B
PERFORMING OPERATIONS; TRANSPORTING
B60
VEHICLES IN GENERAL
B60H
ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
1/00
Heating, cooling or ventilating; [HVAC]; devices
B60H1/00642
Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
B60H1/00814
Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
B60H1/00878
the components being temperature regulating devices
B60H1/00899
Controlling the flow of liquid in a heat pump system
B60H1/00921
where the flow direction of the refrigerant does not change and there is an extra subcondenser, e.g. in an air duct