Water spray control system for underground mining machine

Details Water spray control system for underground mining machine Water spray control system for underground mining machine

1991-06-21

1992-12-22

Focarino, Margaret A.

Fire extinguishers

Processes

169 19, 169 60, 169 61, 169 64, A62C 302

Patent

active

051727676

ABSTRACT:
A fire suppression water spray array for an underground mining machine includes an accumulator, and a normally open electrically operated valve interconnected in the machine hydraulic control system for operating a hydraulically operated water spray control valve to initiate the water spray in the event of interruption of electrical power to the machine.

REFERENCES:
patent: 3515217 (1970-06-01), Jamison
patent: 3684021 (1972-08-01), Poitras

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