JPS5564194A - Impeller - Google Patents
ImpellerInfo
- Publication number
- JPS5564194A JPS5564194A JP13789978A JP13789978A JPS5564194A JP S5564194 A JPS5564194 A JP S5564194A JP 13789978 A JP13789978 A JP 13789978A JP 13789978 A JP13789978 A JP 13789978A JP S5564194 A JPS5564194 A JP S5564194A
- Authority
- JP
- Japan
- Prior art keywords
- boss
- driving
- impeller
- extended
- core plate
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
PURPOSE: To improve transfer efficiency of a driving torque by utilizing centrifugal force of an impeller, for which the boss inner periphery is extended at driving side but shortened at driven side.
CONSTITUTION: An impeller 6 comprises a boss 3, a core plate 2 mounted on a rotary shaft 1 by way of the boss 3, a vane 4 arrayed in a given number on the core plate 2, and an annular side plate 5 mounted oppositely to the core plate 2 by way of the vane 4, each member being fixed through welding or integrated through casting. The inner periphery of the boss 3 is extended axially on the driving side A at its portion with a constant wall thickness but shortened axially on the driven side B working as a suction side. Namely, only a part of the thickness of a cylindrical portion is extended or shortened axially. When the impeller runs, a centrifugal force arises in the neighborhood of the end 3b of driven side, which intensifies a face pressure on the driving side to keep the shaft 1 and the boss 3 fitted in good condition, thus improving torque driving efficiency.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13789978A JPS5564194A (en) | 1978-11-10 | 1978-11-10 | Impeller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13789978A JPS5564194A (en) | 1978-11-10 | 1978-11-10 | Impeller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5564194A true JPS5564194A (en) | 1980-05-14 |
Family
ID=15209271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13789978A Pending JPS5564194A (en) | 1978-11-10 | 1978-11-10 | Impeller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5564194A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7452187B2 (en) * | 2005-08-09 | 2008-11-18 | Praxair Technology, Inc. | Compressor with large diameter shrouded three dimensional impeller |
US7563074B2 (en) | 2005-09-13 | 2009-07-21 | Ingersoll-Rand Company | Impeller for a centrifugal compressor |
-
1978
- 1978-11-10 JP JP13789978A patent/JPS5564194A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7452187B2 (en) * | 2005-08-09 | 2008-11-18 | Praxair Technology, Inc. | Compressor with large diameter shrouded three dimensional impeller |
US7563074B2 (en) | 2005-09-13 | 2009-07-21 | Ingersoll-Rand Company | Impeller for a centrifugal compressor |
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