WO2010086267A2 - Drehkolbenmaschine - Google Patents
Drehkolbenmaschine Download PDFInfo
- Publication number
- WO2010086267A2 WO2010086267A2 PCT/EP2010/050624 EP2010050624W WO2010086267A2 WO 2010086267 A2 WO2010086267 A2 WO 2010086267A2 EP 2010050624 W EP2010050624 W EP 2010050624W WO 2010086267 A2 WO2010086267 A2 WO 2010086267A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotary piston
- electric motor
- housing
- rotors
- machine according
- Prior art date
Links
- 230000000694 effects Effects 0.000 claims abstract 2
- 238000001816 cooling Methods 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000001747 exhibiting effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000004323 axial length Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
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
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/084—Toothed wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C3/00—Rotary-piston machines or engines with non-parallel axes of movement of co-operating members
- F01C3/06—Rotary-piston machines or engines with non-parallel axes of movement of co-operating members the axes being arranged otherwise than at an angle of 90 degrees
- F01C3/08—Rotary-piston machines or engines with non-parallel axes of movement of co-operating members the axes being arranged otherwise than at an angle of 90 degrees of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
-
- 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
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
- F04C15/0073—Couplings between rotors and input or output shafts acting by interengaging or mating parts, i.e. positive coupling of rotor and shaft
-
- 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
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/008—Prime movers
-
- 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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- 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
- F04C3/00—Rotary-piston machines or pumps, with non-parallel axes of movement of co-operating members, e.g. of screw type
- F04C3/06—Rotary-piston machines or pumps, with non-parallel axes of movement of co-operating members, e.g. of screw type the axes being arranged otherwise than at an angle of 90 degrees
- F04C3/08—Rotary-piston machines or pumps, with non-parallel axes of movement of co-operating members, e.g. of screw type the axes being arranged otherwise than at an angle of 90 degrees of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
-
- 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
- F04C2240/00—Components
- F04C2240/30—Casings or housings
-
- 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
- F04C2240/00—Components
- F04C2240/40—Electric motor
Definitions
- the invention relates to a rotary piston machine according to the preamble of the main claim.
- a known rotary piston machine according to the preamble of the main claim.
- Rotary piston engine of the generic type (WO2005 / 024237 A1) is on the applicant particularly emphasized as an advantage that such a unit of the housing of the electric motor and pump can be made small, since the electric motor absperrillon directly to the power section of the rotors attacks without additional complex storage.
- the housings can be extremely simple and interconnected. This plays a role in particular in the use in the fuel conveying system of internal combustion engines, for example as a prefeed pump, with the rotary piston engine according to the invention achieving an extremely important silent running, in particular in the automotive industry.
- the storage and arrangement of the power unit with respect to the axis of rotation of the electric motor plays a significant role, including as regards the relative axial displacement of the power unit. Also with regard to the toothing and the delivery rate given therewith, such can easily be adapted to the demand.
- the problem underlying the invention is on the applicant particularly emphasized as an advantage that such a unit of the housing of the electric motor and pump can be made small, since the electric motor absperrillon directly to the
- the invention has for its object to improve a rotary piston engine of the generic type so that it is particularly inexpensive to manufacture, versatile and improved in efficiency and compared to the known machines.
- the rotary piston engine according to the invention with the characterizing features of claim 1 has the advantage over the known machine that it can also be used for suction, an extremely favorable speed ratio between electrical
- the rotor of the external rotor motor to the outside of the machine in a conventional manner (DE 103 58 759 A1) is covered by a hood connected to the machine housing.
- the machine housing has a mounting flange exhibiting flange-like center part with openings or lugs for attachment of the rotary piston machine on third objects and on the one hand the central support tube section is arranged and on the other hand, the rotary piston receiving housing is attached.
- means for fixing the machine housing are basically known, but the rotary piston engine according to the invention here so far a novel flange mounting as this has the flange at the central part of the machine housing, which leads to a significant reduction in the overall length of the rotary piston engine.
- the shut-off part is arranged in this housing or in a double-rolling bearing provided at a stopper arranged at the end of this housing.
- the double rolling bearing assumes additional supporting functions and, if appropriate, can also contribute to an axial adjustability of the shut-off part.
- the drive shaft of the external rotor motor according to the invention can be mounted in the support tube on bearings are arranged on the side facing away from the permanent magnet side of the outer rotor cooling fins forde Kunststoffventil ist according to an embodiment of the invention (cooling fins on the rotor, known per se by DE 20 2006 013 319 U1).
- this toothing is specially provided for lower pressures, ie. H. a high ratio of engine speed to pump delivery.
- Fig. 1 is a rotary piston machine in longitudinal section
- Fig. 2 shows a variant of this rotary piston machine of Fig. 1 also in longitudinal section and
- Fig. 3 shows an additional variant of the invention
- Rotary piston engine shown in longitudinal section.
- a power unit 2 and a shut-off part 3 is arranged in a machine housing 1, which engage on the side facing each other via a Trochoidenvertechnikung.
- the machine housing 1 is closed on the Absperrteilseite by a hollow cover 4, which is fixed in the opening 3 receiving the Absperrteil.
- a spacer ring 5 is arranged, which separates two arranged on a pin 6 of the Absperrteils 3 bearings 7 from each other and radially outwardly as the spacer 5 on the inner wall of the hollow cover 4 radially support and at the same time for a precise guidance take over the storage required storage.
- the hollow cover 4 is sealed to the machine housing 1 through an O-ring 9 and secured by screws 10 on the machine housing 1.
- the axial adjustability of the shut-off part 3, which ensures precise delivery and also smooth running, is achieved by means of a shim 11 and a wave spring 12 acting on the journal 6 on its end face.
- the drive of the line part 2 is effected by a mecanicläutermotor whose drive shaft 13 is also mounted in the machine housing 1.
- the machine housing 1 projecting into the stator 8 of the external rotor motor support tube section 14 on which the inner stator is arranged in the form of the electric coil 15 and wherein the drive shaft 13 is mounted on roller bearings 16 on the inside of the support tube section 14.
- the machine housing 1 between the support pipe section 14 and the actual line part and Absperrteil receiving machine housing is flange-shaped with mounting holes 17 so as to attach the rotary piston machine in the simplest way.
- the mounting holes 17 can be arranged even in a square configuration of the flange in the free corners, whichever embodiment is particularly useful.
- the inner stator 15 encompassing rotor bell 18 is fixed, on which a cooperating with the inner stator 15 magnet 19 is arranged.
- the external rotor motor is closed to the outside by a hood 20 which is fixed to the housing 1, in particular to its flange.
- the second embodiment shown in Fig. 2 is in principle constructed as the first embodiment with slight differences, wherein the same reference numerals as in Fig. 1 are used for the same parts.
- the rotor bell 18 has no extra magnet, but is itself magnetically formed. Compared to the first embodiment, therefore, the bell depth is larger and the stator 8 is formed less wide.
- this embodiment of the invention has no hood on the rotor bell to save additional space and to mount over the flange 21 of the housing 1, the complete rotary engine with motor in an opening of a carrier to thereby gain time again axial length.
- the third exemplary embodiment illustrated in FIG. 3 has the above-described features of the first and in part of the second exemplary embodiment, with the addition of co-rotating cooling ribs 22 arranged on the rotor bell 18 on the side facing away from the machine for cooling purposes.
- Gearing Sliding speeds exist that amount to only a fraction of the peripheral speeds of the rotors.
- a rotor pairing with a tooth ratio of 9/10 at a speed of 4,000 rpm has a maximum relative speed at the rotor circumference of 400 rpm.
- the full peripheral speed would act on the radial outer sealing edge, that is to say at maximum relative speed equal to rotor circumference of 4,000 rpm.
- lower loads exist at the sealing gaps between the rotors. The friction loss is kept very low and the wear on the sealing surfaces is minimized. The situation is different with the vane compressor, in which the mass of the lamellae are pressed onto the eccentrically surrounding running surface, in accordance with the peripheral speed and the centrifugal force resulting therefrom.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/146,676 US8777595B2 (en) | 2009-01-28 | 2010-01-20 | Rotary piston engine |
CN201080005952.2A CN102301141B (zh) | 2009-01-28 | 2010-01-20 | 具有外转子电动机的旋转活塞式机器 |
EP10701350.0A EP2391827B1 (de) | 2009-01-28 | 2010-01-20 | Drehkolbenmaschine mit einen aussenläufer elektromotor. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009006521A DE102009006521A1 (de) | 2009-01-28 | 2009-01-28 | Drehkolbenmaschine |
DE102009006521.0 | 2009-01-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2010086267A2 true WO2010086267A2 (de) | 2010-08-05 |
WO2010086267A3 WO2010086267A3 (de) | 2011-03-17 |
Family
ID=42282692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/050624 WO2010086267A2 (de) | 2009-01-28 | 2010-01-20 | Drehkolbenmaschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US8777595B2 (de) |
EP (1) | EP2391827B1 (de) |
CN (1) | CN102301141B (de) |
DE (1) | DE102009006521A1 (de) |
WO (1) | WO2010086267A2 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120142825A1 (en) * | 2010-12-07 | 2012-06-07 | E.I. Du Pont De Nemours And Company | Filled polyimide polymers |
US20120142824A1 (en) * | 2010-12-07 | 2012-06-07 | E. I. Du Pont De Nemours And Company | Polymer blend compositions |
DE102011001394B4 (de) * | 2011-03-18 | 2015-04-16 | Halla Visteon Climate Control Corporation 95 | Elektrisch angetriebener Kältemittelverdichter |
DE102014209140A1 (de) * | 2013-05-23 | 2014-11-27 | Robert Bosch Gmbh | Förderaggregat |
WO2015139554A1 (zh) * | 2014-03-18 | 2015-09-24 | 西安正安环境技术有限公司 | 球形压缩机转子防卡死机构、球形压缩机防卡死动力机构和球形压缩机 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10358759A1 (de) | 2002-12-16 | 2004-06-24 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Aussenläufermotor mit stehender Lagerachse |
WO2005024237A1 (de) | 2003-09-11 | 2005-03-17 | Cor Pumps + Compressors Ag | Drehkolbenmaschine |
DE202006013319U1 (de) | 2005-10-08 | 2007-02-15 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Außenläufermotor |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1308295A (en) * | 1969-02-25 | 1973-02-21 | Lucas Industries Ltd | Liquid pump or motor |
USRE28075E (en) * | 1972-10-19 | 1974-07-16 | Double claw tooth stator synchronous and stepping motor with indicator | |
US3856440A (en) * | 1974-03-19 | 1974-12-24 | E Wildhaber | Rotor pair for positive fluid displacement |
DE2938276A1 (de) * | 1979-09-21 | 1981-04-09 | Robert Bosch Gmbh, 7000 Stuttgart | Fluegelzellenverdichter |
DE3347360C2 (de) * | 1983-12-28 | 1995-04-13 | Papst Motoren Gmbh & Co Kg | Kollektorloser Außenläufer-Gleichstrommotor |
US4836147A (en) * | 1987-12-14 | 1989-06-06 | Ford Motor Company | Cooling system for an internal combustion engine |
WO1993012325A1 (de) * | 1991-12-09 | 1993-06-24 | Felix Arnold | Drehkolbenmaschine |
US6499966B1 (en) * | 1998-08-06 | 2002-12-31 | Automative Motion Technology, Ltd. | Motor driven pump |
DE102007022418A1 (de) * | 2006-05-10 | 2007-11-15 | Cor Pumps + Compressors Ag | Drehkolbenmaschine |
WO2007128303A1 (de) * | 2006-05-10 | 2007-11-15 | Cor Pumps + Compressors Ag | Drehkolbenmaschine |
-
2009
- 2009-01-28 DE DE102009006521A patent/DE102009006521A1/de not_active Ceased
-
2010
- 2010-01-20 EP EP10701350.0A patent/EP2391827B1/de active Active
- 2010-01-20 CN CN201080005952.2A patent/CN102301141B/zh active Active
- 2010-01-20 WO PCT/EP2010/050624 patent/WO2010086267A2/de active Application Filing
- 2010-01-20 US US13/146,676 patent/US8777595B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10358759A1 (de) | 2002-12-16 | 2004-06-24 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Aussenläufermotor mit stehender Lagerachse |
WO2005024237A1 (de) | 2003-09-11 | 2005-03-17 | Cor Pumps + Compressors Ag | Drehkolbenmaschine |
DE202006013319U1 (de) | 2005-10-08 | 2007-02-15 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Außenläufermotor |
Also Published As
Publication number | Publication date |
---|---|
EP2391827A2 (de) | 2011-12-07 |
EP2391827B1 (de) | 2016-06-01 |
DE102009006521A1 (de) | 2010-07-29 |
US8777595B2 (en) | 2014-07-15 |
CN102301141A (zh) | 2011-12-28 |
CN102301141B (zh) | 2014-12-17 |
US20120014826A1 (en) | 2012-01-19 |
WO2010086267A3 (de) | 2011-03-17 |
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