Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Patent
1998-12-23
2000-07-25
Dolinar, Andrew M.
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
With indicator or control of power plant
701114, 73112, 123350, 340439, F02D 4114, G01M 1500
Patent
active
060946172
ABSTRACT:
A system for monitoring the output power of an engine associated with a work machine based upon monitoring the input and output speeds of a torque converter or torque divider coupled to the engine, the present system including a first sensor for determining engine speed, a second sensor for determining the throttle position of the engine, a third sensor for determining the output speed of the torque converter or torque divider, and an electronic controller coupled to the first, second and third sensors for receiving signals therefrom, the controller comparing the actual engine speed and the actual torque converter or divider output speed at a particular throttle setting to an engine speed and converter/divider output speed indicative of optimal or desired engine power output at that same throttle position and thereafter outputting a signal to a monitoring/warning system indicative of low engine power performance when the controller receives a signal from the third sensor indicative of the converter/divider output speed being less than a predetermined converter/divider output speed based upon optimal or desired engine performance at that particular throttle position.
REFERENCES:
patent: 5594643 (1997-01-01), Birchenough
patent: 5609067 (1997-03-01), Mitchell et al.
patent: 5609550 (1997-03-01), Saxena et al.
patent: 5848371 (1998-12-01), Creger
Caterpillar Inc.
Dolinar Andrew M.
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