Heating system for vehicles

Details Heating system for vehicles Heating system for vehicles

1999-12-20

2000-08-22

Joyce, Harold

Heating systems

Heat and power plants

Vehicle

237 123R, B60H 102

Patent

active

061058769

ABSTRACT:
A vehicle heating system having an additional heating component that can operate independently of the internal combustion engine is provided. When the additional heating component is not operating, the water flows through the coolant circuit loop between the internal combustion engine and the typical heat exchanger in a customary manner. The additional heating component includes a thermostatically actuated switching element which is designed in such a way that with the additional heating component operating, the water heated thereby flows exclusively through the traditional heat exchanger at a temperature below that set by the thermostatically actuated switching element. At a water temperature above that set by the thermostatically actuated switching element, the coolant heated by the additional heating component flows through the traditional heat exchanger and additionally through the internal combustion engine. In order to provide sufficient flow of coolant from the additional heating component through the internal combustion engine a device for creating a vacuum is disposed in the coolant circuit at the point where water flowing through the additional heating component enters the coolant circuit.

REFERENCES:
patent: 4993377 (1991-02-01), Itakura
patent: 5573184 (1996-11-01), Martin

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