Patent Number: 6,251,037

Title: Hybrid drive for vehicles and the like

Abstract: A hybrid drive, in particular for vehicles has a variable-ratio gear unit with a branch which can be driven by a primary motor. The gear unit is also connected in a rotationally rigid manner to a rotatable part of a first electric machine. A branch of the gear unit is connected in a rotationally rigid manner to a rotatable rotor of a second electric machine. Another branch connected in a rotationally rigid manner to an output shaft and to which the likewise rotatably arranged other machine component of the first electric machine is connected in a rotationally rigid manner. The rotor of the second machine can be fixed or released for rotation by a brake.

Inventors: Baumgaertner; Walter (Fellbach, DE), Meier; Klaus (Leutenbach, DE), Rennefeld; Alfons (Stuttgart, DE), Seiler; Jakob (Stuttgart, DE)

Assignee: DaimlerChrysler AG

International Classification: B60K 6/04 (20060101); B60K 6/00 (20060101); F16H 3/72 (20060101); F16H 3/44 (20060101); F16H 003/72 (); F16H 037/06 ()

Expiration Date: 06/26/2018