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:
Jun. 23, 2020
Filed:
Sep. 26, 2014
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Keisuke Uemura, Tokyo, JP;
Kazunori Hatakeyama, Tokyo, JP;
Yosuke Shinomoto, Tokyo, JP;
Mitsuo Kashima, Tokyo, JP;
Takashi Matsumoto, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 11/21 (2016.01); H02P 3/06 (2006.01); H02P 6/18 (2016.01); F24F 11/74 (2018.01); F24F 11/89 (2018.01); F24F 11/76 (2018.01); H02P 5/74 (2006.01); F24F 1/0033 (2019.01); H02P 27/08 (2006.01);
U.S. Cl.
CPC ...
F24F 11/74 (2018.01); F24F 1/0033 (2013.01); F24F 11/76 (2018.01); F24F 11/89 (2018.01); H02P 5/74 (2013.01); H02P 27/08 (2013.01);
Abstract
The present invention includes a plurality of fan motors, first and second inverters for individually driving the fan motors, respectively, and one and a common control unit that performs a control arithmetic for each of the fan motors and generates an individual driving signal given to each of the inverters.