ES2123409B1 - CLOSED IMPELLER FOR CENTRIFUGAL PUMPS. - Google Patents

CLOSED IMPELLER FOR CENTRIFUGAL PUMPS.

Info

Publication number
ES2123409B1
ES2123409B1 ES9600140A ES9600140A ES2123409B1 ES 2123409 B1 ES2123409 B1 ES 2123409B1 ES 9600140 A ES9600140 A ES 9600140A ES 9600140 A ES9600140 A ES 9600140A ES 2123409 B1 ES2123409 B1 ES 2123409B1
Authority
ES
Spain
Prior art keywords
cube
rim
centrifugal pumps
closed impeller
rotation axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
ES9600140A
Other languages
Spanish (es)
Other versions
ES2123409A1 (en
Inventor
Pages Jose Pages
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bombas Electricas SA BOELSA
Original Assignee
Bombas Electricas SA BOELSA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bombas Electricas SA BOELSA filed Critical Bombas Electricas SA BOELSA
Priority to ES9600140A priority Critical patent/ES2123409B1/en
Publication of ES2123409A1 publication Critical patent/ES2123409A1/en
Application granted granted Critical
Publication of ES2123409B1 publication Critical patent/ES2123409B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

RODETE CERRADO PARA BOMBAS CENTRIFUGAS. COMPRENDE DOS PIEZAS DISCOIDALES (2, 3) COAXIALES CON EL EJE DE ROTACION (4) DE LA BOMBA, DE LAS QUE LA PRIMERA (3) DENOMINADA LLANTA, ES ESENCIALMENTE PLANA, EN TANTO QUE LA SEGUNDA (2), DENOMINADA CUBO, ES SOLIDARIA AL EJE DE ROTACION DE LA BOMBA Y TIENE PRACTICADOS UNA PLURALIDAD DE CANALES (6) HELICOIDALES. EL CUBO (2) ESTA SOLIDARIZADO A LA LLANTA (3) MEDIANTE REMACHADO HACIA FUERA DE LAS RESPECTIVAS EMBOCADURAS EXTERNAS DE UNA PLURALIDAD DE CORTAS PROYECCIONES CILINDRICAS HUECAS (9) PRODUCIDAS POR EMBUTICION EN LA LLANTA Y QUE ESTAN INTRODUCIDAS EN RESPECTIVOS ORIFICIOS (11) PRACTICADOS EN EL FONDO DE LOS ALABES DEL CUBO, DE MODO QUE EL CANTO DE CADA UNA DE DICHAS EMBOCADURAS EXTERNAS DE LAS PROYECCIONES CILINDRICAS DE LA LLANTA QUEDA FUERTEMENTE APLICADO CONTRA EL BORDE DE UN CORRESPONDIENTE ORIFICIO PASANTE DEL CUBO DEL RODETE.CLOSED IMPELLER FOR CENTRIFUGAL PUMPS. IT INCLUDES TWO DISCOIDAL PIECES (2, 3) COAXIAL WITH THE ROTATION AXIS (4) OF THE PUMP, OF WHICH THE FIRST (3) CALLED RIM, ESSENTIALLY FLAT, WHILE THE SECOND (2), CALLED CUBE, IS SOLIDARITY WITH THE PUMP ROTATION AXIS AND IT HAS A PLURALITY OF HELICAL CHANNELS (6). THE CUBE (2) IS SOLIDARIZED TO THE RIM (3) BY RIVETING OUT OF THE RESPECTIVE EXTERNAL HOLES OF A PLURALITY OF SHORT CYLINDRICAL HOLLOW PROJECTIONS (9) CAUSED BY INDUCTION INTO THE RIM AND WHICH ARE INTRODUCED IN THE BACKGROUND OF THE CUBE WINGS, SO THAT THE SONG OF EACH OF SUCH EXTERNAL MOVES OF THE CYLINDRICAL PROJECTIONS OF THE RIM IS STRONGLY APPLIED AGAINST THE EDGE OF A CORRESPONDING PASSING HOLE OF THE RODETTE CUBE.

ES9600140A 1996-01-23 1996-01-23 CLOSED IMPELLER FOR CENTRIFUGAL PUMPS. Expired - Fee Related ES2123409B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9600140A ES2123409B1 (en) 1996-01-23 1996-01-23 CLOSED IMPELLER FOR CENTRIFUGAL PUMPS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9600140A ES2123409B1 (en) 1996-01-23 1996-01-23 CLOSED IMPELLER FOR CENTRIFUGAL PUMPS.

Publications (2)

Publication Number Publication Date
ES2123409A1 ES2123409A1 (en) 1999-01-01
ES2123409B1 true ES2123409B1 (en) 1999-08-16

Family

ID=8293513

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9600140A Expired - Fee Related ES2123409B1 (en) 1996-01-23 1996-01-23 CLOSED IMPELLER FOR CENTRIFUGAL PUMPS.

Country Status (1)

Country Link
ES (1) ES2123409B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3889437A1 (en) * 2020-03-31 2021-10-06 Pedrollo S.p.a. Impeller assembly for a centrifugal pump

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB789674A (en) * 1954-12-03 1958-01-29 Plessey Co Ltd Improvements in or relating to impellers
FR1465334A (en) * 1966-01-25 1967-01-06 Armstrong Ltd S A Paddle wheel
US4174559A (en) * 1978-02-09 1979-11-20 J.J. & M. Fastening method
US4793771A (en) * 1987-11-09 1988-12-27 Laing Karsten A Impeller for spherical pumps
EP0456632B1 (en) * 1990-05-09 1995-01-04 Pumpenfabrik Ernst Vogel Gesellschaft m.b.H. Method of manufacturing for impeller of centrifugal pump and this impeller

Also Published As

Publication number Publication date
ES2123409A1 (en) 1999-01-01

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