Liquid level sensing circuitry

Details Liquid level sensing circuitry Liquid level sensing circuitry

G - Physics

08

B

340/144

G08B 21/00 (2006.01) G01F 23/24 (2006.01)

Patent

CA 1165836

296,064 CAN/RLM Abstract A liquid level sensing circuitry useable for detecting the presence of an acceptable or unacceptable level for a liquid, such as engine oil. Prior to termina- tion of the operation of the engine, the circuitry presents an unacceptable level indication at a control point. After completion of a time delay following ter- mination of engine operation, an acceptable level must be presented for a time to cause an acceptable level indication at the control point which is maintained pending initiation of engine operation. Upon initiation of engine operation a first discernible indication is provided for a time period if the control point presents an unacceptable level indication with a second discernible indication provided for such time period if the control point presents an acceptable level indication.

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