Invention Grant
- Patent Title: Piston having oil supply channel for hub bore holes
- Patent Title (中): 活塞具有用于轮毂钻孔的供油通道
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Application No.: US12679110Application Date: 2008-06-13
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Publication No.: US08695559B2Publication Date: 2014-04-15
- Inventor: Roland Böhm
- Applicant: Roland Böhm
- Applicant Address: DE Nuremberg
- Assignee: Federal-Mogul Nurnberg GmbH
- Current Assignee: Federal-Mogul Nurnberg GmbH
- Current Assignee Address: DE Nuremberg
- Agency: Dickinson Wright, PLLC
- Agent Robert L. Stearns
- Priority: DE102007045465 20070924
- International Application: PCT/EP2008/057473 WO 20080613
- International Announcement: WO2009/040148 WO 20090402
- Main IPC: F02F3/00
- IPC: F02F3/00

Abstract:
A cylindrical piston for internal combustion engines, comprising a piston crown and a piston base, in the piston base a hollow space being provided, and in a piston base wall forming the hollow space pinholes being provided, characterized in that the outer circumferential surface in at least the piston base at least one oil guide is provided, the direction thereof having an axial component relative to the piston axis and the oil guide extending from the piston crown in the direction of a pinhole.
Public/Granted literature
- US20100307444A1 PISTON HAVING OIL SUPPLY CHANNEL FOR HUB BORE HOLES Public/Granted day:2010-12-09
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