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:
Apr. 05, 1988
Filed:
Feb. 05, 1986
Applicant:
Inventors:
Duraid Mahrus, Sao Paulo, BR;
Alexandre Afonso, Sao Paulo, BR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F / ;
U.S. Cl.
CPC ...
92212 ; 2915 / ; 92213 ; 92223 ; 92224 ; 92228 ; 1231 / ;
Abstract
A piston for internal combustion engines made of a light alloy and comprising a skirt portion and a head portion, having a ceramic insert adapted on the head portion and connected to same by mechanical locking. The ceramic insert is provided with pores at least on the portion engaging the piston head. The pores have a size which enable them to be filled with the light alloy during the manufacture of the piston by the squeeze casting method.