logo

For the Inventor, By the Inventor

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 10702808 B1

PDFFull Text
Date of Patent:
Jul. 07, 2020

Filed:

Jul. 02, 2019

Filter device and filtration device

Applicant:

Yamashin-filter Corp., Kanagawa, JP;

Inventors:

Nobuyuki Kitajima, Kanagawa, JP;

Mitsunobu Okamoto, Kanagawa, JP;

Assignee:

YAMASHIN-FILTER CORP., Kanagawa, JP;

Attorney:

Nakanishi IP Associates, LLC

Primary Examiner:

Lucas A Stelling

Assistant Examiner:

Angel Olivera

Int. Cl.
CPC ...
B01D 29/11 (2006.01); B01D 29/15 (2006.01); B01D 29/23 (2006.01); B01D 29/33 (2006.01); B01D 29/92 (2006.01); B01D 35/027 (2006.01); B01D 36/00 (2006.01); F15B 21/04 (2019.01); F15B 21/041 (2019.01); B01D 35/00 (2006.01); B01D 29/21 (2006.01); B01D 29/58 (2006.01); F15B 1/26 (2006.01); F01M 1/10 (2006.01); B01D 29/07 (2006.01); B01D 35/147 (2006.01); B01D 35/153 (2006.01); F15B 21/044 (2019.01);
U.S. Cl.
CPC ...
B01D 29/58 (2013.01); B01D 29/15 (2013.01); B01D 29/21 (2013.01); B01D 29/23 (2013.01); B01D 29/232 (2013.01); B01D 29/33 (2013.01); B01D 29/925 (2013.01); B01D 35/027 (2013.01); B01D 35/0276 (2013.01); B01D 36/00 (2013.01); B01D 36/001 (2013.01); F01M 1/10 (2013.01); F15B 1/26 (2013.01); F15B 21/04 (2013.01); F15B 21/041 (2013.01); B01D 29/07 (2013.01); B01D 29/114 (2013.01); B01D 29/117 (2013.01); B01D 35/005 (2013.01); B01D 35/147 (2013.01); B01D 35/153 (2013.01); B01D 2201/0415 (2013.01); B01D 2201/301 (2013.01); F15B 21/044 (2013.01);
Abstract

A filter element having a substantially cylindrical shape is provided inside a filter case that is provided with a plurality of opening portions in a side surface and has a bottomed substantially cylindrical shape. A fluid flows into a hollow portion of the filter element from an inflow portion provided between a bottom surface of the filter case and the filter element in a height direction. Further, an inner tube provided inside a filtration material having a substantially cylindrical shape includes a first region that is formed with an opening portion substantially on the entire surface and a second region that is not formed with an opening portion. The second region is provided below the first region to include a lower end of the inner tube.

Find Patent Forward Citations

Loading…