Engine condition monitoring system

Details Engine condition monitoring system Engine condition monitoring system

1996-09-24

1998-10-13

Solis, Erick R.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123198D, F02B 7708

Patent

active

058196986

ABSTRACT:
An engine condition monitoring system includes a sensor for producing a sensor signal representing the oxygen content of the exhaust gas of a small internal combustion engine in a floor buffer fueled by propane or other form of natural gas. A micro-processor, operating in accordance with programming instructions stored in an EPROM, processes the received sensor signal, determines whether the engine is operating in one of four categories: normal, warning, idle and shut down, and generates an output signal indicative of the determined category. The output signal is used to provide a visual display of the engine's condition on red and green LEDs and/or shut down the engine by shorting the ignition circuit.

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patent: 5379740 (1995-01-01), Moore et al.
patent: 5415136 (1995-05-01), Doherty et al.
patent: 5426934 (1995-06-01), Hunt et al.

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