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US 11,845,477 B2Granted
Bogie of a rail vehicle
AssigneesSiemens Mobility GmbH, Siemens Mobility Austria GmbH
InventorsChristian Kueter, Andreas Schaefer-Enkeler, Martin Teichmann, Christoph Adam, Olaf Koerner, Peter Seitz
Life of this patent
Estimating the term…
Abstract
A bogie of a rail vehicle has at least one wheelset with two oppositely situated wheels that are rigidly connected to one another, a wheelset bearing arrangement of the wheelset within the two wheels, a traction motor which directly drives the wheelset, and an aerodynamic paneling enclosure of the bogie. The traction motor is a permanently excited synchronous motor with liquid cooling.
Claims7
A bogie of a rail vehicle, the bogie comprising:
- at least one wheelset with two opposing, rigidly interconnected wheels;
- a wheelset bearing of said at least one wheelset within said two wheels;
- a traction motor configured to drive said wheelset directly, said traction motor being a permanently excited synchronous motor with liquid cooling;
- said liquid cooling being effected by a liquid cooling jacket, and said traction motor having a closed internal cooling circuit to be recooled at said liquid cooling jacket;
- and
- an aerodynamic enclosure of the bogie, said enclosure being a full enclosure formed of shell-shaped enclosure elements on an underside, side regions, a front region and a rear region of the bogie, and said enclosure element on the underside being formed with recesses for said wheels of said wheelset.
3 more elements
Dependencies are inferred from the claim text.