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. 18, 1984
Filed:
Aug. 12, 1982
Applicant:
Inventor:
Merle R Showalter, Madison, WI (US);
Assignee:
Automotive Engine Associates, Madison, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
1231 / ; 123306 ; 123307 ;
Abstract
Modifications of piston top geometry eliminate the formation of the coherent roll-up vortex characteristic of most engines and dissipatively mix absorbed HC from the cylinder wall with hot gases in the cylinder to reduce unburned HC emissions.