发明名称 Composite piston for IC engine - has refractory head screwed to main body against action of adjusting springs (SW 24.7.78)
摘要 <p>The piston has a main portion (12) which has a circular band (14) fitted with a number of grooves to take the compression rings (15) and scraper rings (17). The piston skirt has a bore (20) to take the connecting rod pin. The piston is fitted with a crown (20) whose upper edge is curved around the centre and is made from refractory material. The crown has a central hole which receives the holding down screw (30).</p>
申请公布号 FR2376348(A1) 申请公布日期 1978.07.28
申请号 FR19770039214 申请日期 1977.12.26
申请人 CUMMINS ENGINE CY INC 发明人 JOHN H. STANG ET KENNETH A. JOHNSON;JOHNSON KENNETH A
分类号 F02B3/06;F02F3/00;F02F3/02;F02F3/12;F02F7/00;F16J1/00;F16J1/01;(IPC1-7):16J1/00;02F3/28 主分类号 F02B3/06
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