Patent · US Expired

Internal combustion engine having a noise suppressing encapsulation

US4194484A · kind A · utility

15Cited by

8References

8Claims

0Family size

Assignee

Hans List · AT

Inventors

Karl Kirchweger · Graz, AT
Heinz Fachbach · Graz, AT
Gerhard Thien · Graz, AT
Josef Greier · Graz, AT

Key dates

Filing date	Dec 6, 1977
Grant date	Mar 25, 1980
Priority date	—
Expiry date	Dec 6, 1997

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02B77/13
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

An internal combustion engine having a noise suppressing encapsulation, said encapsulation being ventilated by a blower and cooling air ducts being formed within the encapsulation by means of partitions, one of said cooling air ducts comprising all fuel and oil leading engine parts and the other cooling air duct being imperviously divided from the first one comprising the parts of the exhaust system.

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