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. 29, 2018
Filed:
Jul. 02, 2014
Haier Group Corporation, Shandong, CN;
Qingdao Haier Washing Machine Co., Ltd., Shandong, CN;
Sheng Xu, Shandong, CN;
Chunfeng Lao, Shandong, CN;
Xiuwen Peng, Shandong, CN;
Liang Sun, Shandong, CN;
Shilong Hao, Shandong, CN;
Yimin Li, Shandong, CN;
Haier Group Corporation, Shandong, CN;
Qingdao Haier Washing Machine Co., Ltd., Shandong, CN;
Abstract
A water-saving washing machine and a control method are provided. The washing machine includes a washing drum and an outer drum, where a circulating pipeline is arranged between an outer drum drainage outlet and an outer drum water inlet, a drainage pump and a main filter are arranged on the circulating pipeline, a pre-filter is further arranged on the circulating pipeline, the pre-filter is located between the drainage pump and the main filter, and a compactness of a filter screen of the pre-filter is lower than that of a filter screen of the main filter.