Title:
MULTI-SEAL N-TYPE SEALING ARRANGEMENT
Document Type and Number:
WIPO Patent Application WO/2009/092300
Kind Code:
A1
Abstract:
A multi-seal n-type sealing arrangement is comprised of a seal member (5) and
an n-type sealing ring (1,2). The seal member (5) are provided with at least one
mounting groove (4) of the sealing ring and a through hole (9) for connecting the
mounting groove (4) to the end surface of the seal member (5), the n-type sealing
ring (1,2) being located in the mounting groove (4) of the sealing ring. In addition,
grooves (8) are provided on the working surface of the seal member (5) and protuberances
(3) are provided on the working surface of the n-type sealing ring (1,2). The through
hole (9) may be connected to multiple mounting grooves (4) of thesealing ring
or only one mounting groove (4) of the sealing ring. The n-type sealing ring (1,2)
has an axle structure type and a bore structure type. The sealing arrangement
of the present invention has advantages of high compression resistance, little
leakage and long life.
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Inventors:
ZHOU CHENGHUI (CN)
ZHOU LEI (CN)
ZHANG XIANG AN (CN)
ZHANG XIANGXIN (CN)
ZHOU LEI (CN)
ZHANG XIANG AN (CN)
ZHANG XIANGXIN (CN)
Application Number:
PCT/CN2009/070029
Publication Date:
July 30, 2009
Filing Date:
January 05, 2009
Export Citation:
Assignee:
BEIJING NEW SEAL INST OF HYDRA (CN)
ZHOU CHENGHUI (CN)
ZHOU LEI (CN)
ZHANG XIANG AN (CN)
ZHANG XIANGXIN (CN)
ZHOU CHENGHUI (CN)
ZHOU LEI (CN)
ZHANG XIANG AN (CN)
ZHANG XIANGXIN (CN)
International Classes:
F16J9/08; F04D29/08; F16J15/46
Foreign References:
| CN1904416A | 2007-01-31 | |||
| US4890849A | 1990-01-02 | |||
| CN2520436Y | 2002-11-13 | |||
| CN2509383Y | 2002-09-04 | |||
| CN2414257Y | 2001-01-10 | |||
| CN2483560Y | 2002-03-27 | |||
| CN2540525Y | 2003-03-19 |
Attorney, Agent or Firm:
BEIJING BEIXIN-ZHICHENG INTELLECTUAL PROPERTY AGENT CO., LTD. (Xicheng District, Beijing 5, CN)
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