Fluid handling – Line condition change responsive valves – Safety cut-off requiring reset
Patent
1982-09-24
1984-07-03
Weakley, Harold W.
Fluid handling
Line condition change responsive valves
Safety cut-off requiring reset
137463, 251 73, F16K 1700
Patent
active
044573340
ABSTRACT:
A pressure sensitive device for shutting off flow through a valve is disced. The device includes a pressure sensor having an integral atmospheric pressure reference for releasing a plunger to shut off flow through the valve. A manually operated eccentric pin and slot arrangement is provided for resetting the plunger to the open position.
REFERENCES:
patent: 2718899 (1955-09-01), Goddard
patent: 2785698 (1957-03-01), Vance
patent: 3228417 (1966-01-01), Schwerter
patent: 3709242 (1973-01-01), Chase
patent: 4276237 (1981-06-01), Barker
Becker Henry
Engels Roger
Gibbs Roger
Hubbard Rodney
Beers Robert F.
Breh Donald J.
The United States of America as represented by the Secretary of
Walden Kenneth E.
Weakley Harold W.
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