ES8402395A1 - Rotor, means and method of making the same by moulding. - Google Patents
Rotor, means and method of making the same by moulding.Info
- Publication number
- ES8402395A1 ES8402395A1 ES509988A ES509988A ES8402395A1 ES 8402395 A1 ES8402395 A1 ES 8402395A1 ES 509988 A ES509988 A ES 509988A ES 509988 A ES509988 A ES 509988A ES 8402395 A1 ES8402395 A1 ES 8402395A1
- Authority
- ES
- Spain
- Prior art keywords
- pattern
- moulding
- rotor
- making
- same
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Knives (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
A pump impeller comprises a hub surrounded by a web which is a surface of revolution about, and whose imaginary projection intersects, the hub axis, the web carrying helico- centrifugal vanes with both faces of each vane parallel and formed as acute helicoids about the hub axis. The impeller is made by constructing a plastic pattern having vanes 12, using the pattern to form a sand mould, withdrawing the pattern from the sand with a helical movement and then filling the mould cavities with liquid metal.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8105064A FR2501802B1 (en) | 1981-03-13 | 1981-03-13 | BLADE WHEEL AND TOOLS AND METHODS OF MANUFACTURING THEM BY MOLDING |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8402395A1 true ES8402395A1 (en) | 1984-02-16 |
ES509988A0 ES509988A0 (en) | 1984-02-16 |
Family
ID=9256220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES509988A Granted ES509988A0 (en) | 1981-03-13 | 1982-03-01 | MANUFACTURING PROCEDURE OF A WING WHEEL FOR HYDRAULIC USES. |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0061947B1 (en) |
JP (1) | JPS57168094A (en) |
AT (1) | ATE19813T1 (en) |
BE (1) | BE892411A (en) |
CH (1) | CH647582A5 (en) |
DE (1) | DE3271106D1 (en) |
ES (1) | ES509988A0 (en) |
FR (1) | FR2501802B1 (en) |
GB (1) | GB2094896B (en) |
GR (1) | GR74748B (en) |
IT (1) | IT1157639B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63136279U (en) * | 1987-02-26 | 1988-09-07 | ||
FR2703111B1 (en) * | 1993-03-25 | 1995-06-30 | Ozen Sa | ROTOR FOR PUMP COMPRISING TWO WELDED ASSEMBLIES, OBTAINED BY INJECTION MOLDING OF THERMOPLASTIC MATERIALS, AND METHOD FOR MANUFACTURING SUCH A ROTOR. |
GB9620633D0 (en) * | 1996-10-03 | 1996-11-20 | Elta Fans Ltd | Improvements relating to fans |
CN1334767A (en) * | 1998-12-23 | 2002-02-06 | 杰特凡技术有限公司 | Mould for manufacture of fan having hub and plurality of helical blades extending from said hub |
US6663347B2 (en) | 2001-06-06 | 2003-12-16 | Borgwarner, Inc. | Cast titanium compressor wheel |
US7857577B2 (en) | 2007-02-20 | 2010-12-28 | Schlumberger Technology Corporation | System and method of pumping while reducing secondary flow effects |
US20090297344A1 (en) * | 2008-05-30 | 2009-12-03 | Controlled Power Technologies Limited | Rotors and manufacturing methods for rotors |
DE102011011574B4 (en) * | 2011-02-09 | 2015-04-02 | Voith Patent Gmbh | Method for casting a paddle wheel |
CN103551521B (en) * | 2013-11-14 | 2015-07-29 | 宁夏共享集团有限责任公司 | A kind of casting method of guide vane foundry goods |
CN103736932A (en) * | 2013-11-27 | 2014-04-23 | 江苏凯特汽车部件有限公司 | Combination type vehicle aluminum alloy wheel mold core |
CN114951554B (en) * | 2022-06-07 | 2024-06-21 | 成都金顶精密铸造有限公司 | Casting die system of female and male rotors of air compressor |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1378524A (en) * | 1920-08-19 | 1921-05-17 | Stanley S Turner | Core-box for pistons |
DE414518C (en) * | 1920-10-27 | 1925-06-05 | Cameron Steam Pump Works As | Impeller for high pressure centrifugal pumps |
CH301112A (en) * | 1950-10-27 | 1954-08-31 | Maschf Augsburg Nuernberg Ag | Impeller for centrifugal fan with axial inlet and radial outlet. |
US3206807A (en) * | 1964-10-29 | 1965-09-21 | Worthington Corp | Method of and means for making cores for impellers of the francis type |
US3837612A (en) * | 1973-06-01 | 1974-09-24 | Red Jacket Mfg Co | Mold apparatus for mixed flow impeller |
US4231413A (en) * | 1979-02-27 | 1980-11-04 | Graham Bretzger | Assembly for and method of making mold and casting of one-piece impellers |
-
1981
- 1981-03-13 FR FR8105064A patent/FR2501802B1/en not_active Expired
-
1982
- 1982-02-22 CH CH1071/82A patent/CH647582A5/en not_active IP Right Cessation
- 1982-02-24 GR GR67406A patent/GR74748B/el unknown
- 1982-02-24 IT IT12449/82A patent/IT1157639B/en active
- 1982-03-01 ES ES509988A patent/ES509988A0/en active Granted
- 1982-03-05 DE DE8282400385T patent/DE3271106D1/en not_active Expired
- 1982-03-05 EP EP82400385A patent/EP0061947B1/en not_active Expired
- 1982-03-05 AT AT82400385T patent/ATE19813T1/en not_active IP Right Cessation
- 1982-03-08 BE BE6/47620A patent/BE892411A/en not_active IP Right Cessation
- 1982-03-12 JP JP57038197A patent/JPS57168094A/en active Granted
- 1982-03-15 GB GB8207445A patent/GB2094896B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT1157639B (en) | 1987-02-18 |
GB2094896A (en) | 1982-09-22 |
EP0061947A1 (en) | 1982-10-06 |
ATE19813T1 (en) | 1986-05-15 |
JPH0235879B2 (en) | 1990-08-14 |
JPS57168094A (en) | 1982-10-16 |
GR74748B (en) | 1984-07-11 |
IT8212449A0 (en) | 1982-02-24 |
DE3271106D1 (en) | 1986-06-19 |
CH647582A5 (en) | 1985-01-31 |
ES509988A0 (en) | 1984-02-16 |
FR2501802A1 (en) | 1982-09-17 |
GB2094896B (en) | 1985-09-04 |
BE892411A (en) | 1982-09-08 |
FR2501802B1 (en) | 1985-06-07 |
EP0061947B1 (en) | 1986-05-14 |
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