Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Patent
1976-09-27
1979-02-06
Weakley, Harold W.
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
F16K 3112
Patent
active
041379411
ABSTRACT:
The invention is a fluid discharge valve wherein the force necessary to mtain the valve in a closed position in the absence of fluid pressure is kept at a very nominal pressure. The fluid discharge valve further provides for the force on the valve body to increase proportional to the pressure up to a pre-determined value. At this pre-determined value, means are provided to open the valve and thereby allow fluid to pass. The invention provides for a discharge valve which maintains its initial calibration, as well as avoids the valve body and valve member to be exposed to a high closing force in the absence of fluid pressure. Further, means are provided to allow for selecting the pre-determined value.
REFERENCES:
patent: 2693821 (1954-11-01), Cornelius
patent: 2906289 (1959-09-01), Fox
patent: 2991797 (1961-07-01), Baldwin
patent: 3064687 (1962-11-01), Natho
patent: 3519011 (1970-07-01), Pennanen
Centre Stephanois de Recherches Mecaniques Hydromecanique et Fro
VanOphem Remy J.
Weakley Harold W.
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