JPH046591U - - Google Patents
Info
- Publication number
- JPH046591U JPH046591U JP4299590U JP4299590U JPH046591U JP H046591 U JPH046591 U JP H046591U JP 4299590 U JP4299590 U JP 4299590U JP 4299590 U JP4299590 U JP 4299590U JP H046591 U JPH046591 U JP H046591U
- Authority
- JP
- Japan
- Prior art keywords
- vacuum pump
- black body
- blades
- subjected
- atmospheric pressure
- 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
- Non-Positive Displacement Air Blowers (AREA)
Description
第１図は本考案に係る真空ポンプの一実施例を
示す縦断面図、第２図はスパイラル溝を具えた翼
片の平面図、第３図は従来の真空ポンプの縦断面
図である。
１……動翼、５……静翼、９……黒体化処理面
。
FIG. 1 is a longitudinal cross-sectional view showing an embodiment of a vacuum pump according to the present invention, FIG. 2 is a plan view of a blade having a spiral groove, and FIG. 3 is a longitudinal cross-sectional view of a conventional vacuum pump. 1... Moving blade, 5... Stationary blade, 9... Black body treated surface.
Claims (1)
において、動翼と静翼の対向面に夫々黒体化処理
が施されてなることを特徴とする真空ポンプ。 A vacuum pump that pumps air from near atmospheric pressure to high vacuum, characterized in that the opposing surfaces of moving blades and stationary blades are each subjected to black body treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990042995U JPH0754638Y2 (en) | 1990-04-24 | 1990-04-24 | Vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990042995U JPH0754638Y2 (en) | 1990-04-24 | 1990-04-24 | Vacuum pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH046591U true JPH046591U (en) | 1992-01-21 |
| JPH0754638Y2 JPH0754638Y2 (en) | 1995-12-18 |
Family
ID=31555029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990042995U Expired - Lifetime JPH0754638Y2 (en) | 1990-04-24 | 1990-04-24 | Vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0754638Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015098275A1 (en) * | 2013-12-26 | 2015-07-02 | エドワーズ株式会社 | Vacuum exhaust mechanism, compound vacuum pump, and rotating body component |
| JP2024080600A (en) * | 2022-12-01 | 2024-06-13 | プファイファー・ヴァキューム・テクノロジー・アクチエンゲゼルシャフト | Vacuum pump and method for manufacturing a stator part for a vacuum pump stator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63128287U (en) * | 1987-02-16 | 1988-08-22 |
-
1990
- 1990-04-24 JP JP1990042995U patent/JPH0754638Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63128287U (en) * | 1987-02-16 | 1988-08-22 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015098275A1 (en) * | 2013-12-26 | 2015-07-02 | エドワーズ株式会社 | Vacuum exhaust mechanism, compound vacuum pump, and rotating body component |
| JP2015124656A (en) * | 2013-12-26 | 2015-07-06 | エドワーズ株式会社 | Vacuum exhaust mechanism, composite vacuum pump and rotor parts |
| JP2024080600A (en) * | 2022-12-01 | 2024-06-13 | プファイファー・ヴァキューム・テクノロジー・アクチエンゲゼルシャフト | Vacuum pump and method for manufacturing a stator part for a vacuum pump stator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0754638Y2 (en) | 1995-12-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |