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:
Mar. 26, 1985
Filed:
Jul. 10, 1984
Applicant:
Inventor:
Shigeru Yoshida, Ohbu, JP;
Assignee:
Aisan Industry Co., Ltd., Ohbu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55320 ; 55387 ; 55476 ; 123519 ;
Abstract
A fuel evaporation preventing device has a casing, an absorbent filling the casing and adapted to absorb the fuel vapor, a fuel vapor introduction pipe having one end embedded in the layer of the absorbent, and a flow deflector opening towards the fuel vapor introduction pipe. The flow deflector has a plurality of box-shaped pleats defining a plurality of slits extending vertically, so that the fuel vapor is distributed over wide area in the canister to permit greater part of the absorbent to take part in the absorption and release of the fuel vapor.