve body 5 ins...  
JP2012197739
To provide a fuel injection valve for applying a proper damper action to a needle part that is switchably operated for fuel injection, in the fuel injection valve of an internal combustion engine.The fuel injection valve includes: an inj...  
JP2012179165
To suppress a water hummer at the time of a start of a large-capacity pump by a simple, low-cost and high-reliability structure.This fluid conduit opening speed restriction valve 25 includes: a valve housing 27 connected to a fluid condu...  
JP2012180935
To provide a check valve of small type including a pressure relieving function, easily manufacturable at a low cost.The check valve 100 having a pressure relieving function includes a valve element 30, which is installed slidably on a va...  
JP2012177470
To provide a throttle valve device having a simple structure, can be manufactured at low cost, and having high silentness.The throttle valve device (1) includes a valve seat member (10) formed with a valve sheet part (10a) and a valve bo...  
JP2012172684
To provide a sleeve valve device which is operable even at a place where any electric power is unavailable, or any person for performing the moving operation of a valve element is no present.The sleeve valve device 1 includes a porous sl...  
JP2012172717
To prevent radial vibrations of a valve device, which opens and closes a valve part and adjusts opening by bringing the valve body driven by a plunger into contact with and away from a valve seat, with a simple structure, and to reduce o...  
JP2012167800
To provide a check valve capable of preventing the damage of a spring and generating noise by preventing the collision of the spring against a valve body or a plug.An inlet 4, a valve chamber 3, an outlet 5, and the second outlet 6 are c...  
JP2012145123
To increase the life of a valve box seal ring while reducing operation torque and holding a water shutoff property when the valve box seal ring is pressed against disk tail parts.A butterfly valve having a water filling function includes...  
JP2012127505
To provide a movable throttle valve capable of preventing an annular gap from being clogged with dusts in operation fluid while being simple construction.The movable throttle valve 5 used in a fluid pressure circuit 10 has a holding cond...  
JP2012107698
To provide a structure for restraining noise and vibration of an inside component caused by external impact, in a gas governor valve having a primary pressure chamber and a secondary pressure chamber.This gas governor includes a casing 1...  
JP2012102779
To provide a check valve configured to allow an orifice for controlling flow rate (pressure) of fluid to be easily added or replaced.In the check valve, a valve element 50 having a rubber-made valve seat 80 is slidably arranged in a valv...  
JP2012092964
To provide a screen nozzle that can change flow property.A variable flow control nozzle 50 has a head 52, a tube 54, and a valve 56. The head is disposed adjacent an opening 22 and has a screen 60 for passage of fluid flow into and out o...  
JP2012087906
To provide a shut-off valve capable of preventing a water hammer, and capable of shortening time required for closing the valve.This shut-off valve includes a valve element 11 normally opening for opening-closing a communicating port 9 o...  
JP2012087916
To provide a cylinder valve usable in common for any of a faucet of a form of discharging water by rotating a handle leftward and a faucet of a form of discharging the water by rotating the handle rightward, and capable of excellently pr...  
JP2012082896
To reduce the noise by stabilizing a flow of a refrigerant with a valve port in a motor-operated valve for controlling a flow rate of the refrigerant by opening/closing the valve port with a needle valve.A valve seat part 1 is formed wit...  
JP2012082932
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...  
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...  

Matches 451 - 500 out of 1,862