초록

A motor-driven compressor-electronic motor power package assembly places temperature-sensitive components of the electric motor or the electronic power package for the electric motor, or both, in heat transfer relationship with the flow of compressed air from the compressor.

대표청구항 ▼

[ We claim:] [1.] A motor-driven compressor-electronic power package assembly, comprisingan electric motor and a rotating shaft driven thereby,a compressor wheel driven by said rotating shaft,a central motor housing having an outside wall, and carrying a bearing system for the motor-driven rotating

[ We claim:] [1.] A motor-driven compressor-electronic power package assembly, comprisingan electric motor and a rotating shaft driven thereby,a compressor wheel driven by said rotating shaft,a central motor housing having an outside wall, and carrying a bearing system for the motor-driven rotating shaft,an external housing having an inside wall and an outside wall, the external housing comprising a first portion cooperating with the compressor wheel to generate a flow of compressed air, and a second portion carrying the central motor housing and forming, with its inside wall, an air ducting system with a plurality of straightening and cooling fins,an electronic power package for the electric motor carried by said second external housing portion, andsaid compressor wheel and second external housing portion providing a generally axial flow of compressed air through the air ducting system before exiting said motor-driven compressor through a compressed air outlet and drawing heat from the electric motor and the electronic power package.