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JP3676727 |
To prevent a valve from biting at a valve seat of a seated part in an opening/closing valve, and to suppress a drastic increase of a flow rate of a fluid flowing in an opening at the primary stage of an increase in area of the opening fo...
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JP3673185 |
To provide a compressor capable of absorbing noise and vibration generated by a pulsation phenomenon of fluid delivered under high pressure. This compressor is composed of a valve seat 6 for respectively forming an inflow port 2 in which...
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JP3672380 |
To prevent such fear that functional parts may not be destroyed even though a fluid shock is applied, by arranging a valve element holder which is fixed in a valve main body and in which a valve element is slid on its inner wall, and a s...
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JP3664631 |
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 ...
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JP2005090544 |
To provide a vacuum breaker having a pressure gauge that is hardly affected by vacuum and pulsation pressure.In a valve casing 1 having an inflow port 2 to be connected to a fluid piping system (unillustrated) and an open air port 3 to b...
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JP2005090555 |
To provide a low-priced pressure reducing control valve capable of effectively restricting the generation of cavitation due to high-pressure fluid and having a long service life.In the pressure reducing control valve provided with a pres...
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JP2005083690 |
To solve the problems of being complicated in a structure, increasing part cost and assembling cost, and being inferior in reliability, which are possessed by a conventional dehumidifying orifice device capable of changing an orifice qua...
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JP2005069335 |
To provide a structure for supporting a valve body in a control valve and a pressure control valve using this supporting structure which can exert stable flow characteristics over a long period of time, having less particles generated, a...
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JP3655788 |
To provide a shockless valve working respectively in flows in both directions of one direction and the other direction. A plunger 33 is interfitted slidably in a valve body 32, and a spring 42 for holding the plunger 33 on a neutral posi...
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JP3652970 |
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 ...
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JP3652940 |
To prevent the generation of a harmful impact wave in a nozzle situated downstream as a low pressure region is insured in the vicinity of the tip of a poppet valve and to provide a poppet valve device which is to be increased in a thrust...
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JP2005054918 |
To provide a compact cage valve capable of preventing occurrence of damages, vibration, noise or cavitation of the valve.In the cage valve provided with a cage 7 which is fixed in one chamber divided by a partition 2 to divide the inside...
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JP2005035482 |
To provide a flow control valve which suppresses occurrence of cavitation in a discharge passage.When the discharge passage 5 is communicated with a supply passage 4 via the inside of a spool hole 6 by movement of a spool S, the flow con...
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JP2005035481 |
To provide a flow control valve, preventing abrasion of the bottom of a discharge recessed part and its periphery even if cavitation occurs.In this flow control valve, when a discharge passage 5 and a discharge communicating passage 29 a...
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JP2005030115 |
To provide a flow rate restraining top, hardly blocked up, even if foreign matter such as rust flows and comes, by restraining a maximum water quantity so that a water quantity of a certain degree or more does not flow out, even if a fau...
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JP2005030561 |
To effectively damp vibration of a valve such as fluid vibration by simply constructing a device to be easily mounted on a valve.A mounting table 65 with a vibration damping mechanism 71 for damping vibration in one direction is mounted ...
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JP2005023741 |
To solve problems wherein natural water discharge feeling before installing a flow rate adjusting device is lost and discharge water scatters into the surroundings because flow becomes turbulent and discharge water becomes unruly and sca...
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JP3638475 |
To provide a valve applicable to a fluid containing slurry and foreign matter with a simple structure, usable at a high flow speed, and having the structure without partly applying unreasonable stress, while a noise is suppressed by decr...
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JP3636880 |
To check the occurrence of any noise and pressure fluctuations due to getting valve constituent parts vibrated by a flow of fluid passing through a valve part in time of operation of this relief valve. A relief valve 70, relieving fluid ...
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JP3637239 |
To prevent a rapid closing of a single axle pressure-reducing valve owing to a rapid pressure-rising on the secondary side by providing a cylindrical portion inserted into a secondary side passage on the rear end side of a cylindrical bo...
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JP2005000669 |
To provide a modified orifice mechanism for delivering the medicine.The orifice device for delivering the medicine comprises an inner member with the base end part and the distal end part. A coil is wound spirally on the circumference of...
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JP2005000671 |
To provide a production method of a modified orifice mechanism.The production method of the orifice mechanism comprises the step of preparing a mandrel with a predetermined length and the step of winding a coil spirally at least on a par...
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JP2005003114 |
To provide a solenoid valve having improved quietness and great durability so that the function of members for fragmenting bubbles is not lost for a long period even when contaminants and dust mixed in refrigerant are deposited thereon.T...
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JP2005003034 |
To provide a check valve having high durability by combining wear resistance and corrosion resistance for preventing corrosion due to cavitation.The check valve for a water spray loom comprises a valve seat, a valve element for opening/c...
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JP3628432 |
To simply manufacture a faucet and improve the degree of freedom for the design by communicating flow passages on the water feed side and the hot water feed side to each other through a communicating passage, and internally mounting cush...
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JP2004340260 |
To provide a flow control valve, restraining the generation of noise caused by a fluid such as refrigerant passing a valve port to the utmost, and further reducing the noise level.The inner peripheral surface of an enlarged diameter part...
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JP2004332932 |
To solve the problem that relates to former regulation of flow rate in transient state of opening or closing a ball valve and intermediate position for conventional products when using for gaseous fluid as for ball type epochal control v...
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JP2004316679 |
To prevent occurrence of water hammer while having a relatively simple structures of a diaphragm valve element and a valve seat.A flow control valve 1 is equipped with a valve seal 10 and valve hole 11 provided between an input port 7 an...
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JP2004301184 |
To provide a disc type valve unit to to prevent generation of a water hammer without deteriorating operation performance and design performance of a single lever type combination faucet.Above a fixed valve plate provided with a cold wate...
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JP3609012 |
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 ...
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JP2004270709 |
To provide a butterfly check valve allowing adjustment of closure time even while a water supply device is operated and preventing a rotating means from being exposed to fluid (water), without the need for any special measures for securi...
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JP2004239345 |
To provide an emergency cut-off valve capable of reducing water hammer occurring on a pipe in an urgent cutting-off and filling water at a constant flow with a small opening in filling water.In this emergency cut-off valve, a disk valve ...
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JP2004197877 |
To protect a valve seat part of a uniaxial pressure regulator for tap water from being damaged by high water pressure in water hammer phenomenon.A stopper for limiting the stroke, is mounted on a plunger of a uniaxial pressure regulator ...
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JP2004197834 |
To provide a pressure relief device capable of preventing the fuel leakage in accompany with the pressure pulsation by reducing the pressure pulsation at an upstream side of the relief valve, regardless of a rotating speed of a fuel supp...
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JP2004190769 |
To provide a cylinder valve reduced in generation of noises when feeding water, and to provide a water supply device.This cylinder valve is formed by fitting a valve element having one or a plurality of openings in a side surface thereof...
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JP2004190768 |
To provide a cylinder valve reduced in the generation of noises when feeding water, and to provide a water supply device provided with the same.This cylinder valve is formed by fitting a valve element having one or a plurality of opening...
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JP2004190838 |
To provide a control valve allowing a reduction in vibration of a main valve.This control valve comprises a tubular main valve 5 opening/closing an opening part 4 stored in a tubular cage 2 having, on its side face, the opening part 4 fo...
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JP2004183673 |
To provide a butterfly valve provided with a water charging function in which manual operation to a valve element is light in a small opening range smaller than a water charging opening, so that the water charging opening can be easily a...
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JP2004176873 |
To solve a problem that a negative pressure occurs between a check valve and a delivery stop valve when a check valve is situated in the middle of a flow passage to prevent the occurrence of a water hammer due to a rebound of a pressure ...
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JP2004156742 |
To provide a flow control valve by which water quantity control can be easily executed even if used in a high water pressure area and which can stably adjust the flow rate for a long period of time.The flow control valve is composed of a...
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JP2004138180 |
To provide a butterfly valve capable of adjusting a minute rate of a flow using a simple structure and eliminating the risk of an erosion damage due to cavitation when the rate of the flow is minute.Swollen parts 6a and 6b are formed on ...
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JP2004138211 |
To provide a method for fixing a solenoid feed water valve preventing water stop failure by restraining vibration in a water stop and having good water drainability.This solenoid feed water valve comprises a primary pressure chamber 23 i...
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JP2004132498 |
To provide a simple, inexpensively manufacturable and compact shutoff valve having the decompressing function.A part of an inlet 46 side body 41 of a fluid passage 48 of the shutoff valve is formed as an orifice member 49, and an orifice...
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JP2004130919 |
To provide an excessive pressure discharge structure of a gaseous fuel tank capable of suppressing evaporated gas from affecting the peripheral parts by damping the force of the excessive pressure spouted from a relief valve.The relief v...
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JP2004132929 |
To allow accurate measurement when pressure is fluctuated or when the pressure is constant.A pressure fluctuation control valve 7 for restraining a reverse-directional flow and for imparting a flow to diffuse a fluid along a normal direc...
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JP2004116607 |
To prevent a valve body and a downstream pipe from vibrating effectively by suppressing unstable flow, shock wave and excess flow of steam and fostering valve seat attached flow by a skirt-shaped portion having an appropriate broadening ...
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JP3542777 |
To obtain a stable small flow rate even when disturbance is generated in a flow and to execute stable valve opening/closing action without generating a water hammer. When the water pressure P4 of an outflow room 24 is a prescribed value ...
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JP2004106642 |
To provide a damper valve which effectively prevents a valve plate from adhering to and hardly separating from a contact surface, stabilizes an operation of the valve plate, and provides well steering feeling, and also to provide a hydra...
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JP2004100797 |
To reduce noises generated by fluid flowing from a cage inside to the outside of the cage butting against a metal casing in a valve.This low noise valve is provided with the metal casing 1 having a fluid guide part and delivery part, the...
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JP2004100804 |
To provide a valve opening/closing machine preventing water hammer by automatically delaying a valve closing speed of a valve element in a small opening region than a valve closing speed in a region except for the small opening region.Th...
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