JPS5512284A - Production of impeller of low discharge and high lift head - Google Patents
Production of impeller of low discharge and high lift headInfo
- Publication number
- JPS5512284A JPS5512284A JP8583078A JP8583078A JPS5512284A JP S5512284 A JPS5512284 A JP S5512284A JP 8583078 A JP8583078 A JP 8583078A JP 8583078 A JP8583078 A JP 8583078A JP S5512284 A JPS5512284 A JP S5512284A
- Authority
- JP
- Japan
- Prior art keywords
- impeller
- shrouds
- high lift
- low discharge
- lift head
- 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.)
- Pending
Links
Abstract
PURPOSE: To obtain required impellers of low discharge and high lift head by determing clearance between two shrouds, by means of mold punching of the two shrounders and an impeller.
CONSTITUTION: Two shrouds 1 and 2, front and end, are punched out of weldable metal plates of a certain thickness, with an impelle inflow opening 5 and a revolving shaft fitting hole 6, etc. Another weldable metal plate of the thickness identical with the required clearance between the shrouds 1 and 2 is punched into an impeller of desired shape, and its both surface are provided with required numbers of small pits 4 made from pressing applied from one side. The pressing makes small projections 4 on a reverse surface at the same time. Then, such an impeller 3 is put between the shrouders 1 and 2, at a designed position and they are welded together, at the top of the small projectios 4 provided on the impeller 3. By welding needed number of such an impeller 3 at designes position between front and end shrouds 1 and 2, it is possible to obtain any distance between two shrouds, for instance, less than 1mm.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8583078A JPS5512284A (en) | 1978-07-13 | 1978-07-13 | Production of impeller of low discharge and high lift head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8583078A JPS5512284A (en) | 1978-07-13 | 1978-07-13 | Production of impeller of low discharge and high lift head |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5512284A true JPS5512284A (en) | 1980-01-28 |
Family
ID=13869760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8583078A Pending JPS5512284A (en) | 1978-07-13 | 1978-07-13 | Production of impeller of low discharge and high lift head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5512284A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6537456B2 (en) | 1996-08-12 | 2003-03-25 | Debasish Mukhopadhyay | Method and apparatus for high efficiency reverse osmosis operation |
-
1978
- 1978-07-13 JP JP8583078A patent/JPS5512284A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6537456B2 (en) | 1996-08-12 | 2003-03-25 | Debasish Mukhopadhyay | Method and apparatus for high efficiency reverse osmosis operation |
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