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JP2001254856A |
To provide a fuel shut-off valve 20 preventing a fuel from. flowing out to the outside even if it receives a large side wave and a wave raised from below.This fuel shut-off valve 20 is attached to an upper part of a fuel tank FT to shut ...
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JP3210463B2 |
PURPOSE: To provide a self-venting drain valve that is relatively simple and low priced, wherein a single gasket seals not only a movable valve member at its closed position, but also the whole valve in a vessel itself. CONSTITUTION: A g...
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JP2001248754A |
To provide an air valve capable of improving water stopping property by increasing pressing force of a valve element seat part against a valve casing seat part even when water pressure in the valve casing is decreased by a decrease in wa...
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JP2001248743A |
To provide a normal pressure valve mechanism 30 capable of simplifying a manufacture of a case body 12 and preventing an abnormal noise accompanying a slight vibration at a stable opening/closing characteristic.The normal pressure valve ...
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JP2001239823A |
To provide an outlet valve device for ensuring the opening operation of valves for exhausting air to the outside when a-n indoor air pressure is higher than an outdoor air pressure and achieving smooth opening/closing of a door, having a...
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JP2001235047A |
To provide an air valve capable of being miniaturized by setting small axial dimensions without decreasing the function of exhausting a large amount of air under pressure and the function of sucking air, and capable of also of preventing...
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JP2001512044A |
The invention is directed to a valve for an aerosol container for dispersing a suspension or solution of a medicament in a liquid propellant contained therein. The valve comprises a valve body defining an aperture, a seal mounted at the ...
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JP3201253B2 |
To prevent boiloff of fuel just after oiling by narrowing a vent passage when the liquid surface height of fuel in a fuel tank attains a first liquid surface height, and arranging a valve means for closing the vent passage when the liqui...
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JP2001221355A |
To provide a compact air valve with a built-in repairing valve capable of rapidly exhausting air, completely stopping water at repairing time, requiring no wide space for installation.In this air valve where a large communicating port 5 ...
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JP3194106B2 |
PURPOSE: To intake and discharge small and large volumes of air and to intake or discharge a large volume of air so as to shorten the time of supply and discharge of water during filling or discharging water into and from a fluid pipe. C...
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JP3193444B2 |
PURPOSE: To provide an endoscope having an inner/outer communicating valve which is kept from being unhygienic and enables the prevention of possible water leak. CONSTITUTION: An inner/outer communicating valve 20 provided on an external...
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JP3186338B2 |
PURPOSE: To prevent liquid fuel from leaking from a relief valve, even when a vehicle is vibrating. CONSTITUTION: When liquid level in a fuel tank rises, a float aggregate 40 comes to be afloat, thereby closing a valve. Also, when the in...
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JP2001182837A |
To provide a seal and/or diaphragm of an apparatus to be used in the fuel supply system of a vehicle, meeting the requirements of the heat resistance, oil resistance, and the resistance against bending and also gas impermeability, which ...
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JP2001182633A |
To provide a fuel evaporative emission processing system which enables reduction in fuel leakage, simplification of piping assembly and reduction in parts variation. This fuel evaporative emission processing system, which comprises a low...
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JP2001173823A |
To provide an air release valve having large vacuum break ability and capable of quickly performing vacuum break.A valve chest 3 with an inflow port 4 and an outflow port 5 opened in a lower part and an upper part, respectively, is forme...
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JP2001173824A |
To provide an air release valve having large vacuum break ability and capable of quickly performing vacuum break.A valve chest 3 with an inflow port 4 and an outflow port 5 opened in a lower part and an upper part, respectively, is forme...
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JP2001165341A |
To provide an air valve which makes possible intake and exhaust of air in large quantities as well as its smooth operation.Valve bodies 27a, 27b mounted on a common valve stem 28 are arranged in a valve chamber 20, and the interior of fl...
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JP3178003B2 |
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JP2001155985A |
To feed a constant volume of chemical liquid by completely excluding air bubbles in a filter apparatus, in which a constant volume of chemical liquid is introduced, filtered, and fed to other apparatus.A valve disc 7, that closes a disch...
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JP3170363B2 |
PURPOSE: To enable accurate adjustment of an exhaust rate by opening a slit exactly. CONSTITUTION: A uniform rate exhaust valve apparatus of a sphygmomanometer is so foamed that an exhaust rate can be adjusted by regulating the amount of...
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JP2001140716A |
To provide a float valve which cancels a full tank regulation and lowers pressure inside a fuel tank even when temperature in the fuel tank rises after the full tank regulation and pressure thereinside increases. When temperature in a fu...
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JP2001138999A |
To fill a helicopter tank almost full while maintaining the function of a vent passage of the helicopter tank in a perfect state. Regarding the vent valve and vent passage for the helicopter tank, the vent valve is provided with a closin...
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JP2001132863A |
To provide a vent valve for drainage with a simple structure, installable compactly in the wall space of a building. This vent valve 8 for drainage is so constituted that a valve element 87 is opened to introduce air when a negative pres...
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JP2001116154A |
To provide an exhaust valve having a high vacuum breaking capability so that it can quickly break a vacuum. A body 1 has a plurality of inwardly projecting ribs 9 integrated with the interior wall of a valve chamber 3, and a bottomed, ap...
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JP2001105904A |
To separate liquid from fuel mixture before the liquid flows into an outlet fluid port. A device 100 includes an annular body 32 having an open top portion, and a side face provided with fluid ports 37. Each of the fluid ports 37 has an ...
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JP3157486B2 |
To provide a means for controlling the flow of a fluid and/or air in a vacuum filter and to provide a means for ensuring the passing of air out of the vacuum filter in the case that a liquid, which may cause a hydrophobic filter to be cl...
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JP3153969B2 |
PURPOSE: To prevent fluid from leaking outside of an air valve when the sealability between a valve element and a valve seat. CONSTITUTION: An atmospheric air communication hole 3 is formed in the upper part of a float valve chamber 6 wh...
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JP2001082349A |
To simplify the structure of an air bleeding device, reduce a cost, and facilitate the confirmation of completion of air bleeding by providing an orifice opening to the outside at an appropriate position of a delivery valve chamber to al...
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JP3150702B2 |
A liquid-responsive control valve (20,120) for controlling the venting of fuel vapor from a fuel tank (10) to a vapor recovery apparatus (18) in a manner providing a shutoff cue to a person filling the tank. The control valve comprises v...
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JP2001065733A |
To make easy mounting/demounting of each valve by lowering the mounting position of a repairing valve (wafer type butterfly valve) on a fluid transport pipe line for decreasing the mounting depth in a manhole through holding the wafer ty...
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JP2001065720A |
To facilitate drainage at normal time while prevent backflow of drainage automatically if required by opening a door through application of rotational moment around a horizontal support to the door by using a floating force generating at...
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JP2001065724A |
To provide an air valve installed on one part of a piping, having such function as the scattering preventing of a water and the intrusion prevention of a foreign article, for improving a large amount of exhaust ability while keeping the ...
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JP2001059580A |
To prevent fuel from flowing out outside a fuel tank by forming a ceiling surface into a circular cone shape rising toward a flow outlet. A ceiling surface 4A of a housing main body 3A is formed into a circular cone surface which raising...
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JP2001502776A |
An improved apparatus and method for calibrating a float-type vent valve for use in an automobile fuel tank. The valve is provided with a calibration plate in the lower end thereof below the float, the calibration plate defining an axial...
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JP3137806B2 |
PURPOSE: To provide an atmosphere opening method of a vacuum chamber, capable of simplifying a structure without flinging up particles and its device. CONSTITUTION: In an atmosphere opening device for opening a vacuum chamber arranged in...
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JP2001048188A |
To provide a gas exhaust valve for adjusting the pressure in an electrolyte tank almost constant by exhausting gas in the electrolyte tank without deteriorating the performance of an electrolyte. A gas exhaust valve is provided with a pi...
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JP2001040745A |
To provide building indoor underfloor piping and a work execution method of underfloor piping easily executable at a low cost. Drain piping disposed under the floor of an indoor living space is composed of a catch basin 1, a main drain p...
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JP3133653B2 |
To automatically supply pressurized air inside of a dry suit in the water by moving a diaphragm against energizing force of an inner spring so as to make a lid deform inside to supply pressurized air in the dry suit automatically when in...
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JP2001041124A |
To prevent a fuel from being discharged to the outside of a fuel tank when the fuel tank is put in the horizontal state or tilted, and to reduce the manufacturing cost of a housing. A cylindrical part 14 having an air communicating hole ...
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JP2001032990A |
To provide an immersion structure of an air valve, featuring the structure of immersing the air valve in a branch pipe erected from a main pipe in order to prevent the freezing of a water in the air valve. This structure includes a casin...
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JP3131763B2 |
To provide a structure for stop valve having stability and quickness of operation. A stop valve 11 for a fuel tank is provided with a float 13 capable of moving vertically in a case 12, a bottom wall 17 partitioning the lower end of the ...
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JP3129610B2 |
PURPOSE: To provide a purge valve of a diving apparatus which has a simple structure and can be washed easily, as well as can prevent the invasion of the water into the diving apparatus securely. CONSTITUTION: A base 10 to form the purge...
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JP2001027347A |
To accurately detect a water level and securely exhaust in a simple structure.An air receiving container having an internal air reserving part 3 is formed by fastening a cover member 2 to a main body 1 in which an inlet 4 opens in bottom...
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JP2001021022A |
To provide an oil filler plug for gear casings, capable of effectively preventing a lubricating oil from spouting out from an air vent while the original function of the air vent is maintained.With this oil filler plug 10, in a gear casi...
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JP2001020329A |
To provide a multifunction water stop cock for water supply capable of providing alert, agile, and secure operation at the time of return prevention and simplifying the exchange work of valve element packings when the valve element packi...
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JP2000346212A |
To provide a discharge valve used for a liquid container such as a bag-in-box or the like, thus allowing easy and accurate connection of piping for transfer of a liquid from the container to a remote place, and easy and prompt discharge ...
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JP2000346230A |
To provide a pressure control valve unit used for a blood pressure gauge or the like, which reduces the number of part items and improves accuracy of the valve.When this valve is closed, energizing a coil 3 causes a magnetic force to occ...
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JP2000337540A |
To improve the releasing efficiency by providing an outer circumferential face on an upper side float body of the degree of abutting on the inner wall of an inner case part, circumferentially providing vertical recessed parts having prop...
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JP3113773B2 |
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JP2000329244A |
To provide an exhaust valve having large vacuum break ability and quickly performing vacuum break. A valve chamber 3 having an inflow port 4 in the lower part and an outflow port 5 in the upper part is formed by a casing comprising a mai...
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