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:
Dec. 14, 1982
Filed:
Apr. 15, 1981
Applicant:
Inventors:
Bernard Munoz, Puiseux, FR;
Eric Tavenne, Paris, FR;
Assignee:
Societe d'Etudes de Machines Thermiques S.E.M.T., Saint Denis, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D / ;
U.S. Cl.
CPC ...
123 4138 ; 92186 ; 123 4137 ;
Abstract
A piston for a reciprocating piston machine, of the type swivelled by means of a piston pin to the associated connecting rod small and consisting of two members constituting the piston head and the piston skirt, assembled together by stud bolts. The central portion of the piston skirt is constituted by a cylindrical hollowed central boss, and the connection of the boss to the peripheral cylindrical surface of the piston skirt is by a peripheral annular crown. Said hollow of the central boss is provided with radial ribs.