G - Physics – 01 – R
Patent
G - Physics
01
R
324/45
G01R 27/16 (2006.01) G01R 19/165 (2006.01) G01R 31/02 (2006.01) F02B 1/04 (2006.01) F02B 3/06 (2006.01)
Patent
CA 1132661
ABSTRACT A monitoring circuit for electrically conductive resistive devices such as diesel glow plugs in which the devices are fed through an electrically sensitive path, and the voltage across the electrical devices is sensed with respect to a reference. If the sensed voltage is above the reference indicating the presence of a defective device, a warning is indicated. The circuit includes means allowing warm up of the devices before sensing, and for inhibiting signals,which would otherwise indicate a false warning,after a chosen period for sensing.
321469
Borden Ladner Gervais Llp
United-Carr Division Of Trw Canada Ltd.
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