EP2188496A2 - Verfahren zur umwandlung von druckluftenergie in mechanische energie und druckluftmotor dafür - Google Patents
Verfahren zur umwandlung von druckluftenergie in mechanische energie und druckluftmotor dafürInfo
- Publication number
- EP2188496A2 EP2188496A2 EP08801157A EP08801157A EP2188496A2 EP 2188496 A2 EP2188496 A2 EP 2188496A2 EP 08801157 A EP08801157 A EP 08801157A EP 08801157 A EP08801157 A EP 08801157A EP 2188496 A2 EP2188496 A2 EP 2188496A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- compressed air
- shaft
- rotation
- housing
- 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
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 210000001520 comb Anatomy 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000012546 transfer Methods 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
- 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
- F04C2240/50—Bearings
Definitions
- the invention relates to a method for the conversion of compressed air energy into mechanical rotary energy according to the preamble of the main claim and of a compressed air driven air motor according to the preamble of claim 2, in particular for carrying out the method according to claim 1.
- compressed air motor compressed air motor
- a rotating, an output shaft actuated rotor has radially in the manner of a vane cell assembly by springs or centrifugal force on the wall pressed vane, as is also known in air compressors in many ways (DE OS 31 17 412 Al).
- the disadvantage of this type of drive is that the sealing wings in the direction of the rotating shaft rotor have a rectangular surface contact with the housing wall on which they slide along, with the disadvantage that it is extremely difficult here to achieve low friction and corresponding tightness quite apart from the disadvantages of extremely high production costs and problems with wear due to sealing and lubrication, which of course has a direct effect on the life, or the decreasing efficiency of the air motor with a corresponding duration of use.
- the compressed air driven drive motor should also there for compressed air tools, eg. B. grinder, use, which is known to be less important to the actual drive quality, but on the life.
- compressed air tools eg. B. grinder
- housing wall and rotary piston coating should be elastic to compensate for this known disadvantage, but this is associated with a corresponding effort.
- this unit can serve to implement the mechanical rotational energy in a high-speed generator, as used for example not only in dental technology and in which the rotor is rotationally coupled to the rotary shaft serving as a rotary shaft.
- a spur gear is connected to the output shaft and a second spur gear at a certain angle of rotation to the first spur gear forming the working space with this combs, wherein one of the parts as Zykloidenteil has a cycloidal development of the tread and wherein the teeth of the other with this combing co-operating part as a control part has tooth combs, which on the flanks of the cycloidal part to walk along.
- a rotary engine is known per se (DE OS 42 41 320 Al), but was never used for implementation in mechanical rotational energy due to the bias of the art.
- at least one of the rotors is arranged on a rolling bearing.
- the rolling bearings provided for supporting the shaft rotor and / or the counter rotor are supported in the housing of the engine. Smooth running is particularly important for pneumatically operated units, whereby the lubrication of the bearing is a not inconsiderable problem here, which may be one of the reasons for the bias of the experts.
- the rolling bearing is supported in the housing by a screwed in the direction of the rotation axis support nut and axially adjustable with the rotor in the housing.
- the inlet channel is distributed over a certain angle of rotation, narrower but in the direction of rotation extending widening, according to the pressure side formed between the rotors narrow opening to the working space.
- the outlet channel is distributed over a certain angle of rotation for degradation relatively widely formed according to the this point to the outlet channel wide open working space.
- the working space can be open to the outside, since the energy input to the compressed air has already been used up.
- 1 shows a longitudinal section along the axes of rotation I and II of a pneumatic motor with spur gear teeth.
- FIG. 2 shows a partial section through the variant of the pump housing with respect to FIG. 1 rotated by 90 ° position.
- Fig. 3 is a section along the line III-III in Fig. 2 and in a somewhat reduced scale and
- Fig. 4 is an insight into the housing according to the arrow IV in Fig. 2 in also slightly reduced scale.
- two rotors serving as rotary pistons are mounted in a housing 1, namely a shaft rotor 2 and a rotor Counter rotor 3, which engage with frontally arranged teeth 4 and 5 corresponding to each other and thereby limit with the housing 1 engine working spaces 6.
- the axis of rotation of the shaft rotor 2 is denoted by I, the axis of rotation of the counter rotor 3 with II.
- the two axes of rotation I and II enclose an angle ⁇ ⁇ 180 °, so that upon rotation of the rotors 2 and 3, the engine working spaces 6 correspondingly increase, respectively zoom out.
- the longitudinal section through the air motor shown in Fig. 1 passes through these two axes of rotation I and II.
- the housing 1 has inside for receiving the rotors on a cylindrical portion 7 and a spherical portion 8, wherein the latter merges into a cylindrical portion 9 for receiving the bearing of the counter-rotor 3 and corresponding to its offset center axis II.
- the counter-rotor 3 is mounted on a roller bearing 10th rotatably mounted, which is arranged clamped by a support plug 11 in the cylindrical portion 9 of the housing 1.
- the support plug 11 is screwed into the housing 1 for fastening the roller bearing 10.
- a spherical bearing surface 12 is provided, which at the same time also forms the engine working spaces 6 formed by the front teeth 4 and 5 of the rotors separates each other.
- a cycloidal toothing is provided with the known advantages (DE PS 42 41 320 C2).
- the actual power part forming wave rotor 2 is also rotatably mounted on a roller bearing 13, which is supported by a support nut 14, on the one hand in the cylindrical portion 7 of the housing 1 is guided, but on the other hand there is screwed via a thread 15 in the housing 1.
- the shaft rotor 2 also has a coupling opening 16 for receiving a rotary coupling, not shown, to the rotational movement transfer.
- a flange 17 is arranged to fasten a driven unit according to.
- a flange 18 is provided for connection to the compressed air inlet in a still at this point engine working space.
- the housing is shown rotated on the one hand relative to the section shown in Fig. 1 by 90 ° and also formed cylindrical over the entire length.
- the axes of rotation I and II coincide with one another in the illustration, which can only be seen as a perspective but also in FIG. 4.
- the corresponding to those in Fig. 1 things are provided with the same reference number as in Fig. 1 and distinguished by an index stroke.
- only one housing is shown as a variant, wherein the gate shown in FIG. 2 is intended to serve the outlet opening 19 after utilizing the compressed air, d. H. after their relaxation, to clarify.
- connection bore 20 is provided for the inlet of the compressed air in the not shown here but opposite at this point small pump working space 4.
- a corresponding large outlet opening 19 is provided to achieve an actual relaxation of the compressed air.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Motors (AREA)
- Rotary Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Exhaust Gas After Treatment (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007041461 | 2007-08-31 | ||
PCT/DE2008/001334 WO2009026883A2 (de) | 2007-08-31 | 2008-08-15 | Verfahren zur umwandlung von druckluftenergie in mechanische energie und druckluftmotor dafür |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2188496A2 true EP2188496A2 (de) | 2010-05-26 |
EP2188496B1 EP2188496B1 (de) | 2011-03-16 |
Family
ID=40292461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08801157A Active EP2188496B1 (de) | 2007-08-31 | 2008-08-15 | Druckluftmotor |
Country Status (7)
Country | Link |
---|---|
US (1) | US8517707B2 (de) |
EP (1) | EP2188496B1 (de) |
CN (1) | CN101970801B (de) |
AT (1) | ATE502185T1 (de) |
DE (2) | DE502008002903D1 (de) |
ES (1) | ES2360270T3 (de) |
WO (1) | WO2009026883A2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101970801B (zh) * | 2007-08-31 | 2013-04-10 | 罗伯特·博世有限公司 | 用于将压缩空气能转化为机械能的方法及其压缩空气发动机 |
RU2014128985A (ru) | 2011-12-19 | 2016-02-10 | Экспоненшиал Текнолоджиз, Инк. | Расширитель объемного типа |
DE102014209140A1 (de) * | 2013-05-23 | 2014-11-27 | Robert Bosch Gmbh | Förderaggregat |
WO2019113704A1 (en) | 2017-12-13 | 2019-06-20 | Exponential Technologies, Inc. | Rotary fluid flow device |
US11168683B2 (en) | 2019-03-14 | 2021-11-09 | Exponential Technologies, Inc. | Pressure balancing system for a fluid pump |
DE102020124825A1 (de) | 2020-09-23 | 2022-03-24 | Kolektor Group D.O.O. | Motor-Pumpe-Einheit |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1623596A (en) * | 1925-09-17 | 1927-04-05 | Bloomfield Holmes Corp | Compressor |
US2049775A (en) * | 1934-10-13 | 1936-08-04 | Frank E Holmes | Fluid control device |
US3236186A (en) * | 1963-04-29 | 1966-02-22 | Wildhaber Ernest | Positive-displacement unit |
US3273341A (en) * | 1963-04-29 | 1966-09-20 | Wildhaber Ernest | Positive-displacement thermal unit |
CH458608A (fr) * | 1966-06-14 | 1968-06-30 | Voser Otto | Machine volumétrique |
US3492974A (en) * | 1968-01-30 | 1970-02-03 | Heinrich Kreimeyer | Rotary nutating power device |
FR2148677A5 (de) * | 1971-07-30 | 1973-03-23 | Zimmern Bernard | |
US3817666A (en) * | 1973-02-12 | 1974-06-18 | E Wildhaber | Rotary positive displacement unit |
US3856440A (en) | 1974-03-19 | 1974-12-24 | E Wildhaber | Rotor pair for positive fluid displacement |
US4285644A (en) * | 1979-02-15 | 1981-08-25 | Takalo Kauko A | Expansion or compression machine with interengaging members rotating on perpendicular axes |
DE3117412A1 (de) | 1981-05-02 | 1982-11-18 | Festo-Maschinenfabrik Gottlieb Stoll, 7300 Esslingen | Druckluftbetriebener antriebsmotor fuer druckluftwerkzeuge, z.b. schleifer |
US4540343A (en) * | 1982-11-17 | 1985-09-10 | International Hydraulic Systems, Inc. | Spherical gear pump |
US4981424A (en) * | 1988-12-21 | 1991-01-01 | The United States Of America As Represented By The Secretary Of The Navy | High pressure single screw compressors |
US5513969A (en) | 1991-12-09 | 1996-05-07 | Arnold; Felix | Rotary piston machine having engaging cycloidal gears |
DE9320601U1 (de) | 1993-06-05 | 1994-10-13 | Festo Kg, 73734 Esslingen | Fluidisch betätigbarer Drehantrieb |
DE19613262A1 (de) | 1996-04-02 | 1997-10-09 | Festo Kg | Drehkolbenrundlaufmotor |
ATE359441T1 (de) * | 2001-01-30 | 2007-05-15 | Outland Technologies Inc | Verdrängervorrichtung, -verfahren und -apparat zur bereitstellung einer minimalkontaktdichtung |
US6494678B1 (en) * | 2001-05-31 | 2002-12-17 | General Electric Company | Film cooled blade tip |
EP1527256B1 (de) * | 2002-08-02 | 2013-05-22 | Robert Bosch GmbH | Drehkolbenmaschinen mit verschiebbarem innengehäuse |
JP5053637B2 (ja) * | 2003-09-11 | 2012-10-17 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 回転ピストン機械 |
DE502004002805D1 (de) * | 2003-09-11 | 2007-03-15 | Cor Pumps & Compressors Ag | Drehkolbenmaschine |
DE102004026048A1 (de) | 2004-05-25 | 2005-12-29 | Cor Pumps + Compressors Ag | Spaltverluststromsteuerung |
US7699592B2 (en) * | 2005-03-16 | 2010-04-20 | Cor Pumps + Compressors Ag | Rotary piston machine |
CN100412319C (zh) * | 2005-04-05 | 2008-08-20 | 山东嘉豪集团有限公司 | 空气发动机 |
CN101970801B (zh) * | 2007-08-31 | 2013-04-10 | 罗伯特·博世有限公司 | 用于将压缩空气能转化为机械能的方法及其压缩空气发动机 |
-
2008
- 2008-08-15 CN CN2008801045248A patent/CN101970801B/zh active Active
- 2008-08-15 DE DE502008002903T patent/DE502008002903D1/de active Active
- 2008-08-15 AT AT08801157T patent/ATE502185T1/de active
- 2008-08-15 WO PCT/DE2008/001334 patent/WO2009026883A2/de active Application Filing
- 2008-08-15 EP EP08801157A patent/EP2188496B1/de active Active
- 2008-08-15 ES ES08801157T patent/ES2360270T3/es active Active
- 2008-08-15 US US12/670,735 patent/US8517707B2/en active Active
- 2008-08-15 DE DE102008037903A patent/DE102008037903A1/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2009026883A2 * |
Also Published As
Publication number | Publication date |
---|---|
CN101970801A (zh) | 2011-02-09 |
DE502008002903D1 (de) | 2011-04-28 |
EP2188496B1 (de) | 2011-03-16 |
WO2009026883A2 (de) | 2009-03-05 |
CN101970801B (zh) | 2013-04-10 |
US20100215531A1 (en) | 2010-08-26 |
ATE502185T1 (de) | 2011-04-15 |
DE102008037903A1 (de) | 2009-03-05 |
ES2360270T3 (es) | 2011-06-02 |
WO2009026883A3 (de) | 2009-05-07 |
US8517707B2 (en) | 2013-08-27 |
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