System and method of controlling V-belt type continuously...

Details System and method of controlling V-belt type continuously... System and method of controlling V-belt type continuously...

2007-03-20

2007-03-20

Charles, Marcus (Department: 3682)

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

Load responsive

C474S028000, C477S045000

Reexamination Certificate

active

10673919

ABSTRACT:
A system for controlling a V-belt type CVT is constructed to change a first position of a step motor to a second position of the step motor corresponding to a second target shift ratio if it is determined that the primary-pulley pressure fails to reach a predetermined value. The second target shift ratio is on the high-speed side with respect to a third position of the step motor corresponding to a third target shift ratio to be achieved if it is determined that the primary-pulley pressure reaches the predetermined value.

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patent: (09-250631 (1997-09-01), None
patent: (2001-330118 (2001-11-01), None

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