EP1474591B1 - Moteur a air comprime - Google Patents

Moteur a air comprime Download PDF

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Publication number
EP1474591B1
EP1474591B1 EP03702831A EP03702831A EP1474591B1 EP 1474591 B1 EP1474591 B1 EP 1474591B1 EP 03702831 A EP03702831 A EP 03702831A EP 03702831 A EP03702831 A EP 03702831A EP 1474591 B1 EP1474591 B1 EP 1474591B1
Authority
EP
European Patent Office
Prior art keywords
compressed
air motor
rotor
vanes
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.)
Expired - Lifetime
Application number
EP03702831A
Other languages
German (de)
English (en)
Other versions
EP1474591A1 (fr
Inventor
Thomas Müller
Kurt Müller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ROTOMED AG
Original Assignee
KMB Feinmechanik AG
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.)
Filing date
Publication date
Application filed by KMB Feinmechanik AG filed Critical KMB Feinmechanik AG
Publication of EP1474591A1 publication Critical patent/EP1474591A1/fr
Application granted granted Critical
Publication of EP1474591B1 publication Critical patent/EP1474591B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C18/348—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the vanes positively engaging, with circumferential play, an outer rotatable member
    • 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
    • F01C1/30—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F01C1/34—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members
    • F01C1/344—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F01C1/348—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the vanes positively engaging, with circumferential play, an outer rotatable member
    • 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
    • F04C2250/00—Geometry
    • F04C2250/10—Geometry of the inlet or outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2223/00—Cellulosic materials, e.g. wood
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2253/00—Other material characteristics; Treatment of material
    • F05C2253/04—Composite, e.g. fibre-reinforced

Definitions

  • the invention relates to an oil-free operated air motor with a guide bore having housing and a rotor rotatably mounted therein, wherein the rotor is provided with outwardly extending slots in which plate-shaped fins are mounted radially displaceable by the centrifugal force and in the region of the fins between the outside the rotor and the guide bore of the housing is arranged a substantially cylindrical, freely rotatable flight sleeve surrounding the outside of the slats and the flight sleeve has on its jacket a plurality of passages for the compressed air and wherein the flight sleeve and / or the slats are made of plastic.
  • the prior art knows various types of vane motors (Vane engines), which are to be operated with compressed air.
  • the European patent EP-B1-394651 describes a structure with a rotor and centrifugal sliding slats, wherein the rotor is disposed in a flight sleeve, which is housed within a bore of a housing.
  • This flight sleeve has the task of preventing the slats on the inner wall of the housing shy. During operation, the rotor and the flight sleeve thus rotate.
  • the bore of the housing is not cylindrical in this known structure, but on one side by a pocket non-cylindrically deformed. This is because it was obviously believed that a compressed air supply is required in the space between the flight sleeve and the outer cylinder wall. As a further reason, the one-sided extra-cylindrical deformation has presumably become necessary because, due to the pressure load of the axially flowing compressed air into the space between the rotor and the flight sleeve, a tendency to side shift of the flight sleeve resulted could be compensated by the additional radial clearance in the recess.
  • the pneumatic motors with flight sleeve specified in the prior art are designed to reduce the friction which occurs between the disks and the outer housing in other pneumatic motors, thereby enabling oil-free operation.
  • the US4120623 discloses a pneumatic motor according to the preamble of claim 1.
  • the invention is therefore an object of the invention to provide an oil-free operable air motor with improved efficiency, the production should not be particularly difficult.
  • the air connections for air inlet and Heilaustass need not be specially formed in the inventive system, they are preferably deburred, or sandblasted to improve the flow efficiency yet.
  • the rotor may be provided with non-radial blades, but preferably the blades are arranged in radial slots and not force controlled.
  • a material for the lamellae and / or for the flight sleeve plastic especially phenolic resin-cotton fabric is used.
  • the passage openings in the flight sleeve are arranged distributed irregularly on the circumference and / or over the length of the flight sleeve. They can be distributed differently according to the needs and depending on the length of the flight sleeve depending, or designed differently.
  • the passage openings are preferably statistically or randomly distributed with regard to the noise-optimized behavior of the flight sleeve, that is to say that there are as far as possible no regular distances between the holes in the circumferential direction of the flight sleeve. This prevents that at the high speeds in the air medium dominant tones can be generated.
  • the passage openings n can also be arranged distributed so that the passage openings deliberately generate complementary tones, so that a "white noise" (i.e., a noise inaudible to the observer) arises
  • the passage openings are advantageously formed as substantially radially extending bores. Holes are very simple and economical to produce.
  • passage openings are formed as slots. By varying the length and width of the slots, the desired passage cross-section can be optimally determined.
  • the slots advantageously extend substantially in the longitudinal direction of the flight sleeve.
  • the slots are substantially helical. Due to the helical shape, the noise level can be reduced and a smoother running of the rotor can be achieved.
  • a noise-enhancing effect of the type described above can also be achieved in that the lamellae are not arranged distributed symmetrically exactly on the circumference of the rotor.
  • the flight sleeve and / or the lamellae are preferably made of phenolic resin-cotton fabric. On the one hand, this results in a low weight and, associated therewith, a small flywheel, so that such air motors are very dynamic, i. can be operated with a strong speed change.
  • the longitudinal slots for the slats are arranged approximately parallel offset from the radial planes. This results in a larger surface acted upon by the compressed air than in radially arranged fins.
  • fins Preferably, four fins are provided, but the invention is not limited thereto and more or fewer fins may be provided depending on the diameter and the choice of material.
  • the out Fig.1 and 2 apparent air motor consists essentially of a multi-part, generally designated 1 housing.
  • a rotor 2 is rotatably mounted by means of bearings 3.4
  • the central region of the housing 1 has a substantially cylindrical guide bore 5.
  • a tool holder 6 At the front end of the rotor 2 is a tool holder 6.
  • the rotor 2 has four substantially radially extending longitudinal slots 7. In the longitudinal slots 7 slats 8 are guided radially displaceable.
  • a flight sleeve 9 surrounds the outer end side of the fins 8 and is in the guide bore 5 of the housing 1 freely rotatably mounted.
  • the flight sleeve 9 rotates with the rotor 2 in the housing 1, wherein the rotational drive between the rotor 2 and the flight sleeve 9 takes place only by friction between the blades 8 and the flight sleeve 9.
  • the flight sleeve 9 prevents the contact of the fins 8 with the guide bore 5 and thus also associated Abnönungserscheinept the fins 8 and the guide bore 5.
  • the supply of compressed air via a feed channel 12, which opens at the rear end side of the rotor 2 in the guide bore 5 ,
  • the air outlet 13 is located on the supply channel 12 approximately radially opposite side.
  • the flight sleeve 9 is provided with average openings 10,11. These average openings 10,11 are used to pass the compressed air from the formed between the fins 8, the outside of the rotor 2 and the inside of the flight sleeve 9 chambers 14. By the passage of a portion of the compressed air is also on the outside of the flight sleeve 9 an air cushion built , This prevents that the flying sleeve 9 is pressed by the internal pressure on one side against the bore of the housing 1 and thereby it comes to a large wear between the flight sleeve 9 and the housing 1.
  • the average openings 10, 11 may be formed, for example, as bores or as slots.
  • the passage openings 10,11 are preferably axially and / or radially arranged offset from each other. However, this displacement of the passage openings can be positively influenced by the high speeds (up to approximately 80,000 rpm) that are produced by such devices.
  • the lamellae 8 and / or the flight sleeve 9 are made of a plastic, in particular phenolic resin-cotton fabric. On the one hand, this results in a low weight and, associated therewith, a small flywheel mass, so that such compressed air motors can be operated very dynamically, ie with a high speed change.
  • the out Fig. 3 apparent cross section through a further embodiment of an inventive compressed air motor shows a housing 21 and a rotor 22nd
  • the housing 21 has a guide bore 25.
  • the rotor 22 is provided with longitudinal slots 27, which, however, in contrast to the in Fig. 2 illustrated embodiment do not extend radially, but are arranged in a plane offset parallel to the radial plane.
  • In the longitudinal slots 27 also slats 28 are slidably mounted.
  • a flight sleeve 29 surrounds the outside of the lamellae 28 and is mounted in the guide bore 25 of the housing 1.
  • the flight sleeve 29 is provided with at least one average opening 30. Through the average opening 30 compressed air can enter the annular gap between the housing 21 and the flight sleeve 29.
  • the average opening 30 can be arranged axially and / or radially at different locations of the flight sleeve 29. It is also possible to provide a plurality of openings on the circumference of the flight sleeve, wherein the average openings, for example, can be formed as holes or as slots.
  • Both the flight sleeve 29 and the fins 28 are preferably made of a plastic, for example. Phenoiharz-Baumwottfeinstgewebe.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Motor Or Generator Frames (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Claims (9)

  1. Moteur à air comprimé pouvant fonctionner sans huile, avec un corps (1, 21) présentant un alésage de guidage (5, 15) et un rotor tournant (2, 22) logé dans celui-ci, dans lequel le rotor (2, 22) est pourvu de fentes (7, 27) orientées vers l'extérieur, dans lesquelles sont disposées des lamelles en forme de plaquettes (8, 28) pouvant coulisser vers l'extérieur sous l'effet de la force centrifuge, et une douille volante (9, 29) pouvant tourner librement, enveloppant le côté extérieur des lamelles (8, 28), est disposée dans la région des lamelles (8,28) entre le côté extérieur du rotor (2, 22) et l'alésage de guidage (5, 15) du corps (1, 21), et la douille volante (9, 29) présente sur sa surface latérale plusieurs ouvertures de passage (10, 11, 30) pour l'air comprimé et dans lequel la douille volante (9, 29) et/ou les lamelles (8, 28) sont composées de matière plastique, caractérisé en ce que les ouvertures de passage (10, 11, 30) sont disposées avec une répartition irrégulière sur la périphérie et/ou sur la longueur de montage de la douille volante (9, 29).
  2. Moteur à air comprimé selon la revendication 1, caractérisé en ce que les ouvertures de passage sont formées par des alésages (10, 11) orientés essentiellement en direction radiale.
  3. Moteur à air comprimé selon la revendication 1, caractérisé en ce que les ouvertures de passage sont formées par des fentes (30).
  4. Moteur à air comprimé selon la revendication 3, caractérisé en ce que les fentes (30) sont orientées essentiellement en direction longitudinale de la douille volante (9, 29).
  5. Moteur à air comprimé selon la revendication 3, caractérisé en ce que les fentes (30) sont essentiellement hélicoïdales.
  6. Moteur à air comprimé selon l'une quelconque des revendications précédentes, caractérisé en ce que les ouvertures de passage (10, 11, 30) sont disposées avec une répartition irrégulière sur la périphérie du rotor (2, 22).
  7. Moteur à air comprimé selon l'une quelconque des revendications précédentes, caractérisé en ce que la douille volante (9, 29) et/ou les lamelles (8, 28) se composent de préférence d'un tissu très fin en coton et résine phénolique.
  8. Moteur à air comprimé selon l'une quelconque des revendications précédentes, caractérisé en ce que les fentes longitudinales (7, 27) pour les lamelles (8, 28) sont décalées sensiblement parallèlement par rapport aux plans radiaux.
  9. Moteur à air comprimé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu au moins deux à six, de préférence quatre lamelles (8, 28).
EP03702831A 2002-02-05 2003-02-04 Moteur a air comprime Expired - Lifetime EP1474591B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH196022002 2002-02-05
CH1962002 2002-02-05
PCT/IB2003/000350 WO2003067032A1 (fr) 2002-02-05 2003-02-04 Moteur a air comprime

Publications (2)

Publication Number Publication Date
EP1474591A1 EP1474591A1 (fr) 2004-11-10
EP1474591B1 true EP1474591B1 (fr) 2008-07-30

Family

ID=27671992

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03702831A Expired - Lifetime EP1474591B1 (fr) 2002-02-05 2003-02-04 Moteur a air comprime

Country Status (9)

Country Link
US (1) US7134856B2 (fr)
EP (1) EP1474591B1 (fr)
JP (1) JP2005522611A (fr)
KR (1) KR20040077882A (fr)
CN (1) CN1330851C (fr)
AT (1) ATE403066T1 (fr)
AU (1) AU2003205948A1 (fr)
DE (1) DE50310241D1 (fr)
WO (1) WO2003067032A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10310863B3 (de) * 2003-03-11 2004-10-28 Schmid & Wezel Gmbh & Co Schleifgerät
GB0419848D0 (en) * 2004-09-07 2004-10-13 Carbonate Ltd Pumps
EP1910645B1 (fr) * 2005-07-22 2014-09-10 Rotomed AG Micromoteur a air comprime
KR100799329B1 (ko) * 2007-06-28 2008-01-30 임기원 공압을 이용한 유증기 흡입장치 및 이를 구비한 유증기회수형 주유기
CN102248993B (zh) * 2011-05-16 2014-03-26 哈尔滨工程大学 气动微型观光潜艇推进装置
CN104813032B (zh) * 2012-11-19 2016-11-23 麦格纳动力系巴德霍姆堡有限责任公司 机动车真空泵
CN103527253A (zh) * 2013-10-21 2014-01-22 宋振才 一种能量转换装置
CN103527252A (zh) * 2013-10-21 2014-01-22 宋振才 一种叶片式能量转换装置
CN115199338A (zh) * 2022-06-30 2022-10-18 宁波郡邦新材料有限公司 一种新型的势能转化成机械能的能量传递装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4120623A (en) * 1976-05-14 1978-10-17 Kaltenbach & Voigt Gmbh & Co. Pneumatic vane-type motor with bearing ring for vane tips
US4177024A (en) * 1976-05-14 1979-12-04 Kaltenbach & Voigt Gmbh & Co. Vane air motor with eccentric adjustment ring and bearing ring for vane ends

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
US2407613A (en) * 1943-01-25 1946-09-10 Victor Products Ltd Compressed-air driven drill
US3417664A (en) * 1966-08-29 1968-12-24 Black & Decker Mfg Co Vane construction for pneumatic motor
GB1336128A (en) * 1969-11-10 1973-11-07 Tac Construction Materials Ltd Plastics material reinforced with carbon and other fibres
US4004865A (en) * 1973-05-01 1977-01-25 Nikkiso Eiko Co., Ltd. Pump with yieldable radial partitions and rotatable side plates
DE2421906C2 (de) * 1974-05-07 1984-04-26 UNUS dei F.lli Rossato V. & S., S.N.C., Padua Drehkolbenluftpumpe
US4197061A (en) * 1977-12-27 1980-04-08 Boeing Commercial Airplane Company Rotary pneumatic vane motor with rotatable tubing contacted by vanes
JPS5865988A (ja) * 1981-10-13 1983-04-19 Nippon Piston Ring Co Ltd 回転圧縮機
JPS59105990A (ja) * 1982-12-11 1984-06-19 Nippon Piston Ring Co Ltd 回転圧縮機
JPS59188080A (ja) 1983-03-31 1984-10-25 Mazda Motor Corp 回転スリ−ブを有する回転圧縮機
JPS59188081A (ja) 1983-03-31 1984-10-25 Mazda Motor Corp 回転スリーブを有する回転圧縮機
JPS59188089A (ja) 1983-03-31 1984-10-25 Mazda Motor Corp 回転圧縮機の回転スリ−ブ
JPS59188085A (ja) * 1983-03-31 1984-10-25 Mazda Motor Corp 回転圧縮機の回転スリ−ブ
JPS61268892A (ja) 1985-03-30 1986-11-28 Nippon Piston Ring Co Ltd 回転圧縮機
CN86105303A (zh) * 1986-08-06 1988-02-17 江西省永修有机化工总厂 真空泵旋片新材料——三脂棉泵用旋片
CH672819A5 (fr) 1988-04-26 1989-12-29 Waelchli Hans
DE3913908A1 (de) * 1989-04-27 1990-10-31 Schmid & Wezel Druckluftlamellenmotor
DE19744812A1 (de) 1997-10-02 1999-04-08 Herold & Semmler Transporttech Rotationskolbenmaschine
GB9913438D0 (en) * 1999-06-09 1999-08-11 Imperial College A rotary pump

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4120623A (en) * 1976-05-14 1978-10-17 Kaltenbach & Voigt Gmbh & Co. Pneumatic vane-type motor with bearing ring for vane tips
US4177024A (en) * 1976-05-14 1979-12-04 Kaltenbach & Voigt Gmbh & Co. Vane air motor with eccentric adjustment ring and bearing ring for vane ends

Also Published As

Publication number Publication date
ATE403066T1 (de) 2008-08-15
WO2003067032A1 (fr) 2003-08-14
CN1330851C (zh) 2007-08-08
KR20040077882A (ko) 2004-09-07
EP1474591A1 (fr) 2004-11-10
JP2005522611A (ja) 2005-07-28
US7134856B2 (en) 2006-11-14
US20050129560A1 (en) 2005-06-16
AU2003205948A1 (en) 2003-09-02
CN1620545A (zh) 2005-05-25
DE50310241D1 (de) 2008-09-11

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