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. 21, 2020
Filed:
Jun. 04, 2018
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Xuemei Sun, Canton, MI (US);
Jami J. Miller, Canton, MI (US);
Christopher Wolf, Ann Arbor, MI (US);
Liqun Na, Northville, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60L 15/20 (2006.01); H02P 27/08 (2006.01); B60L 15/02 (2006.01); B60L 50/16 (2019.01); H02M 7/5387 (2007.01);
U.S. Cl.
CPC ...
B60L 15/20 (2013.01); B60L 15/02 (2013.01); B60L 50/16 (2019.02); H02P 27/085 (2013.01); B60L 2210/40 (2013.01); B60L 2240/421 (2013.01); H02M 7/53875 (2013.01);
Abstract
A vehicle includes a traction motor having resonance frequency zones, an inverter including switches arranged to drive the traction motor, and a controller. The controller operates the switches only within specified sets of carrier frequencies such that noise side bands corresponding to the carrier frequencies fall outside the resonance frequency zones.