Monitoring apparatus for a construction machine

Details Monitoring apparatus for a construction machine Monitoring apparatus for a construction machine

1986-01-31

1987-02-17

Rowland, James L.

Communications: electrical

Condition responsive indicating system

Specific condition

340 52F, 340 53, 123351, 123198DB, G08B 2100

Patent

active

046443347

ABSTRACT:
A monitoring apparatus for a construction machine having an engine includes sensors for detecting abnormality conditions at various predetermined inspection positions. A warning system, cooperating with the sensors, provides an engine idling signal and a visual display in accordance with the detected abnormality condition. A delay circuit causes the warning system to activate the visual display only if the abnormality condition continues for a predetermined time after issuance of the engine idling signal. The engine idling signal itself is provided without delay upon detection of the abnormality condition, and causes the engine to idle.

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patent: 4327352 (1982-04-01), Cerruti
patent: 4429670 (1984-02-01), Ulanet

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