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
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.
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)
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)
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 |
-
1996
- 1996-01-23 ES ES9600140A patent/ES2123409B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2123409A1 (en) | 1999-01-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 19990101 Kind code of ref document: A1 Effective date: 19990101 |
|
FD1A | Patent lapsed |
Effective date: 20040503 |