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. 21, 1993
Filed:
Sep. 27, 1991
Andre Lippai, Sao Paolo, BR;
Jorge K Tanigami, Sao Paolo, BR;
Paulo T Dellanoce, Sao Caetano do Sul, BR;
Metal Leve S/A Industria e Comercio, Sao Paulo, BR;
Abstract
A two-piece, or articulated, piston head for internal combustion engines and the method for obtaining same. The top and pin boss portions composing the head are obtained separately from blanks; the underside of the top portion is provided with a groove whose inner wall is eccentric in relation to the top longitudinal axis; the two portions are joined together by welding; the upper side of the top portion is provided with a combustion bowl eccentric in relation to the top portion longitudinal axis and concentric with the inner wall of the groove on the underside of the top portion.