Device for ventilating and aerating a fuel tank
First Claim
Patent Images
1. A device for ventilating and aerating a fuel tank, comprising:
- a tank shut-off valve; and
two tank pressure control valves operating independently from one another, one of the two tank pressure control valves configured to open in response to a negative pressure in the fuel tank and another one of the two tank pressure control valves configured to open in response to an overpressure in the fuel tank,wherein the two tank pressure control valves are mounted on opposite sides of the tank shut-off valve.
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Abstract
A device for ventilating and aerating a fuel tank includes a tank shut-off valve and two tank pressure control valves. One of the tank pressure control valves opens in response to a negative pressure in the fuel tank and the other one of the tank pressure control valves opens in response to an overpressure in the fuel tank. The opening pressures of the two tank pressure control valves are adjustable flexibly and independent of the respective other valve.
24 Citations
18 Claims
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1. A device for ventilating and aerating a fuel tank, comprising:
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a tank shut-off valve; and two tank pressure control valves operating independently from one another, one of the two tank pressure control valves configured to open in response to a negative pressure in the fuel tank and another one of the two tank pressure control valves configured to open in response to an overpressure in the fuel tank, wherein the two tank pressure control valves are mounted on opposite sides of the tank shut-off valve. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A device, comprising:
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a tank shut-off valve; and two tank pressure control valves operating independently from one another, one of the two tank pressure control valves configured to open in response to a negative pressure in the fuel tank and another one of the two tank pressure control valves configured to open in response to an overpressure in the fuel tank, wherein the two tank pressure control valves are arranged inside the fuel tank, and the tank shut-off valve is arranged outside the fuel tank. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification