Earthquake valve

Details Earthquake valve Earthquake valve

1974-03-14

1976-06-29

Nilson, Robert G.

Fluid handling

Control by change of position or inertia of system

F16K 1736

Patent

active

039659178

ABSTRACT:
An acceleration responsive device usable as a shut-off valve for a fluid conduit having a pair of reactant masses which are loosely interlocked together, the masses mounted within a housing. Upon the housing receiving a shock force of predetermined magnitude, the masses are caused to move from an in-line interlocked position to a misaligned interlocked position. The masses are connected to a latching means which when in the misaligned position is activated to move an actuation means to close the fluid conduit.

REFERENCES:
patent: 2206067 (1940-07-01), Waltamath
patent: 3489160 (1970-01-01), Moore

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