NL1013677A1 - Pompinrichting met een pomp van het Roots-type. - Google Patents
Pompinrichting met een pomp van het Roots-type.Info
- Publication number
- NL1013677A1 NL1013677A1 NL1013677A NL1013677A NL1013677A1 NL 1013677 A1 NL1013677 A1 NL 1013677A1 NL 1013677 A NL1013677 A NL 1013677A NL 1013677 A NL1013677 A NL 1013677A NL 1013677 A1 NL1013677 A1 NL 1013677A1
- Authority
- NL
- Netherlands
- Prior art keywords
- pump
- pumping device
- roots type
- roots
- type
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10337216A JP2000161269A (ja) | 1998-11-27 | 1998-11-27 | ルーツポンプ及びポンプ装置 |
JP33721698 | 1998-11-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL1013677A1 true NL1013677A1 (nl) | 2000-05-30 |
NL1013677C2 NL1013677C2 (nl) | 2001-01-30 |
Family
ID=18306541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL1013677A NL1013677C2 (nl) | 1998-11-27 | 1999-11-26 | Pompinrichting met een pomp van het Roots-type. |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP2000161269A (nl) |
KR (1) | KR20000034894A (nl) |
DE (1) | DE19957024A1 (nl) |
NL (1) | NL1013677C2 (nl) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007027318A1 (de) * | 2007-06-14 | 2008-12-18 | Obrist Engineering Gmbh | Rotationskolbenmaschine |
CN101985938A (zh) * | 2010-11-30 | 2011-03-16 | 东北大学 | 一种具有螺杆和罗茨转子的三轴复合干泵 |
CN101985937B (zh) * | 2010-11-30 | 2012-10-17 | 东北大学 | 一种三轴爪型真空泵 |
CN101985935B (zh) * | 2010-11-30 | 2012-12-26 | 东北大学 | 一种三轴罗茨真空泵 |
CN101985936B (zh) * | 2010-11-30 | 2012-06-27 | 东北大学 | 一种非对称爪型真空泵 |
CN103994070A (zh) * | 2014-05-22 | 2014-08-20 | 威海智德真空科技有限公司 | 螺杆真空泵及压缩机的转子星系布局结构 |
CN110594156B (zh) * | 2019-09-23 | 2021-05-25 | 兑通真空技术(上海)有限公司 | 一种三轴多级罗茨泵的驱动结构 |
CN114607600B (zh) * | 2020-12-09 | 2023-03-21 | 东北大学 | 一种新型多级罗茨真空泵 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB504385A (en) * | 1937-09-29 | 1939-04-25 | Fletcher & Winterbottom Ltd | Improvements in or relating to rotary blowers or compressors |
DE1243816B (de) * | 1959-11-04 | 1967-07-06 | Leybolds Nachfolger E | Mehrstufige Drehkolbenvakuumpumpe vom Rootstyp |
GB8617612D0 (en) * | 1986-07-18 | 1986-08-28 | Peabody Holmes Ltd | Gas moving device |
JP2537696B2 (ja) * | 1990-09-21 | 1996-09-25 | 株式会社荏原製作所 | 多段真空ポンプ |
DE19503716C1 (de) * | 1995-02-04 | 1996-03-28 | K Busch Gmbh Druck & Vakuum Dr | Zweiwellige Drehkolbenpumpe zur gleichzeitigen Erzeugung von Unterdruck und von Überdruck |
-
1998
- 1998-11-27 JP JP10337216A patent/JP2000161269A/ja active Pending
-
1999
- 1999-07-29 KR KR1019990031036A patent/KR20000034894A/ko not_active Application Discontinuation
- 1999-11-26 DE DE1999157024 patent/DE19957024A1/de not_active Withdrawn
- 1999-11-26 NL NL1013677A patent/NL1013677C2/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR20000034894A (ko) | 2000-06-26 |
NL1013677C2 (nl) | 2001-01-30 |
JP2000161269A (ja) | 2000-06-13 |
DE19957024A1 (de) | 2000-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AD1A | A request for search or an international type search has been filed | ||
RD2N | Patents in respect of which a decision has been taken or a report has been made (novelty report) |
Effective date: 20000928 |
|
PD2B | A search report has been drawn up | ||
VD1 | Lapsed due to non-payment of the annual fee |
Effective date: 20040601 |