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. 31, 1989
Filed:
Mar. 19, 1987
Applicant:
Inventor:
Michael L Rhodes, Rugby, GB;
Assignee:
AE PLC, Cawston, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J / ; F22B / ;
U.S. Cl.
CPC ...
92187 ; 92216 ; 92237 ; 1231 / ;
Abstract
Pistons are discribed comprising a crown portion which also includes a piston ring belt and gudgeon-pin bosses and which crown portion comprises a ferrous allow and a seperate articulated skirt portion comprising a casting of aluminum alloy, steel or cast iron which also includes gudgeon-pin bores, the crown portion and the skirt portion having a common gudgeon-pin about which the articulated skirt portion is freely able to move relative to the crown portion.