US 11,673,607 B2
Rear axle supporting frame comprising a mounting device for a drive unit
Wolfgang Viereck, Isenbüttel (DE); Wolfram Halupka, Uehrde/Warle (DE); and Bert Diedrichs, Gifhorn (DE)
Assigned to Volkswagen Aktiengesellschaft
Appl. No. 16/762,166
Filed by VOLKSWAGEN AKTIENGESELLSCHAFT, Wolfsburg (DE)
PCT Filed Oct. 29, 2018, PCT No. PCT/EP2018/079590
§ 371(c)(1), (2) Date May 7, 2020,
PCT Pub. No. WO2019/091814, PCT Pub. Date May 16, 2019.
Claims priority of application No. 10 2017 220 096 (DE), filed on Nov. 10, 2017.
Prior Publication US 2020/0353982 A1, Nov. 12, 2020
Int. Cl. B62D 21/11 (2006.01); B60K 1/00 (2006.01)
CPC B62D 21/11 (2013.01) [B60K 1/00 (2013.01); B60K 2001/001 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A rear axle subframe for fastening a drive unit of a transportation vehicle, the rear axle subframe comprising:
a first longitudinal carrier and a second longitudinal carrier oriented substantially along a transportation vehicle longitudinal axis; and
a first crossmember and a second crossmember oriented substantially along a transportation vehicle transverse axis;
wherein the first crossmember is arranged in front of the second crossmember as viewed in a driving direction,
wherein three bearing seats are provided for a three-point bearing system in which bearings of the drive unit of the drive unit are pressed, the bearing seats are arranged substantially at an identical level with regard to a transportation vehicle vertical axis on the rear axle subframe,
wherein two of the three bearing seats for supporting an electric motor of the drive unit are provided on the first crossmember and in each case one longitudinal carrier, the bearing seats being oriented along a transportation vehicle transverse axis, and
wherein a bearing seat of the three bearing seats for supporting a transmission of the drive unit is provided on a second crossmember, the bearing seat is oriented along a transportation vehicle longitudinal axis.