JPH01139001U - - Google Patents
Info
- Publication number
- JPH01139001U JPH01139001U JP3443288U JP3443288U JPH01139001U JP H01139001 U JPH01139001 U JP H01139001U JP 3443288 U JP3443288 U JP 3443288U JP 3443288 U JP3443288 U JP 3443288U JP H01139001 U JPH01139001 U JP H01139001U
- Authority
- JP
- Japan
- Prior art keywords
- turbine wheel
- disk
- ring
- shaped protrusion
- present
- 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
- 238000010586 diagram Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 1
Description
第1図は本考案によるタービン翼車の円板の一
例を示す該略外観図、第2図は本考案にしたがつ
てこのタービン翼車円板のリング状突起部に設け
られる奇数個の切込みの配置を示す図、第3図は
本考案が適用されるリング状突起部付きのタービ
ン翼車を示す図、第4図は従来のタービン翼車に
おける円板の振動変形を説明するための図、第5
図は従来のタービン翼車を示す図。第6図及び第
7図は従来例及び本考案によるタービン翼車の円
板振動モードの一例を比較して示す図である。
1……タービン翼車、2……タービン翼車円板
、3……翼、4……節線、5……翼溝、6……リ
ング状突起部、7a〜7g……切込み、8……対
角線。
FIG. 1 is a schematic external view showing an example of a disk of a turbine wheel according to the present invention, and FIG. 2 is an odd number of notches provided in the ring-shaped protrusion of the disk of the turbine wheel according to the present invention. FIG. 3 is a diagram showing a turbine wheel with a ring-shaped protrusion to which the present invention is applied, and FIG. 4 is a diagram for explaining vibration deformation of a disk in a conventional turbine wheel. , 5th
The figure shows a conventional turbine wheel. FIG. 6 and FIG. 7 are diagrams showing a comparative example of disk vibration modes of a conventional example and a turbine wheel according to the present invention. DESCRIPTION OF SYMBOLS 1... Turbine impeller, 2... Turbine impeller disk, 3... Blade, 4... Nodal line, 5... Blade groove, 6... Ring-shaped protrusion, 7a-7g... Notch, 8... …diagonal.
Claims (1)
れているリング状の突起部に、奇数個の切込みを
設けたことを特徴とするタービン翼車。 A turbine wheel characterized in that an odd number of notches are provided in a ring-shaped protrusion formed on the outer circumferential side of a disk in the turbine wheel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3443288U JPH01139001U (en) | 1988-03-17 | 1988-03-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3443288U JPH01139001U (en) | 1988-03-17 | 1988-03-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01139001U true JPH01139001U (en) | 1989-09-22 |
Family
ID=31261143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3443288U Pending JPH01139001U (en) | 1988-03-17 | 1988-03-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01139001U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016080025A1 (en) * | 2014-11-17 | 2016-05-26 | 株式会社Ihi | Axial-flow-machine blade |
-
1988
- 1988-03-17 JP JP3443288U patent/JPH01139001U/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016080025A1 (en) * | 2014-11-17 | 2016-05-26 | 株式会社Ihi | Axial-flow-machine blade |
JP2016094914A (en) * | 2014-11-17 | 2016-05-26 | 株式会社Ihi | Wing of axial flow machine |
US10465555B2 (en) | 2014-11-17 | 2019-11-05 | Ihi Corporation | Airfoil for axial flow machine |
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