The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 10, 1987
Filed:
Apr. 11, 1986
Applicant:
Inventor:
John F Cook, St. Louis County, MO (US);
Assignee:
McNeil Corporation, St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
340608 ; 340606 ; 340682 ; 137552 ;
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.