FR2276487A1 - Pompe a vide a anneau liquide precedee d'un compresseur - Google Patents

Pompe a vide a anneau liquide precedee d'un compresseur

Info

Publication number
FR2276487A1
FR2276487A1 FR7519280A FR7519280A FR2276487A1 FR 2276487 A1 FR2276487 A1 FR 2276487A1 FR 7519280 A FR7519280 A FR 7519280A FR 7519280 A FR7519280 A FR 7519280A FR 2276487 A1 FR2276487 A1 FR 2276487A1
Authority
FR
France
Prior art keywords
compressor
vacuum pump
liquid ring
ring vacuum
preceded
Prior art date
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.)
Granted
Application number
FR7519280A
Other languages
English (en)
French (fr)
Other versions
FR2276487B1 (forum.php
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 Corp
Original Assignee
Siemens Corp
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 Corp filed Critical Siemens Corp
Publication of FR2276487A1 publication Critical patent/FR2276487A1/fr
Application granted granted Critical
Publication of FR2276487B1 publication Critical patent/FR2276487B1/fr
Granted 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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids
    • F04B41/06—Combinations of two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/20—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the driving speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • F04B49/24—Bypassing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Jet Pumps And Other Pumps (AREA)
FR7519280A 1974-06-24 1975-06-19 Pompe a vide a anneau liquide precedee d'un compresseur Granted FR2276487A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2430314A DE2430314C3 (de) 1974-06-24 1974-06-24 Flüssigkeitsring-Vakuumpumpe mit vorgeschaltetem Verdichter

Publications (2)

Publication Number Publication Date
FR2276487A1 true FR2276487A1 (fr) 1976-01-23
FR2276487B1 FR2276487B1 (forum.php) 1980-12-26

Family

ID=5918845

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7519280A Granted FR2276487A1 (fr) 1974-06-24 1975-06-19 Pompe a vide a anneau liquide precedee d'un compresseur

Country Status (14)

Country Link
US (1) US4225288A (forum.php)
JP (2) JPS5118309A (forum.php)
AT (1) AT334504B (forum.php)
BR (1) BR7503933A (forum.php)
CH (1) CH586852A5 (forum.php)
CS (1) CS211374B2 (forum.php)
DD (1) DD117908A5 (forum.php)
DE (1) DE2430314C3 (forum.php)
ES (1) ES438798A1 (forum.php)
FR (1) FR2276487A1 (forum.php)
GB (1) GB1508318A (forum.php)
IT (1) IT1038815B (forum.php)
SE (1) SE419115B (forum.php)
ZA (1) ZA754040B (forum.php)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308846A1 (fr) * 1987-09-25 1989-03-29 Alcatel Cit Procédé de démarrage de pompes à vide couplées en série, et dispositif permettant la mise en oeuvre de ce procédé
EP0343914A1 (en) * 1988-05-24 1989-11-29 The Boc Group, Inc. Evacuation apparatus and method
EP0347706A1 (de) * 1988-06-24 1989-12-27 Siemens Aktiengesellschaft Mehrstufiges Vakuumpumpenaggregat
EP0373975A1 (fr) * 1988-12-16 1990-06-20 Alcatel Cit Ensemble de pompage pour l'obtention de vides élevés
WO1991005166A1 (fr) * 1989-09-27 1991-04-18 Alcatel Cit Groupe de pompage a vide
EP0730093A1 (en) 1995-02-28 1996-09-04 Iwata Air Compressor Mfg. Co.,Ltd. Control of a two-stage vacuum pump
JP7650633B2 (ja) 2020-10-06 2025-03-25 エドワーズ株式会社 真空排気システム

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412161A1 (fr) * 1977-12-19 1979-07-13 Rca Corp Procede de traitement a haute tension des tubes a rayons cathodiques
JPS5652839A (en) * 1979-10-05 1981-05-12 Hitachi Ltd Aging method for picture tube
JPS57130344A (en) * 1981-02-04 1982-08-12 Hitachi Ltd Production of cathode ray tube
US5228289A (en) * 1983-06-29 1993-07-20 Peter Norton Plural hydraulic pump system with unloading valve
US4583301A (en) * 1984-01-26 1986-04-22 U-Op Management & Consultants Ltd. Variable volume vacuum drying chamber
DE3420144A1 (de) * 1984-05-30 1985-12-05 Loewe Pumpenfabrik GmbH, 2120 Lüneburg Regelungs- und steuerungssystem, insbes. fuer wassering-vakuumpumpen
JPH0631627B2 (ja) * 1984-07-25 1994-04-27 株式会社日立製作所 回転容積形真空ポンプ装置
US4699570A (en) * 1986-03-07 1987-10-13 Itt Industries, Inc Vacuum pump system
JPS62243982A (ja) * 1986-04-14 1987-10-24 Hitachi Ltd ２段型真空ポンプ装置およびその運転方法
JPH02102385A (ja) * 1988-10-08 1990-04-13 Toyo Eng Corp 排気装置
EP0528905B1 (de) * 1990-05-18 1994-07-27 Semtec Müller Ohg Verfahren und vorrichtung zum entfeuchten von wäsche o.dgl.
DE4104989A1 (de) * 1990-05-18 1991-11-21 Mueller Semtec Ohg Verfahren und vorrichtung zum evakuieren und entfeuchten eines raumes
DE19500823A1 (de) * 1995-01-13 1996-07-18 Sgi Prozess Technik Gmbh Vakuum-Pumpstand
DE10046902B4 (de) * 2000-09-21 2006-04-27 Nash_Elmo Industries Gmbh Pumpenanlage und Verfahren zum Pumpen eines Gases
DE10108631B4 (de) * 2001-02-22 2005-06-30 Nash-Elmo Industries Gmbh Vakuumpumpenanlage und Verfahren zur Erzeugung eines Endvakuums
DE10134138A1 (de) * 2001-07-13 2003-02-06 Oranienburger Pumpen Verdichte Fluidmaschine mit zumindest zwei zusammengeschalteten Maschinen, insbesondere Verdichter, Gebläse, Pumpen u. dgl.
KR100451651B1 (ko) * 2001-12-13 2004-10-08 엘지전자 주식회사 원심형 압축기의 역회전 방지구조
DE10319633A1 (de) * 2003-05-02 2004-11-18 Inficon Gmbh Lecksuchgerät
JP4633370B2 (ja) * 2004-02-17 2011-02-16 財団法人国際科学振興財団 真空装置
CA2837076A1 (en) * 2011-05-24 2012-11-29 Invacare Corp. Oxygen compressor with boost stage
WO2013087713A2 (de) 2011-12-14 2013-06-20 Sterling Industry Consult Gmbh Vorrichtung und verfahren zum evakuieren eines raums und zum reinigen des aus dem raum abgesaugten gases
CN104220748B (zh) 2012-02-03 2017-06-06 英瓦卡尔公司 泵送装置
DE102013223556A1 (de) * 2013-11-19 2015-05-21 Oerlikon Leybold Vacuum Gmbh Vakuumpumpen-System sowie Verfahren zum Betreiben eines Vakuumpumpen-Systems
EP3289292A4 (en) * 2015-04-30 2018-12-05 Atlas Copco Comptec, LLC A gas handling system and method for efficiently managing changes in gaseous conditions
EP3880970B1 (en) * 2018-11-15 2023-02-15 Flowserve Management Company Apparatus and method for evacuating very large volumes
US11492020B2 (en) 2020-05-05 2022-11-08 Flowserve Management Company Method of intelligently managing pressure within an evacuated transportation system
US12292026B2 (en) 2022-07-13 2025-05-06 Flowserve Pte. Ltd. Variable speed reconfigurable pump/turbine clusters

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1792741A (en) * 1929-10-14 1931-02-17 Hayton Pump And Blower Company Two-stage hydrovacuum pump
US2397443A (en) * 1944-02-03 1946-03-26 Socony Vacuum Oil Co Inc Pump station control system
US2492075A (en) * 1945-10-30 1949-12-20 Kinney Mfg Company Vacuum pump
DE968232C (de) * 1952-06-17 1958-01-30 Siemens Ag Fluessigkeitsring-Vakuumpumpe mit vorgeschaltetem Strahlsauger
US3221659A (en) * 1960-04-20 1965-12-07 Nash Engineering Co Liquid ring and centrifugal series pumps for varying density fluids
US3072058A (en) * 1961-08-18 1963-01-08 Socony Mobil Oil Co Inc Pipe line control system
US3315607A (en) * 1965-06-04 1967-04-25 Trw Inc Multi-stage drag pump
US3359908A (en) * 1966-01-24 1967-12-26 Gen Electric Turbine pump
FR1600217A (forum.php) * 1968-03-15 1970-07-20
US3558236A (en) * 1968-09-10 1971-01-26 Delavan Manufacturing Co Self-purging regenerative turbine pump
DE2138383A1 (de) * 1971-07-31 1973-02-08 Siemens Ag Pumpenaggregat zur mehrstufigen verdichtung von gasen
US3922110A (en) * 1974-01-28 1975-11-25 Henry Huse Multi-stage vacuum pump
DE2405890A1 (de) * 1974-02-07 1975-08-14 Siemens Ag Seitenkanal-ringverdichter

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2621141A1 (fr) * 1987-09-25 1989-03-31 Cit Alcatel Procede de demarrage de pompes a vide couplees en serie, et dispositif permettant la mise en oeuvre de ce procede
US4887941A (en) * 1987-09-25 1989-12-19 Societe Anonyme Dite: Alcatel Cit Method and apparatus for starting series-coupled vacuum pumps
EP0308846A1 (fr) * 1987-09-25 1989-03-29 Alcatel Cit Procédé de démarrage de pompes à vide couplées en série, et dispositif permettant la mise en oeuvre de ce procédé
EP0343914A1 (en) * 1988-05-24 1989-11-29 The Boc Group, Inc. Evacuation apparatus and method
US5244352A (en) * 1988-06-24 1993-09-14 Siemens Aktiengesellschaft Multi-stage vacuum pump installation
EP0347706A1 (de) * 1988-06-24 1989-12-27 Siemens Aktiengesellschaft Mehrstufiges Vakuumpumpenaggregat
WO1989012751A1 (fr) * 1988-06-24 1989-12-28 Siemens Aktiengesellschaft Agregat de pompe a vide a plusieurs etages
EP0373975A1 (fr) * 1988-12-16 1990-06-20 Alcatel Cit Ensemble de pompage pour l'obtention de vides élevés
WO1990007061A1 (fr) * 1988-12-16 1990-06-28 Alcatel Cit Ensemble de pompage pour l'obtention de vides eleves
FR2640697A1 (fr) * 1988-12-16 1990-06-22 Cit Alcatel Ensemble de pompage pour l'obtention de vides eleves
WO1991005166A1 (fr) * 1989-09-27 1991-04-18 Alcatel Cit Groupe de pompage a vide
EP0730093A1 (en) 1995-02-28 1996-09-04 Iwata Air Compressor Mfg. Co.,Ltd. Control of a two-stage vacuum pump
EP1101943A2 (en) 1995-02-28 2001-05-23 Anest Iwata Corporation Control of a two-stage vacuum pump
JP7650633B2 (ja) 2020-10-06 2025-03-25 エドワーズ株式会社 真空排気システム

Also Published As

Publication number Publication date
IT1038815B (it) 1979-11-30
JPS5118309A (en) 1976-02-13
SE7506807L (sv) 1975-12-29
US4225288A (en) 1980-09-30
FR2276487B1 (forum.php) 1980-12-26
DE2430314B2 (de) 1978-03-02
ZA754040B (en) 1976-05-26
DD117908A5 (forum.php) 1976-02-05
ES438798A1 (es) 1977-03-16
AT334504B (de) 1976-01-25
ATA298075A (de) 1976-05-15
CH586852A5 (forum.php) 1977-04-15
DE2430314C3 (de) 1982-11-25
BR7503933A (pt) 1976-07-06
AU8240175A (en) 1977-01-06
JPS58130098U (ja) 1983-09-02
CS211374B2 (en) 1982-02-26
GB1508318A (en) 1978-04-19
DE2430314A1 (de) 1976-01-08
SE419115B (sv) 1981-07-13

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Legal Events

Date Code Title Description
ST Notification of lapse