Interrelated power delivery controls – including engine control – Transmission control – Engine controlled by transmission
Reexamination Certificate
2005-01-18
2005-01-18
Wright, Dirk (Department: 3681)
Interrelated power delivery controls, including engine control
Transmission control
Engine controlled by transmission
Reexamination Certificate
active
06843755
ABSTRACT:
An exemplary power management system may include a power source and a transmission. The transmission may include a drive member and at least two shift ranges. The drive member may be driveably engaged with the power source. The power management system may also include a control system in communication with the power source and the transmission. The control system may be operative to cause a shift transition between the at least two shift ranges in response to a shift command. The control system may also be operative, during at least a portion of the shift transition, to modify at least one of a speed of the drive member and a speed of the power source based on at least one of a load condition of the power source, a speed of the power source, and the at least two shift ranges.
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Collins David Langsford
Deivasigamani Sridhar
Estebanez Gareth John
Kendrick Larry Ellis
Lister Brian Eugene
Caterpillar Inc
Finnegan Henderson Farabow Garrett & Dunner
Hanley Steven M
Wright Dirk
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