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

1977-11-14

1978-08-29

Myracle, Jerry W.

Measuring and testing

Frictional resistance, coefficient or characteristics

Lubricant testing

73119R, G01M 1500

Patent

active

041095065

ABSTRACT:
A device for testing the lubrication of an internal combustion engine has a potentiometer circuit connected between two electrodes one in contact with the crankshaft and the other in contact with the crank case, a first voltage detector of the averaging type connected directly across the potentiometer and at least one further voltage detector of the averaging type connected to a threshold discriminator which is also connected across the potentiometer; a third averaging voltage detector may be connected to a further threshold discriminator connected across the potentiometer, this latter having a threshold set at a value different from that of the first mentioned discriminator: alternatively the first mentioned discriminator may be one having two thresholds to each of which it can be switched at will.

REFERENCES:
patent: 3457504 (1969-07-01), Arthur et al.
patent: 4000656 (1977-01-01), Moioli

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