Fluid handling – Line condition change responsive valves – Safety cut-off requiring reset
Patent
1987-12-04
1989-02-28
Hepperle, Stephen
Fluid handling
Line condition change responsive valves
Safety cut-off requiring reset
13762412, F16K 1700
Patent
active
048076619
ABSTRACT:
An apparatus for controlling the flow of fluid through a conduit is disclosed. The conduit permits normal flow of fluid through the conduit and detects abnormal flow of fluid which is due to a catastrophic failure of the fluid system or is due to intermittent flow of fluid caused by a leak in the fluid system. The apparatus is particularly useful in determining the abnormal flow of fluid through conduits where the normal flow of flow is erratic. The apparatus can be modified to change the parameters defining abnormal flow in the system.
REFERENCES:
patent: 4051715 (1977-10-01), Ledeen et al.
patent: 4249565 (1981-02-01), Brust
patent: 4252088 (1981-02-01), Frisby
patent: 4355654 (1982-10-01), Levesque et al.
patent: 4522229 (1985-06-01), Van de Moortele
patent: 4589435 (1986-05-01), Aldrich
Lewis Harry
Lewis Joel
Hepperle Stephen
Ostfeld David M.
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