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FR1299819A - Screw pump - Google Patents

Screw pump

Info

Publication number
FR1299819A
FR1299819A FR869081A FR869081A FR1299819A FR 1299819 A FR1299819 A FR 1299819A FR 869081 A FR869081 A FR 869081A FR 869081 A FR869081 A FR 869081A FR 1299819 A FR1299819 A FR 1299819A
Authority
FR
France
Prior art keywords
screw pump
pump
screw
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
Application number
FR869081A
Other languages
French (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.)
Erich Netzsch GmbH and Co Holding KG
Original Assignee
Erich Netzsch GmbH and Co Holding KG
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 Erich Netzsch GmbH and Co Holding KG filed Critical Erich Netzsch GmbH and Co Holding KG
Priority to FR869081A priority Critical patent/FR1299819A/en
Application granted granted Critical
Publication of FR1299819A publication Critical patent/FR1299819A/en
Expired 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR869081A 1961-07-26 1961-07-26 Screw pump Expired FR1299819A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR869081A FR1299819A (en) 1961-07-26 1961-07-26 Screw pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR869081A FR1299819A (en) 1961-07-26 1961-07-26 Screw pump

Publications (1)

Publication Number Publication Date
FR1299819A true FR1299819A (en) 1962-07-27

Family

ID=8760100

Family Applications (1)

Application Number Title Priority Date Filing Date
FR869081A Expired FR1299819A (en) 1961-07-26 1961-07-26 Screw pump

Country Status (1)

Country Link
FR (1) FR1299819A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2650626A1 (en) * 1989-08-01 1991-02-08 Pcm Pompes ROTATING MACHINE WITH HELICAL GEARS COMPRISING A WATERPROOF PROTECTION OF THE ROTOR COUPLING TO ITS DRIVE MEMBER

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2650626A1 (en) * 1989-08-01 1991-02-08 Pcm Pompes ROTATING MACHINE WITH HELICAL GEARS COMPRISING A WATERPROOF PROTECTION OF THE ROTOR COUPLING TO ITS DRIVE MEMBER
BE1005334A0 (en) * 1989-08-01 1993-06-29 Pcm Pompes ROTATING MACHINE WITH HELICAL GEARS COMPRISING A WATERPROOF PROTECTION OF THE ROTOR COUPLING TO ITS DRIVE.
DE4024297B4 (en) * 1989-08-01 2005-06-02 Pcm Pompes S.A. Machine with helical gear, comprising a sealing protection of the coupling of the rotor to the driving member

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