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:
Jan. 23, 2024
Filed:
Jul. 05, 2022
Qingdao Haier Laundry Electric Appliances Co., Ltd., Shandong, CN;
Haier Smart Home Co., Ltd., Shandong, CN;
QINGDAO HAIER LAUNDRY ELECTRIC APPLIANCES CO., LTD., Shandong, CN;
HAIER SMART HOME CO., LTD., Shandong, CN;
Abstract
A detergent additive box includes a closed box body having a cavity inside, wherein a liquid outlet and a unidirectional ventilation structure and a liquid outlet device are formed in the box body, the liquid outlet communicates with a draining pipeline of a washing machine to drain a detergent additive into a washing cavity of the washing machine; the unidirectional ventilation structure balances air pressures inside and outside the detergent additive box; and the liquid outlet device is arranged at the liquid outlet. The detergent additive is stored in the cavity of the box body, and the detergent additive enters the draining pipeline of the washing machine from the detergent additive box through the liquid outlet device. Air in the detergent additive box is circulated unidirectionally to balance the air pressure in the detergent additive box.