WEARABLE DEVICE FOR DELIVERING AIR

• Main Authors: CONNELL, Emma Anne, KLASEK, Paul Jan, KWOK, Philip Rodney, YANG, Quangang, DARKIN, Donald, YU, Tzu-chin, KENYON, Barton John, CREUSOT, David, SIMS, Andrew
• Format: Patent
• Language: English; French; German
• Published: 11.10.2017
• Subjects: AMUSEMENTS; BLASTING; CARD, BOARD, OR ROULETTE GAMES; DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING; FIRE-FIGHTING; GAMES; GAMES NOT OTHERWISE PROVIDED FOR; HEATING; HUMAN NECESSITIES; HYGIENE; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; LIFE-SAVING; LIGHTING; MECHANICAL ENGINEERING; MEDICAL OR VETERINARY SCIENCE; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; SPORTS; VIDEO GAMES; WEAPONS

The present invention discloses a multistage blower, comprising: a blower housing comprising an inlet and a plurality of stator vanes, and wherein the plurality of stator vanes are formed on an inner wall of the blower housing; a motor shaft; and a rotor coupled to the motor shaft and comprising a plurality of axial blades on an axially extending wall of the rotor, wherein the plurality of axial blades are arranged in a plurality of axial rotor stages; and wherein the rotor comprises a centrifugal stage at the top positioned towards the inlet, wherein, when the rotor is contained within the blower housing, the plurality of axial rotor stages align with the housing to form a plurality of axial stages, wherein the axially-extending wall of the rotor forms a part of an annular flow path; wherein, in use, air travels from the centrifugal stage downstream through the annular flow path through the plurality of axial stages.