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JP2012180711A |
To provide an intake valve device that prevents damage of a water pipe and a water apparatus due to volume expansion during freezing and enables introduction of air to the water pipe and the water apparatus from the outside during draina...
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JP2012167803A |
To provide an exhaust valve capable of preventing clogging of a through-hole or leakage of water from a valve seat.A valve chamber 3 having an inlet 4 opened at a lower part and an outlet 5 opened at an upper part is formed of a casing c...
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JP5010967B2 |
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JP5005572B2 |
To prevent leakage of water even when the water suddenly flows through an inflow port into a valve chest. A casing comprises a body 1 and a cover 2 to form the valve chest 3 which has the inflow port 4 opened in a lower part and an outfl...
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JP5005558B2 |
To prevent the leakage of water even when water suddenly flows into a valve chamber through an inflow port. The valve chamber 3 having the inflow port 4 opened on a lower part and an outlet 5 opened on an upper part is formed of a casing...
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JP5002184B2 |
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JP4990020B2 |
A valve body and a float body are coupled so that the valve body is allowed to move in a direction along a central axis of movement of the float body, and the seated valve body is unseated when the float body descends. On a central axis ...
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JP2012516979A |
A venting-valve/check-valve combination useful for venting non-condensable gases and steam (or a combination) in a liquid pipeline comprises a venting-valve, a check-valve, and a capillary port through which gas can pass, said port havin...
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JP4975740B2 |
A valve for the venting circuit of a liquid tank including a main chamber which opens into the tank and is connected via an aperture to the venting circuit, a float comprising a body, and a head capable of closing off the orifice. The fl...
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JP4940403B2 |
A compressing diaphragm pump having abnormal pressure preventing features for spray use has a hollow tubular air discharge assembly having a plunger body and compressed spring as well as an air passage pierced at the wall of the water ex...
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JP3175739U |
To provide a waterproof vent plug capable of preventing contact destruction by pests and adjusting the size of a free opening to change the ventilation speed in a waterproof box body for accommodating an electric device or the like. A fi...
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JP2012511817A |
The invention relates to a pressure-relief valve of a housing for an electrical/electronic unit, particularly for a housing of a control unit of a motor vehicle, comprising a pressure equalization element, which comprises a membrane. It ...
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JP4939120B2 |
A liquid exhaust valve gear includes a housing divided into an upper chamber and a lower chamber by being partitioned by a partition plate having an opening portion, and a float slidably contained at inside of the lower chamber and moved...
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JP4917216B2 |
The ventilation system for a vehicle fuel tank (6) comprises a float valve (1) and a separate, sealed chamber (2) connected to the valve by a pipe (4) at the top. The valve ventilates the tank, even when it is in a sloping position, prev...
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JP4906215B2 |
A valve device capable of automatically and surely performing such an opening and closing control that, when gas is forced to be passed after liquid is passed, a pipeline is cut out, providing excellent sealability at the time of valve c...
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JP2012047169A |
To provide a fuel tank valve device capable of making an automatic stop to function when a full liquid level is achieved during oil supply, positively preventing excessive fueling, and preventing the overflow of fuel from an oil supply p...
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JP4888370B2 |
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JP2012036887A |
To provide an exhaust control valve that can maintain a closing state in a low-speed engine rotation range, can decrease an exhaust resistance by increasing an opening level of a valve in a high-speed engine rotation range and can stably...
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JP4881660B2 |
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JP4881659B2 |
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JP4869201B2 |
A space in a housing is defined into a lower space and an upper space by a partition wall, and an opening portion is provided in the partition wall. A vertically slidable float is housed in the lower space of the housing and on an upper ...
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JP2012013097A |
To provide an intake valve, capable of preventing discharged water of from leaking out even when the discharged water flows backward from a water discharging pipe channel, and capable of flowing sucked open air through the water discharg...
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JP2011530681A |
An air admittance valve configured when subjected to a negative pressure condition to vent a pipe system to an ambient environment. In general, the air admittance valve includes a main body, inner and outer valve seats, a flexible sealin...
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JP4841477B2 |
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JP4836654B2 |
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JP4831422B2 |
A variable flow valve includes a housing, a valve element, an urging member, a first valve, a second valve, and a guide flow passage. The housing has an inlet opening, and an outlet opening. The first valve and second valve are formed be...
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JP2011235772A |
To provide a fuel shut-off valve that facilitates fuel flowing into a valve chamber to be easily discharged into a fuel tank.The fuel shut-off valve 10 blocks fuel in a fuel tank from flowing out to the outside by being closed by the ris...
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JP4820275B2 |
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JP4822758B2 |
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JP4811441B2 |
The intake air control device (1) has an intake pipe (11) for injecting air into a combustion chamber of an internal combustion engine. An airflow control valve unit (20) is provided with a shank section through which a valve rod (12) pa...
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JP4807341B2 |
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JP2011201535A |
To provide a two-float, multi functional valve, for use in vehicle fuel tanks.The valve includes a housing 12 forming a first and a second outlet port 38 and 42, and accommodating a first stage float member 50 associated with the first o...
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JP4789147B2 |
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JP4781787B2 |
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JP4781861B2 |
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JP2011184043A |
To provide an underwater breathing device that eliminates or reduces part or all of great fatigue caused by a compressing force of ambient water with which a user can face when using a snorkel.The device is configured to produce positive...
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JP4777767B2 |
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JP4767675B2 |
Disclosed is a fuel leakage preventing valve, involving no variations in valve closing characteristics, in which a vertically movable float valve is arranged in a chamber defined inside a housing and in which a valve seat of the housing ...
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JP4758876B2 |
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JP4744045B2 |
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JP2011144885A |
To provide a liquid pumping device which absorbs a shock when an exhaust valve element is seated on an exhaust valve port.A sealed container 2 includes an operating fluid introduction port 11, an operating fluid drain port 13, a liquid i...
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JP2011144886A |
To provide a liquid pumping device which absorbs a shock when an exhaust valve element is seated on an exhaust valve port.A sealed container 2 has an operating fluid introduction port 11, an operating fluid drain port 13, a liquid inflow...
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JP4733439B2 |
A fuel system with a fuel tank having at least one opening into an interior of the fuel tank, and an electrically operated vent valve having an inlet communicated with the interior of the fuel tank and an outlet for venting fuel vapor fr...
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JP4725290B2 |
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JP4723696B2 |
A diffuser for aerating a fluid, and particularly for aeration in waste water treatment tanks, is formed in an elongate configuration by manufacturing a base plate from an extrusion cut to the desired length. A perforated elastomeric mem...
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JP2011131710A |
To enable an upper valve element to perform stable lifting operation to a float by performing stable valve closing operation by large buoyancy, in a constitution of the float of a two-stage structure in a fuel cutoff valve.The fuel cutof...
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JP4718540B2 |
A metal vent having an aperture for the passage of a fluid, a porous membrane sealing the aperture, wherein the components of the vent are assembled by an interference fit.
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JP3168818U |
To provide an air valve which simplifies disassembly / assembly work and shortens the required time for cleaning and internal inspection. A valve box 1 accommodates a floating valve body 3 having a small air hole 31 and a float valve bod...
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JP4712981B2 |
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JP4704831B2 |
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