US 12,065,202 B2
Electromechanical rack and pinion steering system for a motor vehicle and method for producing such a rack and pinion steering system
Eduard Span, Cologne (DE); and Frank Jaehde, Cologne (DE)
Assigned to ZF Automotive Germany GMBH, Alfdorf (DE)
Filed by ZF Automotive Germany GmbH, Alfdorf (DE)
Filed on Mar. 2, 2022, as Appl. No. 17/684,530.
Claims priority of application No. 102021201985.4 (DE), filed on Mar. 2, 2021.
Prior Publication US 2022/0281514 A1, Sep. 8, 2022
Int. Cl. B62D 5/04 (2006.01); B62D 3/12 (2006.01)
CPC B62D 5/0421 (2013.01) [B62D 3/12 (2013.01); B62D 5/0442 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An electromechanical rack and pinion steering system for a motor vehicle, comprising an input shaft connected to a pinion shaft, wherein a torsion bar is arranged between the input shaft and the pinion shaft and is directly connected to the input shaft, and the pinion shaft has a steering pinion section for interacting with a rack, and with an electric motor for driving the pinion shaft, wherein the electric motor is connected to the pinion shaft by a transmission, wherein an intermediate shaft piece is arranged between the pinion shaft and the input shaft, wherein the intermediate shaft piece is connected directly to the pinion shaft and directly to the torsion bar, wherein the intermediate shaft piece has a first receptacle for connecting to the pinion shaft and wherein the first receptacle is configured as a depression like a hollow cylinder or blind hole with a first internal diameter, and an end portion of the pinion shaft is fastened in the first receptacle and/or pressed into the first receptacle.