Mcneil

John F Cook

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.

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St. Louis County, MO, United States of America

John F Cook