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:
Nov. 10, 2015
Filed:
Nov. 29, 2013
Shenzhen China Star Optoelectronics Technology Co., Ltd., Shenzhen, Guangdong, CN;
Jie Sun, Guangdong, CN;
Shenzhen China Star Optoelectronics Technology Co., Ltd, Shenzhen, Guangdong, CN;
Abstract
A filter includes an enclosure () and a filter core () mounted inside the enclosure (). The filter core () includes a support () and a filtering element () entangled with the support (). The enclosure () is of a spherical form and includes: a main body (), an inlet passage () mounted to an upper portion of the main body (), an outlet passage () mounted to a lower portion of the main body (), and a ventilation tube () mounted to a top of the main body (). The filtering element () is set in a spherically-shaped spiral so that the filter core () has reduced filtering areas at a top and a bottom ends thereof and an enlarged filtering area at a middle portion.