BE850931A - ROTARY PISTON MACHINE FOR LIQUIDS - Google Patents

ROTARY PISTON MACHINE FOR LIQUIDS

Info

Publication number: BE850931A
Authority: BE; Belgium
Prior art keywords: liquids; rotary piston; piston machine; machine; rotary
Prior art date: 1976-02-17

Application number

BE174529A

Other languages

French (fr)

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.)

1976-02-17

Filing date

1977-01-31

Publication date

1977-05-16

1977-01-31 Application filed by Danfoss As filed Critical Danfoss As

1977-05-16 Publication of BE850931A publication Critical patent/BE850931A/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

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Rotary Pumps (AREA)
Hydraulic Motors (AREA)
Details And Applications Of Rotary Liquid Pumps (AREA)

BE174529A 1976-02-17 1977-01-31 ROTARY PISTON MACHINE FOR LIQUIDS BE850931A (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
BE850931A true BE850931A (en)	1977-05-16

Family

ID=5970036

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE174529A BE850931A (en)	1976-02-17	1977-01-31	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

1976
- 1976-02-17 DE DE2606172A patent/DE2606172C2/en not_active Expired
1977
- 1977-01-31 BE BE174529A patent/BE850931A/en not_active IP Right Cessation
- 1977-02-04 GB GB4687/77A patent/GB1564854A/en not_active Expired
- 1977-02-07 IT IT67268/77A patent/IT1072900B/en active
- 1977-02-14 DK DK062077AA patent/DK147950B/en not_active Application Discontinuation
- 1977-02-15 ES ES455914A patent/ES455914A1/en not_active Expired
- 1977-02-15 DD DD7700197374A patent/DD128197A5/en unknown
- 1977-02-15 JP JP1545077A patent/JPS52100604A/en active Granted
- 1977-02-15 BR BR7700925A patent/BR7700925A/en unknown
- 1977-02-16 SE SE7701700A patent/SE433375B/en unknown
- 1977-02-17 FR FR7704572A patent/FR2341758A1/en active Granted

Also Published As

Publication number	Publication date
BR7700925A (en)	1977-10-18
JPS52100604A (en)	1977-08-23
DE2606172C2 (en)	1983-12-22
DD128197A5 (en)	1977-11-02
IT1072900B (en)	1985-04-13
FR2341758A1 (en)	1977-09-16
GB1564854A (en)	1980-04-16
DK147950B (en)	1985-01-14
DK62077A (en)	1977-08-18
FR2341758B1 (en)	1983-04-08
ES455914A1 (en)	1978-01-16
SE433375B (en)	1984-05-21
SE7701700L (en)	1977-08-18
DE2606172A1 (en)	1977-08-25
JPS5547237B2 (en)	1980-11-28

Legal Events

Date

Code

Title

Description

1985-07-31

RE

Patent lapsed

Owner name: DANFOSS A/S

Effective date: 19850131

Publication	Publication Date	Title
BE802032R (en)	1973-11-05	ROTARY PISTON MACHINE FOR LIQUIDS
BE838221A (en)	1976-08-03	VOLUMETRIC MACHINE FOR COMPRESSIBLE AGENTS
BE814469A (en)	1974-09-02	GLUING DEVICE FOR PACKAGING MACHINE
BE861047A (en)	1978-03-16	MACHINE FOR FORMING PRACTICALLY PARALLEPIPEDIC PACKAGING
BE854559A (en)	1977-11-14	GEAR PUMP FOR VISCOUS LIQUIDS
DK143543C (en)	1982-01-18	ROTATION PRESSURE MACHINE DEVICE
BE855306A (en)	1977-10-03	PACKING MACHINE
IT7924086A0 (en)	1979-07-04	ROTARY PISTON MACHINE.
BE862126A (en)	1978-04-14	HOSE BAG MACHINE
IT1209395B (en)	1989-07-16	ROTARY PISTON MACHINE.
FR2282368A1 (en)	1976-03-19	FOLDING DEVICE FOR PACKING MACHINE
BE782856A (en)	1972-09-01	ROTARY PISTON MACHINE FOR LIQUIDS
BE882350A (en)	1980-07-16	ROTARY PISTON MACHINE
FR2340447A1 (en)	1977-09-02	ROTARY PISTON MACHINE
BE795033A (en)	1973-05-29	SQUEEGEE FOR HELIOGRAPHING MACHINES
FR2326600A1 (en)	1977-04-29	DISTRIBUTORS FOR VARIABLE STROKE PUMPS
FR2409400B1 (en)	1985-11-22	ROTARY PISTON MACHINE FOR FLUIDS
BE850931A (en)	1977-05-16	ROTARY PISTON MACHINE FOR LIQUIDS
BE811975A (en)	1974-07-01	PISTON FOR PISTON MACHINE
AR222408A1 (en)	1981-05-15	A LIQUID FILLING MACHINE
AR214547A1 (en)	1979-06-29	CONTAINER FILLING MACHINE
BE835210A (en)	1976-03-01	ROTARY PISTON MACHINE FOR THE TRANSPORT OF FLUIDS
RO70564A (en)	1980-07-15	FONTURE FOR TRICOTEUSE MACHINE SPECIALLY RECTILINE
BE855027A (en)	1977-11-25	DISPENSER PACKAGING FOR FLUID MATERIALS
FR2388720B1 (en)	1985-06-21	FILLING HOSE FOR PACKAGING MACHINES