Back to results
US 7,882,910 B2Granted
Hybrid drive for a motor vehicle
AssigneeDr. Ing. h.c.F. Porsche Aktiengesellschaft
InventorsMarc Kluge, Edmund Sander, Norbert Melinat
Life of this patent
Estimating the term…
Abstract
A hybrid drive for a motor vehicle includes an internal combustion engine and an electric motor, which, together with at least one auxiliary unit, are connected via a belt/chain drive. The internal combustion engine and the electric motor have respective drive elements with unidirectional freewheeling devices for the belt/chain drive, thus automatically achieving a predefined belt/chain speed.
Claims20
A hybrid drive for a motor vehicle, comprising:
- an internal combustion engine,
- an electric motor,
- at least one auxiliary unit, and
- a belt/chain drive by which the internal combustion engine, the electric motor, and the at least one auxiliary unit are connected together in a drive relationship,
- wherein the internal combustion engine and the electric motor each have respective drive elements with unidirectional freewheeling devices for the belt/chain drive and wherein the hybrid drive further comprises a control unit that is designed for controlling the freewheeling device at the drive element of the electric motor and the freewheeling device at the drive element of the internal combustion engine for selectively discontinuing transmission of a driving force to the internal combustion engine or the electric motor.
2 more elements
Dependencies are inferred from the claim text.