Turbomachine

Details Turbomachine Turbomachine

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 25/24 (2006.01) F01D 11/10 (2006.01) F04D 29/40 (2006.01) F04D 29/42 (2006.01) F04D 29/54 (2006.01) F04D 29/66 (2006.01) F04D 29/68 (2006.01)

Patent

CA 2181106

A turbomachine having an impeller rotating within a casing of the machine and circumferential or axial grooves or passages formed in a wall of the casing between an upstream portion and a downstream portion of the impeller, characterized in that the machine comprises a high pressure fluid injecting means for injecting high pressure fluid into the grooves or passages formed in the casing, thereby increasing the stall margin improvement without lowering the peak efficiency of the machine and preventing generation of a positive slope in a head-capacity curve.

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