Bogie frame
AssigneeSiemens AG Osterreich
InventorsMarkus Hubmann, Radovan Seifried
Life of this patent
Estimating the term…
Abstract
A bogie frame for a rail vehicle that includes two longitudinal supports formed as open and closed hollow profiles, and at least one transverse support, wherein the hollow profile of the longitudinal support is formed by wall elements having a defined thickness, wherein in order to reduce the weight of bogie frames in comparison to conventional bogies frames and to save on production costs, the longitudinal supports, in the region at which the at least one transverse support engages, is respectively provided in a wall element with at least one area having a reduced thickness.
Claims24
A bogie frame for a rail vehicle, comprising:
- a plurality of longitudinal members constructed as open or closed hollow profiles;
- and
- at least one transverse member;
- wherein each hollow profile of the longitudinal member is formed by wall elements having a particular thickness;
- wherein, in a region at which the at least one transverse member is affixed, each of the plurality of longitudinal members includes a wall element having at least one region with a reduced thickness;
- wherein each of the plurality of longitudinal members incorporates at least one connection element which serves as a connection for the at least one transverse member and which includes at least one wall element with a region having the reduced thickness;
- wherein the connection element is constructed as a box profile having two wall elements comprising connection ridges together with a wall element comprising an upper web which joins two connection ridges and a wall element as a lower web, which also joins the two connection ridges;
- wherein the two connection ridges together with the upper web and the lower web stand orthogonally on a side of the longitudinal member facing the at least one transverse member;
- and
- wherein, in an operating position, the upper web is arranged at the top and the lower web at the bottom.
Dependencies are inferred from the claim text.