Multi-stage centrifugal pump unit

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United States of America Patent

PATENT NO 9879680
SERIAL NO

13433398

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Abstract

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A multi-stage centrifugal pump assembly includes at least two impellers (2, 6) and two impeller groups (4, 8) which are consecutive in a flow direction and each with at least one impeller (2, 6). A backflow channel (24) connects an exit side of the first impeller group (4) to an entry side thereof is located in a first impeller group (4) of the two impeller groups (4, 8).

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Patent Owner(s)

Patent OwnerAddress
GRUNDFOS MANAGEMENT A/S8850 BJERRINGBRO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bruhn, Aage Bjerringbro, DK 5 19
Jensen, Bo Møller Viborg, DK 1 7
Mikkelsen, Steen Bjerringbro, DK 31 178

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