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. 26, 1983
Filed:
Aug. 04, 1981
Applicant:
Inventors:
Paul Tholen, Bergisch Gladbach, DE;
Leo Lichtblau, Cologne, DE;
Friedemann Albers, St. Augustin, DE;
Dieter Esche, Cologne, DE;
Assignee:
Klockner-Humboldt-Deutz Aktiengesellschaft, Cologne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01P / ;
U.S. Cl.
CPC ...
123 4131 ; 60614 ; 123323 ; 188273 ;
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.