FR2423657A1 - Stator de pompe a excentrique helicoidale - Google Patents

Stator de pompe a excentrique helicoidale

Info

Publication number
FR2423657A1
FR2423657A1 FR7910432A FR7910432A FR2423657A1 FR 2423657 A1 FR2423657 A1 FR 2423657A1 FR 7910432 A FR7910432 A FR 7910432A FR 7910432 A FR7910432 A FR 7910432A FR 2423657 A1 FR2423657 A1 FR 2423657A1
Authority
FR
France
Prior art keywords
helicoidal
pump stator
eccentric pump
sleeve
stator
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.)
Pending
Application number
FR7910432A
Other languages
English (en)
Inventor
Max Streicher
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.)
Foerdertechnik Streicher GmbH
Original Assignee
Foerdertechnik Streicher GmbH
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 Foerdertechnik Streicher GmbH filed Critical Foerdertechnik Streicher GmbH
Publication of FR2423657A1 publication Critical patent/FR2423657A1/fr
Pending 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
    • 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
    • F04C2/1075—Construction of the stationary member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

Stator de pompe à excentrique hélicoïdale comportant une enveloppe rigide assemblable par serrage transversal par rapport à l'axe 7 de la pompe et comportant une fourrure creuse hélicoïdale double en matière de souplesse limitée et favorisant le glissement, cette fourrure constituant un élément autonome avec une douille de revêtement 1 en une pièce qui, longitudinalement à plusieurs endroits décalés de l'enveloppe de stator 2 est, par serrage 3, mise en contact fixe avec celle-ci.
FR7910432A 1978-04-20 1979-04-20 Stator de pompe a excentrique helicoidale Pending FR2423657A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782817280 DE2817280A1 (de) 1978-04-20 1978-04-20 Stator fuer exzenterschneckenpumpen

Publications (1)

Publication Number Publication Date
FR2423657A1 true FR2423657A1 (fr) 1979-11-16

Family

ID=6037578

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7910432A Pending FR2423657A1 (fr) 1978-04-20 1979-04-20 Stator de pompe a excentrique helicoidale

Country Status (3)

Country Link
DE (1) DE2817280A1 (fr)
FR (1) FR2423657A1 (fr)
GB (1) GB2021199A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU181561B (en) * 1980-07-17 1983-10-28 Femmechanika Stator for single-spindle screw pump
ZW16083A1 (en) * 1982-07-20 1984-02-08 Mono Pumps Africa Pty Helical gear pump
DE3525529C1 (de) * 1985-07-17 1986-08-07 Netzsch-Mohnopumpen GmbH, 8264 Waldkraiburg Stator fuer Exzenterschneckenpumpen
US4676725A (en) * 1985-12-27 1987-06-30 Hughes Tool Company Moineau type gear mechanism with resilient sleeve
FR2633673B1 (fr) * 1988-07-01 1991-04-26 Vennin Henri Pompe ou moteur volumique helicoidal
DE4134853C1 (fr) * 1991-05-22 1992-11-12 Netzsch-Mohnopumpen Gmbh, 8264 Waldkraiburg, De
PL2176552T3 (pl) * 2007-08-17 2012-10-31 Seepex Gmbh Mimośrodowa pompa śrubowa z dzielonym statorem
DE102009015024B3 (de) * 2009-03-26 2010-07-15 Netzsch-Mohnopumpen Gmbh Stator für Exzenterschneckenpumpen
DE102012112044B4 (de) * 2012-05-04 2015-10-08 Netzsch Pumpen & Systeme Gmbh Selbstfixierendes Statorgehäuse
US9404493B2 (en) 2012-06-04 2016-08-02 Indian Institute Of Technology Madras Progressive cavity pump including a bearing between the rotor and stator
US9133841B2 (en) * 2013-04-11 2015-09-15 Cameron International Corporation Progressing cavity stator with metal plates having apertures with englarged ends
KR20170068496A (ko) * 2014-10-07 2017-06-19 액세스 비지니스 그룹 인터내셔날 엘엘씨 개인용 제형 디바이스
US11268385B2 (en) * 2019-10-07 2022-03-08 Nov Canada Ulc Hybrid core progressive cavity pump
US11813580B2 (en) 2020-09-02 2023-11-14 Nov Canada Ulc Static mixer suitable for additive manufacturing

Also Published As

Publication number Publication date
DE2817280A1 (de) 1979-10-25
GB2021199A (en) 1979-11-28

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