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:
Oct. 30, 2001
Filed:
Apr. 26, 2000
Applicant:
Inventors:
Frank Wegner Donnelly, North Vancouver, CA;
Gerard Henry Koldyk, North Vancouver, CA;
Assignee:
Railpower Technologies Corp., Vancouver, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61C 5/00 ;
U.S. Cl.
CPC ...
B61C 5/00 ;
Abstract
Prior battery-powered electric locomotives have used multiple diesel engines to charge the batteries and have not been commercially accepted. The present invention provides a yard switcher which combines battery storage with a gas microturbine generator to provide an effective fuel-efficient and environmentally friendly locomotive. locomotive.