CVT downshift control strategy to minimize slip at the drive pul

Details CVT downshift control strategy to minimize slip at the drive pul CVT downshift control strategy to minimize slip at the drive pul

1991-08-29

1992-12-08

Braun, Leslie A.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

474 18, B60K 4116

Patent

active

051687780

ABSTRACT:
New methods for controlling an automotive continuously variable transmission (CVT) during downshifting such that chain-belt slippage will not occur. The relationship between the primary and secondary sheave forces is used to predict and control the primary force so that the primary clamping force is sufficient to prevent slippage.

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