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Direct drive pivot and pivot lockup of a transmission system and method thereof
A method of controlling a transmission includes providing an input, an output, a controller, a control system, a hydrostatic unit, and a geartrain. The geartrain includes a direct drive pivot clutch and a steer drive geartrain. The method also includes receiving a pivot command by the controller from a shift selector, where the command indicates the shift selector is in a pivot position. The method further includes engaging the direct drive pivot clutch, decoupling the hydrostatic unit from a torque path defined between the input and the output, and coupling the input and the output to one another via a second torque path. The second torque path is defined through the direct drive pivot clutch and the steer drive geartrain. The transmission is controllable in a direct drive steer operation.
Direct drive pivot and pivot lockup of a transmission system and method thereof
A method of controlling a transmission includes providing an input, an output, a controller, a control system, a hydrostatic unit, and a geartrain. The geartrain includes a direct drive pivot clutch and a steer drive geartrain. The method also includes receiving a pivot command by the controller from a shift selector, where the command indicates the shift selector is in a pivot position. The method further includes engaging the direct drive pivot clutch, decoupling the hydrostatic unit from a torque path defined between the input and the output, and coupling the input and the output to one another via a second torque path. The second torque path is defined through the direct drive pivot clutch and the steer drive geartrain. The transmission is controllable in a direct drive steer operation.
Direct drive pivot and pivot lockup of a transmission system and method thereof
HOOD ROBERT C (author) / JONES KELLY L (author)
2019-08-20
Patent
Electronic Resource
English
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