FR2428936B1 - - Google Patents

Info

Publication number
FR2428936B1
FR2428936B1 FR7915312A FR7915312A FR2428936B1 FR 2428936 B1 FR2428936 B1 FR 2428936B1 FR 7915312 A FR7915312 A FR 7915312A FR 7915312 A FR7915312 A FR 7915312A FR 2428936 B1 FR2428936 B1 FR 2428936B1
Authority
FR
France
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
Application number
FR7915312A
Other languages
French (fr)
Other versions
FR2428936A1 (fr
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.)
Siemens AG
Original Assignee
Siemens AG
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.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of FR2428936A1 publication Critical patent/FR2428936A1/fr
Application granted granted Critical
Publication of FR2428936B1 publication Critical patent/FR2428936B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
    • H01J41/12—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps
    • H01J41/18—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of cold cathodes
    • H01J41/20—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of cold cathodes using gettering substances
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K55/00—Dynamo-electric machines having windings operating at cryogenic temperatures
    • H02K55/02—Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type
    • H02K55/04—Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type with rotating field windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/876—Electrical generator or motor structure
    • Y10S505/877—Rotary dynamoelectric type

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superconductive Dynamoelectric Machines (AREA)
  • Containers, Films, And Cooling For Superconductive Devices (AREA)
FR7915312A 1978-06-16 1979-06-14 Dispositif de mise sous vide destine a produire un vide isolant autour de l'enroulement supraconducteur d'un rotor Granted FR2428936A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2826501A DE2826501B1 (de) 1978-06-16 1978-06-16 Evakuierungsvorrichtung zur Erzeugung eines Isoliervakuums um die supraleitende Wicklung eines Rotors

Publications (2)

Publication Number Publication Date
FR2428936A1 FR2428936A1 (fr) 1980-01-11
FR2428936B1 true FR2428936B1 (US20030220297A1-20031127-C00009.png) 1982-12-03

Family

ID=6041987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7915312A Granted FR2428936A1 (fr) 1978-06-16 1979-06-14 Dispositif de mise sous vide destine a produire un vide isolant autour de l'enroulement supraconducteur d'un rotor

Country Status (5)

Country Link
US (1) US4274022A (US20030220297A1-20031127-C00009.png)
JP (1) JPS553699A (US20030220297A1-20031127-C00009.png)
DE (1) DE2826501B1 (US20030220297A1-20031127-C00009.png)
FR (1) FR2428936A1 (US20030220297A1-20031127-C00009.png)
GB (1) GB2023355A (US20030220297A1-20031127-C00009.png)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH627314A5 (US20030220297A1-20031127-C00009.png) * 1978-01-24 1981-12-31 Bbc Brown Boveri & Cie
EP0238908A1 (de) * 1986-03-19 1987-09-30 Siemens Aktiengesellschaft Kryosorptionspumpe für ein thermisches Isoliervakuum im Läufer einer elektrischen Maschine mit supraleitender Erregerwicklung
US6416215B1 (en) 1999-12-14 2002-07-09 University Of Kentucky Research Foundation Pumping or mixing system using a levitating magnetic element
IT1307236B1 (it) * 1999-04-02 2001-10-30 Varian Spa Pompa ionica.
US6758593B1 (en) 2000-10-09 2004-07-06 Levtech, Inc. Pumping or mixing system using a levitating magnetic element, related system components, and related methods
US6708503B1 (en) * 2002-12-27 2004-03-23 General Electric Company Vacuum retention method and superconducting machine with vacuum retention
DE102004035730A1 (de) * 2004-07-23 2006-03-16 BSH Bosch und Siemens Hausgeräte GmbH Haushaltskältegerät mit evakuierbarem Lagerfach
US20060045754A1 (en) * 2004-08-27 2006-03-02 Peter Lukens Ion pump for cryogenic magnet apparatus
US7296339B1 (en) 2004-09-08 2007-11-20 Western Digital (Fremont), Llc Method for manufacturing a perpendicular magnetic recording head
US7552523B1 (en) 2005-07-01 2009-06-30 Western Digital (Fremont), Llc Method for manufacturing a perpendicular magnetic recording transducer
US8333008B1 (en) 2005-07-29 2012-12-18 Western Digital (Fremont), Llc Method for manufacturing a perpendicular magnetic recording transducer
US7508627B1 (en) 2006-03-03 2009-03-24 Western Digital (Fremont), Llc Method and system for providing perpendicular magnetic recording transducers
US8141235B1 (en) 2006-06-09 2012-03-27 Western Digital (Fremont), Llc Method for manufacturing a perpendicular magnetic recording transducers
US8015692B1 (en) 2007-11-07 2011-09-13 Western Digital (Fremont), Llc Method for providing a perpendicular magnetic recording (PMR) head
WO2009101814A1 (ja) * 2008-02-14 2009-08-20 National Institute Of Information And Communications Technology イオンポンプシステム及び電磁場発生装置
US9099118B1 (en) 2009-05-26 2015-08-04 Western Digital (Fremont), Llc Dual damascene process for producing a PMR write pole
US8486285B2 (en) 2009-08-20 2013-07-16 Western Digital (Fremont), Llc Damascene write poles produced via full film plating

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR615575A (fr) * 1926-05-04 1927-01-11 Machine électrostatique
DE1201945B (de) * 1962-06-08 1965-09-30 Heraeus Gmbh W C Zerstaeubungs-Vakuumpumpe
DE1178505B (de) * 1963-06-28 1964-09-24 Licentia Gmbh Anordnung zur Erzeugung eines Vakuums oder Unterdruckes sowie zur Vermeidung von Ver-schmutzungen im Gehaeuse einer mit Fluessigkeits-kuehlung im Rotor und Stator ausgeruesteten elektrischen Maschine
FR1379760A (fr) * 1963-10-17 1964-11-27 Vide Soc Gen Du Perfectionnements aux pompes à vide du type à ionisation et à évaporation
GB1315302A (en) * 1969-06-10 1973-05-02 Int Research & Dev Co Ltd Rotary electrical machines
GB1351601A (en) * 1970-04-09 1974-05-01 Int Research & Dev Co Ltd Superconducting dynamo-electric machines
US3781133A (en) * 1972-03-06 1973-12-25 Veeco Instr Inc Sputter ion pumps
US3994625A (en) * 1975-02-18 1976-11-30 Varian Associates Sputter-ion pump having improved cooling and improved magnetic circuitry
US4085343A (en) * 1975-06-13 1978-04-18 Hitachi, Ltd. Rotor for a rotary electrical machine having a superconductive field winding
US4096403A (en) * 1976-06-28 1978-06-20 Electric Power Research Institute, Inc. Superconducting hybrid magnetic flux pump
SU625290A1 (ru) * 1976-11-30 1978-09-25 Специальное Конструкторское Бюро "Энергохиммаш" Электрическа машина

Also Published As

Publication number Publication date
FR2428936A1 (fr) 1980-01-11
GB2023355A (en) 1979-12-28
JPS553699A (en) 1980-01-11
DE2826501B1 (de) 1979-11-08
DE2826501C2 (US20030220297A1-20031127-C00009.png) 1980-07-24
US4274022A (en) 1981-06-16

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Legal Events

Date Code Title Description
ST Notification of lapse