Patent · US Expired

Internal combustion engine having a retarder

US4380971A · kind A · utility

6Cited by

3References

8Claims

0Family size

Assignee

Klockner-Humboldt-Deutz AG · DE

Inventors

Paul Tholen · Wittlich, DE
Leo Lichtblau · Cologne, DE
Friedemann Albers · Sankt Augustin, DE
Dieter Esche · Cologne, DE

Key dates

Filing date	Aug 4, 1981
Grant date	Apr 26, 1983
Priority date	—
Expiry date	Aug 4, 2001

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01P2001/005
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

An internal combustion engine having a retarder and a heat exchanger which re-cools the retarder oil, with cooling air being supplied to the heat exchanger during the braking operation. The internal combustion engine is provided with an exhaust conduit in which is arranged a blocking device for closing off the exhaust conduit during the braking operation, with the thus retained gas flow being utilized for conveying the cooling-air flow to the retarder oil heat exchanger.

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