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:
Dec. 02, 2008
Filed:
Sep. 27, 2005
Kuo-lun Tung, Jhongli, TW;
Yu-ling LI, Jhongli, TW;
Ming-yang LU, Taoyuan County, TW;
Juin-yih Lai, Taoyuan County, TW;
Kuo-Lun Tung, Jhongli, TW;
Yu-Ling Li, Jhongli, TW;
Ming-Yang Lu, Taoyuan County, TW;
Juin-Yih Lai, Taoyuan County, TW;
Chung Yuan Christian University, Taoyuan County, TW;
Abstract
The present invention discloses a feed spacer, comprising a first layer and a second layer, for spiral-wound membrane module. The first layer consists of a plurality of first filaments, which are substantially in parallel to one another. Furthermore, the second layer also consists of a plurality of second filaments, which are substantially in parallel to one another. Moreover, the first layer is attached to the second layer, and the first filaments are disposed at an angle to the second filaments. Both the first layer and the second layer bend to the center of the spiral-wound. Additionally, the distance from the inside of the first layer to the center is bigger than that from the inside of the second layer to the center, and the diameter of the first filament is smaller than that of the second filament.