Title:
A SEALING OIL RING
Document Type and Number:
WIPO Patent Application WO/2009/043227
Kind Code:
A1
Abstract:
A sealing oil ring includes a base ring (2) with an opening, the outer peripheral
surface of the base ring (2) is provided with an annular flange (1) projecting
radially outwards, wherein an outer radial joint part (11) and an outer axial
and radial joint part (12) are formed at the left side of the opening of the base
ring (2), the outer axial and radial joint part (12) at the left side of the opening
of the base ring (2) is inserted into a groove (6) at the right side of the opening
of the base ring (2), and the outer radial joint part (11) at the left side of the
opening of the base ring (2) is inserted into the axial perforated groove (10)
at the right side of the opening of the base ring (2). Such an oil ring avoids the
leakage of the oil from the opening of the ring.
Inventors:
YU XIUMING (CN)
Application Number:
PCT/CN2008/001485
Publication Date:
April 09, 2009
Filing Date:
August 18, 2008
Export Citation:
Assignee:
YU XIUMING (CN)
International Classes:
F04B53/02; F02F5/00; F16J9/16
Foreign References:
| US20060038355A1 | 2006-02-23 | |||
| CN101042191A | 2007-09-26 | |||
| CN2918900Y | 2007-07-04 | |||
| CN2263204Y | 1997-09-24 | |||
| JPH0510446A | 1993-01-19 |
Other References:
None
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (2 Fuchengmenwai Street, Beijing, CN)
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