Patent ID: 9562594
Date: 2017-02-07
CPC Classifications: F16H,Y10T

Claim:
1. A transmission control circuit for a transmission including a variator and an electro-hydraulic control, the transmission control circuit including memory having instructions stored therein that, when executed by the transmission control circuit, cause the transmission control circuit to: control a variator trim control sub-system of the electro-hydraulic control, control a variator actuator sub-system of the electro-hydraulic control, and control a variator switching sub-system of the electro-hydraulic control, wherein to control the variator switching sub-system comprises to (i) supply a first fluid supplied by a first trim valve to the variator switching sub-system during at least one predefined operating condition of the transmission, and (ii) supply a second fluid supplied by a second trim valve to the variator switching sub-system during operating conditions other than the at least one predefined operating condition.