GB201818600D0 - Molecular drag stage - Google Patents

Molecular drag stage

Info

Publication number: GB201818600D0
Authority: GB; United Kingdom
Prior art keywords: molecular drag; drag stage; stage; molecular; drag
Prior art date: 2018-11-14
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

GBGB1818600.7A

Other versions

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Edwards Ltd

Original Assignee

Edwards Ltd

Priority date (The priority date 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 date listed.)

2018-11-14

Filing date

2018-11-14

Publication date

2018-12-26

2018-11-14 Application filed by Edwards Ltd filed Critical Edwards Ltd

2018-11-14 Priority to GB1818600.7A priority Critical patent/GB2579028A/en

2018-12-26 Publication of GB201818600D0 publication Critical patent/GB201818600D0/en

2019-11-07 Priority to EP19804785.4A priority patent/EP3880969A1/en

2019-11-07 Priority to PCT/GB2019/053149 priority patent/WO2020099834A1/en

2019-11-13 Priority to TW108141279A priority patent/TW202106979A/en

2020-06-10 Publication of GB2579028A publication Critical patent/GB2579028A/en

Status Withdrawn legal-status Critical Current

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)

GB1818600.7A 2018-11-14 2018-11-14 Molecular drag stage Withdrawn GB2579028A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 EP EP19804785.4A patent/EP3880969A1/en not_active Withdrawn
- 2019-11-07 WO PCT/GB2019/053149 patent/WO2020099834A1/en not_active Ceased
- 2019-11-13 TW TW108141279A patent/TW202106979A/en unknown

Also Published As

Publication number	Publication date
TW202106979A (en)	2021-02-16
WO2020099834A1 (en)	2020-05-22
EP3880969A1 (en)	2021-09-22
GB2579028A (en)	2020-06-10

Publication	Publication Date	Title
DK3793565T3 (en)	2022-03-07	Mcl-1-inhibitorer
GB202206227D0 (en)	2022-06-15	Bsuh
CA185383S (en)	2019-12-20	Casque
DK3554057T3 (en)	2021-05-10	Audioheadsetsystem
DK3613739T3 (en)	2020-12-07	Integrin-antagonister
GB201803724D0 (en)	2018-04-25	Methods
GB2571339B (en)	2020-12-16	Rotatable stage
GB201805466D0 (en)	2018-05-16	Methods
GB201802486D0 (en)	2018-04-04	Methods
DK3801538T3 (en)	2025-01-02	Tlr7-agonister
SG11202007342QA (en)	2020-08-28	Methods
DK3578923T3 (en)	2021-08-16	Navigationssystem
GB201814451D0 (en)	2018-10-17	Methods
GB201818600D0 (en)	2018-12-26	Molecular drag stage
ZA202006916B (en)	2021-07-28	Turbocharger
GB201815435D0 (en)	2018-11-07	Methods
GB201802404D0 (en)	2018-03-28	Methods
GB201819453D0 (en)	2019-01-16	Molecular signature
GB201817010D0 (en)	2018-12-05	Methods
GB2574363B (en)	2021-03-17	Spedball
GB201802830D0 (en)	2018-04-04	Smartvalve
CA187782S (en)	2020-12-01	Pompon-maker
AU201817247S (en)	2019-02-08	MC-Roller
AU201817248S (en)	2019-02-11	MC-Roller
AU201817245S (en)	2019-02-08	MC-Roller

Legal Events

Date	Code	Title	Description
2023-09-06	WAP	Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)