US 12,467,827 B2
Test stand for the powertrain of a motor vehicle
Christian Hell, Untergriesbach (DE); and Thomas Dollinger, Passau (DE)
Assigned to ZF Friedrichshafen AG, Friedrichshafen (DE)
Appl. No. 18/552,069
Filed by ZF Friedrichshafen AG, Friedrichshafen (DE)
PCT Filed Mar. 18, 2022, PCT No. PCT/EP2022/057182
§ 371(c)(1), (2) Date Sep. 22, 2023,
PCT Pub. No. WO2022/200216, PCT Pub. Date Sep. 29, 2022.
Claims priority of application No. 10 2021 202 818.7 (DE), filed on Mar. 23, 2021.
Prior Publication US 2024/0175782 A1, May 30, 2024
Int. Cl. G01M 15/02 (2006.01)
CPC G01M 15/02 (2013.01) 17 Claims
OG exemplary drawing
 
1. A test stand for a powertrain of a motor vehicle, the test stand comprising:
at least one loading motor with a motor housing and a motor shaft;
at least one load sensor;
at least one positioning module, wherein the motor shaft is configured to be drivingly connected to a hub of the motor vehicle and wherein the load sensor is configured to detect a load transmitted from the motor shaft to the hub;
wherein:
an axial side of the motor housing facing toward the hub and the at least one positioning module are configured to be connected rotationally fixed to one another;
the motor shaft is in the form of a hollow shaft;
a shaft inserted through the hollow shaft is configured to be connected rotationally fixed directly or indirectly to the hub;
the load sensor is arranged on an axial side of the motor housing facing away from the hub; and
the hollow shaft can be drivingly connected to the shaft by way of the load sensor.