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. 03, 1989
Filed:
Jul. 06, 1988
Applicant:
Inventors:
James E Macier, Beach Park, IL (US);
Gregory J Binversie, Grayslake, IL (US);
David C Calamia, Grayslake, IL (US);
John M Daniels, Round Lake Park, IL (US);
Assignee:
Outboard Marine Corporation, Waukegan, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
123 / ; 1231 / ;
Abstract
Disclosed herein is an internal combustion engine comprising first and second cylinders and first and second cylinder head cavities respectively aligned and communicating with said first and second cylinders to respectively define compression ratios respectively associated with each of said first and second cylinders, and means for providing each of said first and second cylinders with respectively different compression ratios selected to maximized the power produced in each cylinder without knocking.