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:
Sep. 07, 2004
Filed:
Jul. 26, 2002
Applicant:
Inventors:
Kouichi Oda, Kariya, JP;
Masaki Takeyama, Okazaki, JP;
Naoya Kato, Ama-gun, JP;
Yoshinori Inuzuka, Okazaki, JP;
Takashi Nishimoto, Toyota, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 9/08 ; F02M 3/5024 ;
U.S. Cl.
CPC ...
F02D 9/08 ; F02M 3/5024 ;
Abstract
A throttle valve is opened after stopping an engine to prevent the valve from sticking. Then, when a temperature of the valve has become lower than the polymerization temperature, the valve is closed to seal the vapor of the HCs in a surge tank downstream. Changes in the temperature of the valve are, for example, estimated based on a temperature of an intake air detected by an intake temperature sensor.
Oda, Kouichi. (2004). Hydrocarbons emission preventive apparatus in intake system for internal combustion engine and method thereof (U.S. Patent No. 6786199). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6786199
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