EP2382393A1 - Seitenkanalgebläse, insbesondere sekundärluftgebläse für eine verbrennungskraftmaschine - Google Patents
Seitenkanalgebläse, insbesondere sekundärluftgebläse für eine verbrennungskraftmaschineInfo
- Publication number
- EP2382393A1 EP2382393A1 EP10700238A EP10700238A EP2382393A1 EP 2382393 A1 EP2382393 A1 EP 2382393A1 EP 10700238 A EP10700238 A EP 10700238A EP 10700238 A EP10700238 A EP 10700238A EP 2382393 A1 EP2382393 A1 EP 2382393A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- impeller
- rotation
- outlet
- combustion engine
- internal combustion
- 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
- 238000002485 combustion reaction Methods 0.000 title claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 description 8
- 241000937413 Axia Species 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D23/00—Other rotary non-positive-displacement pumps
- F04D23/008—Regenerative pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D5/00—Pumps with circumferential or transverse flow
- F04D5/002—Regenerative pumps
- F04D5/007—Details 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
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2250/00—Geometry
- F05B2250/20—Geometry three-dimensional
- F05B2250/29—Geometry three-dimensional machined; miscellaneous
- F05B2250/292—Geometry three-dimensional machined; miscellaneous tapered
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2250/00—Geometry
- F05B2250/50—Inlet or outlet
- F05B2250/503—Inlet or outlet of regenerative pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/96—Preventing, counteracting or reducing vibration or noise
Definitions
- the invention relates to a sokanalgebiäse, in particular Sekundär Kunststoffgebiäse for an internal combustion engine with a multi-part housing in which an axial inlet, which opens into at least one substantially annular extending delivery channel via an inlet region, and an outlet, an impeller, which via a drive unit is driven, is rotatably mounted in the housing and having conveying blades, which cooperate with the opposite conveying channel and an interruption area between the inlet and the outlet, in which the at least one randomlykana! is interrupted in the circumferential direction,
- DE 100 24 741 B4 proposes a pump for conveying fluids, in which the outlet axia! is arranged to the impeller and the winningkanai opens into a Ausiassö réelle whose width is initially smaller in the direction of rotation of the impeller and then in the radially outer region has a small constant width.
- the conveyed fluid flow is still accelerated behind the outlet opening towards the breaker area, so that pressure surges occur which lead to an increased noise emission, because of the piötzüche Cross-sectional changes occur behind the interruption range for Teiivolumina the funded volume in the pockets when reaching the Stoppu ⁇ gs Kunststoffes.
- the extent of the Ausiassö réelle increases in the direction of rotation of the impeller towards the Gezzauseteii the secondary air blower, in which the inlet is formed.
- the flow vector of an eddy is simulated in the region of the outlet, whereby an additional emptying of the pockets is achieved.
- the length of the projection of the Ausiassö réelle limiting in the direction of rotation of the impeller Ausiasskante is at least as large as or greater than the distance between two blades of the impeller. This will ensure that most of the pressurized fluid is drained from the entire bag to the outlet.
- the extent of the recess in the direction of rotation of the impeller grows in the direction of the Gepatiuseteii the Sekundäriuftgebläses, in which the Einiass is formed. In this way, additional pressure pulsations are reduced because the relaxation path is increased,
- the extension of the outlet opening in the direction of rotation of the impeller axia grows! in the direction of Einiass the SekundativuftgebSäses stronger than the extent of the recess in the direction of rotation, so that an angle between the AusJasskante the outlet opening and a breaker edge is formed.
- the air flowing out when passing the recess changes the pressure of the fluid in the pocket and thus the size of the velocity vector in the circumferential direction.
- the direction of the velocity vector of the WirstreSsträhne changes, which is used here for the best possible emptying of the pockets behind the inlet opening to reduce the pressure surges,
- the housing has two axia! opposite conveyor channels, wherein the impeller blades of the impeller on both axial sides of the impeller facing the conveying channels and the extension of the outlet opening in the direction of rotation of the impeller grows axially from a peripheral ring of the impeller toward the axial ends of the bingoschaufein.
- the vortex formation of both conveyor channels or both impeller sides is taken into account in the formation of the outlet opening, in order to achieve the best possible emptying of the pockets and thus a large flow rate, the noise emissions by avoiding pressure surges on both axia! continue to sink on opposite sides of the ejection area.
- the extension of the recess increases in the direction of rotation of the impeller axially from the peripheral ring of the impeller towards the axial ends of the originallyschaufefn, whereby the relaxation of the funded fluid is used behind the outlet opening with respect to both bainäfe for noise reduction.
- Figure 1 shows a side view of a Sokanalgebiäses in a sectional view.
- FIG. 2 shows a perspective view of a housing nozzle of the side channel pump of FIG. 1.
- FIG. 3 shows a perspective view of the cover part of the side channel pump of FIG. 1.
- the side channel blower shown in Figure 1 consists of a two-part housing 2 and a rotatably mounted in the housing 2 and driven by a drive unit 3 impeller 4, for example for the promotion of air.
- the air passes through an axial inlet 6 in an inlet region 8 of a first housing part 10, soft in the present embodiment as Deckeltei! of the side channel blower is used.
- From Einiass Scheme 8 from the air then flows into two substantially annularly extending conveyor channels 12, 14, of in which the first conveying channel 12 is formed in the cover part 10 and the second conveying channel 14 is formed in a second housing part 16, in whose central opening 17 also a bearing 18 of a drive shaft 19 of the drive unit 3 is arranged, on which the impeller 4 is fixed.
- the outlet of the air via a tangential Ausiass 20, the second Genzousetei! 16 is arranged.
- the impeller 4 is disposed between the cover part 10 and the second housing part 16 and has at its periphery conveying blades 22 which are curved and extend radially, wherein the conveying blades 22 by a radially extending peripheral ring 24 in a first row axially opposite to the first Delivery channel 12 and a second row axially opposite to the second conveying channel 14 are divided, so that two Wirbeikanäie are formed, each formed by one of the conveying channels 12, 14 with the facing part of the impeller 4.
- the outer diameter of the conveying channels 12, 14 is slightly larger than the outer diameter of the impeller 4, so that a fluidic connection between the two conveying channels 12, 14 outside the outer periphery of the impeller 4, so that an exchange of air between the two conveying channels 12, 14th can take place.
- Between the extending from the peripheral ring 24 bingoschaufefn 22 are thus formed radially outwardly open pockets 26, in which the air is promoted or accelerated so that the pressure over the length of the conveyor channels 12, 14 is increased.
- interruption regions 28, 30 are arranged between the inlet 6 and the outlet 20 on the cover part 10 and on the housing part 16, which interrupt the delivery channels 12, 14 that in the interruption regions 28, 30 axially opposite to the conveying blades 22 of the impeller 4 as small as possible gap is present.
- An interruption region 32 is formed on a radially delimiting wall 33 of the second housing part 16 and interrupts a radially outer connection region 35 between the two randomlykanäien 12, 14th
- the impeller 4 rotates counterclockwise from the inlet region 8 to the end of the conveying channel 12 and then back to the inlet region 8 via the interruption region 28.
- the cover part 10 is screwed on the second Genzousetei! 16 fastened, which are inserted through corresponding bores 34, which are formed on radially outwardly extending projections 36 on Deckelteii 10.
- corresponding bores 34 which are formed on radially outwardly extending projections 36 on Deckelteii 10.
- corresponding bores 34 which are formed on radially outwardly extending projections 36 on Deckelteii 10.
- corresponding holes 40 are additionally small, axially extending bolts 38, which for prefixing the Deckeiteiis 10 on the second Gekorusetei! Serve 16, are formed on the corresponding holes 40,
- an IMut 44 is formed, in the sealing between the cover part 10 and the second Genzousetei! 16, a sealing ring 46 is inserted, which is held in the groove 44 via lugs 48.
- annular web 52 is formed, which engages after assembly of the fan in a corresponding groove 54 of the impeller 4, whereby a seal from fraudai 12 toward the interior of the impeller 4 takes place, in addition, the cover part 10, a cylindrical recess 56 into which the driving path 19 of the drive unit 3 protrudes,
- Erf ⁇ ndungsillet are the delivery channels 12, 14 in Deckeiteü 10 and Gesimousetei! 16 are formed so that they extend in the area in front of the outlet 20 instead of as before in memorisr ⁇ chtung from here towards the outlet 20 as the outlet 20 in the tangential direction.
- the width of the Delivery channels 12, 14 smaller than the width of the outlet 20, so that it is initially flowed by the delivery channels 12, 14 only over its radially outer region.
- An outlet opening 58 which leads through the radially delimiting wall 33 of the second housing part 16 and connects the interior of the fan with the outlet 20, is formed such that in the direction of rotation of the impeller 4 the outlet opening 58 into the interruption areas 28, 30 of the housing parts 10 , 16 extends, as can be seen in Figure 2.
- an exit edge 62 which delimits the exit opening 58 in the direction of rotation of the impeller 4, extends from an inner edge 64 of the delivery channel 14 in the second housing part 16 to the wall
- Angle of this slope should be chosen so that the component corresponds in computerssr ⁇ chtung at least the distance between two blades 22.
- a recess 60 is formed directly behind the outlet opening 58 at the discontinuity region 32 of the radially delimiting wall 33.
- This recess 60 is bounded by a breaker edge 66 in the direction of rotation of the impeller 4, which also extends obliquely from the bottom of the housing part 16, afso having an axial component in the direction of the cover part 10 and a component in the direction of rotation of the impeller.
- interrupt edge 66 and the outlet edge 62 are not parallel but are at an angle to each other, wherein for the outlet edge 62, the component in the direction of rotation is greater than for the interrupt edge 66, It should be noted that with a larger distance between the blades 22 of the Impeller 4, the included angle between the breaker edge 66 and the outlet edge 62 should be selected larger.
- Impeller 4 the bag 26 is covered from the inside out through the interruption area 28, so that only a significantly reduced Anteii the air can flow back into the bag. Before the bag 26 is completely covered by the interruption area 28, the bag reaches the
- the air flowing out behind the outlet opening 58 also does not strike immediately against the interruption area 32 on the radial wall 33 but flows into the recess 6Q 1 where at least a slight relaxation takes place by turbulence of the air reaching into the recess.
- the angle is chosen so that neither the simultaneously over the entire height of the pocket 26 ejected air flow reaches the breaker edge 66 at the same time still reaches the same width over the entire air stream expelled.
- the expansion path for the existing residual air increases. So pressure surges can be additionally reduced.
- the described side channel blower is characterized by a significant reduction in noise emissions compared to known So ⁇ kanalgebläsen. At the same time, a high delivery rate is achieved.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009006652.7A DE102009006652B4 (de) | 2009-01-29 | 2009-01-29 | Seitenkanalgebläse, insbesondere Sekundärluftgebläse für eine Verbrennungskraftmaschine |
PCT/EP2010/050248 WO2010086210A1 (de) | 2009-01-29 | 2010-01-12 | Seitenkanalgebläse, insbesondere sekundärluftgebläse für eine verbrennungskraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2382393A1 true EP2382393A1 (de) | 2011-11-02 |
EP2382393B1 EP2382393B1 (de) | 2017-09-06 |
Family
ID=41820306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10700238.8A Active EP2382393B1 (de) | 2009-01-29 | 2010-01-12 | Seitenkanalgebläse, insbesondere sekundärluftgebläse für eine verbrennungskraftmaschine |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2382393B1 (de) |
DE (1) | DE102009006652B4 (de) |
WO (1) | WO2010086210A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023236011A1 (zh) * | 2022-06-06 | 2023-12-14 | 广东德昌电机有限公司 | 侧流道泵 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010040240B3 (de) | 2010-09-03 | 2011-11-10 | Kl Megla Gmbh | Gelenkband für ein Trennelement |
DE102010046870B4 (de) * | 2010-09-29 | 2016-09-22 | Pierburg Gmbh | Seitenkanalgebläse, insbesondere Sekundärluftgebläse für eine Verbrennungskraftmaschine |
DE102011108763B4 (de) | 2011-07-28 | 2013-08-08 | Pierburg Gmbh | Seitenkanalgebläse |
US9303645B2 (en) * | 2012-03-23 | 2016-04-05 | Victori, Llc | Regenerative blower with a convoluted contactless impeller-to-housing seal assembly |
EP3728859A1 (de) | 2017-12-21 | 2020-10-28 | Pierburg GmbH | Seitenkanalgebläse, insbesondere sekundärluftgebläse für eine verbrennungskraftmaschine |
CN111406155B (zh) | 2017-12-21 | 2022-04-29 | 皮尔伯格有限责任公司 | 侧通道鼓风机 |
WO2020182270A1 (de) * | 2019-03-08 | 2020-09-17 | Pierburg Gmbh | Seitenkanalgebläse |
CN112392766B (zh) * | 2019-08-15 | 2023-08-18 | 广东德昌电机有限公司 | 侧流道泵 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE499484C (de) * | 1930-06-06 | Koester Friedrich | Schaufelradpumpe mit tangentialem Wasser-Ein- und -Austritt | |
US1619285A (en) * | 1921-02-14 | 1927-03-01 | Arthur W Burks | Pump |
US2220538A (en) * | 1937-07-30 | 1940-11-05 | Micro Westco Inc | Pump |
US2217211A (en) * | 1937-09-11 | 1940-10-08 | Roots Connersville Blower Corp | Rotary pump |
JP3638818B2 (ja) * | 1999-05-20 | 2005-04-13 | 愛三工業株式会社 | ウエスコ型ポンプ |
JP2005291149A (ja) * | 2004-04-02 | 2005-10-20 | Denso Corp | 流体駆動装置 |
-
2009
- 2009-01-29 DE DE102009006652.7A patent/DE102009006652B4/de active Active
-
2010
- 2010-01-12 EP EP10700238.8A patent/EP2382393B1/de active Active
- 2010-01-12 WO PCT/EP2010/050248 patent/WO2010086210A1/de active Application Filing
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2010086210A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023236011A1 (zh) * | 2022-06-06 | 2023-12-14 | 广东德昌电机有限公司 | 侧流道泵 |
Also Published As
Publication number | Publication date |
---|---|
EP2382393B1 (de) | 2017-09-06 |
DE102009006652A1 (de) | 2010-08-05 |
WO2010086210A1 (de) | 2010-08-05 |
DE102009006652B4 (de) | 2014-06-18 |
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