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US 11,415,208 B2Granted
Multi-speed gearbox with a gear-clutch assembly
AssigneeDana Automotive Systems Group, LLC
InventorsEric M. Engerman, Ryan D. Nelms, Amar Nivarthi
Life of this patent
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Abstract
An electric drive axle of a vehicle includes an electric motor having an output shaft. A compound idler assembly is connected to the electric motor. The compound idler assembly includes at least one gear-clutch assembly in driving engagement with the output shaft of the electric motor. A differential is connected to the compound idler assembly, and in selective driving engagement with the compound idler assembly.
Claims7
A dual-clutch electric drive axle, comprising:
- a piston member dividing a chamber in a first portion and a second portion;
- a first fluid passage formed in an idler shaft and configured to flow a first fluid from a first fluid source into the first portion and a second fluid passage configured to flow a second fluid from a second fluid source into the second portion;
- and
- a fluid actuator configured to direct the first fluid through the first fluid passage in response to a first desired torque, wherein the fluid actuator is further configured to direct the second fluid through the second fluid passage in response to a second desired torque, wherein the second desired torque is greater than the first desired torque.
1 more element
Dependencies are inferred from the claim text.