JPS6278394U - - Google Patents
Info
- Publication number
- JPS6278394U JPS6278394U JP16985585U JP16985585U JPS6278394U JP S6278394 U JPS6278394 U JP S6278394U JP 16985585 U JP16985585 U JP 16985585U JP 16985585 U JP16985585 U JP 16985585U JP S6278394 U JPS6278394 U JP S6278394U
- Authority
- JP
- Japan
- Prior art keywords
- impeller
- mechanical seal
- boss part
- space
- bored
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案の一実施例を示す縦断面図、第
２図および第３図は同要部正面図、第４図は従来
構造を示す要部縦断面図である。
１……ハウジング、１′……径方向面、３……
シヤフト、４……インペラー、４ａ……ボス部、
４ｂ……回転羽根、５ａ……メカニカルシール近
傍空間、５ｂ……他側空間、６……メカニカルシ
ール、７……バランスホール、８……スパイラル
溝。
FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention, FIGS. 2 and 3 are front views of the same, and FIG. 4 is a longitudinal sectional view of the main parts of the conventional structure. 1...Housing, 1'...Radial surface, 3...
Shaft, 4... impeller, 4a... boss section,
4b... Rotating vane, 5a... Mechanical seal vicinity space, 5b... Other side space, 6... Mechanical seal, 7... Balance hole, 8... Spiral groove.
Claims (1)
、該インペラーを挾むメカニカルシール近傍空間
と他側空間とを連通せしめるバランスホールを穿
設貫通し、かつ前記ボス部と対向するポンプハウ
ジングのメカニカルシール外径側径方向面に、イ
ンペラーの回転方向に対して内径側へ収束するご
とく傾斜する所要数のスパイラル溝を凹設したこ
とを特徴とするポンプ。 A balance hole that connects the space near the mechanical seal sandwiching the impeller with the space on the other side is bored and penetrated at a required position in the circumferential direction of the boss part of the impeller, and the outer diameter of the mechanical seal of the pump housing that faces the boss part. A pump characterized in that a required number of spiral grooves are formed in a radial side surface of the impeller so as to converge toward the inner diameter side with respect to the rotational direction of the impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985169855U JPH025119Y2 (en) | 1985-11-06 | 1985-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985169855U JPH025119Y2 (en) | 1985-11-06 | 1985-11-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6278394U true JPS6278394U (en) | 1987-05-19 |
| JPH025119Y2 JPH025119Y2 (en) | 1990-02-07 |
Family
ID=31104042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985169855U Expired JPH025119Y2 (en) | 1985-11-06 | 1985-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH025119Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS648598U (en) * | 1987-07-06 | 1989-01-18 |
-
1985
- 1985-11-06 JP JP1985169855U patent/JPH025119Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS648598U (en) * | 1987-07-06 | 1989-01-18 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH025119Y2 (en) | 1990-02-07 |
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