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:
Jan. 24, 2012
Filed:
May. 27, 2008
Applicants:
Stefano Alacqua, Orbassano, IT;
Gianluca Capretti, Orbassano, IT;
Andrea Perosino, Orbassano, IT;
Antonino Veca, Orbassano, IT;
Inventors:
Stefano Alacqua, Orbassano, IT;
Gianluca Capretti, Orbassano, IT;
Andrea Perosino, Orbassano, IT;
Antonino Veca, Orbassano, IT;
Assignee:
C.R.F. Societa Consortile per Azioni, Orbassano (Turin), IT;
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sealing ring is set between the engine block of an internal-combustion engine and a cylinder head fixed to the engine block, within a seat set concentrically around a cylinder of the engine. The sealing ring has a composite structure, with an external hollow annular body made of superelastic material, and an internal hollow annular body including a shape-memory alloy.