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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.:

US 8945382 B1

PDFFull Text
Date of Patent:
Feb. 03, 2015

Filed:

Jul. 05, 2011

Scraper device for discharging filter cake on filter plate of pressure filter

Applicants:

Baochang Liu, Dezhou, CN;

Qianqiu Zhao, Dezhou, CN;

Inventors:

Baochang Liu, Dezhou, CN;

Qianqiu Zhao, Dezhou, CN;

Assignee:

Jingjin Environmental Protection Co., Ltd., Dezhou, CN;

Attorneys:

Matthias Scholl P.C.

Matthias Scholl

Primary Examiner:

Katherine Zalasky

Assistant Examiner:

Kara Graber

Int. Cl.
CPC ...
B01D 25/32 (2006.01); B08B 1/00 (2006.01); B01D 25/164 (2006.01); B01D 25/38 (2006.01); B01D 25/12 (2006.01);
U.S. Cl.
CPC ...
B08B 1/005 (2013.01); B01D 25/164 (2013.01); B01D 25/38 (2013.01); B01D 25/124 (2013.01);
Abstract

A scraper device discharges a filter cake on a filter plate of a pressure filter, which includes fixed bracket and movable carriage parts, and hoist rack and scraper parts. The fixed bracket part has transverse and vertical bracket beams. The movable carriage part has a movable carriage base, bottom and upper transverse beams, and an upright column. The hoist rack part, mounted in the movable carriage, includes upper and bottom transverse beams of the hoist rack, which are connected by an upright column of the hoist rack. A hoist slide plate connects with a connection plate of the hoist rack, and the hoist slide plate is movably connected to a chain. Scrapers are placed at both sides of the filter plate, and position limiters are placed in the movable carriage part and the hoist rack part. The position limiters are connected to clamping and unclamping proximity switches.

Find Patent Forward Citations

Liu, Baochang. (2015). Scraper device for discharging filter cake on filter plate of pressure filter (U.S. Patent No. 8945382). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8945382

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

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