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JP4445557B2 |
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JP4440549B2 |
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JP2010019336A |
To provide a valve reinforcing device smoothly performing opening/closing the operation of a valve by reinforcing a yoke and a gland presser of a yoke type valve of a short neck short in a distance between a handle and a valve casing.A p...
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JP2010019335A |
To provide a valve reinforcing device capable of smoothly performing the opening/closing operation of a valve by reinforcing a yoke and a gland presser of a yoke type valve even in a repairing difficult place.A baseplate 24 is fixed to a...
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JP2009299770A |
To provide a valve device capable of smoothly opening and closing a valve element even in a low temperature environment by improving operability.This valve device has a body for arranging a primary chamber 110a for introducing fluid and ...
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JP4386414B2 |
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JP2009287769A |
To provide a low noise type electronic expansion valve capable of shutting off flow of refrigerant in a valve chamber into an inside of a can by a disc bellows.The electronic expansion valve has a can bent part 12 in which a lower end te...
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JP4367844B2 |
To provide a valve device, decreased in size and weight, and reduced in outside diameter, and heightening handleability and workability as compared with the conventional one having excessive structure with respect to refrigerant withstan...
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JP4355195B2 |
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JP4355196B2 |
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JP4344738B2 |
Valve device (10) has housing body (12), in which a fluid chamber (14) with sealing seat (22) is formed. Switching body (16) has a cast single-piece rigid framework (24) and a flexible membrane (28) with a closing body (34) integrated th...
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JP4340119B2 |
A chemical liquid valve is arranged such that a diaphragm coupled to a piston rod is brought into/out of contact with a valve seat provided between an inlet port and an outlet port. To achieve a chemical liquid valve providing stable sea...
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JP2009191921A |
To provide a switchover valve which can efficiently introduce fluid to a channel by preventing an introduced fluid from leaking to the outside, and a tooth paste filling device using it.The switchover valve includes a valve element 10 pr...
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JP4307213B2 |
A valve has a housing, a shaft with a valve disc, and a sliding shaft support portion along which the shaft slides, wherein the sliding shaft support portion is provided with a seal member movable and deformable in a certain range.
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JP4298813B2 |
An in-line, lever actuated valve for use in a liquid filling apparatus includes a valve body having an outer surface and defining an inlet region, an outlet region and a flow chamber intermediate the inlet and outlet regions. The valve b...
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JP4286934B2 |
Flat annular upper and lower surfaces of a support step (5c) of a valve seat holder (5) and a deflection limiter (6) are formed with different outer diameters so that bending stresses occur in different regions of a diaphragm (7) dependi...
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JP4279458B2 |
The invention relates to a bellows to seal a valve rod passage in a lifting valve, specifically formed as an expansion bellows or corrugated tube, which ensures a reliable, hygienically proper and durable static sealing of the connecting...
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JP4270617B2 |
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JP2009103315A |
To provide a gas valve which has a simple configuration and can keep a better airtight state.The gas valve 1 includes: a main body 10 including a gas flow passage 14 and valve element sliding surface 15 inside thereof; a plug body 20 whi...
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JP4258806B2 |
A vacuum regulating valve which is simplified in structure and where the flow rate characteristic in evacuating a vacuum vessel is improved, comprises (i) a main valve 1 A of a large size which has: a principal body 4 having two main por...
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JP4253590B2 |
The invention relates to a fuel injection valve (1), especially an injection valve for fuel injection systems in internal combustion engines. Said fuel injection valve comprises a membrane (10) which is guided around an injection-side en...
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JP4252937B2 |
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JP2009058057A |
To provide a liquid control valve capable of preventing oil and the like from eluting from an annular seal member and the like of a driving part even if diaphragm valve element is broken, and quickly detecting abnormality such as breakag...
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JP4230502B2 |
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JP4230501B2 |
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JP4220577B2 |
An all metal diaphragm valve is provided. The valve includes a housing having an inlet passage and an outlet passage each of which communicates with a valve chamber. Portions of the inlet passage in the valve chamber are surrounded by a ...
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JP4217965B2 |
A vacuum regulating valve is capable of precisely controlling the flow of a fluid so that the flow rate may increase gradually in an initial stage of a valve opening operation. The vacuum regulating valve includes a valve casing having a...
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JP2009014030A |
To obtain sufficient stroke amount of a valve body, in a motor-operated valve having the valve body displaced by a predetermined drive source.In a displacement enlarging mechanism (60), a first displacement part (48) pressed by the drive...
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JP4213724B2 |
A two-part, low friction, live loaded packing system for fire safety and low fugitive emission sealing (less than 500 ppm) of a valve stem at operating temperatures up to 450 DEG F. (232 DEG C.). One lower packing ring set around the val...
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JP2009002382A |
To provide a fluid control valve device, in which malfunction or breakage is prevented even if it is operated under a low temperature environment wherein water drops can be frozen, by reducing the deposition amount of water drops in a pa...
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JP2008304067A |
To improve sealing performance of a valve seat, and to improve the fatigue life of a diaphragm, in a diaphragm valve.A valve seat arrangement is equipped with a body 10 having an inlet port and an outlet port for an fluid and a diaphragm...
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JP4179114B2 |
To protect a drive unit in a fluid valve assembly from impurities over a long term by preventing entrance of such impurities to the drive unit, a seal structure the sealing performance of which is hardly reduced is adopted around a movin...
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JP4175435B2 |
A fluid control valve in which the usual metal stem guide bushings have been eliminated. A fluid control valve includes a valve bonnet and a packing nut threadably engaging the valve bonnet. A valve stem passes through the valve bonnet a...
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JP4171900B2 |
An annular valve seat is formed in a connecting path connecting a first main port and a second main port, a circular flow path wall having a diameter greater than a seat diameter is formed around the valve seat so as to surround the valv...
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JP4169892B2 |
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JP2008232291A |
To provide a method for handling a pyrophoric substance, capable of safely treating a pyrophoric substance by preventing leak of air from a valve into a pipe, and a valve device used therefor.When the valve device 10 provided in the pipe...
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JP4158952B2 |
To offer a seal structure which can seal a shaft inserting part while manipulation of the shaft is admitted in a high temp. situation. A seal structure to seal a shaft inserting part into a vessel to be heated to a high temp. includes a ...
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JP4150480B2 |
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JP4142883B2 |
A diaphragm valve capable of increasing durability of a diaphragm comprises a valve body internally formed with a valve chamber having an open upper end and a suck-back chamber having an open lower end, between an inlet passage and an ou...
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JP3144224U |
To provide a gas valve adjusting switch structure in which a gas valve adjusting switch is completely airtightened by an airtight ring, the degree of airtightness is adjusted, and parts can be easily replaced. A gas valve adjusting switc...
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JP4126143B2 |
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JP4110512B2 |
A chamber port to which a vacuum chamber is connected and a pump port to which a vacuum pump is connected are formed on a valve body of a vacuum regulating valve. A valve plug includes a plate and a nose which is connected to the plate b...
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JP4112641B2 |
A volumetric pump for administering intravenous fluids to a patient comprises a housing having an elongate cavity therein with an open and a closed end. A resilient sheet of material having a centrally-located aperture covers the open en...
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JP4106022B2 |
In accordance with the invention a sealing ring of deformable material having a radially inwardly facing inner sealing surface and a radially outwardly facing outer sealing surface, characterized by at least one pressure surface which as...
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JP2008133928A |
To provide a diaphragm valve device advantageous in reducing the size of a driving part.The valve device includes a driving part 4 for opening/closing a movable body 2 provided with a valve element 21, and a rolling diaphragm 6 which is ...
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JP4099766B2 |
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JP4097065B2 |
A pneumatic valve includes a cylinder having at least one gas port for providing inflow and outflow of a gas; a piston arranged in the cylinder and performing a reciprocating, straight-line movement in response to the inflow and outflow ...
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JP2008068880A |
To provide a liquid container which smoothly discharges a liquid even when the liquid of the relatively high viscosity is stored in a container body.In the liquid container 10, a gas feeding means 16 which feeds gas between a level L1 of...
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JP4064390B2 |
To reliably restrain exhaust gas flowing through the inside of a valve base part from leaking to the outside. In an exhaust gas recirculation valve, a valve base part 14 forming a valve chamber through which exhaust gas flows is disposed...
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JP4055002B2 |
A vacuum regulating valve includes a valve casing provided with two main ports, a passage connecting the two main ports, a valve seat formed in the passage, a valve element capable of being seated on the valve seat, a valve stem extendin...
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