Motor vehicles – Steering gear – With electric power assist
Reexamination Certificate
2005-10-05
2010-11-02
Morris, Lesley (Department: 3611)
Motor vehicles
Steering gear
With electric power assist
C180S443000
Reexamination Certificate
active
07823686
ABSTRACT:
The invention relates to a motor vehicle steering system comprising a differential drive, said differential drive having a carrier structure (12, 33), a drive shaft (3) with a shaft end (3a) facing the differential drive, an output unit (2) with a shaft end (2a) facing the differential drive, and an auxiliary drive comprising a stator (4) and a rotor (6). The aim of the invention is to simplify the structure of one such differential drive as much as possible. To this end, the shaft end (3a) of the drive shaft (3) carries a first toothed disk (7) which is connected to the drive shaft (3) in a rotationally fixed manner, the shaft end (2a) of the output unit (2) is connected to at least parts of the carrier structure (12, 33) in a rotationally fixed manner; the carrier structure (12, 33) carries a second toothed disk (8) which is connected thereto in a rotationally fixed manner; and the rotor (6) comprises a first cylindrical section (6a) and a second cylindrical section (6b) that is bent in relation to the first section (6a) at an angle (a). The first section (6a) faces the output unit (2) and the second section (6b) faces the drive shaft (3). A swash unit (9a, 9b) arranged on the bent second section (6b) couples the two toothed disks (7,8) together in a driving manner.
REFERENCES:
patent: 6026925 (2000-02-01), Nagao et al.
patent: 6440029 (2002-08-01), Battlogg
patent: 2003/0021702 (2003-01-01), Trousil et al.
patent: 198 23 721 (1998-05-01), None
patent: 2004-026022 (2004-01-01), None
Adams Tashiana
Crowell & Moring LLP
Morris Lesley
Thyssen-Krupp Technologies AG
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