Fan inlet diffuser housing riveted center body retention

Patent metadata

Field	Value
Publication number	US-8979490-B2
Application number	US-201113248886-A
Country	US
Kind code	B2
Filing date	Sep 29, 2011
Priority date	Sep 29, 2011
Publication date	Mar 17, 2015
Grant date	Mar 17, 2015

Abstract

A fan inlet diffuser housing system includes an air cycle machine, a housing coupled to the air cycle machine, an inlet fan disposed on the air cycle machine and configured to pass inlet air into the fan inlet diffuser housing, a center tube disposed in the housing, a diffuser cone disposed around the center tube, an inboard strut supporting the inner tube within the diffuser cone, and an outboard strut supporting the inner tube within the diffuser cone, the outboard strut being integral with the diffuser cone, wherein the inboard strut is coupled to the inner tube with a first plurality of mechanical fasteners, and the outboard strut is coupled to the inner tube with a second plurality of mechanical fasteners.

First claim

The invention claimed is:

1. A fan inlet diffuser housing (FIDH) system, comprising:
an air cycle machine (ACM);
an FIDH housing coupled to the ACM;
an inlet fan disposed on the ACM and configured to pass inlet air into the FIDH;
a center tube disposed in the FIDH housing, wherein the center tube further comprises acoustical foam disposed therein;
a diffuser cone disposed around at least a portion of the center tube;
an inboard strut supporting the center tube within th…

Assignees

• Beers Craig M
• Rosen Seth E
• Hamilton Sundstrand Corp

Inventors

• Beers Craig M
• Rosen Seth E

Classifications

• F04D29/664

  Mechanical Engineering · mapped topic

• F04D29/545 Primary

  Mechanical Engineering · mapped topic

• Y10T29/49236

  Cross-Sectional Technologies · mapped topic