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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.:

US 10343515 B1

PDFFull Text
Date of Patent:
Jul. 09, 2019

Filed:

Jul. 19, 2016

Fuel filling apparatus and method for bi-fuel vehicle

Applicant:

Hyundai Motor Company, Seoul, KR;

Inventors:

Chang Han Kim, Gwangju, KR;

Jong Ki Kim, Gyeonggi-do, KR;

Jae Hwa Park, Gyeonggi-do, KR;

Jae Min Lee, Chungcheongnam-do, KR;

Assignee:

Hyundai Motor Company, Seoul, KR;

Attorneys:

Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.

Peter F. Corless

Primary Examiner:

Timothy L Maust

Assistant Examiner:

James R Hakomaki

Int. Cl.
CPC ...
B67D 7/04 (2010.01); B67D 7/32 (2010.01); B60K 15/03 (2006.01); B60K 15/04 (2006.01); F02D 19/06 (2006.01); F02M 21/02 (2006.01); F02M 25/08 (2006.01); F02M 37/00 (2006.01); B60K 15/035 (2006.01);
U.S. Cl.
CPC ...
B60K 15/03519 (2013.01); B60K 15/03006 (2013.01); B60K 15/04 (2013.01); B67D 7/04 (2013.01); B67D 7/3281 (2013.01); F02D 19/0647 (2013.01); F02D 19/0665 (2013.01); F02M 21/0212 (2013.01); F02M 21/0224 (2013.01); F02M 25/08 (2013.01); F02M 25/089 (2013.01); F02M 37/0064 (2013.01); B60K 2015/0319 (2013.01); B60K 2015/0321 (2013.01); B60K 2015/03026 (2013.01); B60K 2015/03203 (2013.01); B60K 2015/03302 (2013.01); B60K 2015/03355 (2013.01); B60K 2015/03576 (2013.01); B60K 2015/03585 (2013.01); B67D 2007/329 (2013.01); Y02T 10/32 (2013.01); Y02T 10/36 (2013.01);
Abstract

A fuel filling apparatus and method for a bi-fuel vehicle using both gasoline and liquefied petroleum gas (LPG) as fuel are provided to an LPG fuel tank. The fuel filling apparatus and method are capable of temporarily burning a portion of LPG fuel after collecting a fuel portion, using a gasoline fuel tank and a canister, when the internal pressure of the LPG fuel tank in the bi-fuel vehicle is equal to or greater than an LPG filling pressure of a filling gun. Additionally, the internal pressure of the LPG fuel tank is decreased to a level below the LPG filling pressure of the filling gun, thereby achieving smoother LPG fuel filling of the LPG fuel tank by the filling gun.

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