DD128197A5 - ROTARY PISTON MACHINE FOR LIQUIDS - Google Patents

ROTARY PISTON MACHINE FOR LIQUIDS

Info

Publication number
DD128197A5
DD128197A5 DD7700197374A DD19737477A DD128197A5 DD 128197 A5 DD128197 A5 DD 128197A5 DD 7700197374 A DD7700197374 A DD 7700197374A DD 19737477 A DD19737477 A DD 19737477A DD 128197 A5 DD128197 A5 DD 128197A5
Authority
DD
German Democratic Republic
Prior art keywords
liquids
rotary piston
piston machine
machine
rotary
Prior art date
Application number
DD7700197374A
Other languages
German (de)
Inventor
Johannes V Baatrup
Original Assignee
Danfoss As
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 Danfoss As filed Critical Danfoss As
Publication of DD128197A5 publication Critical patent/DD128197A5/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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0023—Axial sealings for working fluid
    • F04C15/0026—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or pumps, e.g. gear machines or pumps
    • 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
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/084—Toothed wheels
DD7700197374A 1976-02-17 1977-02-15 ROTARY PISTON MACHINE FOR LIQUIDS DD128197A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2606172A DE2606172C2 (en) 1976-02-17 1976-02-17 Rotary piston machine for liquids

Publications (1)

Publication Number Publication Date
DD128197A5 true DD128197A5 (en) 1977-11-02

Family

ID=5970036

Family Applications (1)

Application Number Title Priority Date Filing Date
DD7700197374A DD128197A5 (en) 1976-02-17 1977-02-15 ROTARY PISTON MACHINE FOR LIQUIDS

Country Status (11)

Country Link
JP (1) JPS52100604A (en)
BE (1) BE850931A (en)
BR (1) BR7700925A (en)
DD (1) DD128197A5 (en)
DE (1) DE2606172C2 (en)
DK (1) DK147950B (en)
ES (1) ES455914A1 (en)
FR (1) FR2341758A1 (en)
GB (1) GB1564854A (en)
IT (1) IT1072900B (en)
SE (1) SE433375B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3030203C2 (en) * 1980-08-09 1983-03-24 Danfoss A/S, 6430 Nordborg In-axis rotary piston machine
DK172177B1 (en) * 1995-11-27 1997-12-15 Danfoss As Axial seal
DE102004055710B3 (en) * 2004-11-18 2006-07-06 Bosch Rexroth Aktiengesellschaft Displacement unit for a hydraulic steering device
DE102005016670B4 (en) * 2005-04-12 2010-08-19 LacTec Gesellschaft für moderne Lackiertechnik mbH Lackdosierpumpe
DE102007017652A1 (en) 2007-04-12 2008-10-16 Sauer-Danfoss Aps Rotary piston engine
DE102014018179B3 (en) * 2014-12-09 2016-02-18 Nidec Gpm Gmbh gerotor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2236980A (en) * 1937-12-02 1941-04-01 Joseph F Keller Liquid pump or motor
GB632462A (en) * 1946-05-17 1949-11-28 Bendix Aviat Corp Improvements in or relating to gear pumps or motors
US3120190A (en) * 1961-03-02 1964-02-04 Falk Corp Gear pump
NL124545C (en) * 1962-01-31
US3259073A (en) * 1963-10-24 1966-07-05 Wilson A Burtis Planetary gear pump
FR1547034A (en) * 1967-08-11 1968-11-22 Trw Inc Expanding and contracting chamber type motor-pump unit
US3514234A (en) * 1968-06-10 1970-05-26 Char Lynn Co Fluid operated devices
DE1956528A1 (en) * 1969-11-11 1971-05-19 Zippel & Co Kg R Gear pump
DE2124006C3 (en) * 1971-05-14 1979-03-01 Danfoss A/S, Nordborg (Daenemark) Rotary piston machine for liquids with an externally toothed and an internally toothed gear
BE794675A (en) * 1972-02-08 1973-05-16 Renault ROTARY MACHINE DISTRIBUTION
DE2240632C2 (en) * 1972-08-18 1983-09-01 Danfoss A/S, 6430 Nordborg Rotary piston machine for liquids
US3883276A (en) * 1972-10-20 1975-05-13 Volkswagenwerk Ag Discharge arrangement for the exhaust gas from the work areas of a rotary piston combustion engine
US3894821A (en) * 1974-03-22 1975-07-15 Trw Inc Hydraulic device with rotor seal

Also Published As

Publication number Publication date
FR2341758B1 (en) 1983-04-08
SE433375B (en) 1984-05-21
DK147950B (en) 1985-01-14
JPS52100604A (en) 1977-08-23
DE2606172C2 (en) 1983-12-22
IT1072900B (en) 1985-04-13
SE7701700L (en) 1977-08-18
ES455914A1 (en) 1978-01-16
DK62077A (en) 1977-08-18
FR2341758A1 (en) 1977-09-16
GB1564854A (en) 1980-04-16
BE850931A (en) 1977-05-16
DE2606172A1 (en) 1977-08-25
BR7700925A (en) 1977-10-18
JPS5547237B2 (en) 1980-11-28

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