SE7707331L - Eccentric screw pump - Google Patents

Eccentric screw pump

Info

Publication number
SE7707331L
SE7707331L SE7707331A SE7707331A SE7707331L SE 7707331 L SE7707331 L SE 7707331L SE 7707331 A SE7707331 A SE 7707331A SE 7707331 A SE7707331 A SE 7707331A SE 7707331 L SE7707331 L SE 7707331L
Authority
SE
Sweden
Prior art keywords
screw pump
eccentric screw
eccentric
pump
screw
Prior art date
Application number
SE7707331A
Other languages
Swedish (sv)
Inventor
J Polesovsky
J Filippi
Original Assignee
Sigma Lutin
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 Sigma Lutin filed Critical Sigma Lutin
Publication of SE7707331L publication Critical patent/SE7707331L/en

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)
SE7707331A 1976-07-06 1977-06-23 Eccentric screw pump SE7707331L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS7600004444A CS185459B1 (en) 1976-07-06 1976-07-06 Single-spindle pump with epitrochoidal profile

Publications (1)

Publication Number Publication Date
SE7707331L true SE7707331L (en) 1978-01-07

Family

ID=5387173

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7707331A SE7707331L (en) 1976-07-06 1977-06-23 Eccentric screw pump

Country Status (4)

Country Link
CS (1) CS185459B1 (en)
DE (1) DE2730576A1 (en)
GB (1) GB1542366A (en)
SE (1) SE7707331L (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2278402A (en) * 1993-05-27 1994-11-30 Mono Pumps Ltd Helical gear fluid machine.
CA3112348A1 (en) 2018-09-11 2020-03-19 Rotoliptic Technologies Incorporated Helical trochoidal and offset-trochoidal rotary machines
US11815094B2 (en) 2020-03-10 2023-11-14 Rotoliptic Technologies Incorporated Fixed-eccentricity helical trochoidal rotary machines
US11802558B2 (en) 2020-12-30 2023-10-31 Rotoliptic Technologies Incorporated Axial load in helical trochoidal rotary machines
US12146492B2 (en) 2021-01-08 2024-11-19 Rotoliptic Technologies Incorporated Helical trochoidal rotary machines with improved solids handling
WO2022147626A1 (en) 2021-01-08 2022-07-14 Rotoliptic Technologies Incorporated Rotary machines with teardrop-shaped rotors

Also Published As

Publication number Publication date
CS185459B1 (en) 1978-09-15
DE2730576A1 (en) 1978-01-12
GB1542366A (en) 1979-03-14

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