JPH02118187U - - Google Patents
Info
- Publication number
- JPH02118187U JPH02118187U JP2745189U JP2745189U JPH02118187U JP H02118187 U JPH02118187 U JP H02118187U JP 2745189 U JP2745189 U JP 2745189U JP 2745189 U JP2745189 U JP 2745189U JP H02118187 U JPH02118187 U JP H02118187U
- Authority
- JP
- Japan
- Prior art keywords
- turbine
- vane
- grooves
- circumferential direction
- large number
- 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
- 238000013459 approach Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 239000011295 pitch Substances 0.000 claims 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図はこの考案に係るタービン型ポンプの一
実施例を示す断面図、第２図はその凹溝部分の断
面図、第３図はこのポンプで発生する高周波騒音
を従来のものと比較して示す特性図、第４図はこ
の考案の異なる実施例を示す断面図、第５図はタ
ービン型ポンプの一般的な構成を示す要部の説明
図である。
１……ケーシング、２……吸入ポート、３……
吐出ポート、５……タービンベーン、７……モー
タ部、８……アーマチユア、１５……凹溝、１６
……突起部。
Fig. 1 is a sectional view showing an embodiment of the turbine type pump according to this invention, Fig. 2 is a sectional view of its groove portion, and Fig. 3 is a comparison of the high frequency noise generated by this pump with that of a conventional pump. FIG. 4 is a sectional view showing a different embodiment of the invention, and FIG. 5 is an explanatory view of the main parts showing the general configuration of a turbine type pump. 1...Casing, 2...Suction port, 3...
Discharge port, 5... Turbine vane, 7... Motor section, 8... Armature, 15... Concave groove, 16
……protrusion.
Claims (1)
ンベーンを有し、かつこのタービンベーンを駆動
するモータ部を通して流体が通流するタービン型
ポンプにおいて、上記モータ部のアーマチユアに
、周方向に沿つて不等ピッチで多数の凹溝を刻設
し、かつ周方向の一部で上記凹溝に微小クリアラ
ンスを介して近接する突起部を、ケーシング側に
形成したことを特徴とするタービン型ポンプ。 In a turbine type pump having a turbine vane with a large number of vane parts formed on the outer periphery, and in which fluid flows through a motor part that drives the turbine vane, the armature of the motor part is provided with an armature along the circumferential direction. 1. A turbine pump characterized in that a large number of grooves are carved at uneven pitches, and a protrusion is formed on a casing side in a part of the circumferential direction that approaches the grooves with a minute clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2745189U JPH02118187U (en) | 1989-03-10 | 1989-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2745189U JPH02118187U (en) | 1989-03-10 | 1989-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02118187U true JPH02118187U (en) | 1990-09-21 |
Family
ID=31249955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2745189U Pending JPH02118187U (en) | 1989-03-10 | 1989-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02118187U (en) |
-
1989
- 1989-03-10 JP JP2745189U patent/JPH02118187U/ja active Pending