GB2221255B - Molecular vacuum pump - Google Patents

Molecular vacuum pump

Info

Publication number: GB2221255B
Authority: GB; United Kingdom
Prior art keywords: vacuum pump; molecular vacuum; molecular; pump; vacuum
Prior art date: 1988-01-05
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.): Expired - Lifetime

Application number

GB8917836A

Other versions

GB2221255A (en

GB8917836D0 (en

Inventor

Valery Borisovich Sholokhov

Konstantin Evgenievic Demikhov

Vladimir Iliich Vikhrev

Vladimir Pavlovich Sergeev

Sergei Nikolaevich Sharshin

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.)

Individual

Original Assignee

Individual

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.)

1988-01-05

Filing date

1988-01-05

Publication date

1991-10-16

1988-01-05 Application filed by Individual filed Critical Individual

1989-11-01 Publication of GB8917836D0 publication Critical patent/GB8917836D0/en

1990-01-31 Publication of GB2221255A publication Critical patent/GB2221255A/en

1991-10-16 Application granted granted Critical

1991-10-16 Publication of GB2221255B publication Critical patent/GB2221255B/en

2008-01-05 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- F04D19/046—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
- 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

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Non-Positive Displacement Air Blowers (AREA)
Applications Or Details Of Rotary Compressors (AREA)
Crystals, And After-Treatments Of Crystals (AREA)

GB8917836A 1988-01-05 1988-01-05 Molecular vacuum pump Expired - Lifetime GB2221255B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/SU1988/000001 WO1989006320A1 (en)	1988-01-05	1988-01-05	Molecular vacuum pump

Publications (3)

Publication Number	Publication Date
GB8917836D0 GB8917836D0 (en)	1989-11-01
GB2221255A GB2221255A (en)	1990-01-31
GB2221255B true GB2221255B (en)	1991-10-16

Family

ID=21617173

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8917836A Expired - Lifetime GB2221255B (en)	1988-01-05	1988-01-05	Molecular vacuum pump

Country Status (6)

Country	Link
JP (1)	JPH02502840A (en)
DE (1)	DE3891201T1 (en)
FI (1)	FI894157A0 (en)
FR (1)	FR2630167B1 (en)
GB (1)	GB2221255B (en)
WO (1)	WO1989006320A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1238201B (en) *	1989-11-03	1993-07-09	Varian Spa	METHOD OF MANUFACTURE BY ELECTROEROSION OF A IMPELLER OR A ROTOR TO ONE OR MORE IMPELLERS OF A TURBO PUMP, PARTICULARLY OF A TURBOMOLECULAR PUMP, AND PRODUCTS SO OBTAINED.
DE4216237A1 (en) *	1992-05-16	1993-11-18	Leybold Ag	Gas friction vacuum pump
DE19846188A1 (en) *	1998-10-07	2000-04-13	Leybold Vakuum Gmbh	Friction vacuum pump with stator and rotor
DE19937392A1 (en) *	1999-08-07	2001-02-08	Leybold Vakuum Gmbh	Friction vacuum pump with active pump elements

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2244370A5 (en) *	1973-09-14	1975-04-11	Cit Alcatel
DE2255618C2 (en) *	1971-11-16	1982-12-23	Compagnie Industrielle Des Telecommunications Cit-Alcatel S.A., 75008 Paris	Molecular vacuum pump
EP0081890B1 (en) *	1981-12-14	1985-10-09	Ultra-Centrifuge Nederland N.V.	High-vacuum molecular pump
DE3613344A1 (en) *	1986-04-19	1987-10-22	Pfeiffer Vakuumtechnik	TURBOMOLECULAR VACUUM PUMP FOR HIGHER PRESSURE

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1626621A (en) *	1925-08-28	1927-05-03	Middendorf George	Compressor for refrigerators or the like
FR1293546A (en) *	1961-02-09	1962-05-18	Alsacienne Constr Meca	Improvements to rotary molecular pumps
JPS6341695A (en) *	1986-08-07	1988-02-22	Seiko Seiki Co Ltd	Turbo-molecular pump

1988
- 1988-01-05 GB GB8917836A patent/GB2221255B/en not_active Expired - Lifetime
- 1988-01-05 WO PCT/SU1988/000001 patent/WO1989006320A1/en active Application Filing
- 1988-01-05 JP JP63501741A patent/JPH02502840A/en active Pending
- 1988-01-05 DE DE883891201T patent/DE3891201T1/en not_active Withdrawn
- 1988-04-13 FR FR888804896A patent/FR2630167B1/en not_active Expired - Fee Related
1989
- 1989-09-04 FI FI894157A patent/FI894157A0/en not_active Application Discontinuation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2255618C2 (en) *	1971-11-16	1982-12-23	Compagnie Industrielle Des Telecommunications Cit-Alcatel S.A., 75008 Paris	Molecular vacuum pump
FR2244370A5 (en) *	1973-09-14	1975-04-11	Cit Alcatel
EP0081890B1 (en) *	1981-12-14	1985-10-09	Ultra-Centrifuge Nederland N.V.	High-vacuum molecular pump
DE3613344A1 (en) *	1986-04-19	1987-10-22	Pfeiffer Vakuumtechnik	TURBOMOLECULAR VACUUM PUMP FOR HIGHER PRESSURE

Also Published As

Publication number	Publication date
FR2630167B1 (en)	1990-08-31
GB2221255A (en)	1990-01-31
JPH02502840A (en)	1990-09-06
DE3891201T1 (en)	1990-01-11
FR2630167A1 (en)	1989-10-20
FI894157A0 (en)	1989-09-04
GB8917836D0 (en)	1989-11-01
WO1989006320A1 (en)	1989-07-13

Legal Events

Date	Code	Title	Description
1994-08-31	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19940105

Publication	Publication Date	Title
DE3561348D1 (en)	1988-02-11	Molecular vacuum pump
EP0451708A3 (en)	1992-01-08	Vacuum pump
GB2189295B (en)	1990-03-28	Vacuum pump
GB2226603B (en)	1992-07-29	Turbomolecular vacuum pump
EP0340685A3 (en)	1990-08-01	Composite vacuum pump
EP0338764A3 (en)	1990-03-28	Vacuum pumps
RU1833481C (en)	1993-08-07	Vacuum pumping unit
GB2208895B (en)	1991-01-23	Multi-stage molecular pump
EP0337681A3 (en)	1990-04-04	Vacuum pump systems
GB2232205B (en)	1991-11-13	Molecular vacuum pump
GB8717006D0 (en)	1987-08-26	Vacuum pumps
EP0355260A3 (en)	1990-05-30	Screw type vacuum pump
AP8900115A0 (en)	1989-04-30	Pump
EP0362865A3 (en)	1990-08-01	Multi-section vacuum pump
GB2221255B (en)	1991-10-16	Molecular vacuum pump
GB2263139B (en)	1995-01-25	Vacuum pump
GB9224008D0 (en)	1993-01-06	High vacuum pump
GB8620546D0 (en)	1986-10-01	Vacuum pump
GB2230562B (en)	1991-09-11	Turbomolecular vacuum pump
PL271967A1 (en)	1989-10-30	Molecular vacuum pump
AU104047S (en)	1989-06-01	Pump
PL271966A1 (en)	1989-10-30	Molecular vacuum pump
PL273223A1 (en)	1989-12-27	Turbomolecular vacuum pump
GB9020646D0 (en)	1990-10-31	Liquid-ring vacuum pump
SU1546723A1 (en)	1990-02-28	Steam-jet vacuum pump