EP2137378A1 - Pumpe oder motor - Google Patents
Pumpe oder motorInfo
- Publication number
- EP2137378A1 EP2137378A1 EP08734365A EP08734365A EP2137378A1 EP 2137378 A1 EP2137378 A1 EP 2137378A1 EP 08734365 A EP08734365 A EP 08734365A EP 08734365 A EP08734365 A EP 08734365A EP 2137378 A1 EP2137378 A1 EP 2137378A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- working
- pump
- shaft
- working part
- motor according
- 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 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 4
- 230000035508 accumulation Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension 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
- F01C1/00—Rotary-piston machines or engines
-
- 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
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/18—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- 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
- 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
- F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C15/064—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps
- F04C15/066—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps of the non-return type
- F04C15/068—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps of the non-return type of the elastic type, e.g. reed valves
-
- 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
- F04C2240/60—Shafts
Definitions
- the invention relates to a pump or a motor for liquid or gaseous media according to the preamble of the main claim.
- a known machine of this type (DE OS 42 41 320)
- the working part is driven via the shaft, wherein the work spaces between the work surfaces to promote the medium reduced according to a machine with spur gearing, or be increased.
- such a machine can also serve as a motor by medium is pumped into the work spaces under pressure, which generates a drive of the shaft by enlarging the work spaces.
- two working parts are rotated in the machine housing with correspondingly high demands on the pivot bearing and thrust bearing and with a significant performance limitation in terms of working pressure.
- the problem underlying the invention has for its object a pump or a motor for liquid or gaseous media, namely to develop a related machine, with the much higher working pressures of the media without disadvantage are acceptable and can be produced without a considerable manufacturing effort.
- the machine according to the invention with the characterizing features of the main claim and the dependent claims 10, 13 and 15 has the advantage that with a simple structure and correspondingly low cost, a machine for high working pressures is created in the advantageous effect of the known machines by radial load disadvantageous Pressures are now predominantly diverted into the more easily controllable axial direction. Due to the stationary arrangement of the other working part opposite the working surface delimiting working surface, bearing forces of a second working part also fall away, so that only the working part has a bearing surface towards the shaft on the oblique sliding plane and predominantly only the shaft has an axial bearing and only a small extent or in particular according to claim 15 must have no loaded radial bearing. The rotation of the shaft corresponds to the tumbling of the working part.
- the central axis of the stationary working surface is equal to the axis of rotation of the shaft.
- the partially tumbling inner wall receiving the tumbling working part merges into a cylindrical opening of the housing, the diameter of which corresponds to the diameter of the working part.
- the central axis of the stationary working surface is arranged coaxially to the shaft, on the one hand results in a favorable Auflagerung the working part on the static work surface, but also a working space separating large teilkugelige overlap area between the working part and the housing.
- the teeth of the oppositely arranged spur toothing formed as a cycloid toothing with power and Absperrteil with a cycloidal development of the tread.
- a configuration is known (DE 42 41 320), but in an embodiment in which the opposing work surfaces rotate in each case.
- the advantages of cycloidal processing are retained if only as in the invention, a work surface rotates. The advantages of cycloidal processing as such can be seen in the prior art.
- valves plate valves serve as valves plate valves with an outer and an inner ring having holding part and arranged between the rings, attached to one of the rings resilient valve plates.
- Such plate valves are extremely inexpensive to produce and work in the manner of a check valve.
- the shaft to the inclined sliding plane with respect to its stored portion toward an enlarged diameter, wherein in the step formed in the shaft serving as an inflow or outflow co-rotating channels run.
- the co-rotating channels corresponding openings in the working surface of the working part are present, which are controlled by the mouths of the channels in the inclined sliding plane.
- the shaft for forwarding the liquid or gaseous media from and to the workrooms a running in the shaft connecting channel to radial loads on the shaft by the fluids to both the housing as also to the pivot bearing to avoid.
- this embodiment plays a crucial role, since only by radial relief of the bearing forces of the shaft, the working pressure and thus the power range of the machine can be increased accordingly.
- openings are present at the bottom of the work spaces, which leads to a slated sliding plane and back of the Lead working part existing collecting space, wherein the collecting space is closed radially outward and leads directly to the connecting channel.
- Material tapers present, so as to compensate for the formation of the inclined plane without mass balance resulting unilateral mass accumulation by material tapers. This avoids that one-sided mass accumulations in the region of the inclined plane on the shaft creates unilateral radial forces.
- FIG. 2 is a view of the machine of FIG. 1 according to the arrow B,
- FIG. 4 shows a longitudinal section of the machine according to FIG. 1 with a first variant of the working part
- FIG. 5 shows a longitudinal section through a working part corresponding to the section C-C in Fig. 6,
- FIG. 6 is a view corresponding to the arrow D in Fig. 5,
- FIG. 9 is a view of the pump housing of FIG. 8 corresponding to the arrow F fifth
- valve plate 10 is a plan view of a valve plate
- valve plate of FIG. 10 in a perspective view
- Fig. 12 shows a second variant of the embodiment and Fig. 13, the shaft of this variant in perspective view.
- FIG. 1 an embodiment of the invention is shown in longitudinal section, as it is then shown in Fig. 3 in a perspective view.
- This is a machine that can be used depending on the application as a pump or motor for liquid or gaseous media, which, as particularly Fig. 3 removable, the cross section of the mounting housing 1 is cylindrical in order to use the machine in corresponding holes can ,
- round cord rings 2 form the required seal of the mounting housing 1, to which the machine receiving part, such as a pipe but also a hole in a machine receiving this machine.
- a shaft 4 is rotatably supported via a radial bearing 3, wherein the shaft is slightly loaded in the axial direction via a leaf spring 5 and a locking ring 6 and is correspondingly displaceable.
- a round cord ring 7 between shaft 4 and a housing insert 8, which is supported via a thrust bearing 9 on the mounting housing 1 and on which the leaf spring 5 acts.
- the housing insert 8 is entrained with leaf spring 5 and O-ring 7 for reasons of friction, wherein the housing insert 8 on its side facing away from the thrust bearing 9 has a labyrinth seal, which partially engages in corresponding recesses of the mounting housing.
- a non-co-rotating working space housing 10 is arranged coaxially with the shaft 4 centrally and sealed by a O-ring 11 to the installation housing 1 out.
- This working space housing 10 accommodates a working space 12, which is bounded on the other hand by a rotating working part 13.
- the shaft 4 has on the side facing the working part 13 an inclined sliding plane 14, so that a rotation of the shaft 4 leads to a tumbling of the working part 13.
- the glide plane 14 facing away from the end face of the working part 13 is toothed in the manner of a cycloid toothing, which engages in accordance with existing in a working housing 10 static teeth in the opposite wall surface of the working space 12.
- the working part 13 is guided in spherical boundaries of the receiving working space housing 10, namely in a part spherical surface portion 15 which also forms the outer boundary of the working spaces 12 radially and a central smaller part spherical surface portion 16, the work spaces 12 radially limited to the inside.
- Both partial spherical surface sections 15 and 16 have the same center point M.
- the working part 13 also has on its side facing the surface 16 a corresponding partial spherical surface 17, as well as a larger diameter 15 of the partial spherical surface section Due to this spherical overlap not only is there a very favorable distribution of the axial forces of the shaft 4 on the working space housing 10, but there is also a very favorable separation of the working space to working space or working space to other machine channels and this particular during the Operation, ie the Taumeins of the working part 13th
- the working space housing 10 is fastened via a screw ring 19 in the installation housing 1, wherein a valve plate 20 is clamped between the screw ring 19 and the working space housing 10.
- connection channels 21 are arranged for the working medium centrally symmetrical about an axis X of the machine, leading to the work spaces 12.
- the axis X is at the same time the axis of rotation of the shaft 4 and passes through the center M of the spherical surfaces accordingly.
- annular space 23 To the working spaces 12 there is a connection via control channels 22 to a shaft surrounding the annular space 23 for the working fluid, the annular space 23 depending on the application serves as inflow or outflow channel.
- this annular space 23 communicates via radial channels 24 with an outer annular space 25 in connection, as particularly Fig. 3 can be removed.
- an annular space 25 is then brought into coincidence with at least one channel for the medium.
- the illustrated in Fig. 4 first variant of the embodiment has only a pin 26 on the working part, which is inserted into a bore 27 of the shaft, said pin coaxially runs to the axis of the working part.
- the machine is the same structure as that shown in FIGS. 1 to 3.
- FIG. 5 to 7 show the control in the region of the inclined sliding plane 14 according to the embodiment of FIG. 1, wherein the working part 13 of the working spaces 12 has channels 28 which open into the sliding plane 14. These channels 28 cooperate with the control channels 22 on the end face of the shaft 4 shown in FIG. 7 for the inclined sliding plane 14.
- the shaft 4 has on the oblique sliding plane 14 side facing a larger diameter than on its stored portion, so that the control channels 22 can be arranged in the step thus formed and corresponding to the control of the channels 28 in the inclined sliding plane 14 are opposite to this ,
- the diameters R1 and R2 on the boundary channels receiving the channels 28 are almost the same as those of the spherical surface portions 15 and 16.
- connection channels 21 which lead to the working spaces 12 and lead away, are covered by the valve plate 20, on which in turn a valve ring 29 is arranged with spring plates 30 which control the connection channels 21 in the manner of a check valve.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
- Hydraulic Motors (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI200831911T SI2137378T1 (en) | 2007-03-13 | 2008-03-13 | Pump or engine |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007012574 | 2007-03-13 | ||
DE102008009694 | 2008-02-18 | ||
PCT/DE2008/000425 WO2008110155A1 (de) | 2007-03-13 | 2008-03-13 | Pumpe oder motor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2137378A1 true EP2137378A1 (de) | 2009-12-30 |
EP2137378B1 EP2137378B1 (de) | 2017-11-01 |
Family
ID=39590857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08734365.3A Active EP2137378B1 (de) | 2007-03-13 | 2008-03-13 | Pumpe oder motor |
Country Status (9)
Country | Link |
---|---|
US (2) | US20100104462A1 (de) |
EP (1) | EP2137378B1 (de) |
JP (1) | JP5135361B2 (de) |
CN (1) | CN101960089B (de) |
AU (1) | AU2008226194B2 (de) |
DE (1) | DE102008013991A1 (de) |
RU (1) | RU2494261C2 (de) |
SI (1) | SI2137378T1 (de) |
WO (1) | WO2008110155A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010040758A1 (de) | 2010-09-14 | 2012-03-15 | Robert Bosch Gmbh | Förderaggregat |
DE102010063547A1 (de) * | 2010-10-08 | 2012-04-12 | Robert Bosch Gmbh | Pumpe, Verdichter oder Motor mehrstufig oder mehrflutig |
DE102010063522A1 (de) * | 2010-12-20 | 2012-06-21 | Robert Bosch Gmbh | Pumpe, Verdichter oder Motor |
DE102011084828B4 (de) | 2011-10-19 | 2024-02-15 | Robert Bosch Gmbh | Förderaggregat |
DE102012206797A1 (de) | 2012-04-25 | 2013-10-31 | Robert Bosch Gmbh | Drehkolbenmaschine, die als Pumpe, Verdichter oder Motor für ein Fluid wirkt |
DE102012208511A1 (de) | 2012-05-22 | 2013-11-28 | Robert Bosch Gmbh | Als Pumpe, Verdichter oder Motor für pastöses, flüssiges oder gasförmiges Medium arbeitende Drehkolbenmaschine |
DE102014209140A1 (de) * | 2013-05-23 | 2014-11-27 | Robert Bosch Gmbh | Förderaggregat |
DE102013226974A1 (de) | 2013-12-20 | 2015-06-25 | Robert Bosch Gmbh | Taumelpumpe mit im Stator gelagerter Welle |
DE102014219219A1 (de) * | 2014-09-24 | 2016-03-24 | Robert Bosch Gmbh | Förderaggregat |
DE102014221698A1 (de) | 2014-10-24 | 2016-04-28 | Robert Bosch Gmbh | Pumpvorrichtung |
CN105756933B (zh) * | 2016-04-26 | 2017-10-10 | 无锡博泰微流体技术有限公司 | 一种球形压缩机齿轮过死点机构 |
CN105782022B (zh) * | 2016-04-26 | 2017-12-15 | 无锡博泰微流体技术有限公司 | 球形泵冷却机构 |
CN106438189A (zh) * | 2016-07-09 | 2017-02-22 | 镇江大力液压马达股份有限公司 | 一种超微型摆线液压马达 |
DE102016218128A1 (de) | 2016-09-21 | 2018-03-22 | Robert Bosch Gmbh | Förderaggregat |
CN110359962B (zh) * | 2019-07-17 | 2021-01-05 | 顾新钿 | 一种气动马达 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2831436A (en) * | 1952-08-19 | 1958-04-22 | Garvenswerke Maschinen Pumpen & Waagenfabrik W Garvens | Pump |
US3034445A (en) * | 1958-01-14 | 1962-05-15 | Standard Res Consultants Inc | Pump |
US3156222A (en) * | 1963-01-09 | 1964-11-10 | Jr Lloyd E Miller | Flathead spherical engine |
US3236186A (en) | 1963-04-29 | 1966-02-22 | Wildhaber Ernest | Positive-displacement unit |
US3856440A (en) * | 1974-03-19 | 1974-12-24 | E Wildhaber | Rotor pair for positive fluid displacement |
US3895610A (en) * | 1974-05-17 | 1975-07-22 | Robert H Wahl | Rotary Nutating engine |
SU566024A1 (ru) * | 1974-08-19 | 1977-07-25 | Центральное Проектно-Конструкторское Бюро Главлегпродмонтажа | Качающий узел объемной гидромашины |
JPH01500208A (ja) * | 1986-07-11 | 1989-01-26 | ウイリムチック・ウオルフハート | 容積形機械 |
US5513969A (en) * | 1991-12-09 | 1996-05-07 | Arnold; Felix | Rotary piston machine having engaging cycloidal gears |
WO1996005436A1 (en) * | 1993-06-09 | 1996-02-22 | Lim, Oliver, A. | Spherical engine |
DE19654951C2 (de) * | 1996-11-29 | 2002-06-13 | Osvaldo Domann | Rotationskolben-Verbrennungsmotor mit Ölzuführung für Schmier- und Kühlzwecke |
JPH11101190A (ja) * | 1997-09-29 | 1999-04-13 | Sanden Corp | 圧縮機 |
JP2002267033A (ja) * | 2001-03-08 | 2002-09-18 | Noritz Corp | 弁装置及びこれを用いた循環アダプタ |
JP2002364572A (ja) * | 2001-06-07 | 2002-12-18 | Kawakami Seisakusho:Kk | 流体圧送装置 |
EP1544466A4 (de) * | 2002-09-24 | 2010-08-25 | Anelva Technix Corp | Taumelplatten-fluidmaschine mit kammern mit variablem volumen |
DE502004002805D1 (de) * | 2003-09-11 | 2007-03-15 | Cor Pumps & Compressors Ag | Drehkolbenmaschine |
DE102010040758A1 (de) * | 2010-09-14 | 2012-03-15 | Robert Bosch Gmbh | Förderaggregat |
-
2008
- 2008-03-13 WO PCT/DE2008/000425 patent/WO2008110155A1/de active Application Filing
- 2008-03-13 SI SI200831911T patent/SI2137378T1/en unknown
- 2008-03-13 RU RU2009137617/06A patent/RU2494261C2/ru not_active IP Right Cessation
- 2008-03-13 JP JP2009553004A patent/JP5135361B2/ja active Active
- 2008-03-13 AU AU2008226194A patent/AU2008226194B2/en not_active Ceased
- 2008-03-13 CN CN2008800079783A patent/CN101960089B/zh active Active
- 2008-03-13 US US12/531,186 patent/US20100104462A1/en not_active Abandoned
- 2008-03-13 EP EP08734365.3A patent/EP2137378B1/de active Active
- 2008-03-13 DE DE102008013991A patent/DE102008013991A1/de not_active Ceased
-
2013
- 2013-04-15 US US13/863,139 patent/US8821142B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2008110155A1 * |
Also Published As
Publication number | Publication date |
---|---|
RU2009137617A (ru) | 2011-04-20 |
JP5135361B2 (ja) | 2013-02-06 |
CN101960089A (zh) | 2011-01-26 |
US20130224056A1 (en) | 2013-08-29 |
DE102008013991A1 (de) | 2008-12-04 |
EP2137378B1 (de) | 2017-11-01 |
AU2008226194B2 (en) | 2013-07-18 |
RU2494261C2 (ru) | 2013-09-27 |
SI2137378T1 (en) | 2018-02-28 |
CN101960089B (zh) | 2013-07-31 |
US20100104462A1 (en) | 2010-04-29 |
AU2008226194A1 (en) | 2008-09-18 |
WO2008110155A1 (de) | 2008-09-18 |
US8821142B2 (en) | 2014-09-02 |
JP2010520964A (ja) | 2010-06-17 |
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