FR2372333B1 - - Google Patents

Info

Publication number
FR2372333B1
FR2372333B1 FR7635397A FR7635397A FR2372333B1 FR 2372333 B1 FR2372333 B1 FR 2372333B1 FR 7635397 A FR7635397 A FR 7635397A FR 7635397 A FR7635397 A FR 7635397A FR 2372333 B1 FR2372333 B1 FR 2372333B1
Authority
FR
France
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
Application number
FR7635397A
Other languages
French (fr)
Other versions
FR2372333A1 (fr
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.)
MECANIQUE METALLURGIE STE GLE
Original Assignee
MECANIQUE METALLURGIE STE GLE
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 MECANIQUE METALLURGIE STE GLE filed Critical MECANIQUE METALLURGIE STE GLE
Priority to FR7635397A priority Critical patent/FR2372333A1/fr
Publication of FR2372333A1 publication Critical patent/FR2372333A1/fr
Application granted granted Critical
Publication of FR2372333B1 publication Critical patent/FR2372333B1/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
    • F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • F04C13/001—Pumps for particular liquids
    • F04C13/002—Pumps for particular liquids for homogeneous viscous liquids
    • F04C13/004—Pumps for particular liquids for homogeneous viscous liquids with means for fluidising or diluting the material being pumped
    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
    • F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
    • F04C2/1073—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type where one member is stationary while the other member rotates and orbits

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Transport Of Granular Materials (AREA)
FR7635397A 1976-11-24 1976-11-24 Perfectionnements aux pompes a vis Granted FR2372333A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7635397A FR2372333A1 (fr) 1976-11-24 1976-11-24 Perfectionnements aux pompes a vis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7635397A FR2372333A1 (fr) 1976-11-24 1976-11-24 Perfectionnements aux pompes a vis

Publications (2)

Publication Number Publication Date
FR2372333A1 FR2372333A1 (fr) 1978-06-23
FR2372333B1 true FR2372333B1 (enrdf_load_html_response) 1979-03-23

Family

ID=9180252

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7635397A Granted FR2372333A1 (fr) 1976-11-24 1976-11-24 Perfectionnements aux pompes a vis

Country Status (1)

Country Link
FR (1) FR2372333A1 (enrdf_load_html_response)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2692320B1 (fr) * 1992-06-12 1995-11-24 Inst Francais Du Petrole Dispositif et methode de pompage d'un liquide visqueux comportant l'injection d'un produit fluidifiant, application aux puits horizontaux.
US6120267A (en) * 1998-04-01 2000-09-19 Robbins & Myers, Inc. Progressing cavity pump including a stator modified to improve material handling capability
EP1308624B1 (de) * 2001-10-30 2005-12-07 Grundfos a/s Tauchmotorpumpe
CN111219328B (zh) * 2020-01-09 2021-07-23 深圳市森镁环保回收有限公司 一种环保节能抽排污水设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1361840A (fr) * 1963-07-10 1964-05-22 Pompe à vis sans fin excentrée
FR1563182A (enrdf_load_html_response) * 1968-02-29 1969-04-11
DE2316127A1 (de) * 1973-03-30 1974-10-10 Netzsch Mohnopumpen Gmbh Exzenterschneckenpumpe

Also Published As

Publication number Publication date
FR2372333A1 (fr) 1978-06-23

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Legal Events

Date Code Title Description
ST Notification of lapse