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.:

US 8646391 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 11, 2014

Filed:

Jan. 19, 2011
Applicants:

Wolfgang Schmidt, Schwalbach / Ts., DE;

Dieter Fastnacht, Bad Oeynhausen, DE;

Alfred Krumpf, Murnau, DE;

Juergen Kupies, Duisburg, DE;

Kasper Schroeder-bodenstein, Duesseldorf, DE;

Maik Scholz, Sangerhausen / Grillenberg, DE;

Inventors:

Wolfgang Schmidt, Schwalbach / Ts., DE;

Dieter Fastnacht, Bad Oeynhausen, DE;

Alfred Krumpf, Murnau, DE;

Juergen Kupies, Duisburg, DE;

Kasper Schroeder-Bodenstein, Duesseldorf, DE;

Maik Scholz, Sangerhausen / Grillenberg, DE;

Assignees:

DB Fernverkehr AG, Framkfurt am Main, DE;

Siemens Aktiengesellschaft, Munich, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60D 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention relates to a rail vehicle for driving operation on track systems with ballast permanent way. The invention is to effectively avoid or at least significantly reduce an agglomeration of snow and ice in cavities of the vehicle underfloor. For this purpose it is provided that the rail vehicle in the region of its underfloor comprises at least one flexible membrane which spans hollow spaces which are positioned open towards the track systems or support frame structures of the underfloor of the rail vehicle.


Find Patent Forward Citations

Schmidt, Wolfgang. (2014). Rail vehicle for a driving operation on track systems having a ballasted superstructure (U.S. Patent No. 8646391). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8646391

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