Vehicle control system

Details Vehicle control system Vehicle control system

2007-10-23

2007-10-23

Wright, Dirk (Department: 3681)

Interrelated power delivery controls, including engine control

Transmission control

Engine controlled by transmission

Reexamination Certificate

active

11124774

ABSTRACT:
A control system for a vehicle, the vehicle including an engine, a variable transmission for varying the transmission ratio between an output member of the engine and a ground engaging drive apparatus, the control system including at least one control apparatus which is operative to provide inputs to a controller, the controller being responsive to inputs from the control apparatus when the control system is operating in a first operating mode, to provide output signals to vary the engine speed, and when the control system is operating in a second operating mode, to provide output signals to vary the transmission ratio without changing the engine speed, and a mode selector control whereby an operator may select the first or second operating mode.

REFERENCES:
patent: 4648040 (1987-03-01), Cornell
patent: 4740898 (1988-04-01), McKee et al.
patent: 4771656 (1988-09-01), Itoh
patent: 5406483 (1995-04-01), Kallis
patent: 6553302 (2003-04-01), Goodnight et al.
patent: 6704637 (2004-03-01), Hrazdera et al.
patent: 2002/0010534 (2002-01-01), Goodnight et al.
patent: 0967107 (1999-12-01), None

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