AT247155B - Screw pump - Google Patents

Screw pump

Info

Publication number
AT247155B
AT247155B AT285264A AT285264A AT247155B AT 247155 B AT247155 B AT 247155B AT 285264 A AT285264 A AT 285264A AT 285264 A AT285264 A AT 285264A AT 247155 B AT247155 B AT 247155B
Authority
AT
Austria
Prior art keywords
screw pump
pump
screw
Prior art date
Application number
AT285264A
Other languages
German (de)
Original Assignee
Flygts Pumpar Ab
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 Flygts Pumpar Ab filed Critical Flygts Pumpar Ab
Application granted granted Critical
Publication of AT247155B publication Critical patent/AT247155B/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/28—Grooving workpieces
    • B23C3/32—Milling helical grooves, e.g. in making twist-drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D1/00—Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only
    • 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
    • F04C2250/00—Geometry
    • F04C2250/20—Geometry of the rotor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
AT285264A 1963-04-23 1964-04-02 Screw pump AT247155B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE442163 1963-04-23

Publications (1)

Publication Number Publication Date
AT247155B true AT247155B (en) 1966-05-25

Family

ID=20264151

Family Applications (1)

Application Number Title Priority Date Filing Date
AT285264A AT247155B (en) 1963-04-23 1964-04-02 Screw pump

Country Status (9)

Country Link
US (1) US3208391A (en)
AT (1) AT247155B (en)
BE (1) BE646869A (en)
CH (1) CH412586A (en)
DK (1) DK112423B (en)
ES (1) ES298683A1 (en)
FI (1) FI40440B (en)
GB (1) GB972420A (en)
NL (1) NL6404512A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912426A (en) * 1974-01-15 1975-10-14 Smith International Segmented stator for progressive cavity transducer
FR2683001B1 (en) * 1991-10-23 1994-02-04 Andre Leroy AXIAL VOLUMETRIC MACHINE.
EP1382853B1 (en) * 2002-07-17 2006-02-22 Elthom Enterprises Limited Rotary screw machine and method of transforming a motion in such a machine
DE202009002823U1 (en) 2009-03-02 2009-07-30 Daunheimer, Ralf Cavity Pump
US8083508B2 (en) * 2010-01-15 2011-12-27 Blue Helix, Llc Progressive cavity compressor having check valves on the discharge endplate
DE102013109829B4 (en) * 2013-09-09 2016-10-13 Netzsch Pumpen & Systeme Gmbh Eccentric screw pump for conveying liquid and / or granular media comprising a stator with elastic lining
CN103883522B (en) * 2014-03-17 2016-03-02 北京工业大学 A kind of curved surface forming method of Conic thread rod-lining pair
CN105240269A (en) * 2014-06-26 2016-01-13 水利部科技推广中心 Double-end U-type thread divided spiral micro-nano bubble device
US11035364B2 (en) 2015-05-29 2021-06-15 Sten Kreuger Pressure changing device
US10001123B2 (en) 2015-05-29 2018-06-19 Sten Kreuger Fluid pressure changing device
EP3499038B1 (en) * 2017-12-14 2020-07-08 Services Pétroliers Schlumberger Stator and rotor profile for improved power section performance and reliability
CN108746830A (en) * 2018-06-23 2018-11-06 汪建文 A kind of rotation dynamic formula ring-type shear
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
WO2022147626A1 (en) 2021-01-08 2022-07-14 Rotoliptic Technologies Incorporated Rotary machines with teardrop-shaped rotors
US12146492B2 (en) 2021-01-08 2024-11-19 Rotoliptic Technologies Incorporated Helical trochoidal rotary machines with improved solids handling

Also Published As

Publication number Publication date
NL6404512A (en) 1964-10-26
FI40440B (en) 1968-09-30
BE646869A (en) 1964-08-17
ES298683A1 (en) 1964-09-01
US3208391A (en) 1965-09-28
DK112423B (en) 1968-12-09
CH412586A (en) 1966-04-30
GB972420A (en) 1964-10-14

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