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. 17, 2017
Filed:
May. 05, 2015
Applicant:
Metropolitan Industries, Inc., Romeoville, IL (US);
Inventors:
John R. Kochan, Jr., Naperville, IL (US);
John Brian Dempster, Floyds Knobs, IN (US);
James A. Nimmer, Minooka, IL (US);
Assignee:
METROPOLITAN INDUSTRIES, INC., Romeoville, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K 29/08 (2006.01); G01D 5/14 (2006.01); H02P 6/16 (2016.01); G01D 5/245 (2006.01);
U.S. Cl.
CPC ...
G01D 5/147 (2013.01); G01D 5/245 (2013.01); H02P 6/16 (2013.01);
Abstract
Systems and methods of synchronously switching electrical phases of a permanent magnet synchronous motor are provided. Some embodiments can include switching the phase of the motor by employing an encoder that includes a tone wheel affixed to a rotor such that the tone wheel redirects a magnetic field away from Hall effect sensors in a timed manner.