Heating systems – Heat and power plants – Vehicle
Patent
1995-06-15
1996-11-12
Tapolcai, William E.
Heating systems
Heat and power plants
Vehicle
122 26, 126247, F24C 900
Patent
active
055731848
ABSTRACT:
A heating device for motor vehicles, in particular a supplementary heating device for motor vehicles with a fluid-cooled internal combustion engine. The heating device operates according to the principle of fluid friction; a rotor that rotates in a working chamber, which chamber is completely filled with viscous fluid, is driven by an engine of the vehicle. As the rotor rotates, the viscous fluid emits its heat to a coolant, preferably the cooling water of the internal combustion engine. This heating device is switched on and off by an electromagnetic clutch which connects and disconnects the rotor to the drive engine of the vehicle. This heating device is of simple design, operates reliably, is maintenance-free and can be switched on and off precisely. The heating device can be mounted in the vehicle as desired, shortens the warming-up phase, in particular in the case of diesel engines, and can be used as a heating device even with hybrid drives.
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