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Patent Searching and Data


Matches 501 - 550 out of 1,862

Document Document Title
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...  
JP2011033165
To easily maintain the function of a check valve and to easily suppress chattering of a valve element when filling high pressure gas.In the non-filled state of gas with a receptacle 150 removed from a nozzle 350, magnetic force of an ele...  
JP2011027148
To effectively reduce refrigerant passing noise, by increasing a capacity of a valve chamber, without increase in size of a valve body or a guide bush.A straight hole 10 is formed to the valve body 2 of an electric valve A, and the guide...  
JP2011002028
To inhibit noise while suppressing energy loss even when the distance between a high pressure port and a low pressure port of a casing inner wall surface is not sufficient and grooves with length necessary for reducing noise cannot be ma...  
JP2010270900
To provide a valve device of simple structure capable of suppressing the generation of self-exciting vibration in a valve element.The valve device includes: a valve casing 10 constituted to be continued in a direction where an upstream f...  
JP2010242953
To provide a flow amount throttle device having relatively simple construction for easily adjusting a throttle amount while achieving a smaller size.The flow amount throttle device includes a shaft body 101, and a housing 102 having a th...  
JP2010203616
To reduce a valve chatter produced when a valve opens, in a check valve which is mounted in a bore in a housing or other elements to allow a fluid to flow in only one direction, and which is biased by a biasing member.The check valve, wh...  
JP2010169197
To provide a valve device capable of guiding a fluid from an inlet port to an exit port via a valve port, when opening a valve.A valve element 2 is provided in an inside of a valve chest 16 of the valve, to be movable along an valve open...  
JP2010169133
To provide such a valve seat construction that a valve is maintained closed as far as a move distance (a lift) of the valve element, corresponding to a low opening degree in a conventional method by which chattering easily occurs, and th...  
JP2010137734
To provide a door check device in which an operation sound becomes small.A one way valve is provided on a conduit on an upstream side further than a valve element 72, and includes a hole part 4a becoming in the closed state by closing it...  
JP2010121646
To provide a check valve with a secondary side pressure releasing mechanism, having the size equal to an ordinary check valve, easily incorporated into an ordinary faucet, and easily implementing common use of parts with the ordinary che...  
JP2010121780
To provide a valve capable of enhancing durability of a sealing member made of an elastic body and satisfactorily maintaining sealing property in a wide range from high differential pressure to low differential pressure.This valve 100 in...  
JP2010116979
To make a straightened fluid flow to the downstream side by damping pulsation of a pressure fluid while preventing a backflow of the fluid by a check valve, by imparting the restraining function of the pulsation of the fluid to a backflo...  
JP2010112392
To provide a pressure reducing exhaust valve which is applicable to a pressure reducing device having only one exhaust passage (a main exhaust passage), fast in exhaust velocity and capable of suppressing the soaring of particles, and al...  
JP2010101474
To provide a check valve capable of surely avoiding a break of a diaphragm even in the case of using in an environment, in which a shocking internal pressure fluctuation is applied from a secondary side, and to provide a water softening ...  
JP2010101336
To suppress the occurrence of an impact or the like by increasing a damping effect on the axial displacement of a spool.This spool valve includes a variable restriction mechanism 15 serving as a resistance generating means to provide the...  
JP2010096298
To provide a check valve capable of easily manufacturing at low cost a small-sized one having a pressure relieving function.The check valve 100 having pressure relieving function is structured so that a check valve element 30 is installe...  
JP2010084797
To provide a single lever faucet effectively developing noise deadening effects on water flowing noises without incorporating another component such as a meshed member for noise deadening effects.In the single lever faucet, a mixing cham...  
JP2010065762
To provide a single lever faucet for securing a sufficient sealing function and high sealing reliability by effectively operating the screwing push-in force of a fixing nut on the center side of a valve case to effectively compress and d...  
JP2010060000
To provide a constant-flow valve which is compact and equipped with a simple structure and moreover suppresses overshoot in low-pressure range and cavitation in high-pressure range.The constant-flow valve, which comprises: an outer-side ...  
JP2010031922
To provide a throttle device easy in processing with a relatively inexpensive, simple and compact constitution, superior in product assembling performance, and capable of realizing highly accurate flow rate control, by restraining a chan...  
JP2010025330
To provide a water stop valve with a water hammer prevention function which does not generate a water hammer.A sphere 2 and a valve seat 3 are provided in the cylindrical center which has an inlet port 10 and an outlet port 11. The water...  
JP2010025323
To provide a mechanical excessive pressure protective switch for protecting a device receiving external pressure from excessive pressure by utilizing the external pressure without requiring a power source and a controller.The mechanical ...  
JP2010025171
To provide a delivery controller used for supplying fluid such as a chemical to a semiconductor wafer or for dripping a fixed amount of the chemical in the medical field.A body 1 is provided with an almost conical shape liquid chamber 6 ...  
JP2010019406
To provide a motor-driven valve capable of reducing a rasping noise caused by cavitation as much as possible.This motor-driven valve is constituted to set a hole diameter of a short cylindrical part (narrowest part) 22b to 1.0-2.4 mm in ...  
JP2010019378
To provide an expansion valve capable of reducing a flow noise of a refrigerant in a contraction portion.This expansion valve 4 includes a body 41 formed with the second refrigerant passage 49 having a valve port 53 in its midway, a valv...  
JP2010014280
To provide a low noise rotary valve capable of reducing noise and cavitation throughout all openings.Mutually orthogonal and communicating penetration passage 61 and communication path 31 are formed on a ball plug 60. A noise reducing me...  
JP2010002020
To provide a valve apparatus for meeting specific needs and a faucet including such the valve apparatus.The valve apparatus includes a fixed side apparatus part and a movable-side apparatus part and is changed from a water stop state to ...  

Matches 501 - 550 out of 1,862