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:
Sep. 06, 2022
Filed:
Apr. 17, 2018
Chongqing Haier Drum Washing Machine Co., Ltd., Chongqing, CN;
Haier Smart Home Co., Ltd., Shandong, CN;
CHONGQING HAIER DRUM WASHING MACHINE CO., LTD., Chongqing, CN;
HAIER SMART HOME CO., LTD., Shandong, CN;
Abstract
An automatic delivery system for a washing machine, and a washing machine, are provided. The automatic delivery system comprises: a water box provided with a main water inlet pipeline and a detergent delivery pipeline; a distribution box arranged inside the water box and provided with at least one installation cavity for accommodating a washing additive box; the washing additive box being installed in the installation cavity, and being provided with an unidirectional ventilation structure and a liquid outlet, and a negative pressure extraction mechanism, the negative pressure extraction mechanism comprising a Venturi tube arranged in the main water inlet pipeline, the washing additive being drawn out of the washing additive box and delivered into the washing barrel by a negative pressure generated by water flow through an outlet of the Venturi tube.