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:
Feb. 08, 2022
Filed:
Dec. 23, 2020
Mahle International Gmbh, Stuttgart, DE;
Mahle Filter Systems Japan Corporation, Tokyo, JP;
Takashi Hasumi, Tokyo, JP;
Hiroshi Iwauchi, Tokyo, JP;
Junpei Omichi, Tokyo, JP;
Yuya Yamashita, Tokyo, JP;
Abstract
A fuel adsorption device may include a case and a heater. The case may be metal and may have a multi-cylindrical shape. The case may accommodate a plurality of adsorbents configured to at least one of adsorb and desorb evaporated fuel. The case may include a cylindrical first wall part, at least one cylindrical second wall part disposed further inward than the first wall part, and a plurality of connection parts connecting the first wall part and the at least one second wall part to one other. A first adsorbent of the plurality of adsorbents may be arranged in a first space disposed between the first wall part and the second wall part. A second adsorbent of the plurality of adsorbents may be arranged in a second space disposed further inward than the second wall part. The heater may be disposed on an outer surface of the first wall part.