Method and apparatus for transmission clutch modulation during gear shift based on payload and selected direction
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United States of America Patent
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Jul 11, 2000
Grant Date -
N/A
app pub date -
Jun 18, 1999
filing date -
Jun 18, 1999
priority date (Note) -
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Abstract
In a vehicle, such as a construction vehicle, which has a payload of variable but significant weight with respect to the empty weight of the vehicle, a sensor senses the weight of the payload and transmits a signal representative thereof to a processor. The processor modulates clutch transmission fluid pressure as a function of the payload, permitting more uniform operating characteristics. The sensor can be a hydraulic fluid pressure sensor installed in a hydraulic cylinder used to lift a payload bucket arm.
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