Shake or vibration activated valve operating mechanism

Details Shake or vibration activated valve operating mechanism Shake or vibration activated valve operating mechanism

1986-08-25

1988-05-10

Nilson, Robert G.

Fluid handling

Control by change of position or inertia of system

251 74, F16K 1736

Patent

active

047428392

ABSTRACT:
A vibration or shake activated mechanism is provided for operating a valve which has inlet and outlet ports and a valve disk rotatably mounted in a valve body. A spring interconnects the valve body and valve disk to urge the valve disk toward its closed position, and a trigger arm is movably, preferably pivotally, connected with the valve body and has a catch tongue for engaging the valve disk to retain it in its open position. An inertial mass connected with the trigger arm and spaced from the catch tongue effects relative movement between the mass and the valve body to disengage the catch tongue from the valve disk to release it to rotate to its closed position. The mechanism may provide response to vertical shake or vibration, horizontal shake or vibration, or both.

REFERENCES:
patent: 1801816 (1931-04-01), Livingston
patent: 3791396 (1974-02-01), Nelson
patent: 3890993 (1975-06-01), MacNeilage
patent: 4161183 (1979-07-01), Berry
patent: 4546660 (1985-10-01), Bujold

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