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.

Date of Patent:
Apr. 11, 2017

Filed:

Feb. 12, 2014
Applicant:

Caterpillar Inc., Peoria, IL (US);

Inventors:

Timothy M. O'Donnell, Germantown Hills, IL (US);

Wesley C. Reetz, Washington, IL (US);

Eric M. Andris, Dunlap, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60L 1/00 (2006.01); B60L 11/08 (2006.01);
U.S. Cl.
CPC ...
B60L 1/006 (2013.01); B60L 11/08 (2013.01); B60L 2200/40 (2013.01); Y02T 10/70 (2013.01); Y02T 10/7077 (2013.01);
Abstract

An electrical power supply system for a machine is provided. The electrical power supply system includes a generator, a primary power converter unit and an auxiliary power converter unit. The primary power converter unit is electrically coupled to the generator. The primary power converter unit includes a rectifier connected to the generator and an inverter electrically connected to the rectifier by a Direct current (DC) link. Further, the auxiliary power converter unit is electrically connected to the DC bus within the primary power converter unit.


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