Roue de guidage pour pompes centrifuges

Guide wheel for centrifugal pumps

Führungsrad für Kreiselpumpen


The invention relates to a guide wheel for centrifugal pumps comprising guide ducts in a tendencially radial centripetal direction. Said guide wheel has inlet eyes arranged on the outside of the entrance edge of guide blades around the outer diameter of the impeller and axially extended up to an intermediate position between a wall adjacent to the impeller and a cover wall of the return portion of the guide ducts. Said guide blades are arranged around the outer diameter of the impeller without radial overlappings of the end portion of a guide blade with the initial portion of the subsequent guide blade.




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Patent Citations (4)

    Publication numberPublication dateAssigneeTitle
    EP-0361328-A1April 04, 1990CALPEDA S.p.A.Pompe à jet auto-amorçante avec diffuseur axial
    EP-0401670-A2December 12, 1990Ebara CorporationPompe centrifuge auto-amorçante
    EP-0936356-A1August 18, 1999CALPEDA S.p.A.Self-priming jet pump with flow control device
    US-4564334-AJanuary 14, 1986Klein, Schanzlin & Becker AktiengesellschaftGuide wheel for multistage centrifugal pumps

NO-Patent Citations (0)


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    EP-2628958-A3January 08, 2014E.G.O. ELEKTRO-GERÄTEBAU GmbHRoue directrice pour une pompe et pompe
    RU-2536731-C1December 27, 2014Закрытое Акционерное Общество "Новомет-Пермь"Rotary multistage pump stage
    RU-2591754-C2July 20, 2016Бейкер Хьюз ИнкорпорейтедBlade profile diffuser with local bulge
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