Title:
ANNULAR VALVE
Document Type and Number:
WIPO Patent Application WO/2010/031336
Kind Code:
A1
Abstract:
An annular valve includes a valve seat (1) with an annular controlled passage. On the valve seat (1) is provided a collector (3) consisting of outflow passages. An annular valve cover (9) is provided on the collector (3). A valve plate (7) on the passage of the valve seat is provided between the collector (3) and the valve seat (1). A spring (6) loading the valve plate (7) through a bearing plate is installed between the valve plate (7) and the annular valve cover (9). The valve seat (1) is securely connected to the annular valve cover (9) by screws and nuts. The collector (3) is a metal wire three-dimensional net of an annular washer shape, which is a three-dimensional grid pressed and formed from fine metal wires or narrow metal strips according to the annular washer shape, or is a foamed metal three-dimensional net with ventilated through holes.
Inventors:
MA KEJUN (CN)
Application Number:
PCT/CN2009/073983
Publication Date:
March 25, 2010
Filing Date:
September 16, 2009
Export Citation:
Assignee:
MA KEJUN (CN)
International Classes:
F16K17/04; A62C4/00; F02B77/10; F16K17/36
Foreign References:
| CN1971006A | 2007-05-30 | |||
| BE452471A | ||||
| CN101354091A | 2009-01-28 | |||
| CN1831317A | 2006-09-13 | |||
| CN1107829C | 2003-05-07 | |||
| US3016913A | 1962-01-16 | |||
| CN1850311A | 2006-10-25 | |||
| JPH10280975A | 1998-10-20 | |||
| CN101050725A | 2007-10-10 | |||
| CN2926536Y | 2007-07-25 |
Attorney, Agent or Firm:
NANJING TIANHUA PATENT AGENT CO., LTD. et al. (Block A1 World Trade Center Building,No.67 Shanxi Roa, Nanjing Jiangsu 9, CN)
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