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US 2024/0227547 A9Published application
Electric axle with multiple electric machines and locking clutch
AssigneeDana Automotive Systems Group, LLC
InventorsRick C. SIGMON, Andy PERAKES, Eric M. ENGERMAN
Life of this patent
Estimating the term…
Abstract
Systems and methods for a lockable electric axle are provided. The electric axle includes a first electric machine coupled to a first drive wheel via a first gear set. The electric axle further includes a second electric machine coupled to a second drive wheel via a second gear set, and a locking clutch designed to selectively lock the rotation of a first rotor shaft and a second rotor shaft in the first and second electric machines, respectively.
Claims20
An electric axle comprising:
- a first electric machine coupled to a first drive wheel via a first gear set;
- a second electric machine coupled to a second drive wheel via second gear set;
- and
- a locking clutch designed to selectively lock rotation of a first rotor shaft and a second rotor shaft in the first and second electric machines, respectively.
1 more element
A method for operating an electric axle, comprising:
- engaging a locking clutch to lock rotation of a first rotor shaft and a second rotor shaft in a first electric machine and a second electric machine, respectively;
- wherein the first electric machine is coupled to a first drive wheel via a first gear set;
- and
- wherein the second electric machine is coupled to a second drive wheel via second gear set.
1 more element
An electric beam axle comprising:
- a first electric machine coupled to a first drive wheel via a first gear set;
- a second electric machine coupled to a second drive wheel via second gear set;
- and
- a locking clutch including:
- a first splined interface fixedly coupled to a first rotor shaft in the first electric machine;
- a second splined interface fixedly coupled to a second rotor shaft in the second electric machine;
- and
- a sliding sleeve designed to selectively mate with a first splined interface and a second splined interface.
5 more elements
Dependencies are inferred from the claim text.