EP0408956A3 - Vaned impeller - Google Patents
Vaned impeller Download PDFInfo
- Publication number
- EP0408956A3 EP0408956A3 EP19900112515 EP90112515A EP0408956A3 EP 0408956 A3 EP0408956 A3 EP 0408956A3 EP 19900112515 EP19900112515 EP 19900112515 EP 90112515 A EP90112515 A EP 90112515A EP 0408956 A3 EP0408956 A3 EP 0408956A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- vaned impeller
- radial
- vanes
- hub
- spiral
- 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.)
- Granted
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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/287—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps with adjusting means
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3923779A DE3923779A1 (en) | 1989-07-18 | 1989-07-18 | WING WHEEL |
DE3923779 | 1989-07-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0408956A2 EP0408956A2 (en) | 1991-01-23 |
EP0408956A3 true EP0408956A3 (en) | 1992-01-02 |
EP0408956B1 EP0408956B1 (en) | 1995-01-18 |
Family
ID=6385307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90112515A Expired - Lifetime EP0408956B1 (en) | 1989-07-18 | 1990-06-30 | Vaned impeller |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0408956B1 (en) |
AT (1) | ATE117411T1 (en) |
AU (1) | AU632341B2 (en) |
BR (1) | BR9003426A (en) |
DE (2) | DE3923779A1 (en) |
ES (1) | ES2069630T3 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2809481B1 (en) * | 2000-05-23 | 2002-08-16 | Air Liquide | FAN DESIGNED IN PARTICULAR TO EQUIP A REFRIGERATION TUNNEL WITH PRODUCTS SUCH AS FOOD PRODUCTS AND TUNNEL EQUIPPED WITH A SET OF THESE FANS |
ITMI20021394A1 (en) * | 2002-06-25 | 2003-12-29 | Sol Spa | FROZEN EQUIPMENT ESPECIALLY FOR FOOD PRODUCTS SUITABLE TO LIMIT THE INFLATION OF WET AIR IN THE SURGEL CHAMBER |
US9126176B2 (en) | 2012-05-11 | 2015-09-08 | Caisson Technology Group LLC | Bubble implosion reactor cavitation device, subassembly, and methods for utilizing the same |
CN103452902B (en) * | 2013-08-21 | 2015-12-30 | 谢坤 | Pressurized air gathering-device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1074017A (en) * | 1912-04-24 | 1913-09-23 | William F Rothenberg | Ventilating-fan. |
US2104306A (en) * | 1935-07-10 | 1938-01-04 | Mcleod George Harnett | Screw propeller |
US2385070A (en) * | 1941-10-08 | 1945-09-18 | Gant Leslie | Fan |
DE1033839B (en) * | 1956-03-15 | 1958-07-10 | Rudolf Hingst Dipl Ing | Fan impeller with axial inflow and opposite axial outflow |
DE2627344A1 (en) * | 1976-06-18 | 1977-12-22 | Richard Engels | Noise attenuating type centrifugal fan impeller - has blades between annular intake disc and shallow conical rearward disc overhanging blades and intake disc |
-
1989
- 1989-07-18 DE DE3923779A patent/DE3923779A1/en not_active Withdrawn
-
1990
- 1990-06-30 AT AT90112515T patent/ATE117411T1/en not_active IP Right Cessation
- 1990-06-30 ES ES90112515T patent/ES2069630T3/en not_active Expired - Lifetime
- 1990-06-30 DE DE59008287T patent/DE59008287D1/en not_active Expired - Fee Related
- 1990-06-30 EP EP90112515A patent/EP0408956B1/en not_active Expired - Lifetime
- 1990-07-02 AU AU58094/90A patent/AU632341B2/en not_active Ceased
- 1990-07-16 BR BR909003426A patent/BR9003426A/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1074017A (en) * | 1912-04-24 | 1913-09-23 | William F Rothenberg | Ventilating-fan. |
US2104306A (en) * | 1935-07-10 | 1938-01-04 | Mcleod George Harnett | Screw propeller |
US2385070A (en) * | 1941-10-08 | 1945-09-18 | Gant Leslie | Fan |
DE1033839B (en) * | 1956-03-15 | 1958-07-10 | Rudolf Hingst Dipl Ing | Fan impeller with axial inflow and opposite axial outflow |
DE2627344A1 (en) * | 1976-06-18 | 1977-12-22 | Richard Engels | Noise attenuating type centrifugal fan impeller - has blades between annular intake disc and shallow conical rearward disc overhanging blades and intake disc |
Also Published As
Publication number | Publication date |
---|---|
EP0408956A2 (en) | 1991-01-23 |
BR9003426A (en) | 1991-08-27 |
ATE117411T1 (en) | 1995-02-15 |
AU5809490A (en) | 1991-01-24 |
DE3923779A1 (en) | 1991-01-31 |
DE59008287D1 (en) | 1995-03-02 |
EP0408956B1 (en) | 1995-01-18 |
ES2069630T3 (en) | 1995-05-16 |
AU632341B2 (en) | 1992-12-24 |
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