JPS6069211A - Radial turbine - Google Patents
Radial turbineInfo
- Publication number
- JPS6069211A JPS6069211A JP15502683A JP15502683A JPS6069211A JP S6069211 A JPS6069211 A JP S6069211A JP 15502683 A JP15502683 A JP 15502683A JP 15502683 A JP15502683 A JP 15502683A JP S6069211 A JPS6069211 A JP S6069211A
- Authority
- JP
- Japan
- Prior art keywords
- blades
- radial turbine
- disk
- vibration
- protrusion
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
- F01D5/043—Blade-carrying members, e.g. rotors for radial-flow machines or engines of the axial inlet- radial outlet, or vice versa, type
- F01D5/048—Form or construction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
【発明の詳細な説明】 この発明はラジアルタービン、ラジアルタンブツ ン六す、等の遠心形ターボ機械に関するものである。[Detailed description of the invention] This invention is a radial turbine, a radial tumbutton The invention relates to centrifugal turbomachines such as engines, trucks, etc.
第１図において従来のラジアルタービンの動翼０１は翼
０３０枚数が少いため、背面ディスク０４の翼０３間の
ボス０２の軸方向の振動による破壊をさけるため、翼０
３間の距離の大きな外周部では、背面ディスク０４を取
り除いている。In FIG. 1, the rotor blades 01 of the conventional radial turbine have a small number of blades 030, so in order to avoid damage due to axial vibration of the boss 02 between the blades 03 of the rear disk 04,
The rear disk 04 is removed from the outer periphery where the distance between the disks 3 and 3 is large.
背面ディスク０４を取シ除くと、流路形状が歪ムげかり
でなく、バックプレート０５と動翼０１間の隙間と主流
との仕切りができなくなり、タービンの効率低下を生じ
る。If the back disk 04 is removed, the shape of the flow path will not be distorted, and the gap between the back plate 05 and the rotor blades 01 will no longer be partitioned from the main stream, resulting in a decrease in turbine efficiency.
この対策として、翼枚数を増すことが考えられるが、回
転時の遠心応力に耐えるだけの根元の翼厚がいるため翼
数の増加には限度がある。As a countermeasure to this problem, increasing the number of blades may be considered, but there is a limit to increasing the number of blades because the root of the blade must be thick enough to withstand centrifugal stress during rotation.
この発明は上記状況に鑑み、背面ディスクを補強し、回
転軸方向の背面ディスクの振動を抑制することを目的と
するものである。In view of the above-mentioned circumstances, the present invention aims at reinforcing the rear disk and suppressing vibration of the rear disk in the direction of the rotation axis.
この発明は背面ディスクの翼間の少くとも一方の面に突
条を設けて、背面ディスクの剛性を増し、背面ディスク
の振動による破壊を防止することを特徴とするラジアル
タービンに係るものでアル。This invention relates to a radial turbine characterized in that a protrusion is provided on at least one surface between the blades of the rear disk to increase the rigidity of the rear disk and prevent the rear disk from being destroyed by vibration.
この発明の第１実施例を第３図〜第５図により説明する
。ラジアルタービンの動翼１は、ボス２の側面に背面デ
ィスク４を設け、背面ディスクの上面に複数の翼３を設
ける。背面ディスク４の流路側の翼３間に突条６を設け
る。々お図中５はバックプレートを示す。又突条６は遠
心力を受けるので、外径側が厚くする等の応力対策をす
る方が望ましい。A first embodiment of this invention will be described with reference to FIGS. 3 to 5. A rotor blade 1 of a radial turbine has a back surface disk 4 provided on the side surface of a boss 2, and a plurality of blades 3 provided on the upper surface of the back surface disk. A protrusion 6 is provided between the blades 3 on the flow path side of the back surface disk 4. 5 in each figure indicates a back plate. Furthermore, since the protrusion 6 is subjected to centrifugal force, it is desirable to take countermeasures against stress, such as making the outer diameter side thicker.
次に第２実施例を第６図、第７図により説明する。この
実施例は大略の構成は前記第１実施例と同じであるが背
面ディスク４０バツクプレート５側に突条６を設ける。Next, a second embodiment will be explained with reference to FIGS. 6 and 7. This embodiment has roughly the same structure as the first embodiment, but a protrusion 6 is provided on the back plate 5 side of the rear disc 40.
本発明は背面ディスク４の流路側、又はバックプレート
側の翼間に、突条６を設けることにより背面ディスク４
０回転方向に対する剛性が向上し、背面ディスク４の回
転方向の振動が抑制され、振動による破壊が防止できる
。The present invention provides a projection 6 between the blades on the flow path side or the back plate side of the back surface disk 4.
The rigidity in the 0 rotation direction is improved, vibration in the rotation direction of the back disk 4 is suppressed, and destruction due to vibration can be prevented.
第１図は従来例の縦断正面図、第２図は第１図の■−七
線断面図、第３図は本発明の縦断正面図、第４図は第３
図のＩＴ−ＩＶ線断面図、第５図は第３図のｖ−ｖ線断
面図、第６図は本発明の他の実施例の縦断正面図、第７
図は第６図の■−■線断面図である。
１・・動翼、２・・ボス、３・・翼、４・・背面ディス
ク、５・・バックプレート、６・・突条。
（３）
１ 図
丁
ｆｆ″″□
完 ２．図
隼３ 図
７
一７
第４図
算 ５ 図
特開昭ＧＯ−６９２１１（３）
第６ 図
第７図
１コムFig. 1 is a longitudinal sectional front view of the conventional example, Fig. 2 is a sectional view taken along the line -7 in Fig. 1, Fig. 3 is a longitudinal sectional front view of the present invention, and Fig. 4 is a longitudinal sectional view of the conventional example.
5 is a sectional view taken along the line v-v in FIG. 3, FIG. 6 is a longitudinal sectional front view of another embodiment of the present invention, and FIG.
The figure is a sectional view taken along the line ■--■ in FIG. 6. 1. Moving blade, 2. Boss, 3. Wing, 4. Back disk, 5. Back plate, 6. Projection. (3) 1 Illustration ff″″□ Complete 2. Figure Hayabusa 3 Figure 7 17 4 Figure Arithmetic 5 Figure JP-A-Sho GO-69211 (3) Figure 6 Figure 7 Figure 1 Com
Claims (1)
、背面ディスクの剛性を増し、背面ディスクの振動によ
る破壊を防止することを特徴とするラジアルタービン。A radial turbine characterized in that the space between the blades of the rear disk is small and a protrusion is provided on one side to increase the rigidity of the rear disk and prevent the rear disk from being destroyed by vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15502683A JPS6069211A (en) | 1983-08-26 | 1983-08-26 | Radial turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15502683A JPS6069211A (en) | 1983-08-26 | 1983-08-26 | Radial turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6069211A true JPS6069211A (en) | 1985-04-19 |
| JPH0425401B2 JPH0425401B2 (en) | 1992-04-30 |
Family
ID=15597041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15502683A Granted JPS6069211A (en) | 1983-08-26 | 1983-08-26 | Radial turbine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6069211A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990002265A1 (en) * | 1988-08-16 | 1990-03-08 | Dresser-Rand Company | Partial height blades in a compressor impeller |
| WO1992013197A1 (en) * | 1991-01-15 | 1992-08-06 | Northern Research & Engineering Corporation | Arbitrary hub for centrifugal impellers |
| US5215439A (en) * | 1991-01-15 | 1993-06-01 | Northern Research & Engineering Corp. | Arbitrary hub for centrifugal impellers |
| US20110206518A1 (en) * | 2008-09-05 | 2011-08-25 | Alstom Hydro France | Francis-type runner for a hydraulic machine, hydraulic machine including such a runner, and method for assembling such a runner |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5012109U (en) * | 1973-05-30 | 1975-02-07 | ||
| JPS55149501U (en) * | 1979-04-16 | 1980-10-28 | ||
| JPS5713801U (en) * | 1980-06-30 | 1982-01-23 | ||
| JPS57127804U (en) * | 1981-02-04 | 1982-08-09 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT960557B (en) * | 1972-05-09 | 1973-11-30 | Marposs App Elett | DEVICE FOR THE TRANSPORT AND CONTROL OF MECHANICAL PARTS PARTICULARLY USED ON AUTOMATIC MEASURING MACHINES |
-
1983
- 1983-08-26 JP JP15502683A patent/JPS6069211A/en active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5012109U (en) * | 1973-05-30 | 1975-02-07 | ||
| JPS55149501U (en) * | 1979-04-16 | 1980-10-28 | ||
| JPS5713801U (en) * | 1980-06-30 | 1982-01-23 | ||
| JPS57127804U (en) * | 1981-02-04 | 1982-08-09 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990002265A1 (en) * | 1988-08-16 | 1990-03-08 | Dresser-Rand Company | Partial height blades in a compressor impeller |
| WO1992013197A1 (en) * | 1991-01-15 | 1992-08-06 | Northern Research & Engineering Corporation | Arbitrary hub for centrifugal impellers |
| US5215439A (en) * | 1991-01-15 | 1993-06-01 | Northern Research & Engineering Corp. | Arbitrary hub for centrifugal impellers |
| US20110206518A1 (en) * | 2008-09-05 | 2011-08-25 | Alstom Hydro France | Francis-type runner for a hydraulic machine, hydraulic machine including such a runner, and method for assembling such a runner |
| US9175662B2 (en) * | 2008-09-05 | 2015-11-03 | Alstom Renewable Technologies | Francis-type runner for a hydraulic machine, hydraulic machine including such a runner, and method for assembling such a runner |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0425401B2 (en) | 1992-04-30 |
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