A central vacuum cleaning system includes an inlet valve mounted at various locations in a structure or RV and connected to the inlet end of a vacuum conduit. A section of hose is slidably mounted within the conduit and extends from the inlet valve for cleaning an adjacent area. The hose includes a hose plug of cuff connected with a distal end of the hose. The hose plug includes an annular channel and a cam to move a pin or button on the valve. The hose plug or cuff may also include a first seal and a second seal.
CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR
2024-04-11
Patent
Elektronische Ressource
Englisch
IPC: | A47L DOMESTIC WASHING OR CLEANING , Waschen oder Reinigen im Haushalt / B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS / F16L PIPES , Rohre |