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:
Oct. 31, 2017
Filed:
Jan. 18, 2013
China University of Petroleum-beijing (Cupb), Beijing, CN;
Zhongli Ji, Beijing, CN;
Xiaolin Wu, Beijing, CN;
Honghai Chen, Beijing, CN;
Liang Yang, Beijing, CN;
Zhiyi Xiong, Beijng, CN;
CHINA UNIVERSITY OF PETROLEUM—BEIJING, Beijing, CN;
Abstract
A filter tube for high temperature gas-solid separation is provided that has a first cylinder and a second cylinder coaxially nested in the first cylinder with the first cylinder arranged so that an opening thereof faces upward, a first connection flange provided at a periphery of the opening of the first cylinder, and a circular through-hole provided at a bottom of the first cylinder. The second cylinder is nested in the first cylinder so that an opening of the second cylinder faces downward. The second cylinder has an end at an opening thereof that is hermetically connected to the circular through-hole of the first cylinder. The second cylinder has a bottom, and the bottom of the second cylinder and the opening of the first cylinder are at the same horizontal level. An annular gas passage is formed between the first cylinder and the second cylinder.