Low level lubricating oil detector

Details Low level lubricating oil detector Low level lubricating oil detector

1985-11-13

1986-11-18

Cross, E. Rollins

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123196R, 123196S, 184 64, F02B 7700

Patent

active

046229353

ABSTRACT:
A low level lubricating oil detector for an internal combustion engine. The detector includes a tube that is located in crankcase of the engine and the tube has an opening in its lower end located at the predetermined minimum oil level. The upper end of the tube communicates with a chamber and one side of the chamber is enclosed by a piezo electric element. When the oil level in the crankcase recedes beneath the minimum level, pressure pulsations in the crankcase are transmitted through the tube to the piezo electric element which generates a signal that operates through an electric circuit to stop operation of the engine.

REFERENCES:
patent: 3366100 (1968-01-01), Sapp
patent: 3385109 (1968-05-01), Crane
patent: 3983958 (1976-10-01), Swearingen
patent: 4203408 (1980-05-01), Yamaguchi
patent: 4256069 (1981-03-01), Masuda
patent: 4480610 (1984-11-01), Stinson

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