JP2021102960A5 - - Google Patents
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- Publication number
- JP2021102960A5 JP2021102960A5 JP2021011798A JP2021011798A JP2021102960A5 JP 2021102960 A5 JP2021102960 A5 JP 2021102960A5 JP 2021011798 A JP2021011798 A JP 2021011798A JP 2021011798 A JP2021011798 A JP 2021011798A JP 2021102960 A5 JP2021102960 A5 JP 2021102960A5
- Authority
- JP
- Japan
- Prior art keywords
- screw
- vacuum pump
- rotor
- type vacuum
- pitch
- 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
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17207558.2 | 2017-12-15 | ||
EP17207558.2A EP3499041B1 (de) | 2017-12-15 | 2017-12-15 | Schraubenvakuumpumpe |
JP2018232382A JP2019143620A (ja) | 2017-12-15 | 2018-12-12 | スクリュー式真空ポンプ |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018232382A Division JP2019143620A (ja) | 2017-12-15 | 2018-12-12 | スクリュー式真空ポンプ |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2021102960A JP2021102960A (ja) | 2021-07-15 |
JP2021102960A5 true JP2021102960A5 (pt) | 2021-08-26 |
JP7339973B2 JP7339973B2 (ja) | 2023-09-06 |
Family
ID=60781573
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018232382A Pending JP2019143620A (ja) | 2017-12-15 | 2018-12-12 | スクリュー式真空ポンプ |
JP2021011798A Active JP7339973B2 (ja) | 2017-12-15 | 2021-01-28 | スクリュー式真空ポンプ |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018232382A Pending JP2019143620A (ja) | 2017-12-15 | 2018-12-12 | スクリュー式真空ポンプ |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3499041B1 (pt) |
JP (2) | JP2019143620A (pt) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06288369A (ja) * | 1993-04-06 | 1994-10-11 | Hitachi Ltd | スクリュー圧縮機の吸入ポート |
JP3831115B2 (ja) * | 1998-04-06 | 2006-10-11 | 大晃機械工業株式会社 | ドライ真空ポンプ |
DE10019637B4 (de) * | 2000-04-19 | 2012-04-26 | Leybold Vakuum Gmbh | Schraubenvakuumpumpe |
US6508639B2 (en) * | 2000-05-26 | 2003-01-21 | Industrial Technology Research Institute | Combination double screw rotor assembly |
JP4853168B2 (ja) * | 2006-08-10 | 2012-01-11 | 株式会社豊田自動織機 | スクリューポンプ |
JP4900270B2 (ja) * | 2008-02-08 | 2012-03-21 | 株式会社豊田自動織機 | スクリュポンプ |
JP2009243280A (ja) * | 2008-03-28 | 2009-10-22 | Hokuetsu Kogyo Co Ltd | スクリュ流体機械用ケーシングの表面処理方法及びスクリュ流体機械用ケーシング |
JP5353521B2 (ja) * | 2009-07-22 | 2013-11-27 | 株式会社豊田自動織機 | スクリューロータ |
DE102011054607A1 (de) * | 2010-10-27 | 2012-06-21 | Gebr. Becker Gmbh | Vakuumpumpe |
DE202016005208U1 (de) * | 2016-08-30 | 2017-12-01 | Leybold Gmbh | Trockenverdichtende Vakuumpumpe |
DE202016005209U1 (de) * | 2016-08-30 | 2017-12-01 | Leybold Gmbh | Schraubenvakuumpumpe |
-
2017
- 2017-12-15 EP EP17207558.2A patent/EP3499041B1/de active Active
-
2018
- 2018-12-12 JP JP2018232382A patent/JP2019143620A/ja active Pending
-
2021
- 2021-01-28 JP JP2021011798A patent/JP7339973B2/ja active Active
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