Regenerative drive system
AssigneeKNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
InventorJohann Baumgartner
Life of this patent
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Abstract
A regenerative drive system for generating a rotary movement, which is in the form of a direct hub drive and includes an electric machine that works on the piezoelectric principle, more particularly in the form of a swash plate motor is provided. The drive system can be fitted in vehicles such as box trucks, truck tractors and trailer vehicles.
Claims63
A drive apparatus with recuperation capability for generating a rotational movement for a vehicle, comprising:
- a hub direct drive, wherein
- the hub direct drive comprises an electric machine which operates in accordance with a piezoelectric operating principle,
- the drive apparatus has at least three actuators which operate in accordance with the piezoelectric operating principle and which are arranged with a 120° pitch on an effective diameter DW, and
- the at least three actuators have in each case one housing.
The drive apparatus as claimed in 11, wherein
- the drive apparatus has a seal which surrounds the head part and Which is fastened to the actuator housing.
The drive apparatus as claimed in 22, wherein
- the actuators of the second group act directly, and the actuators of the first group act indirectly, on a head part of the central bolt.
The drive apparatus as claimed in 34, wherein the drive apparatus has a pivot bearing between the swash plate and the drive disk.
The drive apparatus as claimed in 1, wherein the drive apparatus has a disconnect switching function.
Dependencies are inferred from the claim text.