发明名称 Oil scraper ring with controlled gap arrangement
摘要 In an oil scraper ring in which an expander is arranged on the inner peripheral surface of an oil scraper ring proper, the oil scraper ring is manufactured to present the configuration of a perfect circle in its unstressed state with a free engaging gap cut into the ring.
申请公布号 US4473232(A) 申请公布日期 1984.09.25
申请号 US19830543545 申请日期 1983.10.19
申请人 NIPPON PISTON RING CO., LTD. 发明人 UMEHA, GENKICHI;TSUCHIYA, TAKEJI
分类号 F02F5/00;F16J9/06;F16J9/20;(IPC1-7):F16J9/06;F16J9/12 主分类号 F02F5/00
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