Control system
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United States of America Patent
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-
Mar 10, 2009
Grant Date -
Jul 26, 2007
app pub date -
Jan 24, 2007
filing date -
Jan 25, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A control system for controlling at least one function of an item of construction equipment. The control system includes a pump, a proportional control valve, a directional control valve, a signal source, a switch, and a processor. The proportional control valve is in fluid communication with the pump and the directional control valve is in fluid communication with the proportional control valve. The switch is adapted to be in an open position and in a closed position. The processor is adapted to receive a processor input, receive the signal from the signal source, and transmit a processor output to the proportional control valve. The switch transmits a false signal to the processor when it is in the open position and a true signal when it is in the closed position. The control system is adapted to control the at least one function of the item of construction equipment.
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