Invention Grant
- Patent Title: Two part oil control ring having oil pressure effect ridges
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Application No.: US16306090Application Date: 2017-04-26
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Publication No.: US10883600B2Publication Date: 2021-01-05
- Inventor: Richard Mittler , Fabian Ruch
- Applicant: FEDERAL-MOGUL BURSCHEID GMBH
- Applicant Address: DE Burscheid
- Assignee: FEDERAL-MOGUL BURSCHEID GMBH
- Current Assignee: FEDERAL-MOGUL BURSCHEID GMBH
- Current Assignee Address: DE Burscheid
- Agency: Dickinson Wright, PLLC
- Agent Robert L. Stearns
- Priority: DE102016110131 20160601
- International Application: PCT/EP2017/059855 WO 20170426
- International Announcement: WO2017/207172 WO 20171207
- Main IPC: F16J9/20
- IPC: F16J9/20 ; F16J9/06
Abstract:
An oil wiper ring is provided having two circumferential shoulders, the running surfaces whereof are outwardly curved, wherein the shoulder of the combustion chamber side has an axial height greater by at least a factor of 2 than the axial height of the shoulder on the crankcase side and wherein the should on the combustion chamber side has an asymmetrical crowning.
Public/Granted literature
- US20190178380A1 TWO PART OIL CONTROL RING HAVING OIL PRESSURE EFFECT RIDGES Public/Granted day:2019-06-13
Information query
