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US 2002/0053115 A1Published application
Vacuum cleaner apparatus and return system for use with the same
OwnerDavid Denginventor
Life of this patent
Estimating the term…
Abstract
A vacuum cleaner that generates an output air stream to agitate dirt and other debris on the surface being cleaned.
Claims22
A vacuum cleaner for cleaning a surface, comprising:
- a motor assembly including a motor, an ambient air intake port, an air intake port, and an air exhaust port;
- a first air transmission apparatus, operably connected to the air intake port, including a first air inlet adjacent to the surface and operably connected to a debris collection area and a first air outlet;
- a second air transmission apparatus, operably connected to the air exhaust port, including a second air outlet that directs air from the air exhaust port to the surface;
- and
- a chamber, operably connected to the first air outlet, that combines the air from the first air outlet with ambient air from the ambient air intake port.
2 more elements
A method of cleaning a surface, comprising the steps of:
- drawing an intake air stream through an intake air inlet adjacent to the surface;
- directing the intake air stream through a debris collection area;
- drawing ambient air;
- generating an output air stream with the ambient air;
- combining the intake air stream with the output air stream to form a combined air stream;
- and
- directing the combined air stream through an output outlet adjacent to the surface.
4 more elements
Dependencies are inferred from the claim text.