Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Patent
1996-09-26
1998-07-14
Ferensic, Denise L.
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
123514, 123509, 251127, 251 86, 251118, F16K 3112
Patent
active
057789266
ABSTRACT:
A compact pressure regulating valve makes installation work simple and has a hermetic structure of a stationary value member without a specific seal member. A pressure regulator (201) has a body (203) which includes a fuel inlet (215) and an inner periphery for positioning a stationary valve member (205) in a radial direction. When the movable valve member (208) leaves the stationary valve member (205), the valve opens. Operation of the movable valve member (208) is controlled by a diaphragm which moves to balance the pressure of the pressure chamber (211) and the pressure of a back pressure chamber (213) combined with a biasing pressure of a compression coil spring (214). As a result, the pressure of the pressure chamber (211) can be controlled without a specific sealing member or complex structure. In addition, a pressure regulating valve according to the present invention is compact and easy to install, and has no specific member to seal the stationary valve member.
REFERENCES:
patent: 2839078 (1958-06-01), Lornitzo
patent: 4116212 (1978-09-01), Cooper
patent: 4137933 (1979-02-01), Culpepper
patent: 4335744 (1982-06-01), Bey
patent: 5361742 (1994-11-01), Briggs et al.
patent: 5392750 (1995-02-01), Laue
patent: 5435344 (1995-07-01), Robinson et al.
patent: 5649514 (1997-07-01), Okada et al.
Izutani Kouji
Okada Kingo
Takahashi Hideto
Tanaka Masaaki
Yamashita Keiichi
Farid Ramyar
Ferensic Denise L.
Nippondenso Co. Ltd.
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