Title:
AN ANTI-LEAKAGE SEAL ASSEMBLY OF A WATER PUMP
Document Type and Number:
WIPO Patent Application WO/2008/006272
Kind Code:
A1
Abstract:
An anti-leakage seal assembly of a water pump includes a rotating ring, a stationary
ring, a rotating ring seat, a stationary ring seat, a rotating ring seal ring,
a spring, a spring seat and a rubber seal cover. The lower surface of the rotating
ring is in contact with the upper surface of the stationary ring. A number of annular
grooves or protruding strips are formed in the contact surface of the rotating
ring and the stationary ring. Some annular grooves are formed in the rubber seal
cover. This seal assembly has multi-step and stable seal ability, and long use
life.
Inventors:
JIANG XUEZHONG (CN)
Application Number:
PCT/CN2007/001136
Publication Date:
January 17, 2008
Filing Date:
April 09, 2007
Export Citation:
Assignee:
JIANG XUEZHONG (CN)
International Classes:
F04D29/10
Foreign References:
| CN2683862Y | 2005-03-09 | |||
| US4491331A | 1985-01-01 | |||
| CN2184804Y | 1994-12-07 | |||
| CN2575340Y | 2003-09-24 | |||
| JP2002156047A | 2002-05-31 |
Attorney, Agent or Firm:
NANJING ZHONGLIAN PATENT AGENT LTD. (No.49 Zhongshan North Roa, Nanjing Jiangsu 8, CN)
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