FR2685739B1 - Dispositif a ejecteurs multiples pour pompe a vide. - Google Patents

Dispositif a ejecteurs multiples pour pompe a vide.

Info

Publication number
FR2685739B1
FR2685739B1 FR9214257A FR9214257A FR2685739B1 FR 2685739 B1 FR2685739 B1 FR 2685739B1 FR 9214257 A FR9214257 A FR 9214257A FR 9214257 A FR9214257 A FR 9214257A FR 2685739 B1 FR2685739 B1 FR 2685739B1
Authority
FR
France
Prior art keywords
vacuum pump
ejector device
multiple ejector
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 - Lifetime
Application number
FR9214257A
Other languages
English (en)
Other versions
FR2685739A1 (fr
Inventor
Greenberg Dan
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2685739A1 publication Critical patent/FR2685739A1/fr
Application granted granted Critical
Publication of FR2685739B1 publication Critical patent/FR2685739B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
    • F04F5/20—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating
    • F04F5/22—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating of multi-stage type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)
FR9214257A 1991-11-27 1992-11-26 Dispositif a ejecteurs multiples pour pompe a vide. Expired - Lifetime FR2685739B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL100168A IL100168A0 (en) 1991-11-27 1991-11-27 High vacuum pump

Publications (2)

Publication Number Publication Date
FR2685739A1 FR2685739A1 (fr) 1993-07-02
FR2685739B1 true FR2685739B1 (fr) 1996-07-05

Family

ID=11063103

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9214257A Expired - Lifetime FR2685739B1 (fr) 1991-11-27 1992-11-26 Dispositif a ejecteurs multiples pour pompe a vide.

Country Status (7)

Country Link
AU (1) AU2973192A (fr)
DE (1) DE4239798A1 (fr)
ES (1) ES2105921B1 (fr)
FR (1) FR2685739B1 (fr)
GB (1) GB2262135A (fr)
IL (1) IL100168A0 (fr)
IT (1) IT1267959B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL125791A (en) * 1998-08-13 2004-05-12 Dan Greenberg Vacuum pump
GB2509182A (en) 2012-12-21 2014-06-25 Xerex Ab Vacuum ejector with multi-nozzle drive stage and booster
GB2509183A (en) 2012-12-21 2014-06-25 Xerex Ab Vacuum ejector with tripped diverging exit flow nozzle
JP6575013B2 (ja) 2012-12-21 2019-09-18 ピアブ・アクチエボラグ 楕円形の末広がりセクションを有する真空エジェクタノズル
GB2509184A (en) 2012-12-21 2014-06-25 Xerex Ab Multi-stage vacuum ejector with moulded nozzle having integral valve elements
GB201418117D0 (en) 2014-10-13 2014-11-26 Xerex Ab Handling device for foodstuff

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE427954B (sv) * 1979-06-15 1983-05-24 Piab Ab Ejektor
SE427955B (sv) * 1980-05-21 1983-05-24 Piab Ab Multiejektor
IL67012A (en) * 1982-10-18 1987-03-31 Dan Greenberg Ejector device and method for producing same
IL74282A0 (en) * 1985-02-08 1985-05-31 Dan Greenberg Multishaft jet suction device
SE466561B (sv) * 1988-06-08 1992-03-02 Peter Tell Multiejektoranordning

Also Published As

Publication number Publication date
ES2105921B1 (es) 1999-01-01
ES2105921A2 (es) 1997-10-16
FR2685739A1 (fr) 1993-07-02
DE4239798A1 (fr) 1993-06-09
IL100168A0 (en) 1992-08-18
AU2973192A (en) 1993-06-03
GB2262135A (en) 1993-06-09
IT1267959B1 (it) 1997-02-18
ITBS920136A0 (it) 1992-11-26
ES2105921R (fr) 1997-11-01
GB9224008D0 (en) 1993-01-06
ITBS920136A1 (it) 1994-05-26

Similar Documents

Publication Publication Date Title
ES1015949Y (es) Un aparato mexclador.
AR245268A1 (es) Dispositivo de descompresion para bombas de aspiracion
FR2652390B1 (fr) Groupe de pompage a vide.
FR2679323B1 (fr) Dispositif d'ejection.
FR2693623B1 (fr) Dispositif pour greffer un plant.
FR2686636B1 (fr) Amelioration pour un dispositif d'etayage.
FR2685739B1 (fr) Dispositif a ejecteurs multiples pour pompe a vide.
DE69105053T2 (de) Pumpvorrichtung.
FR2668844B1 (fr) Dispositif d'affichage a plasma.
FR2682602B1 (fr) Dispositif pour perfusion.
IT1228056B (it) Dispositivo di aspirazione per un filatoio.
FR2661954B1 (fr) Pompe a vide alternative.
DE69102047D1 (de) Flüssigkeitspumpe.
MA21605A1 (fr) Cadran-ecran muni d'un dispositif d'extraction retenue .
FR2684417B1 (fr) Pompe a vide du type a vis.
IT8223400A0 (it) Dispositivo di commutazione per un gruppo pompe.
FR2684977B1 (fr) Dispositif de desempilage.
FR2670060B1 (fr) Dispositif d'entrainement pour un element tournant.
FR2667394B1 (fr) Dispositif pour le calibrage d'un photodetecteur rapide.
FR2681158B1 (fr) Dispositif d'extraction de l'extremite d'un film negatif hors d'une cassette.
DE69101608D1 (de) Kraftstoffpumpenvorrichtung.
FR2690907B1 (fr) Dispositif detecteur d'encombrements pour un convoyeur d'objets.
FR2670279B1 (fr) Dispositif pour accelerer un projectile au moyen d'un plasma.
FR2685373B1 (fr) Amelioration pour un dispositif d'etayage.
FR2674665B1 (fr) Dispositif de lecture pour un magnetophone.