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:
Mar. 09, 2021
Filed:
Jul. 11, 2019
Applicant:
Johnson Electric International Ag, Murten, CH;
Inventors:
Assignee:
JOHNSON ELECTRIC INTERNATIONAL AG, Murten, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 5/68 (2006.01); F04D 15/00 (2006.01); H02P 7/29 (2016.01); H02P 7/292 (2016.01);
U.S. Cl.
CPC ...
H02P 5/68 (2013.01); F04D 15/0066 (2013.01); F04D 15/0088 (2013.01); H02P 7/29 (2013.01); H02P 7/292 (2013.01);
Abstract
An actuator for a cooling fan module includes a controller, a first motor and a second motor. The controller includes a controlling unit configured to receive control commands, and a motor driving unit electrically connected to the controlling unit and powered by a DC power supply. The first motor is electrically connected to the motor driving unit. The second motor is connected in parallel to the first motor. The first motor and the second motor are synchronously driven and controlled by the controller.