|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/20323 ; 137/4931 ; 220/20301 ; 220/20305|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 35 인용 특허 : 0|
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 depen...
A vent-valve assembly for use in a filler neck fuel cap, the vent-valve assembly comprising a valve housing sized for insertion into the cap, the housing having an axially inner end, an axially outer end, an air passageway communicating with the axially inner end and the axially outer end, and an annular flange located in the valve housing and extending into the air passageway, the annular flange being formed to include a retaining rim, seat means for providing a pressure-relief valve seat, and a vent aperture extending between the seat means and the ret...