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US 2023/0294703 A1Published application
Dual motor gearbox spool lock
AssigneeDana Automotive Systems Group, LLC
InventorsNathan D. MANDERY, Kyle MOURDOCK
Life of this patent
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Abstract
Methods and systems are provided for a vehicle including a first motor coupled to a first gear train, a second motor coupled to a second gear train, and a spool lock configured to variably couple the first gear train and the second gear train, allowing a first torque output by the first motor and a second torque output by the second motor to be combined and output to a first wheel coupled to the first gear train or a second wheel coupled to the second gear train.
Claims20
A system for an electric vehicle, comprising:
- a first motor coupled to a first gear train;
- a second motor coupled to a second gear train;
- and
- a spool lock configured to couple the first gear train and the second gear train.
1 more element
A method for a vehicle, comprising:
- during an operating mode with a wheel traction less than a determined value, locking a spool lock;
- and
- providing torque to a wheel with more traction via a first output shaft of a first gear train coupled to a first motor and a second output shaft of a second gear train coupled to a second motor.
A system for a vehicle drivetrain;
- comprising:
- a first motor coupled to a first gear train, the first gear train comprising a first output shaft coupled to a first wheel;
- a second motor coupled to a second gear train, the second gear train comprising a second output shaft coupled to a second wheel, wherein the second gear train is separate from the first gear train;
- an intermediate shaft arranged between the first output shaft and the second output shaft;
- a spool lock circumferentially surrounding at least a portion of the intermediate shaft;
- and
- a controller with computer-readable instructions stored on memory thereof that when executed cause the controller to:
- unlock the spool lock in response to a traction of the first wheel and the second wheel being equal;
- maintain a torque output of the first motor and the second motor;
- lock the spool lock in response to the traction of the first wheel and the second wheel being unequal;
- adjust a torque output of the first motor and the second motor;
- and
- supply a combined torque output of the first motor and the second motor to one of the first wheel and the second wheel.
10 more elements
Dependencies are inferred from the claim text.