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:
Oct. 18, 2005
Filed:
Jun. 22, 2004
Masahiro Ogawa, Yokohama, JP;
Masahiro Ogawa, Yokohama, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
First and second chambers are coaxially arranged and have substantially the same cross sectional area. First and second activated charcoal masses are respectively received in the first and second chambers. A labyrinth structure is arranged between respective first ends of the first and second chambers. An atmospheric air inlet port is provided by a second end of the second chamber. A third chamber is arranged beside the coaxially arranged first and second chambers. The third chamber has a first end positioned near a second end of the first chamber and a second end positioned near the second end of the second chamber. A third activated charcoal mass is received in the third chamber. A connector passage extends between the second end of the first chamber and the first end of the third chamber to provide a fluid connection between the first and third chambers. A fuel vapor inlet port is provided by the second end of the third chamber, and a fuel vapor outlet port is also provided by the second end of the third chamber.