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:
Dec. 18, 2007
Filed:
Feb. 18, 2005
Koji Yamazaki, Saitama, JP;
Kenji Seki, Osaka, JP;
Koji Yamazaki, Saitama, JP;
Kenji Seki, Osaka, JP;
Mahle Filter Systems Japan Corporation, Tokyo, JP;
Osaka Gas Co., Ltd., Osaka-shi, JP;
Abstract
A vapor storage canister used to treat fuel vapor of an automotive internal combustion engine. The vapor storage canister includes a casing. A granular formed heat accumulative material is disposed in the casing and includes a powdered heat accumulative agent formed of micro-capsules each of which contains a phase changing material which makes adsorption and release of latent heat in accordance with a temperature change. The granular formed heat accumulative material further includes a binder for binding the heat accumulative agents. Additionally, a granular gas adsorbing material disposed in the casing and mixed with the heat accumulative material.