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:
Jun. 09, 2009
Filed:
Sep. 05, 2007
Koji Yamazaki, Saitama, JP;
Takashi Hasumi, Tokyo, JP;
Kenji Seki, Osaka, JP;
Mahle Filter Systems Japan Corporation, Tokyo, JP;
Oskak Gas Co., Ltd., Osaka-shi, JP;
Abstract
A canister includes a casing having a gas passage which extends from a first passage end formed with a charge port to let in fuel vapor and a purge port to let out the fuel vapor, to a second passage end formed with an atmospheric air port to let in air, and which includes a heat storing and adsorbing chamber in which a granular adsorbing material and a granular heat storing material are held. The granular heat storing material contains capsules each including a phase-change material enclosed in a multilayer outer shell which includes an inner layer of a hydrophobic resin and an outer layer of a hydrophilic resin covering the inner layer.