Temperature controlled railway car

US6941875B2 · kind B2 · utility

Assignee

• TRN Business Trust · US

Inventors

• Allen E. Norton · Arlington, US
• Stephen W. Smith · Dallas, US
• Alex Hoover · Dallas, US
• Albert A. Beers · Duncanville, US
• Robert J. Barry · Arlington, US
• Gary W. Kirk, Jr. · Piedmont, US
• Joseph Seiter · Raleigh, US

Key dates

• Filing date: Apr 28, 2003
• Grant date: Sep 13, 2005
• Expiry date: Apr 28, 2023

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B61D27/0027
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A composite box structure assembled on and securely attached to a railway car underframe to form a temperature controlled railway car or on insulated boxcar. The composite box structure defined in part by an exterior metal surface, interior side stakes and at least one layer of fiber reinforced plastic attached to the side stakes. Foam insulation may be disposed between the side stakes, the exterior metal surface and the at least one layer of fiber reinforced plastic. The foam insulation provides improved resistance to heat transfer between the interior and the exterior of the composite box structure. An airflow management system may be incorporated into the composite box structure.