Receptacles – Closures – With condition responsive vent or valve
Patent
1994-05-06
1996-07-30
Shoap, Allan N.
Receptacles
Closures
With condition responsive vent or valve
1374931, 22020301, 22020305, 22020329, 220304, 220DIG33, B65D 5116
Patent
active
055403476
ABSTRACT:
A vent-valve assembly is provided for use in a filler neck fuel cap. The vent-valve assembly includes a valve housing, a vacuum-relief valve subassembly which is spring-biased within the housing to channel ambient air and fuel vapor through the valve housing, and a pressure-relief valve subassembly which rides upon the vacuum-relief valve subassembly. The vacuum-relief valve subassembly includes a vacuum-relief spring and a vacuum-relief valve. The vacuum-relief valve has a valve member which rests upon the vacuum-relief spring and guide legs which depend from the valve member around the vacuum-relief spring. Flanges or feet extend out from the guide legs and engage the valve housing when the pressure-relief valve subassembly is removed from the housing. Thus, the valve housing and vacuum-relief valve cooperate to form an easy-to-assemble, self-contained, vent-valve assembly.
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patent: 5479978 (1996-01-01), Zenkich
Hylton Robin A.
Shoap Allan N.
Stant Manufacturing Inc.
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