Automatic trigger mechanism for portable fire extinguishers

Details Automatic trigger mechanism for portable fire extinguishers Automatic trigger mechanism for portable fire extinguishers

1986-08-18

1988-01-12

Peters, Jr., Joseph F.

Fire extinguishers

Special applications

For vehicles

169 60, 169 29, 337395, 337388, 2511292, A62C 3512

Patent

active

047184981

ABSTRACT:
A flame sensing device is connected to complete a circuit to supply current to an electromagnet to release fire extinguishing fluid to extinguish the flames. The flame sensing device includes a first spring which extends when heated, and a second spring in compression acting to pull an end of the first spring to close a contact to provide the current to the electromagnet.

REFERENCES:
patent: 1476594 (1923-12-01), Conover
patent: 3387662 (1968-06-01), Molgano, Jr.
patent: 3515218 (1970-06-01), Gardner et al.
patent: 4276939 (1981-07-01), Atack

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