PAUL R SHEPLER
Engineering in Baltimore, MD
License number
Massachusetts 6428
Expiration Date
Jun 30, 1984
Type
Mechanical Engineer
Address
Address
Baltimore, MD 21204
Professional information
Double Taper Piston
US Patent:
4106463, Aug 15, 1978
Filed:
Jan 31, 1977
Appl. No.:
5/763935
Inventors:
John Markley Curtis - Baltimore MD
Paul Roberts Shepler - Towson MD
Paul Roberts Shepler - Towson MD
Assignee:
Koppers Company, Inc. - Pittsburgh PA
International Classification:
F02F 300
US Classification:
123193P
Abstract:
A piston for an internal combustion engine having a double tapered top land to provide controlled variation in the clearance about the head of the piston. The controlled variation in clearance about the piston head provides a sufficiently sized orifice which prevents the formation of hard carbon and improves oil control without greatly increasing pollutants.