Smoke evacuation device
OwnerBertil R. L. Werjefeltinventor
Life of this patent
Estimating the term…
Abstract
A smoke evacuation device comprises a nozzle for connection to a source of clean air supply, the nozzle being adapted to vent clean air supply in all available directions in space therefrom to provide a volume of space with clean air in the proximity of the nozzle, thereby providing visibility and breathable air to the user. The nozzle is adapted to minimize entrainment of the surrounding smoke into the volume.
Claims7
An instrument panel capable of being read even when there is smoke within a room in which the instrument panel is located, comprising:
- a) an instrument panel including a front face;
- b) a nozzle for connection to a source of clear air supply, said nozzle being configured to vent clear air supply outwardly and along said front face to provide a volume of space with clear air in the proximity of said nozzle.
An instrument panel capable of being read even when there is smoke within a room in which the instrument panel is located, comprising:
- a) an instrument panel including a front face;
- b) nozzle means for venting clear air supply outwardly and along said front face to provide a volume of space with clear air in the proximity of said nozzle means.
A method for clearing smoke from an instrument panel front face, comprising:
- a) venting through a nozzle clear air supply outwardly and along said front face to provide a volume of space with clear air in the proximity of said front face.
Dependencies are inferred from the claim text.