WO2011134448A2 - Vakuumpumpe - Google Patents
Vakuumpumpe Download PDFInfo
- Publication number
- WO2011134448A2 WO2011134448A2 PCT/DE2011/000387 DE2011000387W WO2011134448A2 WO 2011134448 A2 WO2011134448 A2 WO 2011134448A2 DE 2011000387 W DE2011000387 W DE 2011000387W WO 2011134448 A2 WO2011134448 A2 WO 2011134448A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vacuum pump
- housing
- metal layers
- sheet material
- sheet metal
- Prior art date
Links
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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0021—Systems for the equilibration of forces acting on the pump
- F04C29/0035—Equalization of pressure pulses
-
- 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
- F04C29/06—Silencing
- F04C29/065—Noise dampening volumes, e.g. muffler chambers
-
- 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
- F04C29/06—Silencing
- F04C29/068—Silencing the silencing means being arranged inside the pump housing
-
- 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
-
- 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
- F04C2230/00—Manufacture
- F04C2230/90—Improving properties of machine parts
-
- 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
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/12—Vibration
Definitions
- the invention relates to a vacuum pump with a pump housing.
- Vacuum pumps as disclosed, for example, in International Publication WO 2004/074687 A2, are used in motor vehicles, for example, to generate a negative pressure in a brake booster designed as a suction air booster.
- the object of the invention is to reduce an undesirable noise during operation of a vacuum pump with a pump housing.
- the object is achieved in a vacuum pump with a pump housing in that at least one pump housing part is formed from a sandwich sheet material with two metal layers, between which a plastic layer is arranged, through which the sheet metal layers are vibrationally decoupled from each other.
- a vacuum pump with a pump housing in that at least one pump housing part is formed from a sandwich sheet material with two metal layers, between which a plastic layer is arranged, through which the sheet metal layers are vibrationally decoupled from each other.
- an unwanted noise emission can be reduced. Unwanted operating noise is damped.
- the sheet metal layers are preferably represented by sheets, which are connected by the plastic layer cohesively.
- a preferred embodiment of the vacuum pump is characterized in that a pump housing cover is formed from the sandwich sheet material.
- the pump housing cover is a flat, flat sheet metal part.
- An associated pump housing body may be formed of cast aluminum material, optionally of plastic material.
- a pump housing pot is formed from the sandwich sheet material.
- the pump housing pot is fastened, for example, with an angled peripheral edge to a pump housing flange, which is formed, for example, from cast aluminum material, optionally from plastic material.
- a further preferred embodiment of the vacuum pump is characterized in that a muffler of the pump housing is formed from the sandwich sheet material.
- the muffler belongs to the pump housing of the vacuum pump and, in addition to the soundproofing, preferably serves to cover a valve device which is attached to the pump housing, in particular to a cover of the pump housing.
- a further preferred embodiment of the vacuum pump is characterized in that a silencer pot of the silencer is formed from the sandwich sheet material.
- the silencer pot is designed in the same way or similar with respect to the sandwich sheet material as one or the above-described housing pot of the vacuum pump.
- the silencer pot is, for example, like the pump housing pot, equipped with an angled peripheral edge. The angled peripheral edge serves, for example, to attach the silencer pot to the cover of the pump housing.
- the plastic layer has a thickness of 10 to 100 micrometers.
- the plastic layer preferably has a thickness of about 70 microns.
- the thickness of the plastic layer is preferably chosen so that a sufficient biasing force is maintained to hold the housing parts pressure-tight.
- the thickness of the plastic layer is designed to take into account that when applying the biasing force no plastic material is squeezed between the metal layers.
- a further preferred embodiment of the vacuum pump is characterized in that the sheet metal layers each have a thickness of 0.5 to 1, 5 millimeters.
- the sheet-metal layers particularly preferably each have a thickness of 0.7 to 1.3 millimeters. If the pump housing cover is formed from the sandwich sheet material, then the sheet metal layers preferably have a thickness of about 1.25 millimeters. When the pump housing pot is formed from the sandwich sheet material, it is preferable that the sheet layers each have a thickness of about 0.9 millimeter.
- the thickness of the sheet metal layers is preferably selected such that the housing part formed from the sandwich sheet material has sufficient rigidity but is not too heavy.
- a further preferred embodiment of the vacuum pump is characterized in that the plastic layer is formed from an elastomeric plastic material.
- the elastomeric plastic material preferably has viscoelastic properties.
- a further preferred embodiment of the vacuum pump is characterized in that no plastic layer is arranged between the two sheet metal layers in the region of screw through holes in the sandwich sheet material.
- an annular disk-shaped area around the respective screw through-hole can be recessed in the plastic layer. This ensures that the two metal layers are directly adjacent to each other in the area of the screw through holes. This prevents the biasing force, which is applied by a screw connection on the sandwich sheet material is reduced by the plastic layer.
- a further preferred exemplary embodiment of the vacuum pump is characterized in that the two sheet-metal layers are connected to one another in an outer circumferential edge region of the sandwich sheet material in a material-locking and / or force-locking and / or form-fitting manner in order to prevent undesired spreading of the sandwich sheet material.
- the two sheet metal layers are preferably interconnected at several points on the outer circumference of the sandwich sheet material.
- a further preferred exemplary embodiment of the vacuum pump is characterized in that the two sheet-metal layers are adhesively bonded, caulked, embossed and / or latched in the outer peripheral edge region. Particularly preferably, the two sheet-metal layers in the outer peripheral edge region by force-forming and positively connected with each other. The two sheet metal layers are preferably wedged together by caulking inseparable. During staking, the two sheet metal layers are plastically deformed.
- a further preferred embodiment of the vacuum pump is characterized in that the vacuum pump is designed as a positive displacement pump with at least one displacement body, in particular as a vane pump with at least one vane and a rotor. The structure and function of a vane pump are described, for example, in International Publication WO 2004/074687 A2. The vacuum pump is preferably designed as a monoerielpumpe with only one wing.
- FIGS. 1 to 3 a vacuum pump according to a first embodiment in different views
- Figure 4 is a sectional view taken along the line IV-IV in Figure 2;
- FIG. 5 shows an enlarged detail V from FIG. 4;
- FIGS. 6 to 9 a vacuum pump according to a second embodiment in different views
- FIG. 13 is an exploded view of the vacuum pump of FIG. 12.
- FIGS. 1 to 3 show a vacuum pump 1 with a pump housing 2 in different views.
- the pump housing 2 comprises a housing pot 4, which is screwed to a cover-like housing flange 5.
- a suction port is integrated, via which a working medium, such as air, is sucked into a working space in the interior of the pump housing 2 when the vacuum pump 1 is driven.
- the vacuum pump 1 is preferably designed as a monoerielpumpe with a wing which is driven by a rotor.
- the wing is slidably guided in a wing receiving slot of the rotor within a circulation contour.
- FIG 4 the view of a section along the line IV-IV in Figure 2 is shown enlarged.
- the housing pot 4 is fixed with an angled peripheral edge 8 with the interposition of a seal 9 by means of a screw 10 to the housing flange 5.
- the screw 10 is screwed into a Flanschdom 12, which is integrally connected to the housing flange 5.
- the housing pot 4 is formed from a sandwich sheet material with two sheet metal layers 21, 22, between which a plastic layer 25 is arranged.
- the sheet metal layer 21 is arranged inside and is therefore also referred to as the inner sheet metal layer 21.
- the externally arranged sheet metal layer 22 is also referred to as outer sheet metal layer 22.
- the plastic layer 25 is formed from a viscoelastic plastic material, in particular an elastomeric plastic material.
- the inner sheet metal layer 21 has a thickness 31 of 0.9 millimeters.
- Sheet metal layer 22 has a thickness 32 of also 0.9 millimeters.
- the plastic layer 25 has a thickness 35 of 0.07 millimeters.
- FIG. 5 shows a detail V of FIG. 4 enlarged.
- the two sheet metal layers 21, 22 are caulked in an outer circumferential edge region 38.
- plastic deformation As caulking in the manufacture of a non-positive and positive connection between two individual workpieces by called plastic deformation. This deformation of the edge region takes place in such a way that the sheet metal layers 21, 22 wedge indissolubly into one another. When caulking, the two metal layers 21, 22 are plastically deformed.
- FIGS. 6 to 9 show a similar vacuum pump 41 as in FIG. 1 with a pump housing 42 in different views.
- the pump housing 42 comprises, in contrast to the previous embodiment, a pot-like housing body 44, with which a housing cover 45 is screwed. At least one suction port is integrated in the pot-like housing body 44.
- the housing cover 45 is formed from a sandwich sheet material having an inner sheet metal layer 61 and an outer sheet metal layer 62. Between the two metal layers 61, 62, a plastic layer 65 is arranged.
- the inner sheet metal layer 61 has a thickness 71 of 1, 25 millimeters.
- the outer sheet metal layer 62 has a thickness 72 of also 1.25 millimeters.
- the plastic layer 65 has a thickness 75 of 0.07 millimeters.
- FIG. 11 shows a detail 11 of FIG. 10 enlarged.
- the two sheet-metal layers 61, 62 are connected to each other in a force-locking and form-fitting manner in an outer peripheral edge region 78 by caulking.
- the two metal layers 61, 62 are caulked in the same way as in the previous embodiment at several points of the circumference of the housing cover 45 to prevent unwanted spreading of the metal layers 61, 62 during operation of the vacuum pump 41.
- FIGS. 12 and 13 show a perspective view of a vacuum pump 81 with a pump housing 82.
- the pump housing 82 comprises a housing flange 84, a housing base body 85 and a housing cover 86.
- the housing body 85 is arranged between the housing flange 84 and the housing cover 86.
- the housing base body 85 is equipped with a Hubkontur inside and ribs on the outside. Between the housing base body 85 and the housing flange 84 or the housing cover 86, a respective seal 87 or 88 is arranged.
- a rotor 90 is rotatably arranged.
- the rotor 90 is used for substantially radially displaceable recording of a total of five wings 92.
- the rotor 90 is drivingly connected via a clutch 94 rotatably connected to one end 97 of a drive shaft 98.
- the drive shaft 98 is based on a drive motor 100, which is designed as an electric motor.
- valve device 105 On the side facing away from the rotor 90 of the housing cover 86, a valve device 105 is attached.
- the valve device 105 comprises two valve cartridges 106 which are fastened to the housing cover 86 with the aid of a valve holder 108 and a valve screw 109.
- the pump housing 82 includes a muffler 120, which by means of
- the muffler 120 includes a muffler pot 121 that surrounds the valve assembly 105 with the valve cartridges 106. At the silencer pot 121, a suction nozzle 125 is attached. The suction nozzle 125 has at its free end a connecting piece 126 which serves to connect a suction line.
- the muffler pot 121 is formed according to a further aspect of the invention from the same sandwich sheet material as the housing pot 4 in the embodiment shown in Figures 1 to 5.
- the sandwich sheet material from which the silencer pot 121 is formed comprises two sheet metal layers, between which a plastic layer is arranged. Regarding the design and arrangement of Sheet metal layers and the plastic layer is referred to the preceding description of Figures 4 and 5.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112011101434T DE112011101434A5 (de) | 2010-04-26 | 2011-04-08 | Vakuumpumpe |
EP11722293A EP2564026A2 (de) | 2010-04-26 | 2011-04-08 | Vakuumpumpe |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010018184 | 2010-04-26 | ||
DE102010018184.6 | 2010-04-26 | ||
DE102010060673 | 2010-11-19 | ||
DE102010060673.1 | 2010-11-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011134448A2 true WO2011134448A2 (de) | 2011-11-03 |
WO2011134448A3 WO2011134448A3 (de) | 2013-03-07 |
Family
ID=44116187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2011/000387 WO2011134448A2 (de) | 2010-04-26 | 2011-04-08 | Vakuumpumpe |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2564026A2 (de) |
DE (1) | DE112011101434A5 (de) |
WO (1) | WO2011134448A2 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014075660A2 (de) | 2012-11-19 | 2014-05-22 | Ixetic Bad Homburg Gmbh | Kraftfahrzeug-vakuumpumpe |
WO2014075658A2 (de) | 2012-11-19 | 2014-05-22 | Ixetic Bad Homburg Gmbh | Kraftfahrzeug-vakuumpumpe |
WO2014086338A1 (de) | 2012-12-04 | 2014-06-12 | Ixetic Bad Homburg Gmbh | Elektromotorisch angetriebene kraftfahrzeug-vakuumpumpe und antriebswelle für eine kraftfahrzeug-vakuumpumpe |
WO2014094731A2 (de) | 2012-12-18 | 2014-06-26 | Ixetic Bad Homburg Gmbh | Axiale gehäuseanlauffläche |
DE102014207023B3 (de) * | 2014-04-11 | 2015-07-30 | Magna Powertrain Hückeswagen GmbH | Kraftfahrzeug-Vakuumpumpe mit Verklebung |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004074687A2 (de) | 2003-02-20 | 2004-09-02 | Luk Automobiltechnik Gmbh & Co. Kg | Vakuumpumpe mit einem kunststoffflügel |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03189387A (ja) * | 1989-12-18 | 1991-08-19 | Sanyo Electric Co Ltd | 密閉型圧縮機の密閉ケース |
JPH0419373A (ja) * | 1990-05-14 | 1992-01-23 | Toshiba Corp | 密閉型圧縮機およびその製造方法 |
ATE503931T1 (de) * | 2003-01-17 | 2011-04-15 | Ixetic Hueckeswagen Gmbh | Pumpe |
DE102006058979A1 (de) * | 2006-12-14 | 2008-06-19 | Hella Kgaa Hueck & Co. | Flügelzellenpumpe |
DE112009002099A5 (de) * | 2008-09-16 | 2011-09-29 | Ixetic Hückeswagen Gmbh | Vakuumpumpe |
-
2011
- 2011-04-08 EP EP11722293A patent/EP2564026A2/de not_active Withdrawn
- 2011-04-08 WO PCT/DE2011/000387 patent/WO2011134448A2/de active Application Filing
- 2011-04-08 DE DE112011101434T patent/DE112011101434A5/de not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004074687A2 (de) | 2003-02-20 | 2004-09-02 | Luk Automobiltechnik Gmbh & Co. Kg | Vakuumpumpe mit einem kunststoffflügel |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014075660A2 (de) | 2012-11-19 | 2014-05-22 | Ixetic Bad Homburg Gmbh | Kraftfahrzeug-vakuumpumpe |
WO2014075658A2 (de) | 2012-11-19 | 2014-05-22 | Ixetic Bad Homburg Gmbh | Kraftfahrzeug-vakuumpumpe |
WO2014075660A3 (de) * | 2012-11-19 | 2015-03-05 | Magna Powertrain Bad Homburg GmbH | Kraftfahrzeug-vakuumpumpe |
CN104813032A (zh) * | 2012-11-19 | 2015-07-29 | 麦格纳动力系巴德霍姆堡有限责任公司 | 机动车真空泵 |
US9845681B2 (en) | 2012-11-19 | 2017-12-19 | Magna Powertrain Bad Homburg GmbH | Vacuum pump for a motor vehicle |
WO2014086338A1 (de) | 2012-12-04 | 2014-06-12 | Ixetic Bad Homburg Gmbh | Elektromotorisch angetriebene kraftfahrzeug-vakuumpumpe und antriebswelle für eine kraftfahrzeug-vakuumpumpe |
US10288067B2 (en) | 2012-12-04 | 2019-05-14 | Magna Powertrain Bad Homburg GmbH | Electric motor-driven motor-vehicle vacuum pump, and drive shaft for a motor vehicle vacuum pump |
DE112013005784B4 (de) * | 2012-12-04 | 2020-06-10 | Hanon Systems Efp Deutschland Gmbh | Elektromotorisch angetriebene Kraftfahrzeug-Vakuumpumpe und Antriebswelle für eine Kraftfahrzeug-Vakuumpumpe |
WO2014094731A2 (de) | 2012-12-18 | 2014-06-26 | Ixetic Bad Homburg Gmbh | Axiale gehäuseanlauffläche |
DE102014207023B3 (de) * | 2014-04-11 | 2015-07-30 | Magna Powertrain Hückeswagen GmbH | Kraftfahrzeug-Vakuumpumpe mit Verklebung |
CN106170629A (zh) * | 2014-04-11 | 2016-11-30 | 麦格纳动力系许克斯瓦根有限责任公司 | 具有粘接剂的机动车真空泵 |
US10094383B2 (en) | 2014-04-11 | 2018-10-09 | Magna Powertrain Bad Homburg GmbH | Motor vehicle vacuum pump having an adhesive |
Also Published As
Publication number | Publication date |
---|---|
DE112011101434A5 (de) | 2013-03-28 |
WO2011134448A3 (de) | 2013-03-07 |
EP2564026A2 (de) | 2013-03-06 |
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