Patent ID: 6789382
Filing Date: 2004-09-14
Classification: D01H

Abstract:
An apparatus for producing yarn spun from a loose fibre array using a vortex flow comprising:a fibre supply duct having an outlet opening; a vortex chamber in communication with the outlet opening of the fibre supply duct; a yarn take-off duct having an inlet opening in communication with the vortex chamber; a nozzle in communication with the vortex chamber configured for injecting a fluid into the vortex chamber to cause a vortex flow in the vortex chamber; an exhaust duct in communication with the vortex chamber configured for draining fluid from the vortex chamber; and a wall at least partially extending between the vortex chamber and the exhaust duct separating the vortex chamber from the exhaust duct, the wall having at least one opening therein allowing for communication between the exhaust duct and the vortex chamber.