GB201818600D0 - Molecular drag stage - Google Patents
Molecular drag stageInfo
- Publication number
- GB201818600D0 GB201818600D0 GBGB1818600.7A GB201818600A GB201818600D0 GB 201818600 D0 GB201818600 D0 GB 201818600D0 GB 201818600 A GB201818600 A GB 201818600A GB 201818600 D0 GB201818600 D0 GB 201818600D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- molecular drag
- drag stage
- stage
- molecular
- drag
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
- F04D19/044—Holweck-type pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
- F04D19/042—Turbomolecular vacuum pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
- F04D19/046—Combinations of two or more different types of pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Non-Positive Displacement Air Blowers (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1818600.7A GB2579028A (en) | 2018-11-14 | 2018-11-14 | Molecular drag stage |
EP19804785.4A EP3880969A1 (en) | 2018-11-14 | 2019-11-07 | Motor as molecular drag stage |
PCT/GB2019/053149 WO2020099834A1 (en) | 2018-11-14 | 2019-11-07 | Motor as molecular drag stage |
TW108141279A TW202106979A (en) | 2018-11-14 | 2019-11-13 | Molecular drag stage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1818600.7A GB2579028A (en) | 2018-11-14 | 2018-11-14 | Molecular drag stage |
Publications (2)
Publication Number | Publication Date |
---|---|
GB201818600D0 true GB201818600D0 (en) | 2018-12-26 |
GB2579028A GB2579028A (en) | 2020-06-10 |
Family
ID=64739600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1818600.7A Withdrawn GB2579028A (en) | 2018-11-14 | 2018-11-14 | Molecular drag stage |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3880969A1 (en) |
GB (1) | GB2579028A (en) |
TW (1) | TW202106979A (en) |
WO (1) | WO2020099834A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114076106B (en) * | 2020-08-18 | 2024-03-12 | 佛山市顺德区美的洗涤电器制造有限公司 | Motor assembly, fan and range hood |
GB2607339A (en) * | 2021-06-04 | 2022-12-07 | Edwards Ltd | Holweck drag pump |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL135263C (en) * | 1900-01-01 | |||
US6179573B1 (en) * | 1999-03-24 | 2001-01-30 | Varian, Inc. | Vacuum pump with inverted motor |
ITTO20030421A1 (en) * | 2003-06-05 | 2004-12-06 | Varian Spa | COMPACT VACUUM PUMP |
DE102013214662A1 (en) * | 2013-07-26 | 2015-01-29 | Pfeiffer Vacuum Gmbh | vacuum pump |
DE102014118083A1 (en) * | 2014-12-08 | 2016-06-09 | Pfeiffer Vacuum Gmbh | TURBO MOLECULAR PUMP |
DE102014118881A1 (en) * | 2014-12-17 | 2016-06-23 | Pfeiffer Vacuum Gmbh | vacuum pump |
-
2018
- 2018-11-14 GB GB1818600.7A patent/GB2579028A/en not_active Withdrawn
-
2019
- 2019-11-07 WO PCT/GB2019/053149 patent/WO2020099834A1/en unknown
- 2019-11-07 EP EP19804785.4A patent/EP3880969A1/en not_active Withdrawn
- 2019-11-13 TW TW108141279A patent/TW202106979A/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2020099834A1 (en) | 2020-05-22 |
GB2579028A (en) | 2020-06-10 |
TW202106979A (en) | 2021-02-16 |
EP3880969A1 (en) | 2021-09-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |