The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 02, 2010
Filed:
Oct. 04, 2004
Wolfram Hoehne, Hamburg, DE;
Alfred Lohmann, Siegen, DE;
Jani Dede, Siegen, DE;
Mario Rettig, Netphen, DE;
Johannes Stephanides, Vienna, AT;
Wolfram Hoehne, Hamburg, DE;
Alfred Lohmann, Siegen, DE;
Jani Dede, Siegen, DE;
Mario Rettig, Netphen, DE;
Johannes Stephanides, Vienna, AT;
Bombardier Transportation GmbH, Berlin, DE;
Abstract
Wheels for goods wagons with small and large diameters, in addition to wheel sets equipped with wheels of this type for running gear, which are dependent on a highly passive radial positioning when negotiating curves and must remain stable at high speed. The inventive wheel profile is characterized as a result of the relatively large entry radius into the transition area from the running surface to the wheel flange by a low equivalent conicity. This enables a quieter running of the wheel set when the latter is travelling in a straight line. In curves, there is a sufficient rolling circle differential, permitting less wear and tear.