Regenerative drive system
First Claim
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1. A drive apparatus with recuperation capability for generating a rotational movement for a vehicle, comprising:
- a hub direct drive, whereinthe 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, andthe at least three actuators have in each case one housing.
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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.
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Citations
63 Claims
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1. A drive apparatus with recuperation capability for generating a rotational movement for a vehicle, comprising:
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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, andthe at least three actuators have in each case one housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 57, 58, 59, 60, 61, 62, 63)
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13. 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.
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23. 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.
- 37. The drive apparatus as claimed in 34, wherein the drive apparatus has a pivot bearing between the swash plate and the drive disk.
- 55. The drive apparatus as claimed in 1, wherein the drive apparatus has a disconnect switching function.
Specification