Invention Grant
- Patent Title: Piston for internal combustion engine
- Patent Title (中): 内燃机活塞
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Application No.: US166025Application Date: 1993-12-14
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Publication No.: US5404792APublication Date: 1995-04-11
- Inventor: Hiroaki Watanabe , Kazuhiko Shirane , Hideo Yoshimura
- Applicant: Hiroaki Watanabe , Kazuhiko Shirane , Hideo Yoshimura
- Applicant Address: JPX Atsugi
- Assignee: Unisia Jecs Corporation
- Current Assignee: Unisia Jecs Corporation
- Current Assignee Address: JPX Atsugi
- Priority: JPX4-332617 19921214
- Main IPC: F02F3/00
- IPC: F02F3/00 ; F01B31/00
Abstract:
A piston for an internal combustion engine comprises at least a pair of ribs arranged between an inner surface portion of a skirt and side portions of pin bosses. The ribs are symmetrical with respect to a thrust center line of the piston and have in a longitudinal direction thereof a center line which is positioned to be lower than an axis of a piston pin.
Public/Granted literature
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