Patent 9611784 was granted and assigned to Hamilton Sundstrand on April, 2017 by the United States Patent and Trademark Office.
A seal assembly of an air cycle machine includes a seal plate with an outer diameter. A bore extends axially through a center of the seal plate and a seal land is disposed at least partially within the bore. The seal land includes an inner diameter and a minimum ratio between the inner diameter of the seal land and the outer diameter of the seal plate is approximately 0.1985.