Fluid flow monitoring system

Details Fluid flow monitoring system Fluid flow monitoring system

1986-04-11

1987-02-10

Rowland, James L.

Communications: electrical

Condition responsive indicating system

Specific condition

340606, 340682, 137552, G08B 2100

Patent

active

046426140

ABSTRACT:
A system for monitoring flow of lubricant in a line in a lubrication system wherein, in normal operation, lubricant is intermittently delivered through the line, the system comprising a thermistor in the line adopted to be cooled by lubricant flowing in the line, a timer for intermittently timing out periods during each of which a delivery of lubricant should occur, and a monitoring circuit which includes a fault signal actuated at the termination of any period in which a normal flow of lubricant has not occurred and the thermistor accordingly has not been cooled.

REFERENCES:
patent: 3123745 (1964-03-01), Cook
patent: 3678631 (1972-07-01), Payne et al.
patent: 4101001 (1978-07-01), Smith
patent: 4186821 (1980-02-01), Wegmann
patent: 4354183 (1982-10-01), Weeks et al.

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