Automatic Transmission and a Dog Clutch for an Automatic Transmission

摘要

A dog clutch for an automatic transmission includes a mating clutch that defines a plurality of helical splines and a sliding clutch that defines a plurality of helical splines. The helical splines of the sliding clutch mesh with the helical splines of the mating clutch in an engaged configuration. The dog clutch also includes a synchronizer positioned at the sliding clutch. A related automatic transmission is also provided.

主权项

1. An automatic transmission, comprising:
a plurality of planetary gear sets; a plurality of shifting elements including a dog clutch, the dog clutch comprising
a mating clutch mounted to a gear of the plurality of planetary gear sets, the mating clutch defining a plurality of helical splines at an outer surface of the mating clutch;a sliding clutch defining a plurality of helical splines at an inner surface of the sliding clutch, the sliding clutch movable between an engaged configuration and a disengaged configuration, the helical splines of the plurality of helical splines of the sliding clutch meshed with the helical splines of the plurality of helical splines of the mating clutch in the engaged configuration, the helical splines of the plurality of helical splines of the sliding clutch not meshed with the helical splines of the plurality of helical splines of the mating clutch in the disengaged configuration; anda synchronizer positioned at the sliding clutch, the synchronizer comprising a base and a plurality of teeth extending from the base, each tooth of the plurality of teeth positioned between a pair of helical splines of the plurality of helical splines of the sliding clutch.