Lubrication monitoring systems

Details Lubrication monitoring systems Lubrication monitoring systems

1979-03-08

1982-10-12

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

Specific condition

73204, 340 57, 340606, 340622, 374153, G08B 1900

Patent

active

043541836

ABSTRACT:
A bearing assembly includes a lubricated bearing and a thermistor mounted in or adjacent the lubricant flow path through to or from the bearing. The thermistor is in heat exchange relationship with the lubricant and is connected in an electrical circuit so as to operate in the self heating mode to respond to a deleterious change in the flow of lubricant along the path. The rate of flow of lubricant determines the rate of dispersion of heat from the thermistor and thereby determines the temperature of the thermistor.

REFERENCES:
patent: 2940070 (1960-06-01), Sanders
patent: 3312966 (1967-04-01), Schaller
patent: 3487467 (1969-12-01), Gruber
patent: 3548396 (1970-12-01), Roberts
patent: 3582928 (1971-06-01), Gaertner
patent: 3674112 (1972-07-01), Roberts
patent: 3782501 (1974-01-01), Pagella
patent: 3922658 (1975-11-01), Harper et al.
patent: 4001802 (1977-01-01), Fales
patent: 4074575 (1978-02-01), Bergman et al.
patent: 4122720 (1978-10-01), Podl
patent: 4126207 (1978-11-01), Dibowski et al.

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