US 12,381,438 B2
Electric motor and rail vehicle
Christoph Adam, Nuremberg (DE); and Peter Seitz, Pommelsbrunn (DE)
Assigned to Siemens Mobility GmbH, Munich (DE)
Appl. No. 17/615,246
Filed by Siemens Mobility GmbH, Munich (DE)
PCT Filed May 13, 2020, PCT No. PCT/EP2020/063254
§ 371(c)(1), (2) Date Nov. 30, 2021,
PCT Pub. No. WO2020/239439, PCT Pub. Date Dec. 3, 2020.
Claims priority of application No. 10 2019 208 001.4 (DE), filed on May 31, 2019.
Prior Publication US 2022/0239188 A1, Jul. 28, 2022
Int. Cl. H02K 5/15 (2006.01); B60L 50/51 (2019.01); B61C 3/00 (2006.01); H02K 7/00 (2006.01); H02K 7/102 (2006.01); H02K 9/19 (2006.01); H02K 11/21 (2016.01); H02K 11/33 (2016.01)
CPC H02K 5/15 (2013.01) [B60L 50/51 (2019.02); B61C 3/00 (2013.01); H02K 7/006 (2013.01); H02K 7/102 (2013.01); H02K 9/19 (2013.01); H02K 11/21 (2016.01); H02K 11/33 (2016.01); B60L 2200/26 (2013.01); B60L 2240/421 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An electric motor for a rail vehicle, the electric motor comprising:
a housing;
an end shield forming an end wall of said housing and delimiting said housing to the outside;
a rotor shaft;
a coupling connecting said rotor shaft to a wheelset shaft or a gear shaft of the rail vehicle and having a motor-side part connected to said rotor shaft;
said motor-side part of the coupling being configured to rotate with the rotor shaft;
a rotational speed sensor mounted on an outer side to said end shield; and
a sensor wheel for said rotational speed sensor, said sensor wheel being mounted on said motor-side part of said coupling.