Patent ID: 11957295
Assignee: nan
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 17:
18. A pneumatic vacuum cleaner comprising:
an external body shell having an internal chamber defined therein;
an impeller housing within the internal chamber and having an upper surface and a lower surface;
an impeller mounted within the impeller housing and configured to pressurize air exiting the impeller housing;
a manifold mounted to the lower surface of the impeller housing for receiving the pressurized air;
a plurality of air nozzles secured proximate a lower surface of the manifold and configured to direct air downward and away from the manifold to entrain debris into the air and simultaneously using the pressurized air to lift the cleaner;
a flexible propulsion tube and nozzle, the flexible propulsion tube is coupled to the manifold and configured to receive the pressurized air and direct the pressurized air away from the external body shell to propel the cleaner in random directions; and
a passageway configured to return the pressurized air from the plurality of air nozzles back to an inlet of the impeller housing.