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. 20, 2015
Filed:
Oct. 11, 2012
Applicant:
Hamilton Sundstrand Corporation, Windsor Locks, CT (US);
Inventor:
Vietson M. Nguyen, Rockford, IL (US);
Assignee:
Hamilton Sundstrand Corporation, Windsor Locks, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/44 (2007.01); H02M 7/219 (2006.01); H04B 3/00 (2006.01); H02M 1/12 (2006.01);
U.S. Cl.
CPC ...
H02M 1/44 (2013.01); H02M 7/219 (2013.01); H02M 1/126 (2013.01); Y02B 70/1408 (2013.01);
Abstract
A system for filtering electromagnetic interference (EMI) includes a power source that provides alternating current (AC) power; a load; an active rectifier that converts AC power from the power source to direct current (DC) power for the load; and a filter connected between the power source and the active rectifier, wherein the filter comprises at least one notch filter that filters selected frequencies of EMI generated by the active rectifier.