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:
Aug. 07, 2012
Filed:
Apr. 19, 2007
Applicants:
Andrew C. Tarnow, Cambridge Springs, PA (US);
Frank Wegner Donnelly, North Vancouver, CA;
Ronald B. Bailey, North East, PA (US);
Kris Redinger, Erie, PA (US);
Inventors:
Andrew C. Tarnow, Cambridge Springs, PA (US);
Frank Wegner Donnelly, North Vancouver, CA;
Ronald B. Bailey, North East, PA (US);
Kris Redinger, Erie, PA (US);
Assignee:
Railpower, LLC, Nicholasville, KY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods of dynamic braking include two embodiments with braking circuits for vehicles such as, for example, locomotives which are operable down to very low speeds. These circuits can provide a braking force even at zero locomotive speed.