Importance

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Abstract

A turbo-compressor air supply system for supplying air at relatively low pressure and high volume to a paint spray system or the like. The air supply system comprises a drive motor including a casing, a drive shaft projecting from the casing and air intake means in fluid communication with the casing. A turbo-compressor is provided which includes a housing, a drive shaft having first and second projecting ends, a bearing housing projecting from the compressor housing and disposed concentrically around and spaced from a projecting end of the drive shaft and a bearing disposed concentrically around the projecting end. A drive train couples the compressor drive shaft with the other projecting end of the drive motor drive shaft to enable the motor to drive the turbo-compressor. Means are provided for placing the bearing housing in fluid communication with a drive motor casing and associated air intake means to provide cooling for the bearing.

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First Claim