Hydraulic actuator control system for refuse collection vehicle
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United States of America Patent
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Jun 5, 2012
Grant Date -
Jan 29, 2009
app pub date -
Jul 25, 2008
filing date -
Jul 27, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system for controlling motion of a hydraulic actuator on a refuse collection vehicle. The system includes an operator input device configured to produce a proportional electrical signal that is proportional to the degree of motion of the operator input device. The system further includes a proportional pneumatic control valve that is configured to produce a pressurized air control signal in proportion to the proportional electrical signal, and a hydraulic control valve that is configured to selectively control flow of hydraulic fluid to a hydraulic actuator in response to the pressurized air control signal.
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