BE898794A - Turbopompe moleculaire comportant un moteur a courant continu presentant une faible inductance et un dispositif de freinage et procede pour son fonctionnement - Google Patents

Turbopompe moleculaire comportant un moteur a courant continu presentant une faible inductance et un dispositif de freinage et procede pour son fonctionnement

Info

Publication number
BE898794A
BE898794A BE1/10947A BE1010947A BE898794A BE 898794 A BE898794 A BE 898794A BE 1/10947 A BE1/10947 A BE 1/10947A BE 1010947 A BE1010947 A BE 1010947A BE 898794 A BE898794 A BE 898794A
Authority
BE
Belgium
Prior art keywords
braking device
molecular
rotor
turboppume
direct current
Prior art date
Application number
BE1/10947A
Other languages
English (en)
French (fr)
Original Assignee
Pfeiffer Vakuumtechnik
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 Pfeiffer Vakuumtechnik filed Critical Pfeiffer Vakuumtechnik
Publication of BE898794A publication Critical patent/BE898794A/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
    • H01H33/6647—Contacts; Arc-extinguishing means, e.g. arcing rings having fixed middle contact and two movable contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
    • H01H33/6644—Contacts; Arc-extinguishing means, e.g. arcing rings having coil-like electrical connections between contact rod and the proper contact

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Discharge Heating (AREA)
  • Physical Vapour Deposition (AREA)
BE1/10947A 1982-01-29 1984-01-31 Turbopompe moleculaire comportant un moteur a courant continu presentant une faible inductance et un dispositif de freinage et procede pour son fonctionnement BE898794A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU823390393A SU1174994A1 (ru) 1982-01-29 1982-01-29 "bakууmhaя дугoгacиteльhaя kamepa"

Publications (1)

Publication Number Publication Date
BE898794A true BE898794A (fr) 1984-05-16

Family

ID=20995358

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1/10947A BE898794A (fr) 1982-01-29 1984-01-31 Turbopompe moleculaire comportant un moteur a courant continu presentant une faible inductance et un dispositif de freinage et procede pour son fonctionnement

Country Status (6)

Country Link
JP (1) JPS58145035A (de)
BE (1) BE898794A (de)
DD (1) DD230958A1 (de)
DE (1) DE3302939A1 (de)
FR (1) FR2520927B1 (de)
SU (1) SU1174994A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3318226A1 (de) * 1983-05-19 1984-11-22 Sachsenwerk, Licht- und Kraft-AG, 8000 München Vakuumschalter mit doppelunterbrechung
DE3422958A1 (de) * 1984-06-19 1985-01-10 Ernst Prof. Dr.techn.habil. 1000 Berlin Slamecka Vakuumschalter
US4717797A (en) * 1984-12-18 1988-01-05 Siemens Aktiengesellschaft Contact arrangement for a vacuum switching tube
DE3510981A1 (de) * 1985-03-22 1985-10-31 Ernst Prof. Dr.techn.habil. 1000 Berlin Slamecka Vakuumschalter - erregerkontaktanordnung
DE3724425A1 (de) * 1987-07-23 1989-02-02 Sachsenwerk Ag Kontaktanordnung fuer einen vakuum-leistungsschalter
DE3728400C1 (de) * 1987-08-26 1989-03-09 Sachsenwerk Ag Kontaktanordnung fuer Vakuumschalter
DE4013903A1 (de) * 1990-04-25 1990-11-22 Slamecka Ernst Magnetfeld-kontaktanordnung fuer vakuumschalter
DE4114636A1 (de) * 1991-04-30 1991-09-19 Slamecka Ernst Vakuumschalter-kontaktanordnung
DE4121685C2 (de) * 1991-06-29 2002-10-31 Alstom Vakuumschalttechnik Gmb Vakuumschaltkammer
EP0782760B1 (de) * 1994-09-22 1998-03-25 Ernst Slamecka Vakuumschalter-kontaktanordnung
EP1119011A4 (de) 1998-10-02 2004-03-03 Hitachi Ltd Vakuumschalter und vakuumschaltanlage die dieser schalter verwendet
DE102004031887B3 (de) * 2004-06-30 2006-04-13 Siemens Ag Schaltkontakt für Vakuumschaltröhren
EP2722859B2 (de) 2012-10-16 2019-08-28 ABB Schweiz AG Mehrfachblock-Hybridvakuumschalter mit in Reihe geschalteten Vakuumunterbrechern
CN103035441A (zh) * 2012-12-17 2013-04-10 大连理工大学 一字型串联短间隙双断口真空灭弧室
CN107123567B (zh) * 2017-06-16 2019-02-19 沈阳工业大学 一种真空断路器的双侧开断技术
CN111627748B (zh) * 2020-05-25 2021-09-24 大连理工大学 一种基于速度调控的双断口异构灭弧室
CN114264946B (zh) * 2021-12-14 2023-09-22 广东电网有限责任公司江门供电局 一种断路器真空灭弧室试验工具
CN121237601B (zh) * 2025-12-01 2026-02-24 沈阳晨源电气有限公司 一种真空柱上断路器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3185797A (en) * 1962-07-17 1965-05-25 Gen Electric Vacuum-type circuit interrupter with improved arc splitting means
US3405245A (en) * 1964-05-29 1968-10-08 Mitsubishi Electric Corp Multiple-break vacuum-type circuit interrupters
GB1182782A (en) * 1966-10-26 1970-03-04 Ass Elect Ind Improvemens in or relating to Vacuum Switches
CH460122A (de) * 1968-01-18 1968-07-31 Sprecher & Schuh Ag Schalteinrichtung insbesondere Vakuumschalter
DE2015528C3 (de) * 1970-04-01 1973-09-13 Siemens Ag, 1000 Berlin U. 8000 Muenchen Vakuumschalter
US3798484A (en) * 1973-04-02 1974-03-19 Gen Electric Series multiple break vacuum arc discharge devices
NL154369B (nl) * 1973-12-21 1977-08-15 Hazemeijer Bv Elektrische hoogspanningsschakelaar met twee in serie geschakelde schakeltrajecten.
US3980850A (en) * 1974-12-19 1976-09-14 Westinghouse Electric Corporation Vacuum interrupter with cup-shaped contact having an inner arc controlling electrode
SU705909A1 (ru) * 1976-08-02 1992-10-07 Предприятие П/Я Р-6517 Система электродов дл вакуумного коммутационного прибора
US4233480A (en) * 1978-09-20 1980-11-11 Westinghouse Electric Corp. Low voltage vacuum switch with three internal contacts including a center floating contact
GB2301222B (en) * 1995-05-26 1999-08-11 Ontario Hydro Monitor for measuring the radioactivity of a surface

Also Published As

Publication number Publication date
FR2520927A1 (fr) 1983-08-05
DE3302939A1 (de) 1983-08-11
DD230958A1 (de) 1985-12-11
SU1174994A1 (ru) 1985-08-23
JPS58145035A (ja) 1983-08-29
FR2520927B1 (fr) 1986-06-20

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ARTHUR PFEIFFER VAKUUMTECHNIK WETZLAR G.M.B.H.

Effective date: 19920131