Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1989-05-25
1990-05-15
Rivell, John
Fluid handling
Line condition change responsive valves
Direct response valves
13751615, 13751617, 13751623, F16K 1508
Patent
active
049249061
ABSTRACT:
The valve plate (6) which is spring-loaded against the valve seat (2) of the ring valve comprises individual annular plates (10) disposed over the passage channels (1) of the valve seat, plus a support plate (11) which lies jointly on all the annular plates (10) on that side thereof facing away from the valve seat (2) and transfers the force of the spring elements (18) which act on it. The annular plates (10) can be bevelled both on the sides facing the valve seat (2) and on the sides facing away from the valve seat (2). With their bevelled side facing the valve seat (2) they engage in funnel-shaped enlargements in the valve seat (2) and cooperate with sealing seats (17).
REFERENCES:
patent: 767118 (1904-08-01), Popham et al.
patent: 867299 (1907-10-01), Pfluger
patent: 1690836 (1928-11-01), Redfield
patent: 2275627 (1942-03-01), Hartman
patent: 2870783 (1959-01-01), Kehler
patent: 3123095 (1964-03-01), Kohler
patent: 3536094 (1970-10-01), Manley, Jr.
patent: 4016906 (1977-04-01), Ulm
patent: 4483363 (1984-11-01), Madoche et al.
Hoerbiger Ventilwerke Aktiengesellschaf
Rivell John
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