EP2655803A2 - Pumpe, verdichter oder motor mehrstufig oder mehrflutig - Google Patents
Pumpe, verdichter oder motor mehrstufig oder mehrflutigInfo
- Publication number
- EP2655803A2 EP2655803A2 EP11767718.7A EP11767718A EP2655803A2 EP 2655803 A2 EP2655803 A2 EP 2655803A2 EP 11767718 A EP11767718 A EP 11767718A EP 2655803 A2 EP2655803 A2 EP 2655803A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- toothing
- teeth
- axis
- rotation
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000035508 accumulation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- 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
- F01C3/085—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 the axes of cooperating members being on the same plane
-
- 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
- F01C1/00—Rotary-piston machines or engines
- F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
- F01C1/082—Details specially related to intermeshing engagement type machines or engines
- F01C1/084—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
- F01C11/00—Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type
- F01C11/002—Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type of similar working principle
-
- 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
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
Definitions
- the present invention relates to a rotary piston machine which operates as a pump, compressor or motor, with a rotor, an intermediate rotor and a counter-rotor.
- Such drive and driven parts run in a common housing, whose interior is spherical.
- the housing is divided such that the separation plane contains the center of the spherical interior, so that a first housing part with a hemispherical interior with a first center and a second housing part with a hemispherical interior and a second center is formed.
- special attention is to be paid to the design of the parting surfaces of the two housing parts in such a way that in the assembled state the first and the second center of the spherical interior spaces of the housing parts coincide.
- Particular attention should be paid to the design of the housing separation surfaces with regard to the sealing technology to be used. Summary of the invention
- a rotary piston engine operating as a pump, compressor or motor has a rotor, an intermediate rotor and a counter rotor, wherein the
- the counter rotor has a first end face with a first toothing.
- the intermediate rotor has a second end face with a second toothing and a third end face with a third toothing.
- the rotor has a fourth end face with a fourth toothing.
- Each toothing is formed from at least one tooth and one tooth gap. The gears are engaged with each other such that by combing the teeth of the first
- Gearing and the teeth of the second gearing first working spaces are formed and that are formed by combing the teeth of the third gearing and the teeth of the fourth gearing second work spaces, wherein formed by the first and second working spaces volumes are changed by the meshing of the teeth.
- the rotors are rotatably guided in a housing accommodating the rotors. An inner wall of the housing is largely modeled on an outer contour of the rotors.
- the counter rotor has a first axis of rotation, the intermediate rotor a second axis of rotation and the rotor has a third axis of rotation, wherein the first axis of rotation and the second axis of rotation include a first angle and the second axis of rotation and the third axis of rotation a second angle.
- the first and the second angle is not equal to 0 °.
- Inner wall of the housing, the rotor, the intermediate rotor and the Opposite rotor surrounds, is formed as a hemisphere.
- the housing can be made in one piece, wherein the processing for generating the inner wall can be made from one direction. Also, the assembly of rotor,
- Rotary piston machine can affect negatively.
- hemispherical stump is understood herein to mean that a ball is cut through a first plane and a second plane parallel to the first plane, the first plane containing the center of the ball and the second plane cutting off a ball cap.
- Hemisphere stump should also be understood as a sphere section in which the first plane does not contain the center of the sphere but intersects the sphere at a point approximated to the second plane.
- Layers do not necessarily have to be parallel, but cutting off the ball cap on the hemisphere creates a circular surface.
- the second toothing and the third toothing of the intermediate rotor have the same number of teeth.
- the fourth toothing of the rotor has one tooth less than the third toothing of the intermediate rotor.
- Rotary piston machine can also be used as a transmission.
- This wave-like formation is produced by a tooth gap of the third toothing protruding into a tooth root of the second toothing and vice versa.
- first working spaces formed between the first and second toothing have no connection to the second formed between the third and fourth toothing
- Multi-flow operation means that a medium to be transported is split into a first volume flow and a second volume flow, wherein the first volume flow is supplied to the first working spaces and the second volume flow to the second working spaces.
- these two volume flows are brought together again after reaching the maximum pressure increase by the rotary piston engine at the outlet.
- Multi-stage operation means that one volume flow is the first
- the housing has a
- Overflow chamber which is adapted to receive in multi-stage operation, the compressed by a first stage medium and fed to a second stage.
- the compressed by the first working spaces to be transported medium is stored in an overflow chamber.
- This overflow chamber may be attached to the housing as a separate chamber.
- the compression of the medium through the first working spaces can also be referred to as the first stage.
- the second work spaces remove the already pre-compressed medium to be transported and compress it again. This further compression can be referred to as a second stage, so to speak.
- the overflow chamber is formed as a recess on the inner wall of the housing.
- a drive device with a component from the group rotor, intermediate rotor and counter rotor and / or a driven device with another component from the group rotor, intermediate rotor and counter rotor is rotatably connected.
- the rotary piston engine can be used as a transmission, so that the drive device and the output device
- a drive device such as a motor
- the group rotor, intermediate rotor and counter rotor as a pump or compressor.
- the group rotor, intermediate rotor and counter rotor if this with a medium is driven, drive a driven device and act as a motor. Furthermore, it is possible by connecting the
- the drive device to influence accordingly.
- the drive device is rotatably connected to the counter rotor.
- first angle and the second angle are oriented in the opposite direction.
- the individual rotors are adjusted to each other so that when the first working space is minimal, the two of these first working space directly adjacent second working spaces are maximum.
- This offers the advantage, in particular in multi-stage design, that the inflow and outflow channel can be arranged on the same side of the housing.
- first angle and the second angle are oriented in the same direction.
- This embodiment appears to be more suitable for multi-flow designs.
- the first and second working spaces are at a maximum on a first side of the housing.
- the inlet channels for the medium to be transported are arranged.
- Diametrically opposite the inlet channels are on a second side of the housing outlet channels, since at this point the first and second working spaces are minimal and thus the medium to be transported has been subjected to the maximum pressure.
- Component of the group housing, rotor, intermediate rotor (6) and counter rotor formed integrally.
- the spray can be in both Plastic as well as metal take place.
- these components can be produced inexpensively with complex surface designs.
- Counter rotor and the rotor at least two intermediate rotors can be arranged.
- At least one of the toothings (14, 18, 22, 26) is designed as a trochoid toothing.
- the first axis of rotation and the third axis of rotation enclose a third angle which is not equal to 0 °.
- FIG. 1 shows a rotary piston machine according to the invention in cross section with a first angular arrangement of the rotor rotational axes
- FIG. 2 shows a 3D view from the rotor side in the X-ray view
- Figure 3 shows a 3D-Ansciht the rotors in the working mode for
- FIG. 4 shows an exploded view of the rotors from the rotor view
- FIG. 5 shows an exploded view of the rotors from the counter-rotor view
- FIG. 6 shows an inner wall of a housing for in particular
- Figure 7 shows a rotary piston engine according to the invention in cross section with a second angular arrangement of the rotor rotational axes.
- Figure 1 shows a rotary piston machine 2 according to the invention in cross section, in particular for a multi-stage application.
- a rotor 8 an intermediate rotor 6 and a counter rotor 4 is shown in working position.
- the counter rotor 4 has on its first end face 12 a first toothing 14, which is formed from a first tooth 15.
- the intermediate rotor 6 has a second end face 16 facing the counter rotor 4, on which a second toothing 18, consisting of at least one second tooth 19, is formed.
- the intermediate rotor 6 has at a second end face 16 opposite the third end face 20, a third toothing 22, which is formed from a third tooth 23.
- the rotor 8 has a fourth end face 24 facing the third end face 20, on which a fourth
- Gearing 26, consisting of at least one fourth tooth 27, is formed. Furthermore, it can be seen that the teeth 15, 19, 23 and 27 of the respective teeth 14, 18, 22 and 26 are engaged with each other such that by meshing the teeth 15 of the first teeth 14 and the teeth 19 of the second teeth 18 first Work spaces 28 are formed. Furthermore, by combing the teeth 23 of the third toothing 22 and the teeth 27 of the fourth toothing 26 second working spaces 30 are formed. The volumes formed by the first 28 and second work spaces 30 are determined by the
- Counter rotor shaft 40 is supported.
- the counter rotor shaft 40 has a receptacle 44, by means of which a drive and / or not shown here
- Output device rotatably connected to the counter rotor 4 can be connected. Furthermore, a hemisphere 46 is concentrically arranged on the first end face 12 of the counter rotor 4. This hemisphere 46 is in engagement with a spherical shaped support surface 48 arranged on the intermediate rotor 6.
- the hemisphere 46 is engaged with a spherical shaped support surface 50 of the rotor 8.
- the intermediate rotor 6 and the rotor 8 can be deflected relative to the counter rotor 4 with respect to a center M of the hemisphere 46.
- a circular sixth end face 52 which constitute in conjunction with the first end face 12, the hemisphere stump bounding flat surfaces.
- a likewise cylindrical rotor shaft 54 is concentrically formed. This rotor shaft 54 in conjunction with the sixth end face 52 are supported on a combined axial-radial bearing 56.
- the counter rotor 4 rotates about a first one
- Rotary axis I is a first angle ⁇ included.
- An angle ⁇ 2 is included between the second axis of rotation II and the third axis of rotation III. It can be seen clearly that the first angle ⁇ and the second angle ⁇ 2 are oriented in the opposite direction. This is made clear by the two arrowheads 57. Furthermore, the first axis of rotation I and the third close
- Rotary axis III a third angle ⁇ 3, which is not equal to 0 °.
- ⁇ 3 a rotor assembly in which a first working space 28 with a maximum volume directly adjacent to two second work spaces 30 with a minimum volume. This is clearly visible in FIG. 2.
- an inlet stub 58 is on the housing 32, an inlet stub 58 with a in the inner wall 34 of the housing 32 as a recess
- an outlet port 60 is mounted, which has a recess in the inner wall 34 of the housing 32 as a recess
- the trained outlet control port 66 is connected.
- the second working spaces 30 formed by the third toothing 22 and fourth toothing 26 may also be referred to as the second stage.
- the inlet 58 and outlet port 60 diametrically opposite in the inner wall 34 of the housing 32 a formed as a recess overflow chamber 62 can be seen (see also Figure 6). It should also be noted that the inlet control port 64, the outlet control port 66 and the overflow chamber 62 have no fluid-communicating connections.
- the medium to be compressed which may be liquid or gaseous, is sucked in via the inlet stub 58 and the inlet control opening 64 by means of the opening first working chambers 28.
- Ansch manend the medium is compressed by the closing work spaces 28 and in this
- the medium in the overflow chamber thus has a higher pressure than at the inlet port 58 and has thus been compressed in a first stage.
- Overflow chamber 62 is received by opening second working chambers 30 and then further compressed by closing second working spaces 30 and the outlet port 60 via the outlet control.
- the voltage applied to the outlet port 60 of the medium to be compressed is higher than in the overflow chamber 62.
- that is too compacting medium between inlet port 58 and outlet port 60 has been compressed two-stage.
- Figure 3 shows the above-described two-stage compressor in working position, with only the counter rotor 4, the intermediate rotor 6 and the rotor 8 are shown. It can clearly be seen that a maximally opened first working space 28 faces a maximally closed second working space 30.
- FIG. 4 shows an exploded view of the rotors 4, 6, 8 from the view of the rotor.
- Teeth 22 of the intermediate rotor 6 are each formed of seven teeth 19 and 23.
- the fourth toothing 26 of the rotor 8 consists of six fourth teeth 27.
- the intermediate rotor 6 has a tooth 19, 23 less than the counter rotor 4 and the rotor 8 a tooth 27 less than the intermediate rotor 6.
- the intermediate rotor 6 is formed like a sheave, such in that a toothed space 10 of the third toothing 22 faces a second tooth 19 of the second toothing 18. Thus, no material accumulations arise, as would happen if the second teeth 19 of the second
- Figure 5 shows the representation of Figure 4, but seen from Schmidtrotorsicht. Clearly visible here are the support surface 48 of the intermediate rotor 6 and the support surface 50 of the rotor 8.
- FIG. 6 shows the inner wall 34 of the housing 32.
- the recesses of the overflow chamber 62 which are clearly visible in the inner wall 34
- Inlet control port 64 and the outlet control opening 66 can be seen.
- Figure 7 differs from the representation of Figure 1 only in that the first angle ⁇ and the second angle ⁇ 2 are oriented in the same direction. This is indicated by the position of the arrowheads 57. Again, the enclosed between the first axis of rotation I and the third axis of rotation III third angle ⁇ 3 not equal to 0 °. Thus, the axis of rotation III is opposite to
- Fulcrum I stronger and deflected in the opposite direction as shown in Figure 1. This has the consequence that the first working space 28 with the largest volume two second work spaces 30 are directly adjacent, which also have the largest volume.
- Such an embodiment of the invention is particularly suitable for a multi-flow application.
- the liquid or gaseous medium to be transported is sucked in through the inlet ports 58 by means of the first stage formed by the first working spaces 28 and fed to the outlet port 60 opposite the inlet port 58 while the pressure is being increased.
- Another advantage of the present invention is that at least one component from the group housing 32, rotor 8, intermediate rotor 6 and counter rotor 4 is integrally formed, so that it is predestined to be executed as an injection molded part made of either metal or plastic.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010063506A DE102010063506A1 (de) | 2010-12-20 | 2010-12-20 | Pumpe, Verdichter oder Motor mehrstufig oder mehrflutig |
PCT/EP2011/067786 WO2012084290A2 (de) | 2010-12-20 | 2011-10-12 | Pumpe, verdichter oder motor mehrstufig oder mehrflutig |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2655803A2 true EP2655803A2 (de) | 2013-10-30 |
EP2655803B1 EP2655803B1 (de) | 2018-02-28 |
Family
ID=44785869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11767718.7A Active EP2655803B1 (de) | 2010-12-20 | 2011-10-12 | Pumpe, verdichter oder motor mehrstufig oder mehrflutig |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2655803B1 (de) |
DE (1) | DE102010063506A1 (de) |
WO (1) | WO2012084290A2 (de) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2582413A (en) * | 1945-07-20 | 1952-01-15 | James M Clark | Expansible chamber rotary fluid displacement device |
US5513969A (en) | 1991-12-09 | 1996-05-07 | Arnold; Felix | Rotary piston machine having engaging cycloidal gears |
US6494698B2 (en) * | 1997-08-21 | 2002-12-17 | Felix Michael Arnold | Rotary piston machine having cycloid teeth |
DE102008038625A1 (de) * | 2008-08-12 | 2010-02-18 | Cor Pumps + Compressors Ag | Stirnzahnradpumpe |
-
2010
- 2010-12-20 DE DE102010063506A patent/DE102010063506A1/de not_active Ceased
-
2011
- 2011-10-12 EP EP11767718.7A patent/EP2655803B1/de active Active
- 2011-10-12 WO PCT/EP2011/067786 patent/WO2012084290A2/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2012084290A2 * |
Also Published As
Publication number | Publication date |
---|---|
WO2012084290A3 (de) | 2013-05-02 |
EP2655803B1 (de) | 2018-02-28 |
DE102010063506A1 (de) | 2012-06-21 |
WO2012084290A2 (de) | 2012-06-28 |
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