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US 12,611,926 B2Granted
Electric drive axle in a vehicle
AssigneeDana Automotive Systems Group, LLC
InventorEric M. Engerman
Life of this patent
Estimating the term…
Abstract
An electric drive axle in a vehicle is provided. The electric drive axle includes, in one example, a housing configured to enclose an electric motor-generator and a gearbox. In the electric drive axle, the housing includes a first section that is removably coupled to a second section, the second section at least partially encloses the gearbox, the first section includes a first axle shaft opening, and the second section includes a second axle shaft opening that is laterally aligned with the first axle shaft opening.
Claims13
A electric drive axle system, comprising:
- a housing body that at least partially encloses an electric motor, a gearbox, and a differential and including a shaft opening;
- a first access panel removably attached to a first flange of the housing body via a plurality of attachment devices and providing access to the differential;
- and
- a second access panel removably attached to a second flange of the housing body via a plurality of attachment devices and providing access to at least one of the gearbox and the electric motor;
- a plurality of electrical connectors configured to electrically couple to an inverter;
- multiple suspension mounting interfaces configured to attach to a suspension system;
- and
- a third access panel removably coupled to the housing body;
- wherein the third access panel is arranged parallel to the second access panel;
- wherein the first access panel is arranged at a non-parallel angle in relation to the second access panel;
- and
- wherein the housing body, the first access panel, and/or the second access panel include a plurality of reinforcing ribs.
9 more elements
A rigid beam electric axle system, comprising:
- a housing body that at least partially encloses an electric motor, a gearbox, and a differential and including a first shaft opening;
- a first access panel removably attached to a first flange of the housing body via a plurality of attachment devices and providing access to the differential;
- a second access panel removably attached to a second flange of the housing body via a plurality of attachment devices and providing access to at least one of the gearbox and the electric motor;
- a wiring harness including electrical connectors configured to electrically couple to an inverter;
- multiple suspension mounting interfaces configured to attach to a suspension system;
- and
- a third access panel removably coupled to the housing body;
- wherein the first access panel is arranged at a non-parallel angle in relation to the second access panel;
- wherein the housing body includes a plurality of reinforcing ribs;
- and
- wherein at least one of the first access panel and the second access panel includes a plurality of reinforcing ribs.
8 more elements
Dependencies are inferred from the claim text.