Additional heating arrangement

US5806479A · kind A · utility

Assignees

• Behr GmbH & Co. · DE
• J. Eberspaecher GmbH & Co. KG · DE

Inventors

• Dieter Bauer · Munich, DE
• Michael Humburg · Göppingen, DE
• Michael Loehle · Jeffery Road, DE
• Wolfgang Pfister · Eßlingen, DE
• Peter Reiser · Jeffery Road, DE
• Gebhard Schweizer · Leonberg, DE

Key dates

• Filing date: Apr 4, 1997
• Grant date: Sep 15, 1998
• Expiry date: Apr 4, 2017

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F28D2021/0094
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A cooling system of an internal combustion engine of a motor vehicle has a cooling circuit, including a coolant/air radiator for cooling the engine, and a heating circuit, including a coolant/air heat exchanger for heating the passenger compartment. The cooling system includes an additional or secondary heater integrally associated with a coolant/air radiator to increase the heating capacity. The problem encountered with modern engines, particularly diesel engines, is that too little heat is available for heating the passenger compartment. Consequently, a secondary heater is needed. The secondary heater, which can be a fuel heater with a burner part and a heat exchanger part, is integrated into the radiator. This arrangement is advantageous in that the burner, with its fuel and exhaust gas line, is located outside the passenger compartment.