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:
Aug. 16, 1994
Filed:
Jul. 30, 1993
Applicant:
Inventors:
Kazusato Kasuya, Kariya, JP;
Mitsuo Sugiura, Hekinan, JP;
Assignee:
Aisan Kogyo Kabushiki Kaisha, Ohbu, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123519 ;
Abstract
A fuel vapor processing apparatus of an internal combustion engine for a vehicle comprises a main canister, a sub-canister connected to the main canister in series and located closer to the atmosphere than the main canister is, a first one-way valve through which the fluid flows from the main canister to the sub-canister, and a second one-way valve through which the fluid flows in the reverse direction, the first and second one-way valves being provided in parallel between the main canister and the sub-canister.