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. 21, 2003
Filed:
May. 02, 2002
Applicant:
Inventors:
Seon-Yang Hwang, Kyungki-Do, KR;
Sung-Nam Baek, Seoul, KR;
Assignee:
Hyundai Motor Company, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 4/108 ;
U.S. Cl.
CPC ...
F02M 4/108 ;
Abstract
An engine idle speed control device enhances engine cold-start performance even in engines of large displacement. The device reduces noise created by intersecting air flows after bypassing the throttle valve. The device includes first and second passages, each mounted on a throttle body for enabling air flow bypassing the throttle valve, an ISA so mounted as to control the opening of the first passage, and temperature valve unit so mounted as to control the opening of the second passage in response to engine temperature.