An impeller

Details An impeller An impeller

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/24 (2006.01) F04D 29/28 (2006.01) F04D 29/30 (2006.01)

Patent

CA 2148910

2148910 9411638 PCTABScor01 An impeller comprises a hub (11) around which are attached a number of airfoil shaped blades (12) that are in a space overlapping arrangement with each other. The overlapping arrangement of the blades (12) provides passageways (21) between adjacent pairs of blades (12), the passageways (21) providing a step-down in volume flowing between the inlet and the outlet of the passageways (21).

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