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US 11,486,470 B2Granted
Methods and systems for an actuation system
AssigneeDana Heavy Vehicle Systems Group, LLC
InventorsRobert A. Wright, Michael Z. Creech
Life of this patent
Estimating the term…
Abstract
Methods and systems are provided for an actuation system for a driveline shifting member in a transmission system of a vehicle. In one example, a system may include an actuator coupled to a lever arm via one or more parallel axis gears, and a shaft connecting the lever arm to a driveline shifting member, the lever arm driven via a rolling element housed within a slot in the lever arm aligned with a center of a parallel axis gear of the one or more parallel axis gears.
Claims15
A method for a transmission system, comprising:
- rotating a parallel axis gear coupled to a lever arm through a dowel in a slot of the lever arm, the dowel fixed to the parallel axis gear, to rotate the lever arm;
- and
- engaging and disengaging a driveline shifting member by the rotation of the lever arm, the rotational degrees of the lever arm substantially less than rotational degrees of the parallel axis gear, wherein rotation of the lever arm is fixed about an end connection of the lever arm to a rotational shaft, the shaft coupled to a shift fork.
A method for a vehicle transmission, comprising:
- rotating a parallel axis gear coupled to a lever arm through a dowel in a slot of the lever arm, the dowel fixed to the parallel axis gear, to rotate the lever arm;
- and
- shifting a driveline shifting member of the vehicle transmission by rotation of the lever arm engaging and disengaging the driveline shifting member, the rotational degrees of the lever arm substantially less than rotational degrees of the parallel axis gear.
Dependencies are inferred from the claim text.