Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1982-05-28
1983-11-01
Nilson, Robert G.
Fluid handling
Line condition change responsive valves
Direct response valves
137494, 137528, F16K 1500
Patent
active
044125550
ABSTRACT:
The valve includes a disk (8) one side of which is subjected to the action of an adjustable thrust unit and the other side of which is applied against a seat (3) connected to the pressure source of said hydraulic installation, the thrust unit (12) being constituted by an adjustably pressurized deformable chamber. The valve is used in particular for protecting hydraulic installations e.g. water pipes against accidental overpressures, e.g. water-hammer.
REFERENCES:
patent: 886045 (1908-04-01), Erlich
patent: 1631263 (1927-06-01), Greenhouse
patent: 2243711 (1941-05-01), Lamb
patent: 3636969 (1979-01-01), Jacbellis
patent: 3913613 (1975-10-01), Kostjunin
patent: 3913615 (1975-10-01), Cooper
patent: 3933172 (1976-01-01), Allen
patent: 4245668 (1981-01-01), Lindstrom
Nilson Robert G.
Societe Anonyme dite: Alsthom-Atlantique
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