A parallel Stirling-electric hybrid system for passenger cars is outlined. In city driving the Stirling engine is disengaged and the car is an electric-only vehicle. In highway driving the Stirling engine provides the road-load power (the power needed to keep the speed constant at level road) and the electric machine is used for transients like acceleration, extra power for hill climbing, and power regeneration during braking. Start-up systems are described, with which the engine is heated prior to start using the electric grid power or battery power. One way is to motor the engine in the reverse direction, thereby with a heat pump action heating the heater. Another way is to use an electrically heated element upstream the heater. The combustion blower would then be used to transport the heat to the heater for the start of a catalyt combustion. This combustion takes place on the surface of the heater. A built-in air conditioning is presented, in which the buffer of the V160 engine is replaced by a stirling refrigerating cycle consisting of two heat exchangers with a regenerator inbetween.
A stirling-electric parallell hybrid engine system with catalytic combustion and integrated air conditioning
Hybridantriebssystem für die Parallelarbeit von Stirling- und Elektromotor mit katalytischer Verbrennung und integrierter Luftaufbereitung
1997
7 Seiten, 7 Bilder, 4 Quellen
Conference paper
English
Personenkraftwagen , Hybridantrieb , Stirlingmotor , Elektromotor , Verbrennung (Oxidation) , Katalyse , Elektroauto , Fahrgeschwindigkeit , transienter Zustand , Beschleunigung , Leistung , Regenerierung , Anfahrvorgang , Batteriebetrieb , Erwärmung , Wärmepumpe , Heizelement , Wärmetauscher , Regenerator , Kälteerzeugung
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