US 11,913,547 B2
Modular park lock system and operating method
Nathan Mandery, Perrysburg, OH (US); David Luce, Perrysburg, OH (US); and Cody Ott, Ida, MI (US)
Assigned to DANA AUTOMOTIVE SYSTEMS GROUP, LLC, Maumee, OH (US)
Filed by Dana Automotive Systems Group, LLC, Maumee, OH (US)
Filed on Sep. 19, 2022, as Appl. No. 17/933,377.
Claims priority of provisional application 63/263,932, filed on Nov. 11, 2021.
Prior Publication US 2023/0145682 A1, May 11, 2023
Int. Cl. F16H 63/34 (2006.01)
CPC F16H 63/3491 (2013.01) [F16H 63/3425 (2013.01); F16H 63/3475 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A park lock unit, comprising:
a sliding assembly configured to engage and disengage a parking pawl from a toothed wheel;
an electronic actuation assembly configured to engage the parking pawl with the toothed wheel when electric power provided to the electronic actuation assembly drops below a threshold value; and
a manual release mechanism configured to disengage the parking pawl from the toothed wheel in response to operator input;
wherein the manual release mechanism includes a cam that induces translation of the sliding assembly into a disengaged position, when actuated.