Patent ID: 7874789
Filing Date: 2011-01-25
Classification: F04D,F05D

Abstract:
1. A housing for a compressor, the compressor having a duct defining a main gas flow axis and blades that draw a fluid through the duct and impart thereto a momentum along a main gas flow direction and a swirl, said housing comprising: a volute configured to extend substantially circumferentially around and fluidly communicate with the duct, said volute being configured to direct a fluid portion flowing thereinto from the duct to have a velocity with a component in a first circumferential direction generally aligned with the swirl; and at least one conduit in fluid communication with said volute and configured to redirect the fluid portion to have a velocity with a first component along the main gas flow axis in a direction opposite the main gas flow direction and a second component in a second circumferential direction opposite to the first circumferential direction.