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JP2009209976A |
To provide a highly versatile silencer for reducing a sound generated in a pipe for flowing fluid, when the type or use state of the pressure control device is different, and the pressure control device including the silencer and control...
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JP2009204043A |
To provide a shift valve with an orifice function, enabling to set an orifice only by changing the shape of the valve while avoiding a trouble due to the clogging of dust or others.The shift valve is changed over between a first position...
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JP4319667B2 |
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JP2009185855A |
To provide an oil relief mechanism easily securing a desired oil relief property, and to provide an oil relief device.The oil relief mechanism M comprises a communication passage 25 communicating with a discharge passage, and a shaft-lik...
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JP4316655B2 |
Provided is a butterfly valve that prevents occurrence of erosion, thereby rendering it possible to secure fine adjustment of a volumetric flow rate of a fluid in an area of low degree of valve opening or in an area of minute degree of v...
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JP4316330B2 |
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JP4315060B2 |
To provide an expansion valve capable of reducing discontinuous refrigerant passing noise generated at an outlet side of the expansion valve when a gas-liquid two phase refrigerant flows in without impairing the reliability, and to provi...
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JP2009180374A |
To provide a clamp apparatus which can adjust a hydraulic pressurized fluid flow easily and certainly, having a simplified configuration for fluid flow adjustment.The clamp body 2 of clamp apparatus 1 is provided with a fluid flow contro...
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JP4303717B2 |
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JP4303759B2 |
To reduce power consumption while reducing refrigerant flowing sound and ensuring a necessary dehumidification quantity in dehumidifying operation for performing dehumidification while preventing drop of room temperature by a refrigerati...
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JP2009162384A |
To provide a flow control valve capable of reducing an influence of a change in the viscosity of a control fluid.The flow control valve includes a sliding shaft 30 and a sliding cylindrical face 21a fitted mutually to slide in the axial ...
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JP2009162349A |
To provide a relief valve capable of sufficiently suppressing generation of abnormal noise.The relief valve comprises a retainer 11 provided to contact a back side of a poppet 5 in a sleeve 3 for holding one end side of a spring 6 and gu...
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JP4301836B2 |
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JP2009156430A |
To provide a water supply device unsusceptible to occurrence of abnormal noise, while using a constant flow control valve of a type using an elastic ring.The water supply device 1 with constant flow control valve includes: a water supply...
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JP4295853B2 |
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JP4296196B2 |
To provide a vacuum valve with an improved endurance of a bellows, a vacuum valve comprises: a valve section including a first port, a second port, a valve seat provided between the first and second ports, and a valve element movable int...
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JP2009150555A |
To provide a flow control valve having a flow change rate constant with respect to a rotating angle even in multiple rotations and at any position without changing a flow rate even if the temperature changes.This flow control valve inclu...
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JP4292142B2 |
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JP4292233B2 |
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JP4293903B2 |
A fluid pressure reduction device comprises a plurality of stacked disks having a perimeter and a hollow center aligned along a longitudinal axis. Each disk has at least one flow path extending between the hollow center and the perimeter...
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JP4292676B2 |
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 seco...
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JP4285897B2 |
To obtain an expansion valve for refrigeration cycle in which generation of high frequency sound is prevented at the time of starting at a low cost. In an expansion valve arranged such that the flow of refrigerant being jetted from a ref...
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JP2009127716A |
To provide a quick closing check valve with a noise elimination function capable of effectively reducing noise caused in a passage to carry out noise elimination, and capable of reducing vibration isolating countermeasures.The check valv...
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JP2009119901A |
To solve a problem wherein the flow of a hydraulic fluid becomes turbulent in a check valve to cause noise when a flow rate per unit time is increased in the check valve by abrupt steering.A Reynolds number in a first one-way valve is 2,...
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JP4273859B2 |
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JP4271532B2 |
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JP2009115221A |
To solve the following problems: when an accumulator is connected in a pipe so as to reduce pulsations from a motor pump, the hydraulic equipment requires a larger installation space to be upsized, also requires high costs, and in the ca...
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JP4267866B2 |
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JP4263250B2 |
A valve includes a fluid inlet passageway coupled to a fluid outlet passageway through an orifice and a valve plug that is moveable with respect to the orifice to vary the rate of fluid flow through the orifice. A seat ring is disposed a...
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JP4262634B2 |
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JPWO2007046379A1 |
A cage 7 fixed in one of the chambers divided by a partition wall 2 that divides the valve body into an upstream side and a downstream side and has a plurality of flow rate control windows 13 on the peripheral wall, and a cage that slide...
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JP4255982B1 |
[Subject] When setting the valve travel of a flow control valve as a target flow, the equipment for dial spotting of a flow control valve, and the program for dial spotting and storage medium of a flow control valve which can rectify eas...
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JP2009079646A |
To improve durability while securing suppression effect of abnormal noise generated upon seating of a float.A first valve mechanism 50 comprises a float chamber formed inside a casing body 31, a first float 51 vertically movably housed i...
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JP2009073229A |
To provide a hydraulic control valve capable of suppressing cavitation at a contraction part and preventing generation of noise.The hydraulic control valve is provided with a valve body formed to a cylindrical shape; a valve shaft relati...
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JP4252618B2 |
Provided is a butterfly valve that prevents occurrence of erosion, thereby rendering it possible to secure fine adjustment of a volumetric flow rate of a fluid in an area of low degree of valve opening or in an area of minute degree of v...
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JP4251590B2 |
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JP4253333B2 |
The flow controller is capable of optionally controlling flow volume of controlled flow and reducing weight and a production cost. The flow controller comprises: a main body (2) having a first flow path (2a) and a second flow path (2b); ...
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JP2009069107A |
To realize a high precision measuring system of integrated measurement of flow by the product of a delivery amount of a pump and time.An orifice tube 6 with a shape of no eddy current flow and no contraction flow is provided to a deliver...
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JP4245187B2 |
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JP2009058015A |
To facilitate driving of a valve element by an actuator with a low cost and a simple constitution.Liquid control equipment 100 is equipped with a valve V having a first port 10 and a second part 12, a first conduit line 30 connected to t...
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JP4238289B2 |
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JP2009052622A |
To provide an antinoise structure for a flow rate control valve capable of reducing noise caused by vibration of a component connected to an upstream side and/or a downstream side of the flow rate control valve.The flow rate control valv...
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JP4233110B1 |
To have a cavitation suppressing ability even in a single valve body, and to be able to control a flow rate and a pressure with high accuracy in a wide range of valve openings from a low opening to a high opening, and to open the valve i...
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JP4234499B2 |
Variable flowrate regulators of this invention comprise a regulator body (12) having a fluid transport chamber disposed therethrough. Fluid inlet and outlet ports (18,20) are in fluid flow communication with the chamber, and a valve seat...
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JP4232450B2 |
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JP4227885B2 |
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JP4221922B2 |
To obtain a restricting device and a flow control device which enable setting of a different amount of restriction for a refrigerant flow in normal and reverse directions and to obtain air conditioning equipment which can conduct heating...
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JP4209193B2 |
Provided is a butterfly valve that prevents occurrence of erosion, thereby rendering it possible to secure fine adjustment of a volumetric flow rate of a fluid in an area of low degree of valve opening or in an area of minute degree of v...
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JP2009002378A |
To provide a spool valve high in reliability, which absorbs collision noise without increasing its size.A metallic plate 31 is disposed in a collision position of a spool 14 to form a damper chamber A between the sleeve 13 and it. A damp...
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JP4194742B2 |
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