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. 08, 1982
Filed:
Dec. 19, 1979
Applicant:
Inventors:
Toshiaki Tanaka, Fujisawa, JP;
Yukihiro Etoh, Yokohama, JP;
Assignee:
Nissan Motor Company, Limited, Yokohama, JP;
Primary Examiner:
Int. Cl.
CPC ...
F02M / ; F01N / ;
U.S. Cl.
CPC ...
1231 / ; 123568 ;
Abstract
An internal combustion engine is disclosed which includes a plurality of cylinders split into first and second groups and operates in a split cylinder mode under low engine load conditions where the second group of cylinders are held suspended. Means is provided for holding the combustion chambers of the second group of cylinders in communication with the exhaust passage during a split cylinder mode of operation.