Melting safety device for gas system of hydropneumatic pressure

Details Melting safety device for gas system of hydropneumatic pressure Melting safety device for gas system of hydropneumatic pressure

1989-04-10

1990-05-08

Rivell, John

Fluid handling

Destructible or deformable element controlled

Heat destructible or fusible

137 79, 220 89B, F16K 1740

Patent

active

049229443

ABSTRACT:
A melting safety device for discharging gas from the gas system of a hydropneumatic pressure reservoir or accumulator has a blocking element of a material which melts when exposed to an undue temperature increase. A normally closed valve can be opened by a control member which is prebiased for controlled movement by the force of a power drive. The blocking element is a mechanical blocking member which blocks the controlled movement of the control member prior to its melting, but permits the controlled movement of the control member upon melting.

REFERENCES:
patent: 1920647 (1933-08-01), Lake
patent: 2461940 (1949-02-01), Sundstrom
patent: 4006780 (1977-02-01), Zehr
patent: 4059125 (1977-11-01), Sugimura et al.
patent: 4099538 (1978-07-01), Curtis
patent: 4352365 (1982-10-01), Boccardo
patent: 4365643 (1982-12-01), Masclet et al.

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