Patent ID: 11939983
Assignee: ACCESSIBLE TECHNOLOGIES, INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A centrifugal blower, comprising:
a pulley system, comprising:
a driving pulley coupled to a motor;
a driven pulley; and
a pulley belt coupled to the driving pulley and the driven pulley;

a gear set coupled to the driven pulley;
a mounting frame,
wherein the pulley system is mounted to a first side of the mounting frame and the gear set is mounted to a second side of the mounting frame,
wherein the mounting frame comprise a plurality of cooling holes for directing cooling air from the first side to the second side;
a centrifugal compressor, comprising:
an inlet;
an outlet; and
an impeller driven by the gear set and configured to pull air into the inlet, compress the air, and direct the air to the outlet; and

an inner plate coupled to a gearbox housing the gear set on a side of the gearbox that is opposite the mounting frame, the inner plate comprising a recessed portion; and
thermal insulation disposed in the recessed portion for reducing an amount of heat transfer to the gearbox from the centrifugal compressor.