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. 31, 2022
Filed:
Oct. 15, 2018
Shenzhen Angel Drinking Water Industrial Group Corporation, Guangdong, CN;
SHENZHEN ANGEL DRINKING WATER INDUSTRIAL GROUP CORPORATION, Guangdong, CN;
Abstract
A full-effective reverse osmosis membrane element and a water purification machine are provided. The reverse osmosis membrane element includes a reverse osmosis membrane () and a central tube () provided with several water-inlet holes (). The reverse osmosis membrane () is wound around the central tube () and covers each water-inlet hole () and forms a raw water flow channel. Two sides of the reverse osmosis membrane () are sealed by first and second water division bands () (). The first water division band () and the central tube () form a first concentrated water-outlet (). The first water division band () and the reverse osmosis membrane () form a second concentrated water-outlet (). The second water division band () and the reverse osmosis membrane () form a first raw water-inlet (). The second water division band () and the central tube () form a second raw water-inlet ().