Patent ID: 9637210
Date: 2017-05-02
CPC Classifications: A47C,B63C,B64D,F04D

Claim:
1. An electrically powered inflation system for inflating an inflatable structure on-board a passenger transportation vehicle, the inflation system comprising: a mixed flow compressor comprising a compressor wheel mounted with respect to a motor mount and a compressor housing, the compressor housing comprising an air intake inlet having an inlet axis, the compressor wheel comprising a cone-shaped backplate that supports curved blades, the curved blades comprising a length extending along the cone-shaped backplate defining a curve and a height extending up from the backplate, each of the curved blades comprising an inlet region, an outlet region, and a twisted portion along the curved blade height between the inlet region and the outlet region such that the inlet region comprises an angle different from the outlet region, an electric motor configured to impart rotational speed to the compressor wheel, wherein the electric motor is battery-powered, wherein the compressor housing further comprises an exit in fluid communication with the inflatable structure, wherein in use, ambient air enters the intake inlet along the inlet axis and exits the compressor wheel curved blades at a diagonal angle with respect to the inlet axis.