EP2986821B1 - Drehflügelvakuumpumpe - Google Patents

Drehflügelvakuumpumpe Download PDF

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Publication number
EP2986821B1
EP2986821B1 EP13718174.9A EP13718174A EP2986821B1 EP 2986821 B1 EP2986821 B1 EP 2986821B1 EP 13718174 A EP13718174 A EP 13718174A EP 2986821 B1 EP2986821 B1 EP 2986821B1
Authority
EP
European Patent Office
Prior art keywords
vane
vacuum pump
type rotary
rotary vacuum
drive motor
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.)
Active
Application number
EP13718174.9A
Other languages
English (en)
French (fr)
Other versions
EP2986821A1 (de
Inventor
Christian Schaller
Didier 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.)
Ateliers Busch SA
Original Assignee
Ateliers Busch SA
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Filing date
Publication date
Application filed by Ateliers Busch SA filed Critical Ateliers Busch SA
Priority to PL13718174T priority Critical patent/PL2986821T3/pl
Publication of EP2986821A1 publication Critical patent/EP2986821A1/de
Application granted granted Critical
Publication of EP2986821B1 publication Critical patent/EP2986821B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 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 groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 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 groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner 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
    • F04C2220/00—Application
    • F04C2220/10—Vacuum
    • 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
    • F04C2240/30—Casings or housings

Definitions

  • the invention relates to a rotary vane vacuum pump which is particularly suitable for use in industry in which it is necessary to comply with certain rules of hygiene both during the operation of the pump and with regard to cleaning services.
  • Rotary vane vacuum pumps have been around for a long time.
  • the rotor is provided with several blades (called “vanes”) which slide radially and which ensure the transfer of the pumped air.
  • liquids or solids can be deposited and stagnate in said retention zones on the surface of the pump and thus give rise to the development of pathogenic organisms (fungi, bacteria, etc.) which induces risks of contamination.
  • the document WO2012 / 076204 also describes a pump which is no longer a lubricated vane pump, but a dry screw type pump, devoid of oil.
  • the pumping rotors are housed therein a cylinder whose outer casing is smooth, but not thus no more cooling fins unlike that of the document EP0166807 mentioned above.
  • the document US20100183467 describes an example of a portable vacuum pump.
  • the major aim of the invention is therefore to provide a rotary vane vacuum pump which does not have the aforementioned drawbacks and which is particularly suitable for use in environments subject to strict hygiene standards.
  • a rotary vane vacuum pump as defined by the terms of the first claim.
  • the pump has the peculiarity that all the surfaces of the pump visible from the top are arranged so that they are devoid of elements liable to retain liquids or solids.
  • this pump may, at least in part, be provided with protection means devoid of surfaces or hollows capable of retaining liquids or solids.
  • Such a pump also has the advantage of being easy to clean. It is thus perfectly suitable for use in industries in which it is necessary to comply with certain hygiene rules.
  • the rotary vane vacuum pump according to the invention is characterized in that all of its surfaces visible from the top are arranged so that they are devoid of elements capable of retaining liquids or solids.
  • Such surfaces which are necessarily exterior, can be formed by cooling fins and they are located on the upper half of the vacuum pump, since the surfaces located on the lower half of the vacuum pump cannot, in Due to gravity, retain a liquid or a solid.
  • the adjectives “upper” and “lower” used in the present text (and this both in the description and in the claims) refer to the normal position of the pump when it is in operation. operating or ready to operate.
  • the pump can also, at least in part, be provided with means for protecting the upper surface.
  • These protection means must also be devoid of hollows, for example grooves, located on the upper half of the vacuum pump and inside which liquids or solids could stagnate.
  • figure 1 represents a rotary vane vacuum pump according to the prior art.
  • This pump comprises in particular a drive motor, in this case an asynchronous motor which is air-cooled.
  • asynchronous motor which is air-cooled.
  • This motor is coupled to a pumping chamber 2, with a view to driving the rotor of the latter in rotation, so that the pump can fulfill its pumping function.
  • An intermediate cylinder V2 connects the drive motor to the pumping chamber 2 and it normally contains the connection elements between the drive motor and the pumping chamber 2.
  • This pumping chamber 2 is known per se, it generally comprises a rotor which is housed in a cylindrical bore and which carries vanes.
  • the pumping chamber 2 can be supplied with oil, that is to say that an oil circulation system is then provided for lubricating, sealing and allowing heat exchange.
  • This oil is separated from the gases pumped in an oil mist separator (not shown in the figure), so that the air leaving through outlet 3 can be freed from the oil it contains before being pushed back into the atmosphere.
  • the pumping chamber 2 is also connected to a heat exchanger V1 with an integrated fan (not shown) which serves to cool the pumping chamber 2 which heats up during operation of the pump.
  • the drive motor 1 and the pumping chamber 2 are preferably removably connected, which allows one or the other to be replaced in the event of failure.
  • the pumping chamber 2 and the drive motor 1 have on their peripheries cooling fins 5. It is mainly these fins which make this pump according to the prior art may not be suitable for use in a field requiring compliance with certain rules of hygiene and ease of cleaning on site, because, as explained above, the fins can retain liquids or solids.
  • the first embodiment of which can be seen by referring to the figure 2 provision has been made for all the upper surfaces of the pump, and therefore all the surfaces visible from the top, to be arranged in such a way that they are devoid of elements liable to retain liquids or solids.
  • the upper surface of a part of the pump (in particular the part of the pumping chamber 2) comprises only the smooth surfaces. These surfaces therefore do not include elements capable of retaining liquids or solids so as to allow a natural flow of any liquid or natural sliding of any solid which could fall on the pump.
  • the figure 2 shows at the same time the other possibility for achieving the distinctive characteristic of the present invention, therefore the means of protection 6 which are comparable to a cover, that is to say they have substantially the shape of a half. cylinder covering in this case the upper part of the drive motor 1.
  • the protection means 6 would be positioned in another part of the pump , e.g. on the pumping chamber 2.
  • the half-cylinder 6 has a shape which is obviously adapted to the drive motor 1, for example by including a cutout allowing the electrical box 7 to protrude.
  • the half-cylinder 6 covers only the upper fins 5 of the drive motor, the lower fins 16 then appearing in the lower part of the drive motor 1.
  • the half-cylinder 6 is removable, which has the advantage that it is easily possible to access the drive motor 1 in the case of inspection and thorough cleaning.
  • top surfaces include those designated on the figure 2 by reference numbers 8, 9, 10 and 11 for pumping chamber 2 and by reference numbers 12 and 15 for drive motor 1.
  • the inclination of the surfaces concerned is preferably at least 5 degrees relative to the ground, when the supports 13 and 14 rest on the ground.
  • the oil mist separator prefferably, provision is also made for the oil mist separator to include a support block common to the filter and to the heat exchanger for the oil, which makes it compact, accessible and easily cleanable.
  • a second embodiment of the invention is shown in the figures 3 to 7 .
  • the rotary vane vacuum pump has a pumping chamber 2 which may be like that of figures 1 and 2 and which is connected to a drive motor 17.
  • a pumping chamber 2 which may be like that of figures 1 and 2 and which is connected to a drive motor 17.
  • This has the particularity of comprising a double envelope having an external part formed of a cylinder 18, visible on the figure 3 , all or almost all of which is smooth on the outside.
  • the internal part of this double jacket which is in fact the motor housing not visible on the figure 3 , contains in known manner, the usual components of a rotary vane vacuum pump motor, which may be an asynchronous motor.
  • the outer surface of cylinder 18 is smooth, unlike the first embodiment where the outer surface (cf. figure 2 ) is generally provided with cooling fins 16.
  • the cylinder 18 is spaced from the casing (smooth or not) so as to form a space in which a cooling fluid such as a liquid, in particular water, can circulate, entering and leaving through the orifices 19 and 20 .
  • a cooling fluid such as a liquid, in particular water
  • the advantage of water cooling is that it allows the extraction of the heat generated by the drive motor 17, without having to resort to the fins 16 (of the figure 2 ), whose surface allows the exchange of heat with air.
  • the cylinder 18 is blind, that is to say closed at its free end, which facilitates cleaning of the pump.
  • the cylinder 18 is not removable because it is fixed to the housing of the drive motor 17.
  • the cylinder 18 is also removable.
  • this separator comprises a support block common to the filter and to the heat exchanger for the oil 25, which makes it compact, accessible and easily cleanable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary Pumps (AREA)

Claims (8)

  1. Drehschiebervakuumpumpe, umfassend einen Antriebsmotor (1, 17), welcher mit einer Flügelzellenvakuumpumpenkammer (2) zusammenwirkt, wobei alle Flächen, die an der oberen Hälfte der Pumpe vorgesehen sind, derart angeordnet sind, dass sie frei von Elementen sind, welche geeignet sind Flüssigkeiten oder Feststoffe zurückzuhalten, so dass:
    - entweder die Pumpe, zumindest an einem Teil, mit entfernbaren Schutzmitteln (6) versehen ist, welche Oberflächen oder Vertiefungen frei von Flüssigkeiten oder Feststoffen halten;
    - oder der Antriebsmotor (17) ein Doppelgehäuse mit einem Aussenteil umfasst, gebildet von einem Zylinder (18) und ein wassergekühlter Asynchronmotor mit einem Gehäuse ist, welches mit dem Zylinder (18) einen Raum bildet, in dem eine Kühlflüssigkeit zirkulieren kann;
    dadurch gekennzeichnet, dass alle oberen Flächen des Antriebsmotors (1, 17) und/oder der Pumpenkammer (2) nach unten geneigt sind.
  2. Drehschiebervakuumpumpe nach Anspruch 1, wobei die Schutzmittel im Wesentlichen die Form eines Halbzylinders (6) haben, zumindest einen oberen Teil der Pumpe bedeckend.
  3. Drehschiebervakuumpumpe nach einem der Ansprüche 1 oder 2, wobei die Schutzmittel (6) nur an dem Antriebsmotor (1) angeordnet sind.
  4. Drehschiebervakuumpumpe nach einem der vorhergehenden Ansprüche, wobei der Antriebsmotor (1) ein luftgekühlter Asynchronmotor ist.
  5. Drehschiebervakuumpumpe nach einem der vorhergehenden Ansprüche, wobei der Zylinder (18) ein Blindzylinder ist.
  6. Drehschiebervakuumpumpe nach einem der vorhergehenden Ansprüche, wobei die Flügel mit Öl geschmiert sind.
  7. Drehschiebervakuumpumpe nach dem vorhergehenden Anspruch, wobei die Pumpkammer (2) mit einem Ölnebel-Abscheider (24) verbunden ist.
  8. Drehschiebervakuumpumpe nach dem vorhergehenden Anspruch, wobei der Ölnebel-Abscheider (24) einen gemeinsamen Trägerblock (25) für den Filter und den Wärmetauscher für das Öl umfasst.
EP13718174.9A 2013-04-19 2013-04-19 Drehflügelvakuumpumpe Active EP2986821B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13718174T PL2986821T3 (pl) 2013-04-19 2013-04-19 Obrotowa łopatkowa pompa próżniowa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2013/058182 WO2014169962A1 (fr) 2013-04-19 2013-04-19 Pompe à vide rotative à palettes

Publications (2)

Publication Number Publication Date
EP2986821A1 EP2986821A1 (de) 2016-02-24
EP2986821B1 true EP2986821B1 (de) 2020-12-30

Family

ID=48170468

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13718174.9A Active EP2986821B1 (de) 2013-04-19 2013-04-19 Drehflügelvakuumpumpe

Country Status (15)

Country Link
EP (1) EP2986821B1 (de)
JP (1) JP2016519243A (de)
KR (1) KR102035838B1 (de)
CN (1) CN105121784A (de)
AU (1) AU2013387156B2 (de)
BR (1) BR112015026027B1 (de)
CA (1) CA2907899C (de)
DK (1) DK2986821T3 (de)
ES (1) ES2854989T3 (de)
HK (1) HK1214325A1 (de)
PL (1) PL2986821T3 (de)
PT (1) PT2986821T (de)
RU (1) RU2641409C2 (de)
TW (1) TWI660128B (de)
WO (1) WO2014169962A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101868915B1 (ko) 2017-02-13 2018-06-19 허준영 진공펌프 수분제거 시스템의 트랩장치
KR101868914B1 (ko) 2017-02-13 2018-06-20 허준영 진공펌프 수분제거 시스템
DE102019105695A1 (de) * 2019-03-06 2020-09-10 Gebr. Becker Gmbh Ölgeschmierte Drehschieber-Vakuumpumpe
CN112360780B (zh) * 2020-11-10 2022-05-24 珠海创烨科技有限公司 陶瓷真空泵

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100183467A1 (en) * 2009-01-22 2010-07-22 Sundheim Gregory S Portable, rotary vane vacuum pump with automatic vacuum breaking arrangement

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588358A (en) * 1984-07-02 1986-05-13 Werner Rietschle Maschinen-Und Apparatebau Gmbh Rotary vane evacuating pump
JPS62228691A (ja) * 1986-03-15 1987-10-07 Anretsuto:Kk ル−ツ形真空ポンプ
JPH07243585A (ja) * 1994-03-09 1995-09-19 Mitsubishi Materials Corp 配管カバー
EP0989658A1 (de) * 1998-09-28 2000-03-29 The Swatch Group Management Services AG Flussigkeitsgekühlter elektrischen Asynchronmaschine
RU2201532C2 (ru) * 2001-03-11 2003-03-27 Азово-Черноморская государственная агроинженерная академия Ротационный пластинчатый вакуумный насос
CN2528974Y (zh) * 2001-12-06 2003-01-01 方国珍 一种水环式真空泵
JP4149975B2 (ja) * 2004-08-30 2008-09-17 株式会社コロナ 貯湯式給湯装置
DE102006058840B4 (de) * 2006-12-13 2021-01-14 Pfeiffer Vacuum Gmbh Vakuumpumpe
CN201190665Y (zh) * 2008-05-22 2009-02-04 南京德功机械设备有限公司 一种低真空、大抽气量挤奶专用真空泵
PL2649277T3 (pl) * 2010-12-10 2017-07-31 Ateliers Busch S.A. Pompa próżniowa stosowana w maszynach do pakowania próżniowego

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100183467A1 (en) * 2009-01-22 2010-07-22 Sundheim Gregory S Portable, rotary vane vacuum pump with automatic vacuum breaking arrangement

Also Published As

Publication number Publication date
AU2013387156A1 (en) 2015-11-12
KR102035838B1 (ko) 2019-10-23
CN105121784A (zh) 2015-12-02
HK1214325A1 (zh) 2016-07-22
AU2013387156B2 (en) 2017-06-29
DK2986821T3 (da) 2021-02-15
TWI660128B (zh) 2019-05-21
PT2986821T (pt) 2021-02-10
RU2641409C2 (ru) 2018-01-17
PL2986821T3 (pl) 2021-07-26
RU2015149295A (ru) 2017-05-24
KR20160002963A (ko) 2016-01-08
CA2907899C (fr) 2020-01-14
BR112015026027A2 (pt) 2017-07-25
WO2014169962A1 (fr) 2014-10-23
CA2907899A1 (fr) 2014-10-23
TW201510372A (zh) 2015-03-16
EP2986821A1 (de) 2016-02-24
JP2016519243A (ja) 2016-06-30
BR112015026027B1 (pt) 2022-09-27
ES2854989T3 (es) 2021-09-23

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