DE1302962B - - Google Patents

Info

Publication number
DE1302962B
DE1302962B DE1964A0047152 DEA0047152A DE1302962B DE 1302962 B DE1302962 B DE 1302962B DE 1964A0047152 DE1964A0047152 DE 1964A0047152 DE A0047152 A DEA0047152 A DE A0047152A DE 1302962 B DE1302962 B DE 1302962B
Authority
DE
Germany
Prior art keywords
stator
pressure
pump
rotor
inlet
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
DE1964A0047152
Other languages
German (de)
English (en)
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 filed Critical
Publication of DE1302962B publication Critical patent/DE1302962B/de
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
DE1964A0047152 1964-08-18 1964-09-23 Pending DE1302962B (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9970/64A SE307736B (enrdf_load_stackoverflow) 1964-08-18 1964-08-18

Publications (1)

Publication Number Publication Date
DE1302962B true DE1302962B (enrdf_load_stackoverflow) 1971-04-08

Family

ID=20277923

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1964A0047152 Pending DE1302962B (enrdf_load_stackoverflow) 1964-08-18 1964-09-23

Country Status (5)

Country Link
US (1) US3286642A (enrdf_load_stackoverflow)
DE (1) DE1302962B (enrdf_load_stackoverflow)
FR (1) FR1435427A (enrdf_load_stackoverflow)
GB (1) GB1033879A (enrdf_load_stackoverflow)
SE (1) SE307736B (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354537A (en) * 1965-12-01 1967-11-28 Walter J O'connor Renewable moineau-type pumping mechanism
US4669961A (en) * 1986-05-06 1987-06-02 Hughes Tool Company Thrust balancing device for a progressing cavity pump
US6093004A (en) * 1998-02-12 2000-07-25 Zenergy Llc Pump/motor apparatus using 2-lobe stator
DE10243674B3 (de) * 2002-09-20 2004-04-01 Netzsch-Mohnopumpen Gmbh Exzenterschneckenpumpe mit Reservestator
RU2228444C1 (ru) * 2003-03-25 2004-05-10 Общество с ограниченной ответственностью фирма "Радиус-Сервис" Героторный механизм винтовой гидромашины
US7553139B2 (en) * 2006-10-06 2009-06-30 Moyno, Inc. Progressing cavity pump with wobble stator and magnetic drive
CN102536794B (zh) * 2011-12-31 2015-01-14 重庆明珠机电有限公司 自润滑单螺杆泵
CN106678036B (zh) * 2015-11-10 2019-01-11 耐驰（兰州）泵业有限公司 用于偏心螺杆泵的可调整定子

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2505136A (en) * 1946-06-18 1950-04-25 Robbins & Myers Internal helical gear pump
US2862454A (en) * 1954-06-25 1958-12-02 Robbins & Myers Helical gear pumps
US2874643A (en) * 1957-10-15 1959-02-24 Robbins & Myers Helical gear pump with stator compression
US3011445A (en) * 1957-11-13 1961-12-05 Robbin & Myers Inc Helical gear pump with by-pass

Also Published As

Publication number Publication date
FR1435427A (fr) 1966-04-15
US3286642A (en) 1966-11-22
GB1033879A (en) 1966-06-22
SE307736B (enrdf_load_stackoverflow) 1969-01-13

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