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Patent Searching and Data


Title:
DECOMPRESSION VALVE
Document Type and Number:
WIPO Patent Application WO/2012/056647
Kind Code:
A1
Abstract:
A decompression valve with excellent responsiveness, durability, and reliability, and capable of obtaining stable output performance is provided. The decompression valve (1) comprises a housing (2) and said housing (2) has a valve passageway (19) connected to a primary port (17) and a secondary port (18). Disposed within the housing (2) is a valve (3) that travels between a closed position that closes the valve passageway (19) and an open position that opens the valve passageway, (19) and is capable of adjusting the extent of the opening of the valve passageway (19). In addition, the valve (3) is pressed towards the closed position by a secondary pressure (p2) and a spring member (5) is disposed so as to resist this secondary pressure (p2) and impel the valve (3) towards the open position. A rolling bearing (4) is disposed in the valve (3) and the valve (3) is moveably supported by this rolling bearing (4).

Inventors:
NINOMIYA MAKOTO
NOMICHI KAORU
SUZUKI YUTAKA
Application Number:
PCT/JP2011/005820
Publication Date:
May 03, 2012
Filing Date:
October 18, 2011
Export Citation:
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Assignee:
KAWASAKI HEAVY IND LTD (JP)
NINOMIYA MAKOTO
NOMICHI KAORU
SUZUKI YUTAKA
International Classes:
G05D16/10; F16C19/02; F16C29/04; F16C33/76; F16K17/30
Foreign References:
JP2005227867A2005-08-25
JPH09185419A1997-07-15
JP2003150249A2003-05-23
JP2005004553A2005-01-06
Other References:
See also references of EP 2634662A4
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
Patent business corporation Owner old patent firm (JP)
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Claims: