Safety blow-out protection for fluid actuators

Details Safety blow-out protection for fluid actuators Safety blow-out protection for fluid actuators

1975-05-02

1977-04-12

Ostrager, Allen M.

Power plants

Motor operated by expansion and/or contraction of a unit of...

Mass is a liquid

60527, 60530, F03G 706

Patent

active

040167224

ABSTRACT:
Excessive pressure is relieved in a fluid actuator by controlled destruction of an internal extensible diaphragm without damage to the exterior structural integrity of the actuator. Upon occurrence of such abnormal excessive pressure in the actuator pressure chamber, the diaphragm, which is otherwise substantially supported, is permitted to deform at a known location until fracturing thereof occurs to release fluid from the pressure chamber. In one form the invention comprises an opening in the actuator guide cap and in other forms comprises openings in the actuator piston or an enlargement in part of the guide cap.

REFERENCES:
patent: 3180235 (1965-04-01), Schmitz
patent: 3183672 (1965-05-01), Morgan
patent: 3609635 (1971-09-01), Harris
patent: 3664698 (1972-05-01), Stropkay
patent: 3712052 (1973-01-01), Staschke

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