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:
Jun. 09, 1981
Filed:
Mar. 14, 1979
Kenji Hori, Nagaokakyo, JP;
Yuhiko Kiyota, Nagaokakyo, JP;
Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A secondary intake gas control system for an internal combustion engine having a secondary intake gas supply means for supplying air or a lean mixture to a combustion chamber, comprising an air control valve means provided in a secondary intake passage means of the secondary intake gas supply means to control a supply of the air. The air control valve means comprises a valve member and actuating means therefor. The actuating means is operated by means for sensing a temperature of the engine and means for sensing an opening degree of a throttle valve to open the valve member to communicate the secondary intake passage means with atmosphere when the opening degree of the throttle valve is above predetermined value at a predetermined temperature range of the engine during warming-up thereof.