Method and apparatus for regulating the transmission ratio...

Details Method and apparatus for regulating the transmission ratio... Method and apparatus for regulating the transmission ratio...

2006-05-16

2006-05-16

Nguyen, Thu V. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Transmission control

C477S068000

Reexamination Certificate

active

07047118

ABSTRACT:
A method and apparatus for regulating the transmission ratio of a continuously variable transmission. A set point value for adjusting the transmission ratio can be changed as a function of the operating parameters of a power train that includes the transmission. The set point value is composed of an initial control value and a regulating value. The initial control value depends on at least two operating parameters of the transmission. The set point value is updated to take into account changes that occur during operation of the transmission.

REFERENCES:
patent: 5011458 (1991-04-01), Kumm
patent: 6292730 (2001-09-01), Takizawa et al.

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