FR2676255A1 - Pompe a vide seche rotative, volumetrique sans frottement. - Google Patents

Pompe a vide seche rotative, volumetrique sans frottement. Download PDF

Info

Publication number
FR2676255A1
FR2676255A1 FR9105575A FR9105575A FR2676255A1 FR 2676255 A1 FR2676255 A1 FR 2676255A1 FR 9105575 A FR9105575 A FR 9105575A FR 9105575 A FR9105575 A FR 9105575A FR 2676255 A1 FR2676255 A1 FR 2676255A1
Authority
FR
France
Prior art keywords
vacuum pump
discharge
zones
injection
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.)
Granted
Application number
FR9105575A
Other languages
English (en)
French (fr)
Other versions
FR2676255B1 (cg-RX-API-DMAC7.html
Inventor
Crinquette Jean-Marie
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.)
Alcatel CIT SA
Nokia Inc
Original Assignee
Alcatel CIT SA
Nokia Inc
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 Alcatel CIT SA, Nokia Inc filed Critical Alcatel CIT SA
Priority to FR9105575A priority Critical patent/FR2676255A1/fr
Publication of FR2676255A1 publication Critical patent/FR2676255A1/fr
Application granted granted Critical
Publication of FR2676255B1 publication Critical patent/FR2676255B1/fr
Granted 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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0021—Systems for the equilibration of forces acting on the pump
    • F04C29/0035—Equalization of pressure pulses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation
    • F04C29/042—Heating; Cooling; Heat insulation by injecting a fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/126—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2220/00—Application
    • F04C2220/10—Vacuum
    • F04C2220/12—Dry running

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
FR9105575A 1991-05-07 1991-05-07 Pompe a vide seche rotative, volumetrique sans frottement. Granted FR2676255A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9105575A FR2676255A1 (fr) 1991-05-07 1991-05-07 Pompe a vide seche rotative, volumetrique sans frottement.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9105575A FR2676255A1 (fr) 1991-05-07 1991-05-07 Pompe a vide seche rotative, volumetrique sans frottement.

Publications (2)

Publication Number Publication Date
FR2676255A1 true FR2676255A1 (fr) 1992-11-13
FR2676255B1 FR2676255B1 (cg-RX-API-DMAC7.html) 1995-02-10

Family

ID=9412596

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9105575A Granted FR2676255A1 (fr) 1991-05-07 1991-05-07 Pompe a vide seche rotative, volumetrique sans frottement.

Country Status (1)

Country Link
FR (1) FR2676255A1 (cg-RX-API-DMAC7.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7950911B2 (en) * 2005-12-27 2011-05-31 Sekisui Chemical Co., Ltd. Single stage root type-vacuum pump and vacuum fluid transport system employing the single stage root type-vacuum pump
ITUB20153710A1 (it) * 2015-08-06 2017-02-06 Jurop S P A Compressore volumetrico a lobi per una attrezzatura e/o un impianto di aspirazione di materiale in forma liquida, solida, polverosa o fangosa

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE623703C (cg-RX-API-DMAC7.html) *
FR951230A (fr) * 1946-07-11 1949-10-19 Roots Connersville Blower Corp Perfectionnements aux pompes rotatives
US3393770A (en) * 1965-01-04 1968-07-23 C M Sorensen Co Inc Automatic recycling oiler

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE623703C (cg-RX-API-DMAC7.html) *
FR951230A (fr) * 1946-07-11 1949-10-19 Roots Connersville Blower Corp Perfectionnements aux pompes rotatives
US3393770A (en) * 1965-01-04 1968-07-23 C M Sorensen Co Inc Automatic recycling oiler

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
OLHYDRAULIK UND PNEUMATIK. vol. 22, no. 12, 1978, MAINZ DE pages 703 - 706; G.LORENZ: 'SCHALLDAEMPFUNGSMASSNAHMEN AN DREHENDEN DRUCKLUFTHANDWERKZEUGEN' *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7950911B2 (en) * 2005-12-27 2011-05-31 Sekisui Chemical Co., Ltd. Single stage root type-vacuum pump and vacuum fluid transport system employing the single stage root type-vacuum pump
ITUB20153710A1 (it) * 2015-08-06 2017-02-06 Jurop S P A Compressore volumetrico a lobi per una attrezzatura e/o un impianto di aspirazione di materiale in forma liquida, solida, polverosa o fangosa
WO2017021941A1 (en) * 2015-08-06 2017-02-09 Jurop S.P.A. Volumetric lobe compressor for equipment collecting waste material
CN108138773A (zh) * 2015-08-06 2018-06-08 优罗普股份公司 用于收集废物材料的设备的容积式叶片压缩机
RU2723468C2 (ru) * 2015-08-06 2020-06-11 Юроп С.П.А. Объемный лопастной компрессор для оборудования, собирающего мусор
CN108138773B (zh) * 2015-08-06 2020-08-07 优罗普股份公司 用于收集废物材料的设备的容积式叶片压缩机
US10871160B2 (en) 2015-08-06 2020-12-22 Jurop S.P.A. Volumetric lobe compressor for equipment collecting waste material

Also Published As

Publication number Publication date
FR2676255B1 (cg-RX-API-DMAC7.html) 1995-02-10

Similar Documents

Publication Publication Date Title
EP0002157B1 (fr) Pompe
EP1048849B1 (fr) Pompe à haute pression pour tous liquides
EP0368122B1 (fr) Pompe à vide du type roots multiétagé
EP0173601B1 (fr) Pompe à vide intégralement sèche et étanche à mouvement rectiligne de compression alternative
FR2559848A1 (fr) Machine a volutes pour comprimer un fluide
FR2676255A1 (fr) Pompe a vide seche rotative, volumetrique sans frottement.
EP0243559A1 (fr) Silencieux pour courant gazeux
FR2547630A1 (fr) Pompe du type roots
FR2661217A1 (fr) Amelioration dans un compresseur du type a chambre torouidale de regeneration.
EP3662153B1 (fr) Moteur a source chaude externe a boisseaux
EP1589227A1 (fr) Pompe à vide multi-étagée et installation de pompage comprenant une telle pompe
FR2634820A1 (fr) Machine a piston rotatif
FR2549908A1 (fr) Machine du type en spirale
FR2642479A1 (fr) Pompe a vide du type roots, multietagee
EP0152321B1 (fr) Dispositif de contrôle de l'échappement et/ou de l'admission des chambres de combustion de moteur à combustion interne
FR3134435A1 (fr) Pompe à vide
FR2510204A1 (fr) Pompe a entrainement magnetique, notamment pour carburants
FR2482208A1 (cg-RX-API-DMAC7.html)
WO1988005118A1 (fr) Profils de rotors, du type a vis, pour machines tournantes vehiculant un fluide gazeux
FR2891876A3 (fr) Dispositif d'injection a rampe commune pour moteur a combustion interne et injection de carburant.
EP4077891B1 (fr) Boisseau en deux parties coaxiales, et moteur a source chaude externe comprenant celui-ci
FR2823539A1 (fr) Attenuateur dynamique du bruit de refoulement sur les machines a vide rotatives
FR2541367A1 (fr) Anneau d'etancheite pour machine volumetrique a vis et pignon
BE485919A (cg-RX-API-DMAC7.html)
FR2798967A1 (fr) Capsulisme pour machine tournante vehiculant un fluide gazeux et pouvant fonctionner en compresseur ou en pompe a vide