Patent 9181959 was granted and assigned to Hamilton Sundstrand on November, 2015 by the United States Patent and Trademark Office.
An example housing of a cabin air compressor assembly includes a main body portion and a motor outlet duct extending radially from the main body portion. The motor outlet duct interfaces with the main body portion at an interface area. A ratio of a radius of the interface area to an inner diameter of the motor outlet duct is from 0.113 to 0.162.