Pressure relief system with supply activated valve

Fluid handling – Destructible or deformable element controlled – Destructible element

Reexamination Certificate

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Details

C137S488000, C137S492000

Reexamination Certificate

active

06843265

ABSTRACT:
A pressure relief system for detecting and abating an overpressure in a pressurized fluid. The system includes a pressure response assembly that has a pressure responsive member, such as a buckling pin, configured to buckle when a predetermined force is applied to the member. When the buckling pin buckles, a piston slides to expose an inlet to a communication path to an actuator assembly. The actuator assembly includes a pair of sliders that move from a retracted position to an extended position when pressurized fluid enters an actuator assembly housing. The sliders have a rack that turns a pinion when the sliders move from the retracted position to the extended position. The pinion is rigidly attached to a rotatable actuator shaft. Rotation of the actuator shaft causes a valve assembly to open or close to direct the pressurized fluid through an overpressure path.

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patent: 2247300 (1992-02-01), None

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