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

Claim 7:
8. A centrifugal blower, comprising:
a motor;
a centrifugal compressor;
a drive system, comprising:
a pulley system;
a belt tensioner coupled to the pulley system; and
a gear set comprising an input gear and an output gear,
wherein the pulley system is driven by the motor to drive the gear set and the gear set drives the centrifugal compressor;

a mounting frame having the belt tensioner and the drive system mounted thereon,
wherein the mounting frame comprises a recess for receiving a gearbox housing the gear set, and
wherein the recess comprises a plurality of channels to increase airflow to the gear set;
a plurality of cooling holes extending through the mounting frame, emanating from the plurality of cooling holes, and disposed proximally to the gear set; and
an adjustment system for adjusting a position of the belt tensioner to adjust a preload in a pulley belt of the pulley system.