FR2276487A1 - Pompe a vide a anneau liquide precedee d'un compresseur - Google Patents
Pompe a vide a anneau liquide precedee d'un compresseurInfo
- 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
Links
- 239000007788 liquid Substances 0.000 title 1
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
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 (fr) | 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 (fr) |
JP (2) | JPS5118309A (fr) |
AT (1) | AT334504B (fr) |
BR (1) | BR7503933A (fr) |
CH (1) | CH586852A5 (fr) |
CS (1) | CS211374B2 (fr) |
DD (1) | DD117908A5 (fr) |
DE (1) | DE2430314C3 (fr) |
ES (1) | ES438798A1 (fr) |
FR (1) | FR2276487A1 (fr) |
GB (1) | GB1508318A (fr) |
IT (1) | IT1038815B (fr) |
SE (1) | SE419115B (fr) |
ZA (1) | ZA754040B (fr) |
Cited By (6)
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 (fr) * | 1988-05-24 | 1989-11-29 | The Boc Group, Inc. | Appareil et Méthode de production de vide |
EP0347706A1 (fr) * | 1988-06-24 | 1989-12-27 | Siemens Aktiengesellschaft | Dispositif de pompe à vide multiétagé |
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 (fr) | 1995-02-28 | 1996-09-04 | Iwata Air Compressor Mfg. Co.,Ltd. | Système de contrÔle d'une pompe à vide à deux étages |
Families Citing this family (26)
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 |
DE4104989A1 (de) * | 1990-05-18 | 1991-11-21 | Mueller Semtec Ohg | Verfahren und vorrichtung zum evakuieren und entfeuchten eines raumes |
DE9116851U1 (de) * | 1990-05-18 | 1994-04-07 | Mueller Semtec Ohg | Vorrichtung zum Entfeuchten eines Trocknerraumes |
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 |
EP2714167A4 (fr) * | 2011-05-24 | 2015-06-24 | Invacare Corp | Compresseur d'oxygène avec étage de surpression |
JP6138144B2 (ja) | 2011-12-14 | 2017-05-31 | ステアリング・インダストリー・コンサルト・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツングSterling Industry Consult GmbH | チャンバを空にして該チャンバから取り出されたガスを浄化するための装置及び方法 |
EP2809949A4 (fr) | 2012-02-03 | 2015-12-09 | Invacare Corp | Dispositif de pompage |
DE102013223556A1 (de) * | 2013-11-19 | 2015-05-21 | Oerlikon Leybold Vacuum Gmbh | Vakuumpumpen-System sowie Verfahren zum Betreiben eines Vakuumpumpen-Systems |
JP6832869B2 (ja) * | 2015-04-30 | 2021-02-24 | アトラス コプコ コンプテック, エルエルシーAtlas Copco Comptec, Llc | ガスの状態の変化を効率的に管理するためのガスハンドリングシステムおよび方法 |
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 |
Family Cites Families (13)
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 (fr) * | 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 |
-
1974
- 1974-06-24 DE DE2430314A patent/DE2430314C3/de not_active Expired
-
1975
- 1975-04-18 AT AT298075A patent/AT334504B/de not_active IP Right Cessation
- 1975-05-05 DD DD185842A patent/DD117908A5/xx unknown
- 1975-06-09 US US05/585,374 patent/US4225288A/en not_active Expired - Lifetime
- 1975-06-10 IT IT24170/75A patent/IT1038815B/it active
- 1975-06-11 GB GB25107/75A patent/GB1508318A/en not_active Expired
- 1975-06-13 SE SE7506807A patent/SE419115B/xx unknown
- 1975-06-18 CH CH791875A patent/CH586852A5/xx not_active IP Right Cessation
- 1975-06-19 FR FR7519280A patent/FR2276487A1/fr active Granted
- 1975-06-23 ES ES438798A patent/ES438798A1/es not_active Expired
- 1975-06-23 JP JP50077516A patent/JPS5118309A/ja active Pending
- 1975-06-23 BR BR5058/75D patent/BR7503933A/pt unknown
- 1975-06-23 CS CS754418A patent/CS211374B2/cs unknown
- 1975-06-24 ZA ZA00754040A patent/ZA754040B/xx unknown
-
1982
- 1982-12-27 JP JP1982202690U patent/JPS58130098U/ja active Pending
Cited By (12)
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 |
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 |
EP0343914A1 (fr) * | 1988-05-24 | 1989-11-29 | The Boc Group, Inc. | Appareil et Méthode de production de vide |
EP0347706A1 (fr) * | 1988-06-24 | 1989-12-27 | Siemens Aktiengesellschaft | Dispositif de pompe à vide multiétagé |
US5244352A (en) * | 1988-06-24 | 1993-09-14 | Siemens Aktiengesellschaft | Multi-stage vacuum pump installation |
EP0373975A1 (fr) * | 1988-12-16 | 1990-06-20 | Alcatel Cit | Ensemble de pompage pour l'obtention de vides élevés |
FR2640697A1 (fr) * | 1988-12-16 | 1990-06-22 | Cit Alcatel | Ensemble de pompage pour l'obtention de vides eleves |
WO1990007061A1 (fr) * | 1988-12-16 | 1990-06-28 | Alcatel Cit | 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 (fr) | 1995-02-28 | 1996-09-04 | Iwata Air Compressor Mfg. Co.,Ltd. | Système de contrÔle d'une pompe à vide à deux étages |
EP1101943A2 (fr) | 1995-02-28 | 2001-05-23 | Anest Iwata Corporation | Système de contrôle d'une pompe à vide à deux étages |
Also Published As
Publication number | Publication date |
---|---|
FR2276487B1 (fr) | 1980-12-26 |
JPS58130098U (ja) | 1983-09-02 |
ES438798A1 (es) | 1977-03-16 |
IT1038815B (it) | 1979-11-30 |
DE2430314A1 (de) | 1976-01-08 |
CS211374B2 (en) | 1982-02-26 |
ATA298075A (de) | 1976-05-15 |
GB1508318A (en) | 1978-04-19 |
DE2430314B2 (de) | 1978-03-02 |
ZA754040B (en) | 1976-05-26 |
AT334504B (de) | 1976-01-25 |
DD117908A5 (fr) | 1976-02-05 |
CH586852A5 (fr) | 1977-04-15 |
AU8240175A (en) | 1977-01-06 |
SE7506807L (sv) | 1975-12-29 |
JPS5118309A (en) | 1976-02-13 |
DE2430314C3 (de) | 1982-11-25 |
SE419115B (sv) | 1981-07-13 |
US4225288A (en) | 1980-09-30 |
BR7503933A (pt) | 1976-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2276487A1 (fr) | Pompe a vide a anneau liquide precedee d'un compresseur | |
FR2280809A1 (fr) | Pompe a vide | |
FR2343140A1 (fr) | Pompe pour le pompage non pulsatoire d'un liquide | |
FR2295269A1 (fr) | Groupe compresseur a anneau liquide | |
BE841360A (fr) | Pompe a liquides | |
BE848132A (fr) | Pompes et compresseurs a anneau de liquide ferrofluidique, | |
BE838237A (fr) | Pompe a perfusion. | |
FR2276484A1 (fr) | Pompe peristaltique | |
FR2278951A1 (fr) | Dispositif anti-erosion d'une pompe aspirante et foulante | |
FR2299532A1 (fr) | Pompe a liquide | |
IT1040917B (it) | Perfezionamento nelle pompe a stantuffi assiali | |
BE797933A (fr) | Moto-pompe aspirante a anneau liquide | |
FR2289771A1 (fr) | Pompe a pistons radiaux | |
FR2288892A1 (fr) | Pompe a injection | |
FR2347548A1 (fr) | Pompe a plongeur pour hautes pressions | |
BE770188A (fr) | Compresseur a anneau liquide | |
FR2276483A1 (fr) | Pompe peristaltique et tube pour une telle pompe | |
FR2347547A1 (fr) | Pompe a plongeur pour hautes pressions | |
FR2288886A1 (fr) | Pompe doseuse a un seul etage | |
IT1033460B (it) | Compressore ad anello di liquido | |
FR2279949A1 (fr) | Pompe a piston radial | |
FR2289773A1 (fr) | Pompe a vide avec soupape d'isolement incorporee | |
FR2349050A1 (fr) | Goupilles d'accouplement pour pompe a vide a ailettes | |
FR2347552A1 (fr) | Perfectionnements aux pompes a anneau liquide | |
BE861811A (fr) | Perfectionnement d'une pompe aspirante et foulante |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |