EP1070848B1 - Verdrängermaschine für kompressible Medien - Google Patents
Verdrängermaschine für kompressible Medien Download PDFInfo
- Publication number
- EP1070848B1 EP1070848B1 EP99114031A EP99114031A EP1070848B1 EP 1070848 B1 EP1070848 B1 EP 1070848B1 EP 99114031 A EP99114031 A EP 99114031A EP 99114031 A EP99114031 A EP 99114031A EP 1070848 B1 EP1070848 B1 EP 1070848B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vacuum pump
- lead
- motors
- shafts
- outlet end
- 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
Links
Images
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
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B29/00—Other pumps with movable, e.g. rotatable cylinders
-
- 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
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/082—Details specially related to intermeshing engagement type pumps
- F04C18/084—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
- F04C2240/40—Electric motor
- F04C2240/402—Plurality of electronically synchronised 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
- F04C2240/00—Components
- F04C2240/50—Bearings
- F04C2240/51—Bearings for cantilever assemblies
Definitions
- the invention relates to a dry-running vacuum pump for compressible media according to the preamble of claim 1.
- a previously known displacement machine (GB 2030227A) is double- flow with single -profile profiles. This displacement machine is apparently primarily intended as a compressor.
- the object of the invention is to provide a displacement machine of the type mentioned, which is a cheaper Shows pumping behavior and increases the delivery rate is.
- the solution according to the invention is that the helical Profile body are double-threaded.
- the slope is therefore constant at the inlet end. That’s why original delivery volume the size of the slope on Inlet end corresponds.
- This funding volume will not reduced that the slope decreases immediately.
- advantageously extends the area with constant slope at least one turn (360 °) at the inlet end.
- a constant slope is again provided at the outlet end, which is less than the slope at the inlet end. This will the mentioned problems of backflow are greatly reduced, because over one turn or even several turns in the there is essentially constant pressure. This also makes the Final pressure of the pump reduced. At the same time because of the smaller funding volume reduces the power consumption.
- Displacement machines are known in which the rotors are used constant slopes at the inlet end and outlet end have (GB 2 227 057 B, EP 0 183 380 B1). These displacement machines are intended for pumping liquids, which may contain gas inclusions. Because liquids are not compressible to any significant degree, the Gaps between the rotors and the wall of the delivery room be dimensioned so that liquid during compression through the column corresponding to the pressure difference can flow to the inlet side. So it's still a reasonable one Pumping action is at the inlet end and Outlet areas with constant slope provided pump the liquid normally without compression, otherwise none due to the large gap widths required reasonable pumping action could be achieved. Because these pumps are alien and the problem with funding of liquid is completely different from that of compressible media, these pumps are not able to indicate anything to give the displacement machines according to the invention.
- the slopes are at the inlet and outlet ends constant over at least one turn.
- the slope at the outlet end is constant over at least two turns. This gives you not only get better sealing and less backflow, but also better dissipation of the heat of compression. This then arises with a dry-running vacuum pump the heat of compression through the volume reduction and the Heat of compression due to the penetration of outside air at the outlet end no longer in the same place and can therefore do better be dissipated.
- the number of turns over which the slope is constant depends on the desired operating conditions of the pump.
- a particularly favorable behavior of the displacement machine in particular in the vacuum range is obtained if provided is that the shafts are each driven by their own electric motors be, the angular positions of the shafts with resolvers the motors are determined on the basis of their signals be electronically synchronized, and being the waves Have gears that mesh and their angular play is smaller than that of the profile body.
- the rotors are not driven by gears, but are completely contact-free thanks to our own electric motors driven, the gears only have the purpose to prevent in the event of electronic synchronization failure, that the sensitive surfaces of the rotors touch and get damaged. Instead, the Touch gears, which is not a problem, in particular, if they are provided with the appropriate surface.
- Three-phase motors have proven to be particularly suitable for operation proven with permanent magnetic rotor as drive.
- Fig. 1 there are one of several Parts of assembled pump housing 1 with bearings 2 two shafts 3 stored on which profile body 4 are attached, which interlock and in the pump chamber 5 through a connection 13 that Suck the medium to be pumped from above and not through the bottom Eject the openings shown.
- the waves 3 and the profile body 4 are driven by electric motors 6, whereby for each shaft 3 a separate electric motor 6 is provided.
- Below on the shafts 3 there are two intermeshing gear wheels 7 intended.
- the motors 6 are 8 using resolvers electronically synchronized. In adverse operating conditions, if the electronic synchronization is not sufficient, first touch the gears 7 because they are one have less angular play than the rotors 4. Usually but do not touch the gears 7, so that on lubrication of these gears can be dispensed with.
- rotors according to the invention are shown, in which the slope decreases from the top (inlet end) to the bottom (outlet end).
- the slope S 1 has a constant value over at least one turn.
- the range of constant slope S 3 advantageously extends over at least two turns of the rotors 4.
- the slope S 2 changes continuously from the value of S 1 to the value of S 3 .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Carbon And Carbon Compounds (AREA)
- Prostheses (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Rotary Pumps (AREA)
- Lubricants (AREA)
Description
- Fig 1.
- schematisch den Aufbau einer Verdrängermaschine, bei der die Erfindung verwendet werden kann; und
- Fig 2.
- erfindungsgemäße Profilkörper, die im Zusammenhang mit der Verdrängermaschine der Figur 1 verwendet werden können.
Claims (6)
- Trockenlaufende Vakuumpumpe für kompressible Medien mit mindestens zwei Wellen (3) mit Rotoren (4), die als schraubenförmige Profilkörper (4) ausgebildet sind und deren Profile bei der Drehung zahnradartig ineinandergreifen und berührungsfrei zueinander laufen, wobei die Steigung der schraubenförmigen Profilkörper vom Einlaß zum Auslaß abnimmt, und die Steigungen (S1, S3) am Einlaßende und Auslaßende der schraubenförmigen Profilkörper (4) konstant sind und dazwischen von der größeren Steigung (S1) am Einlaßende zur kleineren Steigung (S3) am Auslaßende die Steigung (S2) kontinuierlich abnimmt, dadurch gekennzeichnet, daß die schraubenförmigen Profilkörper (4) zweigängig ausgebildet sind.
- Vakuumpumpe nach Anspruch 1, dadurch gekennzeichnet, daß die Steigung (S1, S3) am Einlaß- und Auslaßende über mindestens eine Windung konstant sind.
- Vakuumpumpe nach Anspruch 2, dadurch gekennzeichnet, daß die Steigung (S3) am Auslaßende über mindestens zwei Windungen konstant ist.
- Vakuumpumpe nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet, daß die Wellen (3) jeweils durch eigene Elektromotoren (6) angetrieben werden, wobei die Winkelpositionen der Wellen (3) mit Resolvern (8) bestimmt werden, aufgrund von deren Signalen die Motoren (6) elektronisch synchronisiert werden, und wobei die Wellen (3) Zahnräder (7) aufweisen, die ineinandergreifen und deren Winkelspiel kleiner ist als dasjenige der Profilkörper (4).
- Vakuumpumpe nach den Ansprüchen 1 bis 4, dadurch gekennzeichnet, daß sie eine Differenzregelung für die Drehzahl der Motoren (6) aufweist.
- Vakuumpumpe nach den Ansprüchen 1 bis 5, dadurch gekennzeichnet, daß die Motoren (6) Drehstrommotoren mit permanent magnetischem Rotor sind.
Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES99114031T ES2219956T3 (es) | 1999-07-19 | 1999-07-19 | Maquina volumetrica para medios comprimibles. |
| DK99114031T DK1070848T3 (da) | 1999-07-19 | 1999-07-19 | Fortrængningsmaskine til kompressible medier |
| EP99114031A EP1070848B1 (de) | 1999-07-19 | 1999-07-19 | Verdrängermaschine für kompressible Medien |
| DE59909182T DE59909182D1 (de) | 1999-07-19 | 1999-07-19 | Verdrängermaschine für kompressible Medien |
| AT99114031T ATE264457T1 (de) | 1999-07-19 | 1999-07-19 | Verdrängermaschine für kompressible medien |
| NO20003590A NO323484B1 (no) | 1999-07-19 | 2000-07-13 | Fortrengningsmaskin for kompressible medier |
| ZA200003568A ZA200003568B (en) | 1999-07-19 | 2000-07-17 | Displacement machine for compressible media. |
| JP2000217626A JP2001055992A (ja) | 1999-07-19 | 2000-07-18 | 圧縮可能媒体用排出機 |
| CA002314124A CA2314124C (en) | 1999-07-19 | 2000-07-18 | Displacement machine for compressible media |
| SG200003980A SG86422A1 (en) | 1999-07-19 | 2000-07-18 | Displacement machine for compressible media |
| KR1020000041054A KR100573752B1 (ko) | 1999-07-19 | 2000-07-18 | 압축 매질용 용적식 기계 |
| AU48703/00A AU775135B2 (en) | 1999-07-19 | 2000-07-19 | Displacement machine for compressible media |
| US09/619,600 US6359411B1 (en) | 1999-07-19 | 2000-07-19 | Displacement machine for compressible media |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP99114031A EP1070848B1 (de) | 1999-07-19 | 1999-07-19 | Verdrängermaschine für kompressible Medien |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1070848A1 EP1070848A1 (de) | 2001-01-24 |
| EP1070848B1 true EP1070848B1 (de) | 2004-04-14 |
Family
ID=8238616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99114031A Expired - Lifetime EP1070848B1 (de) | 1999-07-19 | 1999-07-19 | Verdrängermaschine für kompressible Medien |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US6359411B1 (de) |
| EP (1) | EP1070848B1 (de) |
| JP (1) | JP2001055992A (de) |
| KR (1) | KR100573752B1 (de) |
| AT (1) | ATE264457T1 (de) |
| AU (1) | AU775135B2 (de) |
| CA (1) | CA2314124C (de) |
| DE (1) | DE59909182D1 (de) |
| DK (1) | DK1070848T3 (de) |
| ES (1) | ES2219956T3 (de) |
| NO (1) | NO323484B1 (de) |
| SG (1) | SG86422A1 (de) |
| ZA (1) | ZA200003568B (de) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH694339A9 (de) | 2000-07-25 | 2005-03-15 | Busch Sa Atel | Zwillingsschraubenrotoren und solche enthaltende Ve rdraengermaschinen. |
| JP2004263629A (ja) | 2003-03-03 | 2004-09-24 | Tadahiro Omi | スクリュー真空ポンプ |
| GB0405527D0 (en) * | 2004-03-12 | 2004-04-21 | Boc Group Plc | Vacuum pump |
| EP1767785A1 (de) * | 2004-06-15 | 2007-03-28 | Kabushiki Kaisha Toyota Jidoshokki | Schneckenpumpe und -getriebe |
| WO2005124155A1 (ja) * | 2004-06-18 | 2005-12-29 | Tohoku University | スクリュー真空ポンプ |
| JP4853168B2 (ja) * | 2006-08-10 | 2012-01-11 | 株式会社豊田自動織機 | スクリューポンプ |
| JP4779868B2 (ja) | 2006-08-11 | 2011-09-28 | 株式会社豊田自動織機 | スクリューポンプ |
| US20080193316A1 (en) * | 2007-02-08 | 2008-08-14 | Kabushiki Kaisha Toyota Jidoshokki | Roots pump |
| US8328542B2 (en) * | 2008-12-31 | 2012-12-11 | General Electric Company | Positive displacement rotary components having main and gate rotors with axial flow inlets and outlets |
| RU2448273C2 (ru) * | 2009-08-03 | 2012-04-20 | Открытое акционерное общество "УРАЛЬСКИЙ ЭЛЕКТРОХИМИЧЕСКИЙ КОМБИНАТ" | Роторная винтовая машина |
| KR101142113B1 (ko) | 2009-10-21 | 2012-05-09 | 주식회사 코디박 | 모터 및 로터 회전축 일체형 스크루 로터 진공펌프 |
| KR101138389B1 (ko) * | 2009-10-21 | 2012-04-26 | 주식회사 코디박 | 모터 내장형 스크루 로터 타입 진공펌프 |
| KR101150971B1 (ko) * | 2009-10-22 | 2012-06-01 | 주식회사 코디박 | 스크루 로터 타입 진공 펌프 |
| DE102010019402A1 (de) * | 2010-05-04 | 2011-11-10 | Oerlikon Leybold Vacuum Gmbh | Schrauben-Vakuumpumpe |
| US8764424B2 (en) | 2010-05-17 | 2014-07-01 | Tuthill Corporation | Screw pump with field refurbishment provisions |
| RU2014152812A (ru) * | 2012-05-25 | 2016-07-20 | Ателье Буш Са | Усовершенствованная объемная машина винтового типа |
| US9845803B2 (en) | 2012-06-28 | 2017-12-19 | Sterling Industry Consult Gmbh | Screw pump |
| CN102808771B (zh) * | 2012-08-14 | 2015-01-07 | 东北大学 | 等齿顶宽的单头变螺距螺杆转子 |
| CN103486023B (zh) * | 2013-07-10 | 2015-10-28 | 重庆德衡科技有限公司 | 螺杆泵及螺杆 |
| CN105697373B (zh) * | 2014-11-25 | 2017-08-25 | 巫修海 | 一种螺杆真空泵的螺杆 |
| DE202016005209U1 (de) * | 2016-08-30 | 2017-12-01 | Leybold Gmbh | Schraubenvakuumpumpe |
| DE102016216279A1 (de) | 2016-08-30 | 2018-03-01 | Leybold Gmbh | Vakuumpumpen-Schraubenrotor |
| CN106151031A (zh) * | 2016-09-30 | 2016-11-23 | 北京艾岗科技有限公司 | 一种无油螺杆空压机 |
| DE202017005336U1 (de) * | 2017-10-17 | 2019-01-21 | Leybold Gmbh | Schraubenrotor |
| DE202018000178U1 (de) * | 2018-01-12 | 2019-04-15 | Leybold Gmbh | Kompressor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2030227A (en) * | 1978-09-20 | 1980-04-02 | Klaey E | Rotary-piston fluid-machines |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB165890A (en) | 1920-02-03 | 1921-06-03 | Frank Henry Trier | Improvements in tunnelling machines |
| CH246525A (de) * | 1942-05-21 | 1947-01-15 | Graaf George Alexander V D | Vakuumpumpe, welche mehrere ineinandergreifende Förderschrauben besitzt. |
| FR1500160A (fr) * | 1966-07-29 | 1967-11-03 | Perfectionnements aux compresseurs et moteurs rotatifs | |
| GB2165890B (en) * | 1984-10-24 | 1988-08-17 | Stothert & Pitt Plc | Improvements in pumps |
| US4792295A (en) * | 1987-03-05 | 1988-12-20 | Joyce Sr Benjamin N | Variable volume rotary vane pump-motor units |
| FR2647853A1 (fr) * | 1989-06-05 | 1990-12-07 | Cit Alcatel | Pompe primaire seche a deux etages |
| DE69123898T3 (de) * | 1990-08-01 | 2004-08-05 | Matsushita Electric Industrial Co., Ltd., Kadoma | Drehanlage für flüssige Medien |
| US5108275A (en) * | 1990-12-17 | 1992-04-28 | Sager William F | Rotary pump having helical gear teeth with a small angle of wrap |
| DE69304102T3 (de) * | 1992-01-31 | 2004-06-03 | Matsushita Electric Industrial Co., Ltd., Kadoma | Gerät mit mehreren synchron rotierenden Wellen |
| JP3569924B2 (ja) * | 1992-03-19 | 2004-09-29 | 松下電器産業株式会社 | 流体回転装置 |
| US5374173A (en) * | 1992-09-04 | 1994-12-20 | Matsushita Electric Industrial Co., Ltd. | Fluid rotating apparatus with sealing arrangement |
| DE4314418A1 (de) * | 1993-05-03 | 1994-11-10 | Leybold Ag | Reibungsvakuumpumpe mit unterschiedlich gestalteten Pumpenabschnitten |
| DE4318707A1 (de) * | 1993-06-04 | 1994-12-08 | Sihi Gmbh & Co Kg | Verdrängermaschine mit elektronischer Motorsynchronisation |
| JPH08100779A (ja) * | 1994-10-04 | 1996-04-16 | Matsushita Electric Ind Co Ltd | 真空ポンプ |
| US5704250A (en) * | 1996-04-04 | 1998-01-06 | Western Atlas, Inc. | Ball screw drive with dynamically adjustable preload |
| DE19749572A1 (de) * | 1997-11-10 | 1999-05-12 | Peter Dipl Ing Frieden | Trockenlaufender Schraubenverdichter oder Vakuumpumpe |
| DE19800825A1 (de) * | 1998-01-02 | 1999-07-08 | Schacht Friedrich | Trockenverdichtende Schraubenspindelpumpe |
-
1999
- 1999-07-19 ES ES99114031T patent/ES2219956T3/es not_active Expired - Lifetime
- 1999-07-19 DK DK99114031T patent/DK1070848T3/da active
- 1999-07-19 EP EP99114031A patent/EP1070848B1/de not_active Expired - Lifetime
- 1999-07-19 DE DE59909182T patent/DE59909182D1/de not_active Expired - Lifetime
- 1999-07-19 AT AT99114031T patent/ATE264457T1/de not_active IP Right Cessation
-
2000
- 2000-07-13 NO NO20003590A patent/NO323484B1/no not_active IP Right Cessation
- 2000-07-17 ZA ZA200003568A patent/ZA200003568B/xx unknown
- 2000-07-18 SG SG200003980A patent/SG86422A1/en unknown
- 2000-07-18 CA CA002314124A patent/CA2314124C/en not_active Expired - Fee Related
- 2000-07-18 KR KR1020000041054A patent/KR100573752B1/ko not_active Expired - Lifetime
- 2000-07-18 JP JP2000217626A patent/JP2001055992A/ja active Pending
- 2000-07-19 AU AU48703/00A patent/AU775135B2/en not_active Ceased
- 2000-07-19 US US09/619,600 patent/US6359411B1/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2030227A (en) * | 1978-09-20 | 1980-04-02 | Klaey E | Rotary-piston fluid-machines |
Also Published As
| Publication number | Publication date |
|---|---|
| NO20003590D0 (no) | 2000-07-13 |
| EP1070848A1 (de) | 2001-01-24 |
| KR100573752B1 (ko) | 2006-04-24 |
| KR20010015358A (ko) | 2001-02-26 |
| CA2314124A1 (en) | 2001-01-19 |
| US6359411B1 (en) | 2002-03-19 |
| NO20003590L (no) | 2001-01-22 |
| DK1070848T3 (da) | 2004-08-09 |
| ZA200003568B (en) | 2001-02-07 |
| JP2001055992A (ja) | 2001-02-27 |
| NO323484B1 (no) | 2007-05-21 |
| SG86422A1 (en) | 2002-02-19 |
| AU775135B2 (en) | 2004-07-15 |
| ES2219956T3 (es) | 2004-12-01 |
| CA2314124C (en) | 2008-05-27 |
| ATE264457T1 (de) | 2004-04-15 |
| AU4870300A (en) | 2001-01-25 |
| DE59909182D1 (de) | 2004-05-19 |
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