Device for monitoring the lubrication of the crankshaft of a rec

Details Device for monitoring the lubrication of the crankshaft of a rec Device for monitoring the lubrication of the crankshaft of a rec

1978-01-25

1979-09-11

Lazarus, Ronald H.

Internal-combustion engines

Lubricators

Crankcase, pressure control

184 64, 184 24, F01M 100

Patent

active

041671724

ABSTRACT:
The lubrication of an engine crank shaft is monitored using a wheatstone resistance measuring bridge one of the arms of which includes lubricating oil ducts between the crank shaft and crank case of the engine, balanced against a reference resistance provided by a resistance measuring cell through which the engine lubricating oil flows. The resistance measuring cell may have an external heater for heating the oil in the cell to a temperature compatible with that of the oil in the engine bearings when the engine is running.

REFERENCES:
patent: 1289903 (1918-12-01), Pogue
patent: 1788941 (1931-01-01), Bradley
patent: 1926801 (1933-09-01), Christian
patent: 2337414 (1943-12-01), Rieber
patent: 2349563 (1944-05-01), Rouy

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