A rotary valve comprises: a valve body having a cylindrical cavity; a rotor having a cylindrical surface that abuts a surface of the cylindrical cavity, the rotor including: a center bore; a first channel extending between the center bore and a first opening in the cylindrical surface; a second channel extending between the center bore and a second opening in the cylindrical surface; a third channel extending between the center bore and a third opening in the cylindrical surface; and a fourth channel not connected to the center bore, the fourth channel extending between a fourth opening in the cylindrical surface and a fifth opening at an end surface of the rotor, the end surface adjacent the cylindrical surface; and ports extending through the valve body between the surface of the cylindrical cavity and an outside of the valve body.
ROTARY REFRIGERANT VALVE FOR AUTOMOTIVE HEAT PUMP CONTROL
28.12.2023
Patent
Elektronische Ressource
Englisch
IPC: | F16K VALVES , Ventile / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht |
Rotary refrigerant valve for automotive heat pump control
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