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:
May. 12, 2026
Filed:
Nov. 18, 2022
Haier Ioc Ecosystem Technologies (Shanghai) Co., Ltd., Shanghai, CN;
Haier Smart Home Co., Ltd., Qingdao, CN;
Sheng Xu, Qingdao, CN;
Dongsong Sun, Qingdao, CN;
Yanfen Lv, Qingdao, CN;
Tao Zhang, Qingdao, CN;
Chuanrong MA, Qingdao, CN;
HAIER IOC ECOSYSTEM TECHNOLOGIES (SHANGHAI) CO.. LTD., Shanghai, CN;
HAIER SMART HOME CO., LTD., Qingdao, CN;
Abstract
A washing machine control method includes receiving an instruction for dispensing laundry treatment agent; controlling a switching valve to be in a preset neutral position where a valve core is not communicated with liquid inlets of a valve body; controlling the valve core of the switching valve to rotate to be communicated with a liquid inlet corresponding to a laundry treatment agent for dispensing; controlling the switching valve to rotate to be in the preset neutral position; determining whether to dispense a laundry treatment agent again; if not, controlling the switching valve to feed water for flushing. After receiving an instruction for dispensing a laundry treatment agent, the switching valve starts to run from a preset neutral position. After a laundry treatment agent is dispensed, the switching valve is again controlled to return to the preset neutral position, and then determining to receive a dispensing instruction.