EP1108892A2 - Flügelzellenvakuumpumpe - Google Patents
Flügelzellenvakuumpumpe Download PDFInfo
- Publication number
- EP1108892A2 EP1108892A2 EP00125863A EP00125863A EP1108892A2 EP 1108892 A2 EP1108892 A2 EP 1108892A2 EP 00125863 A EP00125863 A EP 00125863A EP 00125863 A EP00125863 A EP 00125863A EP 1108892 A2 EP1108892 A2 EP 1108892A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- drive shaft
- lubricating oil
- section
- supply line
- 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
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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/28—Safety arrangements; Monitoring
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/028—Means for improving or restricting lubricant flow
Definitions
- the invention relates to a vacuum pump, in particular a vane vacuum pump, with one opening into the pump interior and one Pump drive shaft at least partially traversing sections Lube oil supply line, as well as with the pump interior with the Ventilation duct connecting the atmosphere.
- a vacuum pump in particular a vane vacuum pump
- Pump drive shaft at least partially traversing sections Lube oil supply line, as well as with the pump interior with the Ventilation duct connecting the atmosphere.
- a vacuum pump or vacuum pump according to the preamble of the claim 1 can, for example, on the cylinder head of an internal combustion engine are flanged and - driven by the engine camshaft - That for an auxiliary unit of the internal combustion engine or for a Motor vehicle driven by the internal combustion engine required negative pressure produce.
- a vacuum pump used for this purpose should both through a simple design and through maximum reliability award.
- the interior of the pump is preferably a throttled, i.e. suitably dimensioned lubricating oil supply line with the Lubricating oil system of the internal combustion engine connected, also with regard on a simple design this lubricating oil supply line (preferably in Shape of a channel) the pump drive shaft at least partially traverses.
- the object of the present invention is to provide a remedial measure for these problems.
- the solution to this problem is characterized in that the ventilation channel opens into the section of the lubricating oil supply line which at least partially crosses the pump drive shaft and which, in the course of a complete revolution of the pump drive shaft, only extends over an angular segment region with the pump housing surrounding the pump drive shaft and section of the lubricating oil supply line opening into the pump interior comes to cover.
- Advantageous training forms the content of the subclaims.
- the section of the lubricating oil supply line that crosses the pump drive shaft completely or at least partially, i.e. is substantially perpendicular to their axis of rotation, while a complete revolution of the pump drive shaft is not continuous with the or those running outside the pump drive shaft Sections of the lubricating oil supply line connected, but only over a certain angular segment, for example 45 angular degrees.
- the lubricating oil supply line has no relation to the axis of rotation of the Have pump drive shaft completely circumferential section.
- the drive shaft comes at least partially traversing section of the supply line opening ventilation duct to effect; i.e. via this ventilation duct connected to the atmosphere the vacuum inside the pump is released, so that too then almost no lubricating oil is sucked in.
- Figure 1 shows a partial longitudinal section through an internal combustion engine cylinder head with a flange-mounted vacuum pump according to the invention, while Figure 2 shows the section CC of Figure 1.
- the reference number 1 is in an internal combustion engine cylinder head 2 called running lubricating oil channel, through which u.a. also one at the Front of this cylinder head 2 flanged vane vacuum pump 3 is supplied with lubricating oil.
- This vacuum pump, not shown in detail 3 is of the cylinder head 2, which is also not shown in detail mounted camshaft 4 of the internal combustion engine and is used for Generation of negative pressure for one or more auxiliary units of a motor vehicle, which is driven by this internal combustion engine.
- the pump interior 3a in which the negative pressure is built up is, in a suitable manner, not shown, with the said Auxiliary unit (s) connected.
- a pump drive shaft 3b via the the rotor, not shown, is driven in the pump interior 3a.
- a plug-in coupling 5 with the camshaft 4 non-rotatably connected is crossed.
- the pump drive shaft 3b from a section 6a of a lubricating oil supply line 6, Via which the already mentioned rotor or the pump interior 3a from Lubricating oil channel 1 is supplied with lubricating oil.
- Lubricating oil supply line Over a section 6b of those designated in their entirety with reference number 6 Lubricating oil supply line is section 6a for this purpose with the lubricating oil channel 1, while a portion 6c of the lubricating oil supply line 6 in Pump interior 3a opens.
- the section 6a of the lubricating oil supply line 6 runs essentially perpendicular to the (common) axis of rotation 7 of both the drive shaft 3b and the camshaft 4. As FIG. 2 shows, this section 6a essentially crosses the drive shaft 3b .
- This pump drive shaft 3b is surrounded by the pump housing designated by reference number 3c, in which the two further sections 6b and 6c of the lubricating oil supply line 6 also run.
- the sections 6b and 6c of the lubricating oil supply line 6 located in the pump housing 3c can be widened when viewed in the circumferential direction of the drive shaft 3b, as can be seen for section 6c from FIG .
- This design has the result that the section 6a of the feed line 6 when the drive shaft 3b rotates about the axis of rotation 7 according to the direction of arrow 8 with the section (s) 6c (6b) of the feed channel 6 for a sufficiently long period of time, ie over a sufficiently large angular segment area is covered, in which case - namely in the position of the drive shaft 3b or the section 6a shown in the figure - lubricating oil can get into the pump interior 3a.
- the size of the said angular segment is matched with regard to the amount of lubricating oil required in the vacuum pump.
- the leading edge of the cooperating with the section 6a Sections 6b, 6c with regard to minimized vibration excitation be optimized.
- Appropriately designed leading edges, i.e. Infeed areas in the form of Grooves or the like in each case in the transition area between the relative to each other Moving sections of the lubricating oil supply line 6 can be such Prevent vibration excitation.
- the grooves mentioned can, for example. be cast in or machined, alternatively also embossed or be knocked in or rolled up.
- section 6a is now, for example, in the latter position when the internal combustion engine is switched off, namely lying like the plug-in coupling 5 shown in FIG . 2, this condition is fulfilled since there is no connection between sections 6b and 6c and section 6a , so that inevitably no lubricating oil can be sucked from the lubricating oil channel 1 into the pump interior 3a. If, on the other hand, the drive shaft 3b assumes the position shown in FIGS. 1, 2 when the internal combustion engine is switched off, an undesirably large amount of lubricating oil from the lubricating oil channel 1 via the sections 6b, 6a and 6c of the lubricating oil supply line 6 could well enter the pump interior 3a are sucked.
- Ventilation channel 9 is provided, via which the pump interior 3a is then connected to the atmosphere.
- This Ventilation channel 9, which is shown in various designs, opens with its first end always in the pump drive shaft 3b at least partially traversing section 6a of the lubricating oil supply line 6, and opens with its second end in the interior 2a of the engine cylinder head 2, in which essentially ambient pressure, i.e. There is atmospheric pressure. So if the section 6a of the lubricating oil supply line 6 with the engine at a standstill in the figurative position shown, the pump interior 3a can via the Sections 6b and 6a of the lubricating oil supply channel 6 and via the ventilation channel 9 with air from the cylinder head interior 2a (and thus with air from the atmosphere). This will initially Pump interior 3a existing vacuum reduced, so that as desired no lubricating oil through section 6b of the lubricating oil supply line be sucked out of the lubricating oil channel 1 into the pump interior 3a can.
- Vacuum pump 3 in that in cases where ventilation of the pump interior 3a is required, namely when the pump is at a standstill Drive shaft 3b of the feed line section 6a the figured Takes position, this ventilation is easy and safe.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
Abstract
Description
Die Lösung dieser Aufgabe ist dadurch gekennzeichnet, daß der Belüftungskanal im die Pumpen-Antriebswelle zumindest teilweise durchquerenden Abschnitt Schmieröl-Zufuhrleitung mündet, der im Laufe einer vollständigen Umdrehung der Pumpen-Antriebswelle lediglich über einen Winkelsegmentbereich mit dem im die Pumpen-Antriebswelle umgebenden Pumpengehäuse verlaufenden und im Pumpeninnenraum mündenden Abschnitt der Schmieröl-Zufuhrleitung zur Deckung kommt. Vorteilhafte Ausbildungen sind Inhalt der Unteransprüche.
- 1
- Schmierölkanal (in 2)
- 2
- Brennkraftmachinen-Zylinderkopf
- 2a
- Innenraum von 2
- 3
- Flügelzellen-Vakuumpumpe
- 3a
- Pumpeninnenraum
- 3b
- Pumpen-Antriebswelle
- 3c
- Pumpengehäuse
- 4
- Nockenwelle
- 5
- Steckkupplung
- 6
- Schmieröl-Zufuhrleitunq
- 6a
- Abschnitt von 6, die Antriebswelle 3 durchauerend
- 6b,c
- Abschnitt(e) von 6
- 7
- Rotationsachse (von 3b und 4)
- 8
- Pfeilrichtung: Rotation von 3b
- 9
- Belüftungskanal
Claims (3)
- Vakuumpumpe, insbesondere Flügelzellenvakuumpumpe, mit einer im Pumpeninnenraum (3a) mündenden und dabei eine Pumpen-Antriebswelle (3b) abschnittsweise zumindest teilweise durchquerenden Schmieröl-Zufuhrleitung (6), sowie mit einem den PumpenInnenraum (3a) mit der Atmosphäre verbindenden Belüftungskanal (9),
dadurch gekennzeichnet, daß der Belüftungskanal (9) im die Pumpen-Antriebswelle (3b) zumindest teilweise durchquerenden Abschnitt (6a) der Schmieröl-Zufuhrleitung (6) mündet, der im Laufe einer vollständigen Umdrehung der Pumpen-Antriebswelle (3b) lediglich über einen Winkelsegmentbereich mit dem im die Pumpen-Antriebswelle (3b) umgebenden Pumpengehäuse (3c) verlaufenden und im Pumpeninnenraum (3a) mündenden Abschnitt (6c) der Schmieröl-Zufuhrleitung zur Deckung kommt. - Vakuumpumpe nach Anspruch 1,
dadurch gekennzeichnet, daß der Belüftungskanal (9) als eine in die Oberfläche der Pumpen-Antriebswelle (3b) eingebrachte, im wesentlichen in Richtung von deren Rotationsachse (7) verlaufende Nut oder dgl. ausgebildet ist. - Vakuumpumpe nach Anspruch 1,
dadurch gekennzeichnet, daß der Belüftungskanal (9) als eine im wesentlichen zentral in der Pumpen-Antriebswelle (3b) im wesentlichen in Richtung von deren Rotationsachse (7) verlaufende Bohrung oder dgl. ausgebildet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19961317A DE19961317C1 (de) | 1999-12-18 | 1999-12-18 | Vakuumpumpe, insbesondere Flügelzellenvakuumpumpe |
DE19961317 | 1999-12-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1108892A2 true EP1108892A2 (de) | 2001-06-20 |
EP1108892A3 EP1108892A3 (de) | 2002-04-17 |
EP1108892B1 EP1108892B1 (de) | 2004-02-04 |
Family
ID=7933328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00125863A Expired - Lifetime EP1108892B1 (de) | 1999-12-18 | 2000-11-25 | Flügelzellenvakuumpumpe |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1108892B1 (de) |
DE (2) | DE19961317C1 (de) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2815088A1 (fr) * | 2000-10-11 | 2002-04-12 | Luk Automobiltech Gmbh & Co Kg | Pompe a vide pour un servomecanisme d'entrainement dans un vehicule a moteur |
WO2005001293A1 (de) * | 2003-06-30 | 2005-01-06 | Mahle Motorkomponenten Schweiz Ag | Rotor aus sintermetall einer drehkolbenpumpe |
WO2006024872A1 (en) * | 2004-09-02 | 2006-03-09 | Wabco Automotive Uk Limited | Rotary vane vacuum pump |
WO2006122516A1 (de) | 2005-05-19 | 2006-11-23 | Ixetic Hückeswagen Gmbh | Flügelzellenpumpe |
WO2007000129A1 (de) * | 2005-06-25 | 2007-01-04 | Ixetic Hückeswagen Gmbh | Pumpe |
DE102005031718A1 (de) * | 2005-07-07 | 2007-01-18 | Leybold Vacuum Gmbh | Vakuum-Drehschieberpumpe |
EP1850007A1 (de) * | 2005-02-16 | 2007-10-31 | Taiho Kogyo Co., Ltd. | Flügelzellenpumpe |
CN102410223A (zh) * | 2010-09-09 | 2012-04-11 | 斯瓦本冶炼厂汽车股份有限公司 | 具有通风装置的真空泵 |
WO2013084100A1 (en) * | 2011-12-05 | 2013-06-13 | Vhit S.P.A. | System, pump and method of vacuum generation for applications to motor vehicles |
CN107002682A (zh) * | 2014-12-12 | 2017-08-01 | 皮尔伯格泵技术有限责任公司 | 机械式机动车真空泵 |
WO2018016235A1 (ja) * | 2016-07-21 | 2018-01-25 | 大豊工業株式会社 | ベーンポンプ |
WO2018016234A1 (ja) * | 2016-07-21 | 2018-01-25 | 大豊工業株式会社 | ベーンポンプ |
US20180050674A1 (en) * | 2015-03-25 | 2018-02-22 | Pierburg Pumptechnology Gmbh | Vacuum pump |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008007283A1 (de) | 2008-02-02 | 2009-08-06 | Bayerische Motoren Werke Aktiengesellschaft | Kraftfahrzeug-Brennkraftmaschine mit nockenwellengetriebener Pumpe |
DE102009016048B4 (de) | 2009-04-02 | 2018-05-30 | Bayerische Motoren Werke Aktiengesellschaft | Pumpe für eine Kraftfahrzeug-Brennkraftmaschine sowie Kraftfahrzeug-Brennkraftmaschine mit Pumpe |
US8449271B2 (en) * | 2010-05-17 | 2013-05-28 | GM Global Technology Operations LLC | Engine assembly including camshaft with integrated pump |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3841329C2 (de) | 1987-12-12 | 1994-12-15 | Barmag Barmer Maschf | Flügelzellenvakuumpumpe |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4025242A (en) * | 1975-10-20 | 1977-05-24 | Gca Corporation | Vacuum pump oiling |
DE2952401A1 (de) * | 1978-07-28 | 1981-06-25 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | Druckoelschmierung fuer eine vakuumpumpe, insbesondere fluegelzellenvakuumpumpe |
DE2857494A1 (de) * | 1978-07-28 | 1980-04-30 | Barmag Barmer Maschf | Druckoelschmierung fuer eine vakuumpumpe |
DE3734573C2 (de) * | 1986-10-18 | 1998-12-17 | Barmag Barmer Maschf | Flügelzellen-Vakuumpumpe |
DD256540A1 (de) * | 1986-12-30 | 1988-05-11 | Medizin Labortechnik Veb K | Druckoelschmierung fuer drehschieber-vakuumpumpen |
DE4016014C2 (de) * | 1989-06-01 | 1998-02-19 | Barmag Barmer Maschf | Flügelzellen-Vakuumpumpe |
DE3933047A1 (de) * | 1989-10-04 | 1991-04-11 | Barmag Barmer Maschf | Fluegelzellen-vakuumpumpe |
DE3929745A1 (de) * | 1989-09-07 | 1991-03-14 | Bosch Gmbh Robert | Fluegelzellenkompressor |
JPH03175189A (ja) * | 1989-12-01 | 1991-07-30 | Toyoda Mach Works Ltd | バキュームポンプ |
JPH1162864A (ja) * | 1997-08-22 | 1999-03-05 | Sanwa Seiki Co Ltd | 自動車用真空ポンプ |
-
1999
- 1999-12-18 DE DE19961317A patent/DE19961317C1/de not_active Expired - Lifetime
-
2000
- 2000-11-25 DE DE50005187T patent/DE50005187D1/de not_active Expired - Lifetime
- 2000-11-25 EP EP00125863A patent/EP1108892B1/de not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3841329C2 (de) | 1987-12-12 | 1994-12-15 | Barmag Barmer Maschf | Flügelzellenvakuumpumpe |
Cited By (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002030726A1 (de) * | 2000-10-11 | 2002-04-18 | Luk Automobilitechnik Gmbh & Co. Kg | Vakuumpumpe für einen servoantrieb in einem kraftfahrzeug |
DE10194275B4 (de) * | 2000-10-11 | 2015-09-03 | Magna Powertrain Hückeswagen GmbH | Vakuumpumpe für einen Servoantrieb in einem Kraftfahrzeug |
FR2815088A1 (fr) * | 2000-10-11 | 2002-04-12 | Luk Automobiltech Gmbh & Co Kg | Pompe a vide pour un servomecanisme d'entrainement dans un vehicule a moteur |
US7458792B2 (en) | 2003-06-30 | 2008-12-02 | Mahle Motorkomponenten Schweiz Ag | Sintered metal rotor of a rotary piston pump |
WO2005001293A1 (de) * | 2003-06-30 | 2005-01-06 | Mahle Motorkomponenten Schweiz Ag | Rotor aus sintermetall einer drehkolbenpumpe |
CN1759251B (zh) * | 2003-06-30 | 2011-06-08 | 玛勒马达零件瑞士股份公司 | 旋转活塞泵的烧结金属转子及其烧结耦合元件和制造方法 |
WO2006024872A1 (en) * | 2004-09-02 | 2006-03-09 | Wabco Automotive Uk Limited | Rotary vane vacuum pump |
EP2634431A1 (de) * | 2005-02-16 | 2013-09-04 | Taiho Kogyo Co., Ltd | Flügelzellenpumpe |
EP1850007A1 (de) * | 2005-02-16 | 2007-10-31 | Taiho Kogyo Co., Ltd. | Flügelzellenpumpe |
EP1850007A4 (de) * | 2005-02-16 | 2012-11-14 | Taiho Kogyo Co Ltd | Flügelzellenpumpe |
WO2006122516A1 (de) | 2005-05-19 | 2006-11-23 | Ixetic Hückeswagen Gmbh | Flügelzellenpumpe |
WO2007000129A1 (de) * | 2005-06-25 | 2007-01-04 | Ixetic Hückeswagen Gmbh | Pumpe |
US8469684B2 (en) | 2005-07-07 | 2013-06-25 | Oerlikon Leybold Vacuum Gmbh | Rotary vacuum pump with a discharge compensating channel |
US9017051B2 (en) | 2005-07-07 | 2015-04-28 | Oerlikon Leybold Vacuum Gmbh | Rotary vacuum pump with a discharge compensating channel |
DE102005031718A1 (de) * | 2005-07-07 | 2007-01-18 | Leybold Vacuum Gmbh | Vakuum-Drehschieberpumpe |
CN102410223A (zh) * | 2010-09-09 | 2012-04-11 | 斯瓦本冶炼厂汽车股份有限公司 | 具有通风装置的真空泵 |
CN104105882B (zh) * | 2011-12-05 | 2016-08-17 | Vhit公司 | 用于机动车辆应用的产生真空的系统、泵和方法 |
CN104105882A (zh) * | 2011-12-05 | 2014-10-15 | Vhit公司 | 用于机动车辆应用的产生真空的系统、泵和方法 |
EP2788628A1 (de) * | 2011-12-05 | 2014-10-15 | VHIT S.p.A. | System, pumpe und verfahren zur vakuumerzeugung für anwendungen von kraftfahrzeugen |
WO2013084100A1 (en) * | 2011-12-05 | 2013-06-13 | Vhit S.P.A. | System, pump and method of vacuum generation for applications to motor vehicles |
US9739269B2 (en) | 2011-12-05 | 2017-08-22 | Vhit S.P.A. | System, pump and method of vacuum generation for applications to motor vehicles |
CN107002682A (zh) * | 2014-12-12 | 2017-08-01 | 皮尔伯格泵技术有限责任公司 | 机械式机动车真空泵 |
CN107002682B (zh) * | 2014-12-12 | 2019-08-20 | 皮尔伯格泵技术有限责任公司 | 用于机动车的机械式真空泵 |
US10443599B2 (en) | 2014-12-12 | 2019-10-15 | Pierburg Pump Technology Gmbh | Mechanical vacuum pump for a motor vehicle |
US20180050674A1 (en) * | 2015-03-25 | 2018-02-22 | Pierburg Pumptechnology Gmbh | Vacuum pump |
US10696280B2 (en) * | 2015-03-25 | 2020-06-30 | Pierburg Pump Technology Gmbh | Vacuum pump with rotor shaft supported by friction bearings |
WO2018016235A1 (ja) * | 2016-07-21 | 2018-01-25 | 大豊工業株式会社 | ベーンポンプ |
WO2018016234A1 (ja) * | 2016-07-21 | 2018-01-25 | 大豊工業株式会社 | ベーンポンプ |
Also Published As
Publication number | Publication date |
---|---|
EP1108892B1 (de) | 2004-02-04 |
EP1108892A3 (de) | 2002-04-17 |
DE50005187D1 (de) | 2004-03-11 |
DE19961317C1 (de) | 2001-06-28 |
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