Heater system for the passenger compartment of a motor vehicle

Details Heater system for the passenger compartment of a motor vehicle Heater system for the passenger compartment of a motor vehicle

1990-09-06

1992-03-03

Bennett, Henry A.

Heating systems

Heat and power plants

Vehicle

165101, 165103, B60H 102

Patent

active

050925210

ABSTRACT:
A heater system for the passenger compartment of a motor vehicle comprises a number of heat exchange elements arranged in a stack. Flow of engine coolant through each of the heat exchange elements is individually controlled by valve means having a coolant inlet and a coolant outlet and which includes a valve member which can progessively open the flow of coolant to the heat exchange elements by uncovering staggered supply orifices. The heat exchange elements are in parallel with a bypass passage which allows flow from the coolant inlet to the coolant outlet through a bypass orifice. The bypass orifice becomes progressively blocked as the valve member uncovers the supply orifices.

REFERENCES:
patent: 3195622 (1965-07-01), Haufler et al.
patent: 3990504 (1976-09-01), Koltmann
patent: 4427056 (1984-01-01), Johnson et al.
patent: 4559994 (1985-12-01), Waldmann et al.
patent: 4815658 (1989-03-01), Hidemitsu et al.

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