Invention Grant
- Patent Title: Internal combustion engine having a crankcase and method for producing a crankcase
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Application No.: US13444220Application Date: 2012-04-11
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Publication No.: US10145331B2Publication Date: 2018-12-04
- Inventor: Klaus Daiker , Markus Wittmann , Martin Kunst
- Applicant: Klaus Daiker , Markus Wittmann , Martin Kunst
- Applicant Address: DE Munich
- Assignee: Bayerische Motoren Werke Aktiengesellschaft
- Current Assignee: Bayerische Motoren Werke Aktiengesellschaft
- Current Assignee Address: DE Munich
- Agency: Crowell & Moring LLP
- Priority: DE102009049323 20091014
- Main IPC: F02F1/20
- IPC: F02F1/20 ; C23C4/04 ; C23C4/06 ; C23C4/18 ; C23C4/131 ; C23C4/129 ; C23C4/123 ; C23C4/134
Abstract:
An internal-combustion engine has a crankcase, with at least one cylinder for accommodating a piston, the inner face of which cylinder is provided with a coating forming a running surface for the piston. The coating has a plurality of pores and the average size of the pores and/or the pore surface proportion varies over the length of the cylinder.
Public/Granted literature
- US20120216771A1 Internal Combustion Engine Having a Crankcase and Method for Producing a Crankcase Public/Granted day:2012-08-30
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