Patent · US Expired

Piston for internal combustion engines

US4747340A · kind A · utility

9Cited by

6References

24Claims

0Family size

Assignee

Kolbenschmidt Aktiengesellschaft · DE

Inventors

Klaus Schellmann · Weinsberg, DE
Siegfried Mielke · Neckarsulm, DE
Ulrich Landau · Oedheim, DE

Key dates

Filing date	Mar 7, 1986
Grant date	May 31, 1988
Priority date	—
Expiry date	Mar 7, 2006

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05C2253/16
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

In a piston comprising a top part, which includes at least the piston head and the ring-carrying portion, and a bottom part, which is connected to the top part by suitable means, the adequate lubrication of the piston pin, which is firmly connected to the connecting rod is ensured in that the piston pin is movably mounted in hub segments, which are connected to the bottom part, and in a recess which has the shape of a segment of a cylinder and is formed in a plate that is made of heat-insulating material and inserted on the inside surface of the piston head.

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