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:
Aug. 25, 1981
Filed:
Apr. 10, 1979
Applicant:
Inventors:
Assignee:
Toyota Jidosha Kogyo Kabushiki Kaisha, Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
F02B / ; F02B / ;
U.S. Cl.
CPC ...
123308 ; 123 9016 ; 123 9055 ; 123432 ;
Abstract
A dual intake valve type internal combustion engine comprises a main intake valve and an auxiliary intake valve. The main intake valve is so constructed that the combustible gas mixture introduced into the combustion chamber therethrough is caused to generate a swirl motion. A variable valve lift type of auxiliary intake valve is constructed, and the valve lift of the auxiliary intake valve is varied in accordance with the changes in the engine operating conditions.