One shot valve

Details One shot valve One shot valve

1988-10-03

1989-04-18

Chambers, A. Michael

Fluid handling

Destructible or deformable element controlled

Destructible element

137 67, F16K 1300

Patent

active

048217751

ABSTRACT:
A one-shot, three-way valve having an internal tube forming a zero-leakage fluid path prior to actuation of the valve and having a ram moveable to an actuated position where the tube is cut in two. The ram has a passageway mating in the actuated position with one portion of the cut tube to establish another fluid path. The ram is configured so that, in its actuated position, the other tube portion is pinched by the ram to both close off this other portion and wedge the ram in the actuated position. The valve is adapted for actuation by a pyrotechnic squib and for reuse by convenient replacement of the tube.

REFERENCES:
patent: 3093151 (1963-06-01), Merkowitz
patent: 3125108 (1964-03-01), Murphy
patent: 3332432 (1967-07-01), Marsh
patent: 3827449 (1974-08-01), Gurizzan et al.
patent: 3966226 (1976-06-01), Roth
patent: 4140041 (1979-02-01), Frelan
patent: 4215749 (1980-08-01), Dare et al.
patent: 4421005 (1983-12-01), Byrne
patent: 4542761 (1985-09-01), Scott
patent: 4570658 (1986-02-01), Dean et al.

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