Patent · US Expired

Thermally insulating pistons for internal combustion engines and method for the manufacture thereof

US4651630A · kind A · utility

11Cited by

9References

9Claims

0Family size

Assignee

M.A.N. Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft · DE

Inventors

Hans Zeilinger · Puchheim, DE
Edwin Erben · Munich, DE

Key dates

Filing date	Jan 22, 1985
Grant date	Mar 24, 1987
Priority date	—
Expiry date	Jan 22, 2005

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49258
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A thermally insulating piston for internal combustion engines is provided on the piston crown or in its dished combustion space portion with a thermally insulating liner which on the side thereof facing the combustion space consists entirely of a ceramic material, and which on the side thereof facing the piston crown or its dished combustion space portion has a metallic or metal-ceramic material fused with the piston metal.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.