IT970919B - Perno per pompe molecolari rotative - Google Patents

Perno per pompe molecolari rotative

Info

Publication number: IT970919B
Authority: IT; Italy
Prior art keywords: pin; molecular pumps; rotary molecular; rotary; pumps
Prior art date: 1971-11-16

Application number

IT31717/72A

Other languages

English (en)

Original Assignee

Cit Alcatel

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.)

1971-11-16

Filing date

1972-11-16

Publication date

1974-04-20

1972-11-16 Application filed by Cit Alcatel filed Critical Cit Alcatel

1974-04-20 Application granted granted Critical

1974-04-20 Publication of IT970919B publication Critical patent/IT970919B/it

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
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/057—Bearings hydrostatic; hydrodynamic
- 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
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/102—Shaft sealings especially adapted for elastic fluid pumps
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0681—Construction or mounting aspects of hydrostatic bearings, for exclusively rotary movement, related to the direction of load
- F16C32/0696—Construction or mounting aspects of hydrostatic bearings, for exclusively rotary movement, related to the direction of load for both radial and axial load
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/08—Rigid support of bearing units; Housings, e.g. caps, covers for spindles
- F16C35/10—Rigid support of bearing units; Housings, e.g. caps, covers for spindles with sliding-contact bearings

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Non-Positive Displacement Air Blowers (AREA)

IT31717/72A 1971-11-16 1972-11-16 Perno per pompe molecolari rotative IT970919B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7140995A FR2161180A5 (it)	1971-11-16	1971-11-16

Publications (1)

Publication Number	Publication Date
IT970919B true IT970919B (it)	1974-04-20

Family

ID=9085846

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT31717/72A IT970919B (it)	1971-11-16	1972-11-16	Perno per pompe molecolari rotative

Country Status (8)

Country	Link
US (1)	US3832084A (it)
BE (1)	BE790969A (it)
CH (1)	CH564691A5 (it)
DE (1)	DE2255618C2 (it)
FR (1)	FR2161180A5 (it)
GB (1)	GB1359920A (it)
IT (1)	IT970919B (it)
NL (1)	NL7215491A (it)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2224009A5 (it) *	1973-03-30	1974-10-25	Cit Alcatel
DE2359456A1 (de) *	1973-11-29	1975-06-05	Leybold Heraeus Gmbh & Co Kg	Turbomolekularvakuumpumpe mit gasgelagertem rotor
DE2512828C3 (de) *	1975-03-22	1978-11-16	Kernforschungsanlage Juelich Gmbh, 5170 Juelich	Turbomolekularpumpe
FR2446934A1 (fr) *	1979-01-19	1980-08-14	Cit Alcatel	Pompe rotative a vide eleve
DE3032967A1 (de) *	1980-09-02	1982-04-15	Leybold-Heraeus GmbH, 5000 Köln	Molekularpumpe, insbesondere turbomolekularpumpe, und damit ausgeruestetes pumpsystem
NL8105614A (nl) *	1981-12-14	1983-07-01	Ultra Centrifuge Nederland Nv	Hoog-vacuum moleculair pomp.
FR2521650A1 (fr) *	1982-02-16	1983-08-19	Cit Alcatel	Pompe rotative a vide eleve
US4767265A (en) *	1983-10-07	1988-08-30	Sargent-Welch Scientific Co.	Turbomolecular pump with improved bearing assembly
US4674952A (en) *	1983-10-07	1987-06-23	Sargent-Welch Scientific Company	Turbo molecular pump with improved bearing assembly
US4806075A (en) *	1983-10-07	1989-02-21	Sargent-Welch Scientific Co.	Turbomolecular pump with improved bearing assembly
DE3410905A1 (de) *	1984-03-24	1985-10-03	Leybold-Heraeus GmbH, 5000 Köln	Einrichtung zur foerderung von gasen bei subatmosphaerischen druecken
FR2567208B1 (fr) *	1984-07-05	1988-12-09	Cit Alcatel	Pompe rotative a vide eleve
DE3600124A1 (de) *	1986-01-04	1987-07-16	Fortuna Werke Maschf Ag	Geblaese zum umwaelzen grosser gasmengen, insbesondere fuer hochleistungs-laser
DE3705912A1 (de) *	1987-02-24	1988-09-01	Alcatel Hochvakuumtechnik Gmbh	Hochvakuumpumpe mit einem glockenfoermigen rotor
DE3728154C2 (de) *	1987-08-24	1996-04-18	Balzers Pfeiffer Gmbh	Mehrstufige Molekularpumpe
JPH02502743A (ja) *	1987-12-25	1990-08-30	ショロホフ　ヴァレリイ　ボリソヴィチ	分子真空ポンプ
WO1989006320A1 (en) *	1988-01-05	1989-07-13	Sholokhov Valery B	Molecular vacuum pump
US5052887A (en) *	1988-02-26	1991-10-01	Novikov Nikolai M	Turbomolecular vacuum pump
WO1989009341A1 (en) *	1988-03-30	1989-10-05	Sergeev Vladimir P	Turbomolecular vacuum pump
US5049168A (en) *	1988-09-12	1991-09-17	Philip Danielson	Helium leak detection method and system
US6318093B2 (en)	1988-09-13	2001-11-20	Helix Technology Corporation	Electronically controlled cryopump
US6022195A (en) *	1988-09-13	2000-02-08	Helix Technology Corporation	Electronically controlled vacuum pump with control module
US5020969A (en) *	1988-09-28	1991-06-04	Hitachi, Ltd.	Turbo vacuum pump
JP2928615B2 (ja) *	1990-09-28	1999-08-03	株式会社日立製作所	ターボ真空ポンプ
US6902378B2 (en) *	1993-07-16	2005-06-07	Helix Technology Corporation	Electronically controlled vacuum pump
WO1999020433A1 (en) *	1997-10-21	1999-04-29	Multilevel Metals, Inc.	Gas bearing turbo pump and gas bearing feedthrough
DE19915983A1 (de)	1999-04-09	2000-10-12	Pfeiffer Vacuum Gmbh	Vakuumpumpe mit Gaslagerung
US6508631B1 (en)	1999-11-18	2003-01-21	Mks Instruments, Inc.	Radial flow turbomolecular vacuum pump
GB0208556D0 (en) *	2002-04-12	2002-05-22	Advanced Fluid Systems Ltd	Magnetic seal and bearing arrangement
DE502004003827D1 (de) *	2004-01-29	2007-06-28	Pfeiffer Vacuum Gmbh	Gasreibungspumpe
GB2467168B (en) *	2009-01-26	2011-03-16	Air Bearings Ltd	Gas bearing and method of manufacturing the same
DE102010001538A1 (de) *	2010-02-03	2011-08-04	Trumpf Maschinen Ag	Gaslaser mit Radial- und Axialgaslager
DE102010021015A1 (de)	2010-05-19	2011-11-24	O3-innovation Ursula Bürger e.Kfr.	Wärmepumpe mit gewendelten Kolben gleichen Profilquerschnitts für die Erzeugung von Kälte und Wärme
CN103016531B (zh) *	2012-12-31	2015-02-25	浙江工业大学	无摩擦旋转供气气浮装置
JP6287475B2 (ja) *	2014-03-28	2018-03-07	株式会社島津製作所	真空ポンプ
JP2020186687A (ja) *	2019-05-15	2020-11-19	エドワーズ株式会社	真空ポンプとそのネジ溝ポンプ部の固定部品
CN112302990A (zh) *	2019-07-30	2021-02-02	青岛海尔智能技术研发有限公司	静压轴承供气***、制冷设备
CN111692340B (zh) *	2020-06-12	2022-03-22	东台市岳东橡胶密封件厂	一种内藏浮动式伸缩密封件

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2730297A (en) *	1950-04-12	1956-01-10	Hartford Nat Bank & Trust Co	High-vacuum molecular pump
DE1023679B (de) *	1956-06-08	1958-01-30	Messerschmitt Boelkow Blohm	Vorrichtung zum Regeln von Kennfeldern mit aehnlichen bzw. praktisch aehnlichen Niveaulinien
FR1203718A (fr) *	1958-03-28	1960-01-20	Jansen Gmbh Th	Dépoussiéreur à brosses
FR1284111A (fr) *	1961-01-23	1962-02-09	Bristol Siddeley Engines Ltd	Perfectionnements aux compresseurs
FR1293546A (fr) *	1961-02-09	1962-05-18	Alsacienne Constr Meca	Perfectionnements aux pompes moléculaires rotatives
FR81075E (fr) *	1962-01-23	1963-07-26	Snecma	Pompe à vide turbomoléculaire perfectionnée
US3189264A (en) *	1963-06-04	1965-06-15	Arthur Pfeiffer Company	Vacuum pump drive and seal arrangement
US3628894A (en) *	1970-09-15	1971-12-21	Bendix Corp	High-vacuum mechanical pump
US3999827A (en) *	1975-10-10	1976-12-28	Burroughs Corporation	Electrical connector for semiconductor device package

0
- BE BE790969D patent/BE790969A/xx unknown
1971
- 1971-11-16 FR FR7140995A patent/FR2161180A5/fr not_active Expired
1972
- 1972-11-06 CH CH1610372A patent/CH564691A5/xx not_active IP Right Cessation
- 1972-11-13 DE DE2255618A patent/DE2255618C2/de not_active Expired
- 1972-11-14 GB GB5249872A patent/GB1359920A/en not_active Expired
- 1972-11-16 NL NL7215491A patent/NL7215491A/xx not_active Application Discontinuation
- 1972-11-16 US US00307231A patent/US3832084A/en not_active Expired - Lifetime
- 1972-11-16 IT IT31717/72A patent/IT970919B/it active

Also Published As

Publication number	Publication date
BE790969A (fr)	1973-05-07
DE2255618C2 (de)	1982-12-23
US3832084A (en)	1974-08-27
NL7215491A (it)	1973-05-18
FR2161180A5 (it)	1973-07-06
DE2255618A1 (de)	1973-05-24
CH564691A5 (it)	1975-07-31
GB1359920A (en)	1974-07-17

Publication	Publication Date	Title
IT970919B (it)	1974-04-20	Perno per pompe molecolari rotative
BE788703A (fr)	1973-01-02	Pompe peristaltique
NL151776B (nl)	1976-12-15	Vacuuempomp.
BE792821A (fr)	1973-03-30	Haveuse rotative
NL171374C (nl)	1983-03-16	Centrifugaalpomp met verstelbare spelingen.
BE813314A (fr)	1974-07-31	Faucheuse rotative
SE383022B (sv)	1976-02-23	Rotationspump
CH550940A (fr)	1974-06-28	Pompe a piston.
CH541722A (de)	1973-09-15	Verdrängerpumpe
CH545417A (de)	1973-12-15	Rotationskolbenpumpe
BE790061A (fr)	1973-02-01	Pompe volumetrique rotative
CH546890A (fr)	1974-03-15	Pompe rotative hydraulique.
FR1458112A (fr)	1966-03-04	Pompe volumétrique rotative
BE783139A (fr)	1972-09-01	Pompe
CH479807A (fr)	1969-10-15	Pompe rotative
IT960894B (it)	1973-11-30	Compressore rotativo
NO137655C (no)	1978-03-29	Roterende fortrengningspumpe.
BE785646A (fr)	1972-10-16	Pompe rotative a debit variable,
FR2293220A1 (fr)	1976-07-02	Pompe peristaltique rotative
CH552753A (de)	1974-08-15	Rotationspumpe.
ZA725277B (en)	1973-04-25	Rotary sliding vane pump
SU649881A1 (ru)	1979-02-28	Роторный насос
FR1438146A (fr)	1966-05-06	Pompe rotative
AT326486B (de)	1975-12-10	Rotationskolbenpumpe
FR1483267A (fr)	1967-06-02	Compresseur ou pompe, du type rotatif