The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 19, 2015
Filed:
Sep. 30, 2011
Bernd Hartmann, Weisendorf, DE;
Hermann Stief, Emskirchen, DE;
Bernd Hartmann, Weisendorf, DE;
Hermann Stief, Emskirchen, DE;
Schaeffler Technologies AG & Co. KG, Herzogenaurach, DE;
Abstract
A secondary assembly drive of an internal combustion engine and a method for operating same are provided. The secondary assembly drive includes: a first drive wheel () which can be rotatably connected to a crank shaft (CR) of the internal combustion engine, an electric machine which can be operated either as a generator (AL) of as a motor (M) and a second drive wheel () which can be rotatably connected to the electric machine (AL, M), an air-conditioning compressor (A/C) and a third drive wheel () which can be rotatably connected to the air-conditioning compressor, a traction element () which rotates infinitely and which wraps around the drive wheels, and an actuable clutch () for disconnecting the drive of the electric machine and of the air-conditioning compressor from the crankshaft when necessary. In addition, the air-conditioning compressor is designed for operation in both rotational directions, and a reversal of the rotational direction between the generator operating mode and the motor operating mode of the electric machine is provided.