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:
May. 17, 2022

Filed:

Jul. 16, 2020
Applicant:

Aisan Kogyo Kabushiki Kaisha, Obu, JP;

Inventor:

Ryuji Kosugi, Nagoya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 33/02 (2006.01); B01D 53/04 (2006.01); F02M 25/08 (2006.01);
U.S. Cl.
CPC ...
B01D 53/0415 (2013.01); B01D 2253/102 (2013.01); B01D 2257/702 (2013.01); B01D 2259/4516 (2013.01); F02M 25/0854 (2013.01);
Abstract

A canister includes a main casing, a first port formed in a wall of the main casing, and a first adsorbent section within the main casing. The first adsorbent section and the wall of the main casing define a space section therebetween. The first adsorbent section includes a first adsorbent and a first retainer holding the first adsorbent. The canister also includes a first elastic element disposed in the space section. The first elastic element urges the first retainer to elastically hold the first adsorbent. In addition, the canister includes a subcasing integral to the wall of the main casing. The subcasing is positioned within the space section. Further, the canister includes a second adsorbent section in communication with the first port. The second adsorbent section includes a second adsorbent disposed within the subcasing. Still further, the canister includes a second retainer holding the second adsorbent.


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