Interrelated power delivery controls – including engine control – Transmission control – Transmission controlled by engine
Reexamination Certificate
2005-12-27
2005-12-27
Lewis, Tisha (Department: 3681)
Interrelated power delivery controls, including engine control
Transmission control
Transmission controlled by engine
C701S056000, C701S062000
Reexamination Certificate
active
06979279
ABSTRACT:
A controller-assisted, manually shifted transmission system having a control system and method for controlling automatic range shifts are disclosed. Automatic range shifts are determined by control logic utilizing predetermined logic rules to evaluate transmission system criteria. The control logic determines a set of potential target gear ratios. Engine overspeed tests evaluate the set of potential target gear ratios in combination with the transmission system criteria. The appropriate range shift is determined and executed based on the selected target gear ratio.
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Hughes Douglas A.
Marx Karen L.
Brooks & Kushman P.C.
Eaton Corporation
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