Device for cooling engines and for heating the interior of a hybrid vehicle

• Main Authors: APTER, ROBERT, SONNTAG, RAINER
• Format: Patent
• Language: English; French; German
• Published: 02.07.2003
• Edition: 6
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES; AUXILIARY DRIVES FOR VEHICLES; BLASTING; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; COOLING OF INTERNAL-COMBUSTION ENGINES; COOLING OF MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; HEATING; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT; STEAM ENGINES; TRANSPORTING; VEHICLES IN GENERAL; WEAPONS

The combination unit includes a radiator bypass (56,62,66,70), in which an electric heater (80) and a heating system heat exchanger (68) are arranged, for heating the vehicle interior. Respectively according to the operating mode of the hybrid vehicle, the heat exchanger can receive heat from the IC engine (12) or the electric heater. Thus in the electric operating mode, without the engine running, for maintaining a small heating loss, an uncoupling of the engine and the radiator (26) from the heating system heat exchanger is possible, using a thermostat valve (24) and an electro valve (28).