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. 24, 2023
Filed:
Nov. 28, 2022
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Korea Fuel-tech Corporation, Anseong-si, KR;
Seong Cheol Cho, Seoul, KR;
Sung Won Lee, Hwaseong-Si, KR;
Tae Kyu Hwang, Pyeongtaek-Si, KR;
Hyung Jun Bae, Anseong-Si, KR;
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Korea Fuel-Tech Corporation, Anseong-si, KR;
Abstract
A vehicle canister device includes a main canister including an inlet port through which evaporative gas is introduced from a fuel tank, an outlet port through which the evaporative gas introduced during operation of an engine is discharged to an intake side of the engine, and an internal space for filling activated carbon. The vehicle canister device also includes an auxiliary canister mounted in fluid-communication with the main canister and configured to allow external air to flow into the main canister through an atmosphere port provided on the main canister or the evaporative gas to flow therethrough upon stop of the engine. The auxiliary canister includes a plurality of activated carbon layers each filled with an activated carbon and a plurality of air layers disposed between the activated carbon layers.