Device for ventilating and aerating a fuel tank
1 Assignment
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Accused Products
Abstract
A device for ventilating and aerating a fuel tank includes with 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.
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Citations
22 Claims
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1. -11. (canceled)
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12. 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 close in response to an overpressure in the fuel tank. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification