Centrifugal pump with reverse rotation protection integrated...

Details Centrifugal pump with reverse rotation protection integrated... Centrifugal pump with reverse rotation protection integrated...

2007-02-27

2007-02-27

Gartenberg, Ehud (Department: 3746)

Pumps

Condition responsive control of drive transmission or pump...

Disconnectable drive element

C416S23600R, C416S23600R

Reexamination Certificate

active

10492587

ABSTRACT:
In a centrifugal pump (10) for liquids comprising an impeller casing (50) inside which a centrifugal impeller (40) is rotatably mounted including a hub (42) from which a plurality of curved blades (44) delimited by two curved edges (44a,44b) extend, from one of the curved edges (44a) of the curved blades (44) a tab (48) extends on the side of the concavity of the blades (44) and is folded in the opposite direction to the blade (44) with respect to a radial plane.

REFERENCES:
patent: 6524078 (2003-02-01), Brooks et al.
patent: 7040860 (2006-05-01), Newman et al.
patent: 0 383 464 (1990-08-01), None
patent: 1 074 744 (2001-02-01), None
International Search Report of the corresponding international publication, completed Jul. 29, 2003, by P. Ingelbrecht, at Rijswijk, and mailed Apr. 8, 2003.

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