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:
Feb. 01, 1983
Filed:
Feb. 11, 1981
Applicant:
Inventor:
Paul Tholen, Gladbach, DE;
Assignee:
Klockner-Humboldt-Deutz AG, Cologne, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60N / ;
U.S. Cl.
CPC ...
237 / ; 122 26 ; 126247 ; 237 / ;
Abstract
An auxiliary heating apparatus is used in conjunction with a primary heater system which includes a heat exchange for heating air by indirect heat exchange with a fluid stream containing engine heat. The auxiliary heater apparatus comprises a fluid pump, a throttle valve for reducing the pressure of and thereby heating the auxiliary heating fluid, and an air heat exchanger arranged in series with the primary heat exchanger on the air side.