Final drive for driving a vehicle wheel
AssigneeZF Friedrichshafen AG
InventorMax Bachmann
Life of this patent
Estimating the term…
Abstract
A brake (15) is arranged between a drive motor (1) and reduction steps (3, 11). By arranging the reduction steps (3, 11) directly adjacent one another, adequate cooling of one of the reduction steps is achieved. The wheel bearing (13) is located radially outside but axially in the area of the first reduction step (3). By this arrangement, a very compact final drive, is thereby created, in the axial direction, characterized by a favorable efficiency and ease of service.
Claims18
A final drive for propelling a vehicle wheel, the drive comprising:
- a vehicle wheel with a rim (12) defining a wheel rotational axis;
- a drive motor (1) having a rotational drive axis offset with respect to the wheel rotational axis, and the drive motor (1) driving the vehicle wheel via reduction gears (3, 11);
- and
- a disk brake (15) situated within the rim (12) for braking rotation of the vehicle wheel, and the disk brake (15) being actuated by an actuation mechanism (23);
- wherein the reduction gears (3, 11) comprise first and second reduction gear sets (3, 11) which are located adjacent one another, and the disk brake (15) is located between the drive motor (1) and the first and second reduction gears (3, 11).
A final drive for propelling a vehicle wheel, the drive comprising:
- a drive motor (1) having at shaft extending along a drive axis, the shaft driving first and second reduction gear set (3, 11);
- a wheel driven by the first and second gears set (3, 11) rotates about a wheel axis, and the drive axis is offset with respect to the wheel axis;
- and
- a disk brake (15) is actuated by an actuation mechanism for braking the wheel, and the disk brake being located within a rim (12) of the wheel;
- the first and second reduction gears sets (3, 11) are located adjacent each other and the disk brake (15) is placed between the drive motor (1) and the first and second reduction gears (3, 11).
A final drive for propelling a vehicle wheel, the drive comprising:
- a vehicle wheel with a rim (12) defining a wheel rotational axis;
- a drive motor (1) having a rotational drive axis offset with respect to the wheel rotational axis, and the drive motor (1) driving the vehicle wheel via reduction gears (3, 11);
- a disk brake (15) located within the rim (12) for braking rotation of the vehicle wheel, the disk brake (15) defining a brake plane extending normal to the wheel rotational axis, and the disk brake (15) being actuated by an actuation mechanism (23);
- wherein the reduction gears (3, 11) comprises first and second reduction gear sets (3, 11), and the drive motor (1) is located on one side of the brake plane while the first and second reduction gear sets (3, 11) are located on an opposite side of the brake plane.
Dependencies are inferred from the claim text.