Oil condition checking system for marine propulsion unit

Details Oil condition checking system for marine propulsion unit Oil condition checking system for marine propulsion unit

1990-08-30

1991-12-31

Lazarus, Ira S.

Lubrication

Safety alarm or indicating means

184 64, 123196S, 356 70, F01M 1110

Patent

active

050763970

ABSTRACT:
A lubricant condition sensing unit for the lower unit of a marine propulsion drive. Light is transmitted through the lubricant and the condition and level of the lubricant is sensed by comparing the light signal transmitted with a predetermined value.

REFERENCES:
patent: 4562801 (1986-01-01), Koike
patent: 4570069 (1986-02-01), Gager
patent: 4649711 (1987-03-01), Sibley et al.

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