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:
Jan. 27, 2015
Filed:
Feb. 21, 2012
Applicants:
Andrew Colin Tarnow, Cambridge Springs, PA (US);
Adam Carr Bennett, Erie, PA (US);
Edward Michael Murphy, Erie, PA (US);
Inventors:
Andrew Colin Tarnow, Cambridge Springs, PA (US);
Adam Carr Bennett, Erie, PA (US);
Edward Michael Murphy, Erie, PA (US);
Assignee:
Railpower, LLC, Nicholasville, KY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 9/04 (2006.01); B61C 7/04 (2006.01); H02H 9/08 (2006.01);
U.S. Cl.
CPC ...
H02H 9/08 (2013.01);
Abstract
A ground tether circuit is provided for a power circuit that includes a power source, at least one load and at least one rectifier. The ground tether circuit includes an adjustable voltage converter connected to the rectifier. The adjustable voltage converter includes a positive power switch, a negative power switch, an inductor, a current sensing device and a controller.