FR2445903A1 - Pompe a vide a double effet - Google Patents
Pompe a vide a double effetInfo
- Publication number
- FR2445903A1 FR2445903A1 FR7931896A FR7931896A FR2445903A1 FR 2445903 A1 FR2445903 A1 FR 2445903A1 FR 7931896 A FR7931896 A FR 7931896A FR 7931896 A FR7931896 A FR 7931896A FR 2445903 A1 FR2445903 A1 FR 2445903A1
- Authority
- FR
- France
- Prior art keywords
- vacuum pump
- double acting
- acting vacuum
- reached
- double
- 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
- 238000005086 pumping Methods 0.000 abstract 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
- F04B39/0016—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons with valve arranged in the piston
-
- 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
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Dans cette pompe à vide à double effet comportant deux enceintes de travail séparées l'une de l'autre par un élément de pompage 2, les enceintes 3, 4 sont branchées en parallèle tant qu'un niveau de pression prédéterminé n'a pas été atteint Lorsque ce niveau a été franchi, ces enceintes sont branchées en série.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2855608A DE2855608C2 (de) | 1978-12-22 | 1978-12-22 | Doppelt wirkende Vakuumpumpe |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2445903A1 true FR2445903A1 (fr) | 1980-08-01 |
FR2445903B1 FR2445903B1 (fr) | 1986-07-25 |
Family
ID=6058075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7931896A Expired FR2445903B1 (fr) | 1978-12-22 | 1979-12-21 | Pompe a vide a double effet |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS55123384A (fr) |
DE (1) | DE2855608C2 (fr) |
ES (1) | ES247408Y (fr) |
FR (1) | FR2445903B1 (fr) |
GB (1) | GB2040361B (fr) |
IT (1) | IT1162462B (fr) |
SE (1) | SE7910423L (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3821321A1 (de) * | 1988-06-24 | 1989-12-28 | Teves Gmbh Alfred | Druckquelle fuer eine hydraulische bremsanlage |
DE4331910C2 (de) * | 1993-09-20 | 1997-05-28 | Aisan Ind | Hubkolben-Strömungsmittelpumpe |
CH690414A5 (de) * | 1994-11-03 | 2000-09-15 | Breitschmid Ag | Reinigungsbürste, insbesondere für Gebissprothesen. |
GB9604645D0 (en) * | 1996-03-01 | 1996-05-01 | Boc Group Plc | Improvements in vacuum pumps |
US6427453B1 (en) * | 1998-07-31 | 2002-08-06 | The Texas A&M University System | Vapor-compression evaporative air conditioning systems and components |
GB2369411B (en) * | 2000-11-23 | 2002-10-09 | Carmeli Adahan | Pump |
DE10318735A1 (de) * | 2003-04-25 | 2004-11-11 | Leybold Vakuum Gmbh | Kolbenvakuumpumpe |
DE102010005696A1 (de) | 2010-01-25 | 2011-07-28 | Brügmann und Freyermuth OHG "cad.Kat"- und "Euro Trax" Sonderkonstruktionen, 24159 | Zughilfe für verschleppbare Einrichtungen |
US9511900B2 (en) | 2010-05-05 | 2016-12-06 | Invensor Gmbh | Self-stabilizing partition wall with enhanced thermal insulation for negative-pressure tanks |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE213855C (fr) * | ||||
FR813038A (fr) * | 1935-08-08 | 1937-05-25 | Bosch Robert | Pompe à un seul piston à double action |
FR829149A (fr) * | 1937-02-06 | 1938-06-13 | Perfectionnement aux pompes alternatives à vide | |
US2246932A (en) * | 1939-09-21 | 1941-06-24 | Chicago Pneumatic Tool Co | Combination single and two stage vacuum pump |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE21253C (de) * | A. BURCKHARDT (in Firma BURCKHARDT & CO.) und F. J. WEISS in Basel | Vorrichtung zur Verminderung des Einflusses des schädlichen Raumes bei Luftpumpen | ||
DE513137C (de) * | 1930-11-24 | Isaak Julius Awrach Dipl Ing | Kolbenluftpumpe | |
DE129348C (fr) * | ||||
GB169201A (en) * | 1920-05-19 | 1921-09-19 | Worthington Pump & Mach Corp | Improvements in vacuum pumps particularly for use with condenser systems |
DE1154420B (de) * | 1962-02-14 | 1963-09-19 | August Goettker Erben Flachboh | Ortsbewegliche Bohranlage |
-
1978
- 1978-12-22 DE DE2855608A patent/DE2855608C2/de not_active Expired
-
1979
- 1979-11-05 IT IT50738/79A patent/IT1162462B/it active
- 1979-12-12 ES ES1979247408U patent/ES247408Y/es not_active Expired
- 1979-12-18 SE SE7910423A patent/SE7910423L/ not_active Application Discontinuation
- 1979-12-18 GB GB7943601A patent/GB2040361B/en not_active Expired
- 1979-12-20 JP JP16488679A patent/JPS55123384A/ja active Pending
- 1979-12-21 FR FR7931896A patent/FR2445903B1/fr not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE213855C (fr) * | ||||
FR813038A (fr) * | 1935-08-08 | 1937-05-25 | Bosch Robert | Pompe à un seul piston à double action |
FR829149A (fr) * | 1937-02-06 | 1938-06-13 | Perfectionnement aux pompes alternatives à vide | |
US2246932A (en) * | 1939-09-21 | 1941-06-24 | Chicago Pneumatic Tool Co | Combination single and two stage vacuum pump |
Also Published As
Publication number | Publication date |
---|---|
DE2855608A1 (de) | 1980-06-26 |
GB2040361B (en) | 1983-04-13 |
DE2855608C2 (de) | 1984-10-25 |
FR2445903B1 (fr) | 1986-07-25 |
ES247408U (es) | 1980-04-01 |
IT7950738A0 (it) | 1979-11-05 |
GB2040361A (en) | 1980-08-28 |
JPS55123384A (en) | 1980-09-22 |
IT1162462B (it) | 1987-04-01 |
ES247408Y (es) | 1980-10-01 |
SE7910423L (sv) | 1980-06-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |