GB894893A - Improvements in centrifugal fans - Google Patents
Improvements in centrifugal fansInfo
- Publication number
- GB894893A GB894893A GB21841/59A GB2184159A GB894893A GB 894893 A GB894893 A GB 894893A GB 21841/59 A GB21841/59 A GB 21841/59A GB 2184159 A GB2184159 A GB 2184159A GB 894893 A GB894893 A GB 894893A
- Authority
- GB
- United Kingdom
- Prior art keywords
- blade
- front side
- impeller
- centrifugal fans
- blade part
- 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
- F04D29/26—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
- F04D29/289—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps having provision against erosion or for dust-separation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
894,893. Centrifugal fans. SVENSKA FLAKTFABRIKEN A.B. June 25, 1959 [July 8, 1958], No. 21841/59. Class 110 (1). In a centrifugal fan handling air or gases containing abrasive material, each blade comprises two parts 3a, 4a mutually displaced in the circumferential direction and overlapping in the longitudinal direction by an amount L at least equal to the mutual displacement d, which in turn is approximately 5 to 15%, preferably 10%, of the blade pitch D. On rotation of the fan impeller in the direction of the arrow, dust entrained in the gas stream is concentrated against the front side of each blade part 3a and flows along the rear side of each blade part 4a and leaves the periphery of the impeller without impinging on the front side of the following blade. This reduces erosive wear.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE894893X | 1958-07-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB894893A true GB894893A (en) | 1962-04-26 |
Family
ID=20378023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB21841/59A Expired GB894893A (en) | 1958-07-08 | 1959-06-25 | Improvements in centrifugal fans |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB894893A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5125799A (en) * | 1989-11-22 | 1992-06-30 | Atsugi Unisia Corporation | Impeller structure for pump |
US6007300A (en) * | 1996-05-17 | 1999-12-28 | Calsonic Corporation | Centrifugal multiblade fan |
EP1961970A1 (en) | 2007-02-26 | 2008-08-27 | Josip Pavetic | Radial fan and radial blower fitter with locking protection and radial fan |
-
1959
- 1959-06-25 GB GB21841/59A patent/GB894893A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5125799A (en) * | 1989-11-22 | 1992-06-30 | Atsugi Unisia Corporation | Impeller structure for pump |
US6007300A (en) * | 1996-05-17 | 1999-12-28 | Calsonic Corporation | Centrifugal multiblade fan |
EP1961970A1 (en) | 2007-02-26 | 2008-08-27 | Josip Pavetic | Radial fan and radial blower fitter with locking protection and radial fan |
EP1961968A1 (en) * | 2007-02-26 | 2008-08-27 | Josip Pavetic | Radial fan wheel and radial fan incorporating the same with locking protection |
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