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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.:

US 12692642 B1

PDFFull Text
Date of Patent:
Jul. 28, 2026

Filed:

Dec. 09, 2021

Nozzle structure, delivery apparatus and washing machine and additive delivery method

Applicants:

Qingdao Haier Drum Washing Machine Co., Ltd., Shandong, CN;

Haier Smart Home Co., Ltd., Shandong, CN;

Inventors:

Tao Huang, Shandong, CN;

Xuefeng Geng, Shandong, CN;

Baozhen Cheng, Shandong, CN;

Huacheng Zhang, Shandong, CN;

Assignees:

QINGDAO HAIER DRUM WASHING MACHINE CO., LTD., Qingdao, CN;

HAIER SMART HOME CO., LTD., Qingdao, CN;

Attorney:

Buchanan Ingersoll & Rooney PC

Primary Examiner:

Cristi J Tate-Sims

Int. Cl.
CPC ...
D06F 39/02 (2006.01); D06F 33/37 (2020.01); D06F 33/46 (2020.01); D06F 105/02 (2020.01); D06F 105/42 (2020.01); D06F 105/48 (2020.01);
U.S. Cl.
CPC ...
D06F 39/022 (2013.01); D06F 33/37 (2020.02); D06F 33/46 (2020.02); D06F 2105/02 (2020.02); D06F 2105/42 (2020.02); D06F 2105/48 (2020.02);
Abstract

A nozzle structure including a spray pipe, including an outlet end provided with a spray head formed with a spray outlet. The spray head is provided with a spray cavity and a flow channel, the spray cavity is connected with the spray outlet, the flow channel guides water inside the spray pipe to the spray cavity, the flow channel is connected with the spray cavity through a connecting flow channel, and the connecting flow channel extends along a tangential direction of the spray cavity. A method for delivering additives to a washing machine is further provided, wherein after inlet water flow is mixed with delivered additives in a water supply path, a mixture is directly sprayed into a rotating washing drum.

Find Patent Forward Citations

Huang, Tao. (2026). Nozzle structure, delivery apparatus and washing machine and additive delivery method (U.S. Patent No. 12692642). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12692642

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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