Detecting coolant flow reduction for a marine engine system

Details Detecting coolant flow reduction for a marine engine system Detecting coolant flow reduction for a marine engine system

2011-04-26

2011-04-26

Lee, Benjamin C (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S603000, C340S605000, C073S114310, C073S114320, C073S114340, C701S029000, C701S030000, C701S031000, C701S032000, C701S033000, C123S022000, C123S041010

Reexamination Certificate

active

07932833

ABSTRACT:
A system for detecting a reduction in engine coolant flow rate is provided. The system includes a device configured to monitor at least one parameter associated with an engine, and a device configured to measure actual engine air intake manifold temperature. The system further includes a controller configured to determine a theoretical engine air intake manifold temperature based on the at least one monitored parameter, compare the theoretical engine air intake manifold temperature with the actual measured engine air intake manifold temperature, and generate a signal indicative of engine coolant flow rate.

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