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:
Jan. 11, 2022
Filed:
Dec. 12, 2018
Nagase Filter Co., Ltd., Higashiosaka, JP;
National University Corporation Kumamoto University, Kumamoto, JP;
Toshiki Eguchi, Osaka, JP;
Masayoshi Shimo, Osaka, JP;
Hideki Hayashi, Osaka, JP;
Kazuyuki Hokamoto, Kumamoto, JP;
Shigeru Tanaka, Kumamoto, JP;
Nagase Filter Co, Ltd., Osaka, JP;
National University Corporation Kumamoto University, Kumamoto, JP;
Abstract
The present invention provides a new filter cleaning method that has cleaning performance superior to that of ultrasonic cleaning. The method for cleaning a filter of the present invention includes the steps of: generating a shock wave; and bringing the shock wave into contact with a filter to which a filler adhered, wherein in the shock wave contacting step, a pressure applied to the filter by the shock wave is 0.07 MPa or more.