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:
Jul. 11, 1989
Filed:
May. 20, 1988
Victor V Kirilloff, Lincoln, NE (US);
William A Benson, Pittsburgh, PA (US);
Robert Cummins, Pittsburgh, PA (US);
Richard S Dawson, Pittsburgh, PA (US);
Mosebach Manufacturing Company, Pittsburgh, PA (US);
Abstract
A resistor grid for diesel electric locomotives and the like has a rigid frame comprising outer metal side pieces and one or more pairs of inner metal side pieces spaced from each other, and columns of resistor ribbon fan-folded between each outer and outermost inner side piece, and between certain inner side pieces. Supporting means interengaging each fold of the ribbons are insulated from and carried on each side by a metal strip which rides on its adjoining side piece so as to accommodate expansion of the resistor ribbon. The ribbon is indented between folds to stiffen it and increase its span and may by provided with a support rod centered between its side pieces. The resistor grid is preferably positioned in forced air cooled resistor banks face-to-face with conventional narrow span grids, and improves the cooling of such conventional banks.