Electricity: motive power systems – Motor structure adjustment or control – Brush or other current-collector control
Patent
1991-03-27
1993-01-05
Wysocki, A. Jonathan
Electricity: motive power systems
Motor structure adjustment or control
Brush or other current-collector control
340648, 318449, H02P 300
Patent
active
051774194
ABSTRACT:
An apparatus for controlling a load lifting implement of a work vehicle in response to the condition of a motor brush is provided. The vehicle has a frame and the load lifting implement is connected to the frame and elevationally moveable relative to the frame between first and second directions. A brush wear indicator senses the wear of the motor brush and produces a warning signal in response to a predetermined amount of wear of the motor brush. A control system receives the warning signal and responsively controllably inhibits the elevational movement of the load lifting implement in at least one of the first and second directions.
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U.S. application Ser. No. 07/591,312, filed Oct. 1, 1990, by: Mark L. Elliott et al.
Nielsen Bruce A.
Pickering William
Wild Arthur
Caterpillar Industrial Inc.
Wysocki A. Jonathan
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