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:
Jul. 23, 2019
Filed:
Nov. 18, 2014
Qingdao Haier Washing Machine Co., Ltd., Laoshan, Qingdao, CN;
Peishi LV, Qingdao, CN;
Lin Yang, Qingdao, CN;
Zunan Liu, Qingdao, CN;
Lingchen Wang, Qingdao, CN;
Yunlong Tian, Qingdao, CN;
Yanni Jiang, Qingdao, CN;
Weihai Li, Qingdao, CN;
QINGDAO HAIER WASHING MACHINE CO., LTD., Shandong, Qingdao, CN;
Abstract
A washing machine has cleaning particles provided between an outer barrel and an inner barrel. A water outlet on the outer barrel communicates with a drainage device including a drain valve body having a particle receiving and discharging chamber and a drainage chamber. The particle collecting and discharging chamber has a water inlet. The drainage chamber has a water outlet. A particle filtering structure is provided between the particle receiving and discharging chamber and the drainage chamber. One side of the particle collecting and discharging chamber has an opening with a sealing cover including an outer cover and an insertion portion inserted through the opening, and fitting the edge wall of the particle receiving and discharging chamber. An inner wall of the insertion portion has a plurality of protrusions for supporting the cleaning particles. Gaps between the protrusions are smaller than a minimum diameter of the cleaning particles.