Emergency firehose switchover device for wells and the like

Fire extinguishers – Special applications

Patent

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Details

13735527, 169 18, A62C 3500

Patent

active

045208727

ABSTRACT:
An emergency fluid supply system in combination with a well having an electrically operable pump supplying fluid to a structure having a first fluid distribution system, an electric power supply and an electric distribution system includes a second fluid distribution system in fluid communication with the pump. A valve connects the first and second distribution systems and has a first position associated with supplying fluid to the first fluid distribution system and a second position associated with supplying fluid to the second fluid distribution system. A switch is in electrical connection with the electric power supply, the pump and the electric distribution system and has a first position associated with supplying power to the pump and the electric distribution system and a second position associated with supplying power to the pump only. The valve first position is associated with the switch first position and the valve second position is associated with the switch second position. An actuator assembly operably interconnects the valve and the switch for simultaneously positioning the valve and the switch in a preselected one of the first and second positions.

REFERENCES:
patent: 2752198 (1956-06-01), Crow
patent: 3294105 (1966-12-01), Schaub
patent: 4361189 (1982-11-01), Adams

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