Compact engine shutdown valve

Details Compact engine shutdown valve Compact engine shutdown valve

1992-03-05

1993-04-20

Chambers, A. Michael

Valves and valve actuation

Biased trip

Mechanical movement trip actuation

251302, 251367, 123394, F16K 3144

Patent

active

052035360

ABSTRACT:
An engine shutdown valve comprises a housing and a gate movable within a housing between a first position where the air flow through the shutdown valve is substantially unrestricted to a second position where the opening is restricted thereby stopping air flow. The gate is pivotable about an axis and a drive is located concentrically about the axis to rotate with the gate. The drive has a recess which is engageable by a piston movable between a first position where the gate is held in its latched position and a second position out of engagement with the recess so as to allow the gate to move to a position where the air passageway is closed. The piston assembly is located substantially wholly within the housing with only the piston of the piston assembly extending therefrom. The housing is divided into two halves joined together with cap screws having axes transverse to the axis of rotation of the gate.

REFERENCES:
patent: 4215845 (1980-08-01), Sturgeon
patent: 4285494 (1981-08-01), Sturgeon
patent: 4381100 (1983-04-01), Schoenberg
patent: 4422418 (1983-12-01), Dorn
patent: 4537386 (1985-08-01), Krepela et al.

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