US 12,030,532 B2
Running gear for a rail vehicle
Thomas Czerwinka, Weitendorf (AT); David Kreuzweger, Lieboch (AT); Christian Moser, Graz (AT); Alexander Prix, Graz (AT); Jochen Ringswirth, Graz (AT); Gerald Schobegger, Graz (AT); Peter Seitz, Pommelsbrunn (DE); and Martin Teichmann, Graz (AT)
Assigned to SIEMENS MOBILITY AUSTRIA GMBH, Vienna (AT)
Appl. No. 17/042,073
Filed by Siemens Mobility Austria GmbH, Vienna (AT)
PCT Filed Mar. 27, 2018, PCT No. PCT/EP2018/057720
§ 371(c)(1), (2) Date Sep. 25, 2020,
PCT Pub. No. WO2019/185119, PCT Pub. Date Oct. 3, 2019.
Prior Publication US 2021/0094591 A1, Apr. 1, 2021
Int. Cl. B61F 5/30 (2006.01); B61F 3/04 (2006.01)
CPC B61F 5/308 (2013.01) [B61F 3/04 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A running gear for a rail vehicle, comprising:
at least one first drive unit;
at least one running gear frame to which at least one wheelset is coupled via a first wheelset bearing and a second wheelset bearing, the at least first drive unit being supported by a first spring device and a second spring device on a first wheelset bearing housing or a first swing arm and by a third spring device and a fourth spring device on a second wheelset bearing housing or a second swing arm; and
a first damper device comprising a damper and, connected effectively in series thereto, a first stop buffer and, a second stop buffer, arranged in an effective parallel connection to the first spring device, the second spring device, the third spring device and the fourth spring device at least between the first wheelset bearing housing or the first swing arm, on the one hand, and the at least first drive unit, on the other;
wherein stiffnesses of the first spring device and the second spring device are greater in the direction of a longitudinal axis of a running gear than the stiffnesses in a direction of a transverse axis of the running gear and in a direction of a vertical axis of the running gear.