초록 ▼

The invention relates to an electrical individual wheel drive having several electromotors (1) whose input power is combined by a spur gear assembly (2) and one rear-mounted planetary gear (3) which adapts the input torque and the wheel speed. The wheel bearings (4) are mounted axially between the e

The invention relates to an electrical individual wheel drive having several electromotors (1) whose input power is combined by a spur gear assembly (2) and one rear-mounted planetary gear (3) which adapts the input torque and the wheel speed. The wheel bearings (4) are mounted axially between the electromotors (1) and planetary gear (3). One brake (7) is a pneumatically or hydraulically actuated disc brake and acts as service, parking, emergency and auxiliary brake.

대표청구항 ▼

The invention relates to an electrical individual wheel drive having several electromotors (1) whose input power is combined by a spur gear assembly (2) and one rear-mounted planetary gear (3) which adapts the input torque and the wheel speed. The wheel bearings (4) are mounted axially between the e

The invention relates to an electrical individual wheel drive having several electromotors (1) whose input power is combined by a spur gear assembly (2) and one rear-mounted planetary gear (3) which adapts the input torque and the wheel speed. The wheel bearings (4) are mounted axially between the electromotors (1) and planetary gear (3). One brake (7) is a pneumatically or hydraulically actuated disc brake and acts as service, parking, emergency and auxiliary brake. pported by a stationary structure of the wheel drive, and the ring gear being coupled to the single wheel hub (5) to supply driving power thereto; at least one wheel hub bearing (4) for supporting the single wheel hub (5) and facilitating rotation of the single wheel hub (5); at least one brake (7) coupled to the single wheel hub (5) for stopping rotation of the single wheel hub (5); a plurality of electric motors (1) for supplying driving power to only the single wheel hub (5) via the planetary gear (3); a spur gear assembly (2) for receiving driving power from each of the plurality of electric motors (1) and for supplying a combined driving output, from each of the plurality of electric motors (1), as a single input to the single planetary gear (3) to drive only the single wheel hub (5), each of the plurality of electric motors (1) having a rotational axis, and the rotational axises of each of the plurality of electric motors (1) being off-set from a rotational axis of the spur gear assembly (2); and the plurality of electric motors (1), the spur gear assembly (2) and the single planetary gear (3) all being housed within the wheel hub (5) of the electrical wheel drive. 6. The electrical drive according to claim 5, wherein the brake (17) operates as at least one of a service brake, a parking brake, an emergency brake and an auxiliary brake. 7. The electrical individual wheel drive according to claim 5, wherein the brake (7) has a brake actuator (9) formed by two separate hydraulic cylinders, and a spring-loaded piston actuates a parking brake and a pressure-loaded piston actuates a service brake. 8. The electrical wheel drive according to claim 5, wherein each of the plurality of electric motors (1) is separately regulated. 9. The electric wheel drive according to claim 5, wherein at least one of the plurality of electric motors (1) is cooled by a source of one of air, water and oil. 10. The electrical wheel drive according to claim 5, wherein the planet gears rotate to transfer drive from the sun gear to the ring gear while the planet carrier is fixed to the stationary structure of the wheel drive and remains stationary during operation of the planetary gear (3). 11. The electrical wheel drive according to claim 5, wherein the ring gear (15) which is directly coupled to the single wheel hub (5) and rotation of the ring gear (15) supplies driving output power to the wheel hub (5). 12. The electrical wheel drive according to claim 5, wherein the single wheel hub (5) supports two rims (6) and each of the two rims (6) supports a tire thereon.