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JP2905744B2 |
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JP2899811B2 |
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JP2899108B2 |
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JP2887459B2 |
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JP2594323Y2 |
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JPH11108212A |
To provide a valve seat structure of an air valve with high reliability of pulling out of the valve seat. This air valve is constituted so as to form a communicating hole 23 communicating into the duct at the bottom part and arrange a ro...
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JPH11101356A |
To provide a seal structure wherein mounting/demounting of an O ring are facilitated, performance of the O ring is prevented from being deteriorated, and the O ring facilitating working is provided. This device relates to a seal structur...
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JPH11101358A |
To make reducing possible of particles generated from a gate valve, so that a decrease of yield rate caused by sticking of these particles to a processed product can be effectively prevented. A device comprises a valve main body 32, rota...
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JP2881399B2 |
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JPH1182787A |
To prevent generation of a galling on a contact face in a leak valve. A fitting plate 1 is fixed on the outside face of a vacuum device inside wall 5 formed with a leak hole 22, and a pressing plate 7 serving as a contact seal member is ...
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JPH1182788A |
To automatically discharge bubbles flowing out from a storage container to outside to prevent interruption of delivery of a sparkling beverage. In this valve, a float chamber 15 housing a float 21 is arranged in a casing 2, a feed-out va...
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JPH1182885A |
To provide a float type drain trap that can open/close a valve hole with large opening area from low pressure to high pressure. An inlet 4, a valve chamber 3 and an outlet 11 are formed at a casing formed of a body 1 and a cover body 2. ...
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JPH1172173A |
To constitute a reed valve arranged in a reciprocating piston type compressor with high strength. A reed valve 60 has a pair of tabs 66 which are oppositely arranged in the diametrical direction and project outward, and groove holes 68 t...
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JP2866833B2 |
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JPH1162752A |
To provide a fuel cutoff valve which is inexpensive and lightweight and is easily mounted on a fuel tank by a single operation without use of any fixing means. A valve part 17a is formed on a float valve 17 moving up and down according t...
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JPH1162725A |
To prevent a canister from being deteriorated by dynamic fuel leakage without enlarging an entire length, and to secure an output flow by opening an evaporator passage in a peripheral wall of an expanded compartment, and providing a rect...
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JPH1162753A |
To stably actuate a float against occurrence of a violent movement of a fuel level, by shifting a connective hole in a lower part of a float compartment from an opposite position to an opening part in an air pooling compartment, and also...
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JP2863777B2 |
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JP2860525B2 |
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JP2590881Y2 |
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JPH1147563A |
To provide a defective product-inspection technology for manufacturing a water vapor movement-control device of high quality reliability by providing the high inspection accuracy. Pressure change lines to be formed following the lapse of...
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JP2590653Y2 |
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JP2590141Y2 |
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JP2590126Y2 |
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JP2590143Y2 |
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JPH1133135A |
To spurt a flame extinguishing gas to a spot intended for flame extinguishment at the time of fire outbreak using a low-cost structure which ensures an unfailing gas ejection. This flame extinguishing device uses a gas valve with a gas s...
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JP2853572B2 |
PURPOSE: To improve assembly workability and airtightness in a bidirectional valve and a fuel cut off device built in with this bidirectional valve. CONSTITUTION: In a fuel cut off device 10, a partitioning wall plate 28 is ultrasonic we...
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JP2852843B2 |
A slow vent valve for semiconductor wafer manufacturing equipment is disclosed, which generates a gentle flow of nitrogen gas to the vacuum chamber enough to maintain an undisturbed ambient environment for the wafer being processed in th...
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JP2852398B2 |
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JP2589815Y2 |
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JPH1130352A |
To continuously set an opening and closing degree from full opening to full closing by a main valve provided between a high evacuation pump and a treatment chamber. A main valve element 15 arranged between a treatment chamber 11 and an e...
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JPH1113917A |
To provide a vacuum breaker that is able to make water stop sufficiently regardless of the magnitude of hydraulic pressure. A vacuum breaker is provided with a vacuum breaker main body 1, in which both a waterway 9 with the water flowing...
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JPH1114164A |
To directly feed a high-pressure refrigerant gas to an evaporator for auxiliary heating by arranging a pilot valve toward a valve seat so that a bypass pipeline can be opened/closed, and by connecting the inlet pipeline of an expansion v...
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JPH1113918A |
To quickly open/close a valve element so as to improve responsiveness by utilizing the floating force of a floating member and increasing the same to operate an arm member to close a valve and opening the valve by an elastic member in an...
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JP2588650Y2 |
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JP2847058B2 |
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JP2846626B2 |
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JP2587996Y2 |
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JP2587335Y2 |
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JPH10332016A |
To enable minimizing of an opening between a float and a valve seat, even in the case of generating a tilt in the float of an air valve. This air valve has a float 2 rising by buoyancy along a guide part 5, by rising of this float 2, a v...
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JP2835680B2 |
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JP2835683B2 |
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JP2835684B2 |
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JP2834715B2 |
A vehicle on board system for recovering fuel vapors from the fuel tank both during filling of the fuel tank with volatile hydrocarbon liquid fuel and operation of the vehicle engine. A control unit in the fuel tank has a valve assembly ...
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JPH10325482A |
To provide an air valve having an earthquake resistant mounting structure part to eliminate a fear of looseness, leakage of water, and separation occurring by eliminate a screwed-in joint at the mounting part of an air valve on a water t...
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JPH10325481A |
To provide an air valve having an earthquake resistant mounting structure to eliminate a fear of looseness, leakage of water, and separation by eliminating a screwing-in joint at the mounting part of an air valve on a flange part for fas...
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JPH10318393A |
To facilitate water stopping operations compactly. This air valve is so constituted that a communication hole 3 communicated with a repair valve 1 is formed at the lower part of a valve box 2 connected with a pipe line through the repair...
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JPH10318394A |
To improve the operability when air is delivered by arranging an air cutoff device for closing a flow passage by a float valve when air is contaminated in a flow passage caused when filling of a liquid material is stopped, and forming th...
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JPH10318396A |
To facilitate water stopping operations compactly. This air valve is so constituted that a communication hole 3 communicated with a repair valve 1 is formed at the lower part of a valve box 2 connected with a pipe line through the repair...
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JPH10318395A |
To provide an air valve which can isolate the inside of a valve box from the inside of a pipe line by letting them be pressed vertically into contact with each other, and is provided with an auxiliary valve structure capable of more accu...
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