Regenerative pump

F - Mech Eng,Light,Heat,Weapons – 04 – D

Patent

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Details

F04D 23/00 (2006.01) F01D 1/12 (2006.01) F04D 29/16 (2006.01)

Patent

CA 2142853

2142853 9404826 PCTABS00030 A regenerative pump comprising a casing (11) with an inlet port (2), an impeller (3) having a plurality of blades (14), with each blade (14) provided with an inner edge (26) and an outer edge (25) in the radial direction of the impeller (3) to generate upon rotation multi-stage compression of the admitted fluid, and an outlet port (5) for discharge of fluid compressed by the pump from the casing (11). The inlet port (2) is isolated from the outlet port (5) by a stripper portion (6). The stripper portion (6) and the blades (14) are configured such that said outlet edge (25) of each blade (14) enters the stripper portion (6) after said inner edge (26) thereof.

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