EP2660471A4 - Uniaxial eccentric screw pump - Google Patents

Uniaxial eccentric screw pump

Info

Publication number
EP2660471A4
EP2660471A4 EP11853739.8A EP11853739A EP2660471A4 EP 2660471 A4 EP2660471 A4 EP 2660471A4 EP 11853739 A EP11853739 A EP 11853739A EP 2660471 A4 EP2660471 A4 EP 2660471A4
Authority
EP
European Patent Office
Prior art keywords
screw pump
eccentric screw
uniaxial eccentric
uniaxial
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.)
Withdrawn
Application number
EP11853739.8A
Other languages
German (de)
French (fr)
Other versions
EP2660471A1 (en
Inventor
Takashi Hashima
Masaki Ogawa
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.)
Heishin Ltd
Original Assignee
Heishin Ltd
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 Heishin Ltd filed Critical Heishin Ltd
Publication of EP2660471A1 publication Critical patent/EP2660471A1/en
Publication of EP2660471A4 publication Critical patent/EP2660471A4/en
Withdrawn legal-status Critical Current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
    • 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • 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
    • 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
    • F04C2230/00—Manufacture
    • 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
    • F04C2230/00—Manufacture
    • F04C2230/60—Assembly methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP11853739.8A 2010-12-27 2011-12-26 Uniaxial eccentric screw pump Withdrawn EP2660471A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010290366A JP5821058B2 (en) 2010-12-27 2010-12-27 Uniaxial eccentric screw pump
PCT/JP2011/080135 WO2012090968A1 (en) 2010-12-27 2011-12-26 Uniaxial eccentric screw pump

Publications (2)

Publication Number Publication Date
EP2660471A1 EP2660471A1 (en) 2013-11-06
EP2660471A4 true EP2660471A4 (en) 2015-01-21

Family

ID=46383068

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11853739.8A Withdrawn EP2660471A4 (en) 2010-12-27 2011-12-26 Uniaxial eccentric screw pump

Country Status (5)

Country Link
EP (1) EP2660471A4 (en)
JP (1) JP5821058B2 (en)
KR (1) KR101890001B1 (en)
CN (1) CN103282664B (en)
WO (1) WO2012090968A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101864972B1 (en) * 2013-10-29 2018-06-05 헤이신 엘티디. Uniaxial eccentric screw pump
JP6349565B2 (en) * 2014-01-28 2018-07-04 兵神装備株式会社 Uniaxial eccentric screw pump
CN105370563B (en) * 2014-08-19 2018-08-21 中联重科股份有限公司 A kind of screw pump
KR20170068496A (en) * 2014-10-07 2017-06-19 액세스 비지니스 그룹 인터내셔날 엘엘씨 Personal formulation device
DE102015112248A1 (en) * 2015-01-29 2016-08-04 Netzsch Pumpen & Systeme Gmbh Eccentric screw pump and method for adjusting the operating state of an eccentric screw pump
DE102015104300B4 (en) * 2015-03-23 2016-12-01 Pumpenfabrik Wangen Gmbh Eccentric screw pump and method for removing a stator from such an eccentric screw pump
DE102015007521B4 (en) * 2015-06-12 2017-01-12 Netzsch Pumpen & Systeme Gmbh Pump housing for an eccentric screw pump and eccentric screw pump equipped therewith
JP6481828B2 (en) * 2015-12-25 2019-03-13 兵神装備株式会社 Uniaxial eccentric screw pump
DE102017126002B3 (en) * 2017-11-07 2019-02-14 Seepex Gmbh Cavity Pump
EP3767105B1 (en) * 2019-07-16 2021-12-29 Arnold Jäger Holding GmbH Stator for a helical gear pump
JP6824537B1 (en) * 2019-09-24 2021-02-03 兵神装備株式会社 Uniaxial eccentric screw pump
CA3115512C (en) * 2020-04-21 2023-08-22 Roper Pump Company Stator with modular interior

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415216A1 (en) * 1976-11-25 1979-08-17 Potard Germain Screw pump with flexible stator - has curved pressure plates adjusted by screws to compress stator when worn
US4313717A (en) * 1979-10-04 1982-02-02 Kopecky Eugene F Adjustable pressure extrusion pump
EP0380050A2 (en) * 1989-01-23 1990-08-01 Hidromechanika Szivattyu- Es Anyagmozgatogep- Gyarto Kisszovetkezet Stator arrangement for eccentric spiral pumps
EP0612922A1 (en) * 1993-02-22 1994-08-31 Mono Pumps Limited Progressive cavity pump or motors
EP0943803A1 (en) * 1998-03-18 1999-09-22 USD Formteiltechnik GmbH Stator for a Moineau pump
EP1762726A2 (en) * 2005-09-08 2007-03-14 Netzsch-Mohnopumpen GmbH Stator system of a progressive cavity pump

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2796029A (en) * 1955-08-15 1957-06-18 Robbins & Myers Helical gear pump with adjustable stator compression
US2874643A (en) * 1957-10-15 1959-02-24 Robbins & Myers Helical gear pump with stator compression
DE2027993C3 (en) * 1970-06-06 1978-11-30 Allweiler Ag, 7760 Radolfzell Drive joint for an eccentric screw pump
JPS5717189B2 (en) * 1973-06-19 1982-04-09
JPS58122384A (en) * 1982-01-14 1983-07-21 ユ−ジン・エフ・コペツキ− Variable-pressure pushing pump
JPH0287988U (en) * 1988-12-26 1990-07-12
JPH04104185U (en) * 1991-02-13 1992-09-08 株式会社イワキ screw pump
JP2005344587A (en) 2004-06-02 2005-12-15 Heishin Engineering & Equipment Co Ltd Uniaxial eccentric screw pump
DE102006021897B4 (en) * 2006-05-11 2009-11-19 Netzsch-Mohnopumpen Gmbh Stator jacket for progressing cavity pumps
JP2007303412A (en) * 2006-05-12 2007-11-22 Heishin Engineering & Equipment Co Ltd Uniaxial eccentric screw-pump
JP5267153B2 (en) * 2009-01-22 2013-08-21 兵神装備株式会社 Coated stator for uniaxial eccentric screw pump and uniaxial eccentric screw pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415216A1 (en) * 1976-11-25 1979-08-17 Potard Germain Screw pump with flexible stator - has curved pressure plates adjusted by screws to compress stator when worn
US4313717A (en) * 1979-10-04 1982-02-02 Kopecky Eugene F Adjustable pressure extrusion pump
EP0380050A2 (en) * 1989-01-23 1990-08-01 Hidromechanika Szivattyu- Es Anyagmozgatogep- Gyarto Kisszovetkezet Stator arrangement for eccentric spiral pumps
EP0612922A1 (en) * 1993-02-22 1994-08-31 Mono Pumps Limited Progressive cavity pump or motors
EP0943803A1 (en) * 1998-03-18 1999-09-22 USD Formteiltechnik GmbH Stator for a Moineau pump
EP1762726A2 (en) * 2005-09-08 2007-03-14 Netzsch-Mohnopumpen GmbH Stator system of a progressive cavity pump

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012090968A1 *

Also Published As

Publication number Publication date
EP2660471A1 (en) 2013-11-06
WO2012090968A1 (en) 2012-07-05
KR101890001B1 (en) 2018-08-20
JP2012137038A (en) 2012-07-19
CN103282664B (en) 2017-02-15
JP5821058B2 (en) 2015-11-24
CN103282664A (en) 2013-09-04
KR20130131421A (en) 2013-12-03

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