Fuel tank venting
Patent
·
OSTI ID:6422927
A fuel tank is described which has a vent orifice, a valve controlling flow through the vent orifice, and a filler neck terminating within the tank in an upwardly opening well. The vent actuator comprises a paddle overlying the well and has a pivoted arm extending adjacent the valve. The arm includes an actuating member adapted to cause the valve to restrict flow through the orifice when fuel is not being introduced through the filler neck. The paddle and the arm pivot to allow the valve to permit unrestricted flow through the orifice in response to introduction of liquid fuel through the filler neck. A float has an actuating member adapted to cause the valve to restrict flow through the orifice when the level of liquid fuel in the tank approaches the maximum level desired.
- Assignee:
- General Motors Corp., Detroit, MI
- Patent Number(s):
- US 4673009
- OSTI ID:
- 6422927
- Country of Publication:
- United States
- Language:
- English
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