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:
Sep. 26, 2017
Filed:
Sep. 13, 2012
Applicants:
Ryuta Sasaki, Osaka, JP;
Yasuyuki Yokouchi, Osaka, JP;
Yasushi Kato, Kyoto, JP;
Toru Tazawa, Osaka, JP;
Inventors:
Ryuta Sasaki, Osaka, JP;
Yasuyuki Yokouchi, Osaka, JP;
Yasushi Kato, Kyoto, JP;
Toru Tazawa, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 27/00 (2006.01); F04D 25/08 (2006.01); H02P 6/06 (2006.01); F24F 11/00 (2006.01); F04D 25/06 (2006.01); F24F 7/007 (2006.01); H02P 23/14 (2006.01); F24F 11/04 (2006.01);
U.S. Cl.
CPC ...
F04D 27/004 (2013.01); F04D 25/06 (2013.01); F24F 7/007 (2013.01); F24F 11/001 (2013.01); F24F 11/0001 (2013.01); F24F 11/0079 (2013.01); F24F 11/04 (2013.01); H02P 6/06 (2013.01); H02P 23/14 (2013.01); F04D 25/08 (2013.01); F04D 27/00 (2013.01); F05D 2200/12 (2013.01); F05D 2200/14 (2013.01); F05D 2270/02 (2013.01); F05D 2270/3061 (2013.01); Y02B 30/746 (2013.01);
Abstract
A motor controller of the present invention comprises units which obtain information indicative of a motor speed (ω) and information indicative of motor torque (T), an air flow calculation section which calculates an air flow (Q) of a fan based on the motor speed (ω) and the motor torque (T); and a speed command generation section which generates a speed command (ω*) of a motor such that the air flow (Q) coincides with the predetermined air flow command (Q*).