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JP2002061771 |
To reduce the valve driving force of a flow control valve used in a power generating plant.A valve element part 12 is vertically movably arranged in a body 40. When a valve stem 41 is pulled up, a valve stem bottom 48 is separated from a...
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JP2002061756 |
To provide an operating system for a float type butterfly valve that can avoid a water hammer and easily control a flow rate near a fully closing position by avoiding quick closing from near the fully closing position to the fully closin...
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JP2002054753 |
To provide a single lever combination faucet capable of preventing the occurrence of such problems that water in a bore cannot be drained and a lever handle cannot be closed because chips and wear powders peeling off from a packing are p...
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JP2002055721 |
To reduce any uncomfortable flowing sound generated at the time of stopping a pressure reducing valve for opening and closing a water channel between a primary channel and a secondary channel.A pressure reducing valve 7 having a primary ...
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JP2002054609 |
To provide a hydraulic actuator system capable of preventing generation of impact sound when a stopped state of a subject part is released.When the subject part 52 is stopped against gravitation, a first change-over valve 53 is changed t...
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JP2002039489 |
To absorb impact waves generated with quick close of a terminal unit in the downstream of a uniaxial decompression valve without influencing the sensitivity of the decompression valve while the valve is arranged as installed without invo...
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JP3273348 |
PURPOSE: To provide a temperature sensing valve without generating a chattering phenomenon just after a valve is opened. CONSTITUTION: An inlet 3, a valve opening 4 and an outlet 5 are formed in a valve easing. A valve body 6 is arranged...
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JP3274435 |
To minimize the occurrence of switching noise by operation-connecting a valve element to a damping device obstructing its valve motion. A valve device 19 is provided with a valve element 29 and a first closing valve 27 called the other v...
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JP3274738 |
PURPOSE: To provide a valve structure for a pressurized water purifier capable of easily obtaining the smoothest possible flow with minimum pulsations. CONSTITUTION: The valve structure includes a pressure-elevating pump mounted on an in...
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JP3273346 |
PURPOSE: To provide a thermosensitive valve that prevent any chattering phenomenon from occurring just after being opened. CONSTITUTION: An inlet 3, a valve port 4 and an outlet 5 are formed in a valve casing, and a valve element 6 is se...
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JP3272198 |
PURPOSE: To prevent water hammer from taking place without sacrificing operativity of a single lever in a single lever type mixing water plug in which a fixed plate and a movable plate are enclosed by being faced to each other in mutuall...
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JP2002022104 |
To provide a drain discharging system for boiler provided with a means which prevents the occurrence of water hammering when the discharging system is reused.This drain discharging system is provided with an atmosphere suction check valv...
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JP2002019888 |
To deliver drink liquid to be distributed such as beer which can be delivered in proper quantities so as to be dispensed, without lowering the quality of the drink liquid.A tube 51 connected to a dispensing apparatus body 23 is inserted ...
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JP2002022034 |
To provide a butterfly valve capable of easily executing the fine adjustment of a flow rate in a small opening zone of a valve element with high accuracy.An outer peripheral seat 2A of the valve element 2 has a first seat part 20 closely...
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JP2002022052 |
To provide a hot water pipeline control valve for hot water heating system with high pressure efficiency never causing a pressure loss of hot water.This control valve comprises a main valve 11 for adjusting the passage sectional area of ...
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JP2002019630 |
To provide a power steering device capable of effectively restraining generation of a shimmy phenomenon and excess vibration of a steering wheel caused by vibration of a control valve with a simple structure.A shock absorbing chamber A i...
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JP2002013690 |
To provide a removable connection tool, formed with a sleeve to contain a stop valve and a check valve being movable mounted in a connection member, stoppage and blocking of a reverse flow are effected by the stop valve and the check val...
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JP2002013663 |
To provide water hammer dealing structure, that an on/off valve device for fire-fighting equipment is provided to prevent the occurrence of water hammer, and a condition is provided to compromise between too fast a flow of water immediat...
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JP3267702 |
PURPOSE: To offer a valve with reduced vibrations by designing the valve in such a manner that the valve material is seated at the inside diameter side of the gear on the seat having teeth which are separated by a multiple of dent parts,...
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JP2002005325 |
To provide a valve that can absorb an axial dimensional error made in piping work and is easily mountable on feed piping, without a pipe joint with a loose flange.A flange 1A for connection at one axial end of a cylindrical valve casing ...
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JP2002005393 |
To miniaturize a device, enhance drain capability, to prevent damage of a float due to disturbance and to prevent generation of a water hammer.A main body 1 has a float chamber 1a and has an inflow port and a discharge port communicated ...
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JP2002005329 |
To provide a solenoid valve that is free from damage to a valve seat and seat packing due to cavitation and from wear of a plunger and a core due to inclination of a valve element.The solenoid valve comprises a valve body 2 wherein an in...
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JP2001355409 |
To prevent the self-excited vibration of a valve element caused by the flow in a clearance between the valve element and a cage in a flow govering valve for dividing the fluid flowing in the clearance into the main flow and the by-pass f...
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JP2001349453 |
To provide a flap valve capable of reducing impact load when a valve element closes, without requiring high strength of a valve trunk or skeleton for attaching the flap valve, and reducing impact sound when the valve element closes.This ...
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JP2001349454 |
To provide a check valve capable of completely preventing back flow with less noise and favorable durability, and to provide a usage of the check valve capable of predicting functional imparment tendency of the check valve, that is, dete...
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JP3263360 |
To provide a four way selector valve having the muffling function capable of damping the pulsation of delivery pressure of a compressor without using a pressure pulsation clamping muffler, and capable of space saving and cost reducing. A...
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JP2001343080 |
To provide a relief valve which can restrain the vibration and reduce the unusual noise due to vibration.A frictional resistance is given to movements of a spool 9 by installing a seal ring 30 which slidably contacts with an outer periph...
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JP2001336646 |
To provide a hot-cold water mixing valve consisting of one control valve emitting less passing sounds at the time of cold side shutoff control and capable of working well with steeply varying temperature.The hot-cold water mixing valve i...
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JP3256874 |
To provide a multi-functional pressure control valve provided with the functions of the plural kinds of the valves such as an unloading valve, a pressure adjustment valve and a safety valve together by adding an elevating and lowering de...
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JP2001336481 |
To provide a valve integrated pump unit which can switchover the operation flow of a fluid while relieving the pressure fluctuation.In a valve integrated pump unit equipped with a flow direction switchover valve 3, which is equipped with...
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JP2001336666 |
To suppress a water hammering of a feed valve and to prevent malfunction caused by stuffing of refuse into bleed holes.This feed valve has a diaphragm valve 5 having the bleed hole 16 communicating with a back pressure part 19 including ...
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JP2001336664 |
To reduce noises generated by a solenoid valve.An inner housing having a solenoid mechanism and a valve mechanism is journalled via a rubber in an outer housing in the solenoid valve, transfer component of a collision sound generated by ...
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JP2001330171 |
To provide a uniaxial pressure reducing valve preventing an occurrence of a secondary water hammer without deteriorating its sensitiveness.In this uniaxial pressure reducing valve, a partition wall or a valve seat fitting is provided so ...
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JP2001324037 |
To simplify the structure of a check valve with a variable throttle of an inline type to be used for a steering damper to attemperate impact of kick-back, etc., to reduce assembly man-hours and to reduce manufacturing cost.This check val...
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JP3248857 |
To continue to supply a priority circuit with pressure oil from operating oil supply port under stable oil pressure, as the pressure oil is supplied from a supply passage opened left and right with a surplus oil discharge passage between...
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JP2001304441 |
To prevent the impulsive sound produced when a valve element of a check valve, abuts on a seat. A cushioning material 10 is mounted on a part where the valve element 8 abuts on the seat member, 5 for buffering the impact caused by the ab...
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JP2001295250 |
To provide a pressure reducing valve capable of reducing energy more than the conventional pressure reducing valve. This pressure reducing valve is provided with a water guide tube 3 having an inlet 1 of high-pressure water at one end se...
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JP3245035 |
To improve productivity and prevent generation of characteristic change or abnormal noise by composing a valve of a valve body fitted to a movable iron core and a valve seat of a housing, making the inner dia. part of a bobbin a guide ma...
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JP2001295960 |
To provide a solenoid valve improved in space efficiency and assembling workability. A second case 12b of this solenoid valve 11 is provided with a cylindrical volume chamber 21, and a foreign matter eliminating filter 25 of truncated co...
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JP2001289538 |
To provide a motor driven valve capable of effectively preventing ragged noises by reducing to the utmost fluid sounds generated upon a fluid passing through an orifice formed between a valve element and an outflow hole through an inflow...
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JP2001282362 |
To provide a throttle valve capable of stably controlling a very small flow rate and easily manufacturable by an economical working method and to provide a switching valve using the throttle valve. In this throttle valve for allowing flu...
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JP2001271963 |
To provide a screw type control valve to prevent the occurrence of cavitation against even a high-speed flow by linearly controlling a flow rate through a change of a pressure loss in a valve casing. The screw type control valve comprise...
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JP2001263503 |
To reduce a cavitation generated in a valve contracted flow part, and to suppress noises and improve the controllability by suppressing the cavitation.This eccentric butterfly valve, in which a seal face between the circumferential face ...
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JP2001263516 |
To prevent a relief valve from chattering and sounding.This relief valve is characterized that an O-ring 5 formed of an elastic body is provided in a valve seat 4 enabling to close a relief hole 3 by receiving a relief ball 2 sprung by a...
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JP2001263864 |
To reduce noise generated when a large quantity of refrigerant flows through a passage hole.Since the first passage 43a of a two-phase refrigerant passage 43 on the low pressure side is provided with a member 60 projecting toward a secon...
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JP2001263522 |
To hold calmness by preventing abutment sound generated in operating a solenoid valve.This solenoid valve is provided with a disk member 46 connected to one end of a movable iron core 42 and integrally interlocked with the movable iron c...
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JP3231178 |
PURPOSE: To secure the sealing between a valve plate and a valve stem while the flow passage resistance of an inlet port is reduced in a check valve where an expanded head part of the valve stem to support the valve plate is inserted in ...
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JP2001241589 |
To provide a flow control device, wherein a flow is restricted to a predetermined value by a constriction of fluid flow pipe-line which is an open hole positioned approximately at the center of a flow seat due to a deflection deformation...
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JP2001241072 |
To prevent excessive upgrading of quality of each water piping in a water supply piping installation in a large building, and to maintain the pressure in pipes as appropriate, to thereby implement equalized water supply to each dwelling ...
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JP2001234825 |
To effectively damp vibration of a closure body for eliminating problems caused by vibration of the closure body which frequently occur in a conventional pressure regulating valve.In the pressure regulating valve for regulating fluid pre...
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