GB1508318A - Vacuum pump apparatus - Google Patents

Vacuum pump apparatus

Info

Publication number
GB1508318A
GB1508318A GB25107/75A GB2510775A GB1508318A GB 1508318 A GB1508318 A GB 1508318A GB 25107/75 A GB25107/75 A GB 25107/75A GB 2510775 A GB2510775 A GB 2510775A GB 1508318 A GB1508318 A GB 1508318A
Authority
GB
United Kingdom
Prior art keywords
compressor
pressure
june
sensor
vacuum pump
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.)
Expired
Application number
GB25107/75A
Other languages
English (en)
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 GB1508318A publication Critical patent/GB1508318A/en
Expired 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)
  • Control Of Positive-Displacement Pumps (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
GB25107/75A 1974-06-24 1975-06-11 Vacuum pump apparatus Expired GB1508318A (en)

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 (1)

Publication Number Publication Date
GB1508318A true GB1508318A (en) 1978-04-19

Family

ID=5918845

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25107/75A Expired GB1508318A (en) 1974-06-24 1975-06-11 Vacuum pump apparatus

Country Status (14)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140202461A1 (en) * 2011-05-24 2014-07-24 Invacare Corporation Oxygen compressor with boost stage
US9624918B2 (en) 2012-02-03 2017-04-18 Invacare Corporation Pumping device

Families Citing this family (32)

* 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
FR2621141B1 (fr) * 1987-09-25 1989-12-01 Cit Alcatel Procede de demarrage de pompes a vide couplees en serie, et dispositif permettant la mise en oeuvre de ce procede
US4850806A (en) * 1988-05-24 1989-07-25 The Boc Group, Inc. Controlled by-pass for a booster pump
JPH0545827Y2 (enExample) * 1988-06-24 1993-11-26
JPH02102385A (ja) * 1988-10-08 1990-04-13 Toyo Eng Corp 排気装置
FR2640697B1 (fr) * 1988-12-16 1993-01-08 Cit Alcatel Ensemble de pompage pour l'obtention de vides eleves
FR2652390B1 (fr) * 1989-09-27 1991-11-29 Cit Alcatel Groupe de pompage a vide.
WO1991018142A1 (de) * 1990-05-18 1991-11-28 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
US5961297A (en) 1995-02-28 1999-10-05 Iwata Air Compressor Mfg. Co., Ltd. Oil-free two stage scroll vacuum pump and method for controlling the same pump
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
CN104066989B (zh) * 2011-12-14 2017-03-01 斯特林工业咨询有限公司 用于排空腔室并净化从所述腔室抽取的气体的装置和方法
DE102013223556A1 (de) * 2013-11-19 2015-05-21 Oerlikon Leybold Vacuum Gmbh Vakuumpumpen-System sowie Verfahren zum Betreiben eines Vakuumpumpen-Systems
US20160319810A1 (en) 2015-04-30 2016-11-03 Atlas Copco Comptec, Llc Gas handling system and method for efficiently managing changes in gaseous conditions
US11460034B2 (en) * 2018-11-15 2022-10-04 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
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
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 (enExample) * 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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140202461A1 (en) * 2011-05-24 2014-07-24 Invacare Corporation Oxygen compressor with boost stage
US9624918B2 (en) 2012-02-03 2017-04-18 Invacare Corporation Pumping device

Also Published As

Publication number Publication date
DE2430314C3 (de) 1982-11-25
US4225288A (en) 1980-09-30
JPS58130098U (ja) 1983-09-02
ZA754040B (en) 1976-05-26
AU8240175A (en) 1977-01-06
DD117908A5 (enExample) 1976-02-05
IT1038815B (it) 1979-11-30
DE2430314A1 (de) 1976-01-08
BR7503933A (pt) 1976-07-06
CS211374B2 (en) 1982-02-26
FR2276487B1 (enExample) 1980-12-26
ATA298075A (de) 1976-05-15
JPS5118309A (en) 1976-02-13
CH586852A5 (enExample) 1977-04-15
FR2276487A1 (fr) 1976-01-23
SE7506807L (sv) 1975-12-29
DE2430314B2 (de) 1978-03-02
SE419115B (sv) 1981-07-13
AT334504B (de) 1976-01-25
ES438798A1 (es) 1977-03-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee