Low oil cut off switch

Details Low oil cut off switch Low oil cut off switch

1987-03-12

1988-04-05

Tolin, G. P.

Electricity: circuit makers and breakers

Float

Float and pressure

73308, 73322, 340624, 200 814, H01C 3518

Patent

active

047360771

ABSTRACT:
A low oil cut off switch is provided and consists of a dual magnetic switch within a housing that is adjustably and slideably mounted to transparent tube of a rising stem fuel indicating gauge of a fuel storage tank. The dual magnetic switch which when attached by a magnetic fuel level indicating element within the fuel indicating gauge will first actuate an alarm to indicate a low fuel level in the storage tank and if undetected will next shut off fuel burner operation before the storage tank runs dry.

REFERENCES:
patent: 3138024 (1964-06-01), Pariser
patent: 4019659 (1977-04-01), Deneen
patent: 4290059 (1981-09-01), Noyes
patent: 4473730 (1984-09-01), Ida
patent: 4647740 (1987-03-01), Hansen, III

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