AT349904B - LIQUID PUMP, IN PARTICULAR FOR PLASTER STARTING DEVICES - Google Patents

LIQUID PUMP, IN PARTICULAR FOR PLASTER STARTING DEVICES

Info

Publication number
AT349904B
AT349904B AT488477A AT488477A AT349904B AT 349904 B AT349904 B AT 349904B AT 488477 A AT488477 A AT 488477A AT 488477 A AT488477 A AT 488477A AT 349904 B AT349904 B AT 349904B
Authority
AT
Austria
Prior art keywords
plaster
liquid pump
starting devices
starting
devices
Prior art date
Application number
AT488477A
Other languages
German (de)
Other versions
ATA488477A (en
Original Assignee
Melchior Martin Theodor
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 Melchior Martin Theodor filed Critical Melchior Martin Theodor
Publication of ATA488477A publication Critical patent/ATA488477A/en
Application granted granted Critical
Publication of AT349904B publication Critical patent/AT349904B/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
    • 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
    • F04C2250/201—Geometry of the rotor conical shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
AT488477A 1976-07-21 1977-07-07 LIQUID PUMP, IN PARTICULAR FOR PLASTER STARTING DEVICES AT349904B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762632716 DE2632716A1 (en) 1976-07-21 1976-07-21 LIQUID PUMP, ESPECIALLY FOR PLASTER STARTING DEVICES

Publications (2)

Publication Number Publication Date
ATA488477A ATA488477A (en) 1978-09-15
AT349904B true AT349904B (en) 1979-05-10

Family

ID=5983539

Family Applications (1)

Application Number Title Priority Date Filing Date
AT488477A AT349904B (en) 1976-07-21 1977-07-07 LIQUID PUMP, IN PARTICULAR FOR PLASTER STARTING DEVICES

Country Status (9)

Country Link
AT (1) AT349904B (en)
BE (1) BE856930A (en)
DE (1) DE2632716A1 (en)
FR (1) FR2359292A1 (en)
GB (1) GB1583582A (en)
IT (1) IT1081141B (en)
LU (1) LU77818A1 (en)
NL (1) NL7708105A (en)
SE (1) SE7708127L (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6358027B1 (en) * 2000-06-23 2002-03-19 Weatherford/Lamb, Inc. Adjustable fit progressive cavity pump/motor apparatus and method
US6457958B1 (en) 2001-03-27 2002-10-01 Weatherford/Lamb, Inc. Self compensating adjustable fit progressing cavity pump for oil-well applications with varying temperatures
EP1813812B1 (en) * 2006-01-26 2008-11-26 Grundfos Management A/S Progressive cavity pump
CN101484703B (en) * 2006-06-30 2011-10-19 格伦德福斯管理联合股份公司 Moineau type pump
ATE508279T1 (en) * 2006-06-30 2011-05-15 Grundfos Management As MOINEA PUMP
DE202009002823U1 (en) 2009-03-02 2009-07-30 Daunheimer, Ralf Cavity Pump
GB0906768D0 (en) 2009-04-21 2009-06-03 Pdd Innovations Ltd Pumps
CN103775334B (en) * 2014-02-13 2016-01-13 北京工业大学 A kind of Conic thread rod-lining pair
DE102017100715A1 (en) * 2017-01-16 2018-07-19 Hugo Vogelsang Maschinenbau Gmbh Control of the gap geometry in an eccentric screw pump
DE102021131427A1 (en) 2021-11-30 2023-06-01 Vogelsang Gmbh & Co. Kg Eccentric screw pump with work delivery and rest delivery and method for controlling the eccentric screw pump

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1284388A (en) * 1961-03-21 1962-02-09 Machine for the transport under pressure of mortar, cement or similar products
DE1553197A1 (en) * 1965-09-08 1970-08-06 Schlecht Dipl Ing Karl Eccentric screw pump with movable stator

Also Published As

Publication number Publication date
IT1081141B (en) 1985-05-16
FR2359292A1 (en) 1978-02-17
ATA488477A (en) 1978-09-15
DE2632716A1 (en) 1978-01-26
BE856930A (en) 1977-11-14
NL7708105A (en) 1978-01-24
LU77818A1 (en) 1977-10-24
FR2359292B3 (en) 1980-07-11
SE7708127L (en) 1978-01-22
DE2632716C2 (en) 1989-03-09
GB1583582A (en) 1981-01-28

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee