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.

Date of Patent:
Dec. 21, 2021

Filed:

Jul. 24, 2017
Applicant:

Tianhua Institute of Chemical Machinery and Automation Co., Ltd, Gansu, CN;

Inventors:

Xu Zhao, Gansu, CN;

Zhongxin Sun, Gansu, CN;

Wanyao Zhang, Gansu, CN;

Xiangnan Zhai, Gansu, CN;

Guohai Zhang, Gansu, CN;

Yu Guo, Gansu, CN;

Xiaopeng Feng, Gansu, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 33/80 (2006.01); B01D 33/067 (2006.01); B01D 33/72 (2006.01);
U.S. Cl.
CPC ...
B01D 33/80 (2013.01); B01D 33/067 (2013.01); B01D 33/722 (2013.01); B01D 2201/043 (2013.01); B01D 2201/20 (2013.01);
Abstract

A device for reducing pressure fluctuation of a pressure filter frame and a pressure filter. The device includes a pressure filter frame that is a cylindrical housing. An inner wall of the pressure filter frame is further provided with a buffer plate. A plurality of openings are provided in the buffer plate. A gap is remained between the buffer plate and the inner wall of the pressure filter frame. A plurality of supporting posts are disposed in the gap, which fixedly connect the inner wall of the pressure filter frame with the buffer plate.


Find Patent Forward Citations

Zhao, Xu. (2021). Device for reducing pressure fluctuation of pressure filter frame and pressure filter (U.S. Patent No. 11202979). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11202979

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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