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JP2002349735A |
To provide an air valve that can prevent external leakage of sanitary sewage and the like by reducing the frequency of opening and closing of a valve element and suppressing splash and dust scatter while maintaining an appreciable exhaus...
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JP2002349734A |
To provide an air valve that can prevent an external outflow of liquid even if an exhaust hole is in a state incapable of full closing because of an effect of a foreign matter such as dust. The air valve comprises a valve casing 5 having...
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JP2002340209A |
To provide an air valve capable of preventing the outflow of liquid even if an exhaust hole is left in a completely nonclosable state by influence of an impurity such as refuse.This air valve has a valve casing 5 having a connecting part...
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JP3347794B2 |
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JP3346785B2 |
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JP3346962B2 |
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JP3343040B2 |
To prevent rainwater splashed back on the upper face of a diaphragm case, from infiltrating into a bleed hole from an air hole by providing a rainwater infiltration preventive wall fitted to a bleed hole cap so as to cover the lower part...
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JP3344168B2 |
PURPOSE: To provide the liquid level detecting valve of a fuel tank, which can be assuredly opened/closed without causing any wrong operation by assuredly detecting the liquid level of fuel in the fuel tank. CONSTITUTION: In a valve whic...
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JP3344073B2 |
PURPOSE: To properly discharge the air until a fuel level reaches a full position at the time of filling up a fuel tank, and ensure a smooth filling-up process. CONSTITUTION: A case 11 fixed to the upper wall 9 of a fuel tank 8 is formed...
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JP3337909B2 |
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JP3339663B2 |
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JP2002306610A |
To extract a medicinal solution and inject the same to a mixing and injection tube from a medicinal solution bottle only by a syringe without a needle.The outside diameter D1 of a plug body 1 made by an elastic body formed by penetrating...
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JP2002535215A |
A system is provided for contamination free delivery and control of a flowable medium contained in an enclosed flow path or a container. The system is highly scalable in size and works even with viscous fluids which are difficult to flow...
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JP3337678B2 |
An apparatus for preventing reverse flows in a drainage is disclosed. In this apparatus, a floating device (41) and a reverse flow preventing device (54) act mutually in opposite directions owing to the floating force and the water press...
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JP3337183B2 |
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JP3336271B2 |
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JP2002534651A |
A pressure (1) release valve is disclosed ideally for use on petrol tankers which can rollover in an accident. There is a requirement for such valves both to become sealed in the event of a rollover to prevent the escape of volatile and ...
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JP3331269B2 |
A stop valve for use in, for example, a fuel tank bleeding system, has a casing with a valve opening defined in a top portion thereof, a bleeding passage provided downstream of the valve opening, a float provided in a casing for vertical...
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JP2002289162A |
To provide an alkali metal secondary electrochemical cell, preferably a lithium ion cell, provided with a removable gas release valve.The gas release valve is positioned on the casing of the cell so as to allow fluid to flow through betw...
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JP2002285929A |
To properly conduct manual refueling until a fuel tank becomes full, while preventing over-refueling.This valve B is provided with a lower chamber R, disposed inside a fuel tank T, and an upper chamber 2 provided with a communication par...
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JP2002285925A |
To provide a fuel shut-off valve 20 capable of smoothing slide motion of a float 50, and improving the sealing property by a first valve element 55.This fuel shut-off valve 20 is provided with a casing 21, the float 50, and an aligning m...
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JP2002285926A |
To provide a sealing structure, applicable to a fuel shut-off valve 20 which is capable of achieving superior sealing property with respect to the inside of a fuel tank to the external.The fuel shut-off valve 20 is provided with a casing...
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JP3329591B2 |
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JP2002278343A |
To provide a pressure relief valve of a simple structure which opens in response with an increase of the extremely slight pressure in the gaseous phase section within a hermetic block to restore the inside of the hermetic block to atmosp...
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JP2002276839A |
To provide an air valve in which a consumption power is also made to a less value using a small size of box.The air valve is provided with a hollow cylindrical part 4 connected to a storage part 1 of a pressurized gas and having an openi...
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JP3324985B2 |
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JP2002529660A |
A vent valve for an air braking system of a vehicle comprises an elastomeric valve member (11) held in relation to a vent (17) and having a restricted vent passageway. A continuous depending rib (23) is engageable with a valve seat (28) ...
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JP3323289B2 |
PURPOSE: To provide a fuel cut valve with which the generation of abnormal sound while running on a rough road can be restricted, and with which outflow of fuel in a fuel tank to a vent line can be prevented. CONSTITUTION: In a fuel cut ...
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JP2002243054A |
To prevent suction of air from a liquid inlet of a suction pipe in sucking a liquid in a tank through a liquid sucking pipe.Inlets 4b, 5b of the liquid sucking pipes 4, 5 are opened upward, and a float valve element 9 moved up and down w...
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JP2002235863A |
To provide a liquid shutoff valve device provided with an open/close valve excellent in reliability in which the valve closes without rapidly increasing a pressure inside a container at the time of rising of a liquid level, and surely op...
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JP2002525476A |
A valve assembly includes a housing and a float. The housing is constructed and arranged to inhibit movement of the float between a resting position to a position where it is situated in its valve seat, unless a selected liquid volume wi...
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JP3314252B2 |
PURPOSE: To prevent the freezing with a simple structure by providing a cylindrical partition in a part surrounding a float in a valve box to form an air layer between the outer circumference of the partition and the inner circumference ...
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JP3314255B2 |
PURPOSE: To simplify the finishing of a float valve element by preventing the rotation of the float valve element in the horizontal direction, and blocking a small air hole by the prescribed part on the upper surface of the float valve e...
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JP3312226B2 |
PURPOSE: To provide a check valve which can develop the fuel leak preventing function, besides the essential check function. CONSTITUTION: A discharge passage 2 and an introducing passage 3 are dividedly formed in independence on a housi...
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JP2002213316A |
To provide a fuel level-responsive valve that solves conventional defects by using an elastically sealing valve member capable of a lever type opening action, and a valve opening and closing method therefor.The fuel level-responsive valv...
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JP2002213631A |
To provide a low-cost feeding/exhausting sheet, capable of repeating opening/closing operation many times in response to a difference between pressures inside and outside of a container.The feeding/exhausting sheet 1 is formed of an elas...
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JP3308458B2 |
To provide stop valve structure preventing fuel from being accumulated around a two-way valve. This stop valve structure consists of a casing 4 with a float 43 accommodated therein, a partition wall 51 provided at the upper part of the c...
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JP3307889B2 |
To prevent the reverse flow of a content from a bag-like container having a mouth means and prevent air from entering therefrom, and to correctly measure or analyze a stored substance such as a sampled expiration by providing a tubular m...
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JP3305907B2 |
PURPOSE: To perform movement of a, sub-valve and a float independently from each other and to provide reliable sealing ability between a plurality of valve parts and a plurality of valve seats by a method wherein the sub-valve and the fl...
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JP3301058B2 |
To provide a bibcock equipped with a compact and simple vacuum breaking mechanism. This bibcock is provided with an upper bibcock body 3 with a thread part (a) to be screwed in a cock rod 1 where a switching valve is fitted inside slidab...
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JP2002195120A |
To provide a liquid fuel outflow preventing valve preventing an outflow of liquid fuel from a fuel tank even when a transversal stress is applied to a vehicle.The liquid fuel outflow preventing valve 1 is installed in an upper part of th...
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JP2002195433A |
To provide an air valve capable of preventing water from being splashed to give an ill effect to a peripheral section even when water spouts or flows to the outside of a valve box.A bucket 12 having a flange-like bottom section 12A stret...
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JP2002188793A |
To arrange an air vent valve for discharging air flowing into a trap at a position free from the influence of an abnormal pressure generated in a primary side of piping and without receiving the influence of the installation of a protect...
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JP2002181216A |
To provide an exhaust valve of high vacuum breaking ability capable of carrying out vacuum break quickly.A valve chest 3 is fromed of a casing comprising a main body 1 and a lid 2 to open an inflow port 4 in its lower part and to open an...
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JP3294962B2 |
PURPOSE: To provide a vacuum valve to be made small without any troubles brought about due to rapid exhaustion. CONSTITUTION: A flow passage switching member 45 is attached to a piston 13 for moving a valve body 11 for opening/closing a ...
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JP3291899B2 |
PURPOSE: To provide a fuel tank float valve having the capability of preventing a sudden internal pressure rise of a fuel tank, incrementally controlling the internal pressure rise of the tank and smoothly filling the tank up to a full l...
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JP3293477B2 |
To prevent the occurrence of accidents that water is blown off out of an exhaust port when draining is carried out in the cold district by letting an exhaust valve body be so constituted as to be normally separated from an exhaust valve ...
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JP2002516970A |
An improved automatic bleeding valve for hydraulic systems comprising: an outer body (1), a cover (5), a float (11) provided with an inclined surface (13) for acting onto the stem (15) of a valve head member (17), a spring (25) for press...
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JP2002161820A |
To provide a fuel tank internal pressure relief valve for an automobile capable of preventing an outflow of liquid fuel into an internal pressure relief passage and adhesion of the liquid fuel to a valve element.This fuel tank internal p...
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JP2002156068A |
To provide a driving device of a valve capable of closing a valve while reducing a rotating speed of a valve rod connected to a cylinder without lowering the cutoff torque just before the closing of the valve, being operated by single wo...
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