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US 6,281,646 B1Granted
Drive system with drive-motor, electric machine and battery
AssigneesISAD Electronic Systems GmbH & Co. KG, Grundl und Hoffmann GmbH
InventorsUllrich Masberg, Thomas Pels, Klaus-Peter Zeyen, Andreas Gründl, Bernhard Hoffmann
Life of this patent
Estimating the term…
Abstract
The invention concerns a drive system with a drive motor (1), especially the internal combustion engine of a motor vehicle, an electric machine (4), which provides additional driving action, and at least one short-duty battery (11), which furnishes at least some of the energy required during the driving action of the electric machine (4).
Claims37
Drive system with
- an internal combustion engine (1) serving as a drive motor,
- an inverter-controlled rotary-current electric machine (4), which furnishes additional driving action,
- an inverter (14) with an intermediate circuit at a voltage level higher than a low-voltage network,
- at least one short-duty battery (11), which lies at the elevated voltage level of the intermediate circuit and which furnishes at least part of the energy required during the driving action of the electric machine (4).
1 more element
Dependencies are inferred from the claim text.