Electrical cut off switch

Details Electrical cut off switch Electrical cut off switch

H - Electricity

01

H

73/39, 340/146.2

H01H 35/18 (2006.01)

Patent

CA 1263723

ABSTRACT OF THE DISCLOSURE The present invention provides an automatic cut off switch which grounds the magneto-spark plug circuit of a small gasoline engine shutting the engine down when the quantity of lubricating oil within the sump falls below a predetermined quantity. The switch is operated by a balance beam float assembly housed within a protective shroud. The protective shroud acts to collect a relatively stable pool of oil, representative of the quantity of oil remaining in the sump, for activation of the balance beam float. Upon refilling of the oil sump the switch automatically resets thereby permitting re-start of the engine.

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