Invention Application
- Patent Title: OIL SEALING RING
- Patent Title (中): 油封密封圈
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Application No.: US12145786Application Date: 2008-06-25
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Publication No.: US20080252019A1Publication Date: 2008-10-16
- Inventor: Xiuming YU
- Applicant: Xiuming YU
- Priority: CN200510097149.7 20051225; CN200710181090.9 20071006; CN200710182249.9 20071013; CN200710305525.6 20071223; CN200710300863.0 20071228; CN200710308027.7 20071228
- Main IPC: F16J9/12
- IPC: F16J9/12
Abstract:
An oil ring, particularly disposed in an oil ring outer-groove of a piston in an internal combustion engine or an air compressor, comprising a base ring (2) having a split, and an annular flange (1) radially-protruding outwards and disposed on outer circumferential surface of the base ring (2).
Information query
