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. 28, 2022
Filed:
Aug. 30, 2018
Gree Electric Appliances (Wuhan) Co., Ltd, Wuhan, CN;
Gree Electric Appliances, Inc. of Zhuhai, Zhuhai, CN;
Xiaobin Fang, Zhuhai, CN;
Yuhai Su, Zhuhai, CN;
Xiaolin He, Zhuhai, CN;
Fengtao Sun, Zhuhai, CN;
Tao Liu, Zhuhai, CN;
Gree Electric Appliances (Wuhan) Co., Ltd., Hubei, CN;
Gree Electric Appliances, Inc. of Zhuhai, Guangdong, CN;
Abstract
Embodiments of the present disclosure provide a method for controlling a fan, a system, and an air conditioner. The method includes: turning off a first bridge arm group in an inverter of the fan; applying a preset driving signal to a second bridge arm group in the inverter; detecting an electrical signal of a stator of the fan after the preset driving signal is applied; determining an initial state of the fan according to the electrical signal of the stator of the fan, wherein the initial state of the fan includes a downwind forward state, a static start state, or an unwind reverse state; and providing the fan with a control signal matching the initial state of the fan according to the initial state of the fan.