Heating apparatus for vehicle

Details Heating apparatus for vehicle Heating apparatus for vehicle

B - Operations, Transporting

60

H

B60H 1/04 (2006.01) B60H 1/03 (2006.01) F24J 3/00 (2006.01)

Patent

CA 2209976

A viscous heater for heating cooling water for cooling a water cooled engine is disposed in a cooling water circuit, and a front heater core is disposed in the cooling water circuit at a downstream side of the viscous heater with reference to a flow direction of the cooling water. Only when a heating operation is the maximum heating operation or the maximum heating operation is desired, a viscous clutch is turned on to transmit a driving force of the engine to the viscous heater. When the maximum heating operation is not desired, the viscous clutch is turned off so that the driving force of the engine is not transmitted to the viscous heater. Therefore, a load of the engine is reduced, and the cost for running the vehicle can be lowered.

Chaufferette à fluide visqueux pour chauffer l'eau de refroidissement d'un moteur refroidi à l'eau, montée sur un circuit d'eau de refroidissement, et un faisceau de chaufferette avant, montée sur le circuit d'eau de refroidissement en aval de la chaufferette correspondant à la direction d'écoulement de l'eau de refroidissement. On met un visco-coupleur en marche pour transmettre la force d'entraînement du moteur à la chaufferette à fluide visqueux seulement si le réchauffement maximal est désiré. Si l'on ne désire pas le réchauffement maximal, on arrête le visco-coupleur de façon à ne pas transmettre la force d'entraînement du moteur à la chaufferette. Ainsi, la charge du moteur est diminuée et les frais associés à l'utilisation du véhicule peuvent être diminués.

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