Pressure reducing valve

Details Pressure reducing valve Pressure reducing valve

2007-08-21

2007-08-21

Hepperle, Stephen M. (Department: 3753)

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

C137S508000, C137S906000

Reexamination Certificate

active

10506162

ABSTRACT:
A pressure reducing valve comprises a valve support member provided with a water passage, a valve seat fitting on the portion of the valve support member primary side relative to the secondary side end of the water passage, a cup-shaped valve body fitting on the secondary side end of the valve support member to slide and capable of abutting the valve seat at the open end, while enclosing the secondary side end of the water passage at the cylindrical portion, a seal member for sealing the sliding contact part between the valve support member and the valve body, and a resilient member disposed in the valve body to force the valve body away from the valve seat.

REFERENCES:
patent: 2888033 (1959-05-01), Eickmeyer
patent: 4474207 (1984-10-01), Rosenberg
patent: 4915127 (1990-04-01), Werley
patent: 5033505 (1991-07-01), Eidsmore
patent: 5396918 (1995-03-01), Parker
patent: 6131607 (2000-10-01), Cooke
patent: 62-62065 (1987-03-01), None
patent: 7-302123 (1995-11-01), None
patent: 11-345029 (1999-12-01), None
patent: 2000-320723 (2000-11-01), None
International Search Report, completed Jun. 9, 2003.

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