JPH0244076Y2 - - Google Patents
Info
- Publication number
- JPH0244076Y2 JPH0244076Y2 JP9577389U JP9577389U JPH0244076Y2 JP H0244076 Y2 JPH0244076 Y2 JP H0244076Y2 JP 9577389 U JP9577389 U JP 9577389U JP 9577389 U JP9577389 U JP 9577389U JP H0244076 Y2 JPH0244076 Y2 JP H0244076Y2
- Authority
- JP
- Japan
- Prior art keywords
- impeller
- port
- stage
- vacuum pump
- discharge port
- 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.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9577389U JPH0244076Y2 (uk) | 1989-08-17 | 1989-08-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9577389U JPH0244076Y2 (uk) | 1989-08-17 | 1989-08-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0243493U JPH0243493U (uk) | 1990-03-26 |
| JPH0244076Y2 true JPH0244076Y2 (uk) | 1990-11-22 |
Family
ID=31320486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9577389U Expired JPH0244076Y2 (uk) | 1989-08-17 | 1989-08-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0244076Y2 (uk) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110199125B (zh) | 2017-01-30 | 2022-02-01 | 株式会社荏原制作所 | 两级液封式真空泵以及液封式真空泵 |
-
1989
- 1989-08-17 JP JP9577389U patent/JPH0244076Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0243493U (uk) | 1990-03-26 |
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