DD117908A5 - - Google Patents
Info
- Publication number
- DD117908A5 DD117908A5 DD185842A DD18584275A DD117908A5 DD 117908 A5 DD117908 A5 DD 117908A5 DD 185842 A DD185842 A DD 185842A DD 18584275 A DD18584275 A DD 18584275A DD 117908 A5 DD117908 A5 DD 117908A5
- Authority
- DD
- German Democratic Republic
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)
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 |
|---|---|
| DD117908A5 true DD117908A5 (US06521211-20030218-C00004.png) | 1976-02-05 |
Family
ID=5918845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD185842A DD117908A5 (US06521211-20030218-C00004.png) | 1974-06-24 | 1975-05-05 |
Country Status (14)
Families Citing this family (32)
| 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 |
| ES2030561T3 (es) * | 1988-06-24 | 1992-11-01 | Siemens Aktiengesellschaft | Grupo de bombas de vacio de varias fases. |
| 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. |
| DE4104989A1 (de) * | 1990-05-18 | 1991-11-21 | Mueller Semtec Ohg | Verfahren und vorrichtung zum evakuieren und entfeuchten eines raumes |
| US5430956A (en) * | 1990-05-18 | 1995-07-11 | Semtec Muller Ohg | Process and device to dry laundry and the like |
| DE19500823A1 (de) * | 1995-01-13 | 1996-07-18 | Sgi Prozess Technik Gmbh | Vakuum-Pumpstand |
| DE69623516T2 (de) | 1995-02-28 | 2003-05-15 | Anest Iwata Corp., Tokio/Tokyo | Kontrollsystem für zweistufige Vakuumpumpe |
| 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 (en) * | 2011-05-24 | 2015-06-24 | Invacare Corp | OXYGEN COMPRESSOR WITH OVERPRESSURE FLOOR |
| 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 |
| CA2863207A1 (en) | 2012-02-03 | 2013-08-08 | Invacare Corporation | Pumping device |
| 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 |
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 (US06521211-20030218-C00004.png) * | 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 CS CS754418A patent/CS211374B2/cs unknown
- 1975-06-23 JP JP50077516A patent/JPS5118309A/ja active Pending
- 1975-06-23 ES ES438798A patent/ES438798A1/es not_active Expired
- 1975-06-23 BR BR5058/75D patent/BR7503933A/pt unknown
- 1975-06-24 ZA ZA00754040A patent/ZA754040B/xx unknown
-
1982
- 1982-12-27 JP JP1982202690U patent/JPS58130098U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ATA298075A (de) | 1976-05-15 |
| FR2276487A1 (fr) | 1976-01-23 |
| JPS58130098U (ja) | 1983-09-02 |
| DE2430314C3 (de) | 1982-11-25 |
| BR7503933A (pt) | 1976-07-06 |
| CS211374B2 (en) | 1982-02-26 |
| JPS5118309A (en) | 1976-02-13 |
| AU8240175A (en) | 1977-01-06 |
| ZA754040B (en) | 1976-05-26 |
| SE419115B (sv) | 1981-07-13 |
| FR2276487B1 (US06521211-20030218-C00004.png) | 1980-12-26 |
| AT334504B (de) | 1976-01-25 |
| US4225288A (en) | 1980-09-30 |
| IT1038815B (it) | 1979-11-30 |
| SE7506807L (sv) | 1975-12-29 |
| CH586852A5 (US06521211-20030218-C00004.png) | 1977-04-15 |
| GB1508318A (en) | 1978-04-19 |
| ES438798A1 (es) | 1977-03-16 |
| DE2430314A1 (de) | 1976-01-08 |
| DE2430314B2 (de) | 1978-03-02 |
