Patent ID: 9469406
Filing Date: 2016-10-18
CPC Classification: B64D,F04D,G01B,Y02T

Claim Text:
1. A method of installing a diffuser in an air cycle machine, the method comprising: placing a first housing on a shaft; placing a seal plate on the shaft; placing a diffuser on the shaft; aligning the diffuser and the sea plate with an alignment tool, wherein the alignment tool has a first annular surface to align with a radially outer surface of the sea plate and a second annular surface to align with an annular flange on the diffuser; placing a timing pin in the diffuser through a pin aperture in the seal plate and a pin aperture in the alignment tool to line up fastener apertures in the diffuser with fastener apertures in the seal plate; fastening the diffuser to the seal plate; and removing the alignment tool from the diffuser and the seal plate.