- Patent Title: Actuator having two motors and cooling fan module using the same
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Application No.: US16508502Application Date: 2019-07-11
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Publication No.: US10944343B2Publication Date: 2021-03-09
- Inventor: Ruifeng Qin , Kwokkuen Tse , Tao Qu
- Applicant: Johnson Electric International AG
- Applicant Address: CH Murten
- Assignee: Johnson Electric International AG
- Current Assignee: Johnson Electric International AG
- Current Assignee Address: CH Murten
- Agency: Millman IP Inc.
- Priority: CN201810748380.5 20180711
- Main IPC: H02P5/68
- IPC: H02P5/68 ; F04D15/00 ; H02P7/29 ; H02P7/292

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.
Public/Granted literature
- US20200021211A1 ACTUATOR HAVING TWO MOTORS AND COOLING FAN MODULE USING THE SAME Public/Granted day:2020-01-16
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