Machine lubrication system monitor

Details Machine lubrication system monitor Machine lubrication system monitor

1997-12-18

1999-11-23

McCall, Eric S.

Measuring and testing

Vehicle chassis

Steering

123196S, G01M 1500

Patent

active

059879750

ABSTRACT:
A machine lubrication system monitor collects lubricant pressure, flow rate, and temperature information and calculates as a function thereof a substantially constant magnitude signal representing normal machine operation. Deviation therefrom indicates abnormal and potentially damaging machine operation. As a result, variation in lubricating oil viscosity, excess operating temperature, or change in oil flow path, e.g. leakage, in a pressurized lubricating fluid supply may be detected and machine damage avoided.

REFERENCES:
patent: 4497200 (1985-02-01), Tournier
patent: 4677847 (1987-07-01), Sawatari et al.
patent: 4796204 (1989-01-01), Inoue
patent: 4839831 (1989-06-01), Imajo et al.
patent: 5107246 (1992-04-01), Mogaki
patent: 5319963 (1994-06-01), Benford
patent: 5646341 (1997-07-01), Schricker et al.
patent: 5795998 (1998-08-01), Smith
patent: 5831154 (1998-11-01), Guertler et al.

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