发明名称 Vapor recovering fuel dispensing nozzle
摘要 The present invention is a fuel dispensing nozzle having an expanding rubber annulus that seals on the inside of a tank filler neck. The seal uses fuel pressure to expand and contract, thereby requiring little operator attention to effect vapor recovery during fuel loading.
申请公布号 US4098308(A) 申请公布日期 1978.07.04
申请号 US19760693255 申请日期 1976.06.07
申请人 THE STANDARD OIL COMPANY 发明人 PURDUM, CHARLES R.
分类号 B67D7/54;(IPC1-7):B65B3/04 主分类号 B67D7/54
代理机构 代理人
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