CONTAMINANT SEPARATOR FOR A NITROGEN GENERATION SYSTEM AND METHOD OF REMOVING CONTAMINANTS FROM AN AIRSTREAM

摘要

A contaminant separator for a nitrogen generation system includes a swirl vane chamber defined by a chamber wall, the swirl vane chamber configured to receive an air bleed flow. Also included is a vane located within the swirl vane chamber, the vane configured to direct contaminants heavier than air radially outwardly toward the chamber wall. Further included is an ejector defined by an ejector wall, the ejector located downstream of the swirl vane chamber and radially inwardly of the chamber wall. Yet further included is a housing surrounding the ejector and the chamber wall. Also included is a contaminant separating path, the contaminant separating path extending from an inlet comprising an annular gap defined by the chamber wall and the ejector wall, the contaminant separating path extending to an outlet defined by the housing and the ejector wall.

主权项

1. A contaminant separator for a nitrogen generation system comprising:
a swirl vane chamber defined by an inner surface of a first portion of a chamber wall, the swirl vane chamber configured to receive an air bleed flow; a vane located within the swirl vane chamber and operatively coupled to the chamber wall, the vane configured to induce vortices of the air bleed flow within the swirl vane chamber to direct contaminants heavier than air radially outwardly toward the inner surface of the chamber wall; an ejector defined by an ejector wall, the ejector located downstream of the swirl vane chamber and radially inwardly of a second portion of the chamber wall, the second portion of the chamber wall oriented at an angle from the first portion of the chamber wall; a housing surrounding at least a portion of the ejector and at least a portion of the second portion of the chamber wall; and a contaminant separating path having an increasing cross-section area along at least a portion thereof, the contaminant separating path extending from an inlet comprising an annular gap defined by the second portion of the chamber wall and the ejector wall, the contaminant separating path extending to an outlet defined by the housing and the ejector wall.