EP3728860A1 - Seitenkanalgebläse, insbesondere sekundärluftgebläse für eine verbrennungskraftmaschine - Google Patents
Seitenkanalgebläse, insbesondere sekundärluftgebläse für eine verbrennungskraftmaschineInfo
- Publication number
- EP3728860A1 EP3728860A1 EP18716283.9A EP18716283A EP3728860A1 EP 3728860 A1 EP3728860 A1 EP 3728860A1 EP 18716283 A EP18716283 A EP 18716283A EP 3728860 A1 EP3728860 A1 EP 3728860A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- channel
- blower
- 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 8
- 238000007789 sealing Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 229920001187 thermosetting polymer Polymers 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000007704 transition Effects 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
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/083—Sealings 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
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
Definitions
- the invention relates to a side channel blower, in particular secondary air blower for an internal combustion engine with a multi-part housing that at least a first housing part, which is designed as a cup part and a second housing part, which is designed as a lid part, wherein the cup part and the lid part in a parting plane below Intermediate switching of a sealing member are connected to each other and include a blower chamber, wherein an inlet, which opens via an inlet region in at least one substantially annularly extending conveying channel with a radially bounding wall, and an outlet, an impeller, which is drivable via a drive unit 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 conveying channel in the circumferential direction un wherein the outlet has an outlet channel portion into which the at least one delivery channel opens, the outlet channel portion having an outwardly directed discharge opening and an outlet opening directed to the delivery channel having first and second side edges,
- DE 10 2009 006 652 proposes a pump for conveying fluids, the outlet opening of the outlet in special way to shape.
- efficiency is still too low. It would also be desirable to increase the maximum possible throughput.
- the parting plane extends in height or below a bottom surface of the conveying channel in the cover part, whereby the outlet channel section can be made larger on average, which in turn allows an increase in the throughput.
- the dividing plane can advantageously extend in steps and the sealing member can be formed as a liquid seal in a groove. In this way it is ensured that no sealing material enters the fan room.
- a particularly easy to manufacture arrangement results from the fact that the lid part adjoins the drive unit.
- an opening for a bearing of a drive shaft is provided in the cover part.
- the cup part then closes the side channel blower to the outside.
- a side channel blower is provided in which the efficiency and the maximum achievable throughput can be substantially increased compared to known side channel blowers.
- An embodiment of a side channel blower according to the invention is shown in the drawings and will be described below.
- Figure 1 shows a side view of a side channel blower in a sectional view.
- FIG. 2 shows a perspective view of a cup part of the side channel pump of FIG. 1.
- FIG. 3 shows a top view of the cup 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 via an axial inlet 6 into an inlet region 8 (see FIG. 2) of a first housing part 10, which in the present embodiment serves as a cup part of the side channel blower. From the inlet region 8, the air then flows into two substantially annularly extending conveying channels 12, 14, of which the first conveying channel 12 is formed in the cover part 10 and the second conveying channel 14 in a second housing part 16, which in the present embodiment as a cover part of the side channel serves, is trained.
- the cup part 10 and the lid part 16 thus include a fan chamber 17 a.
- the cover part 16 has a central opening 15, in which 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 outlet 20, which is arranged on the first housing part 10.
- the impeller 4 is disposed between the pot member 10 and the lid member 16 and has at its periphery on conveying blades 22 which are curved and extending radially, wherein the conveying blades 22 are divided by a radially extending peripheral ring 24 in a first row axially opposite to the first conveying channel 12 and a second row axially opposite to the second conveying channel 14, so that two swirl ducts are formed, each by one of Delivery channels 12, 14 are formed with the facing part of the impeller 4.
- the outer diameter of the delivery channels 12, 14 is slightly larger than the outer diameter of the impeller 4, so that a fluidic connection between the two delivery channels 12, 14 outside the
- the axial inlet 6 is as far as possible from the tangential outlet 20 in the direction of rotation of the impeller 4.
- known interruption areas 28 on the cup part 10 and on the lid part 16 are provided between the inlet 6 and the outlet 20.
- a further interruption region 32 is formed on a radially delimiting wall 33 of the first housing part 10 and interrupts a radially outer connection region 35 between the two conveying channels 12, 14.
- the pot member 10 is fastened via not shown screws on the second cover part 16, which by corresponding Holes 34 are inserted, which are formed on radially outwardly extending projections 36 on the cup portion 10.
- the cover part 16 is in turn connected in a known manner with a housing part 38 of the drive unit 3.
- a groove 42 Radially behind a wall 40 of the conveying channel 16, a groove 42 in the amount of a bottom surface of the conveying channel 14 is formed.
- a parting plane 46 of the cup part 10 and the lid part 16 is stepped in this way.
- a liquid seal 48 may be provided in the groove 42 for sealing between pot portion 10 and lid portion 16, since the liquid seal 48 has no direct connection to the fan chamber 17.
- an 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 the conveying channel 12 in the direction of the interior of the impeller 4 takes place.
- the cup part 10 has a cylindrical recess 56 into which the drive shaft 19 of the drive unit 3 protrudes.
- the outlet 20 has a tangential outlet channel section 58, which opens outward into an ejection opening 60.
- the delivery channels 12, 14 are fluidly connected to the outlet channel section 58 via an outlet opening 62.
- a first and a second side edge 64, 66 define a first plane Ei which, with a second plane E 2 , which is spanned by the ejection opening 60, has an angle a> 30 °, in this case approximately 57 °, includes (see in particular Figure 3).
- This has the consequence that the outlet opening 62 extends far into the radially delimiting wall 33 and thus a "real" tangential outflow can be realized with high efficiency.
- ⁇ br/> ⁇ br/> In a particularly simple way, at least the pot part 10 can be produced from a duroplastic material as a workpiece-falling workpiece.
- the side channel blower described in the embodiment can be a pump with only one side channel, or the outlet opening and interruptor shape can be configured correspondingly both with respect to the larger current leading to the inlet-facing channel and to the opposite channel.
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 |
---|---|---|---|
EP2017084204 | 2017-12-21 | ||
PCT/EP2018/059176 WO2019120633A1 (de) | 2017-12-21 | 2018-04-10 | Seitenkanalgebläse, insbesondere sekundärluftgebläse für eine verbrennungskraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3728860A1 true EP3728860A1 (de) | 2020-10-28 |
EP3728860B1 EP3728860B1 (de) | 2021-10-13 |
Family
ID=60915523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18716283.9A Active EP3728860B1 (de) | 2017-12-21 | 2018-04-10 | Seitenkanalgebläse, insbesondere sekundärluftgebläse für eine verbrennungskraftmaschine |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3728860B1 (de) |
CN (1) | CN111406155B (de) |
WO (1) | WO2019120633A1 (de) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3016438C2 (de) * | 1980-04-29 | 1985-12-19 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Querstromlüfter |
DE10344719A1 (de) * | 2003-09-26 | 2005-05-04 | Elektror M Mueller Gmbh | Seitenkanalverdichter mit einem ringförmigen Laufradgehäuse |
DE102008056106B4 (de) * | 2008-11-06 | 2011-02-17 | Pierburg Gmbh | Seitenkanalgebläse, insbesondere Sekundärluftgebläse für eine Verbrennungskraftmaschine |
DE102009006652B4 (de) | 2009-01-29 | 2014-06-18 | Pierburg Gmbh | Seitenkanalgebläse, insbesondere Sekundärluftgebläse für eine Verbrennungskraftmaschine |
EP3323461B1 (de) * | 2009-11-19 | 2021-12-29 | ResMed Motor Technologies Inc | Ventilateur |
DE102010046870B4 (de) * | 2010-09-29 | 2016-09-22 | Pierburg Gmbh | Seitenkanalgebläse, insbesondere Sekundärluftgebläse für eine Verbrennungskraftmaschine |
DE102010061994A1 (de) * | 2010-11-25 | 2012-05-31 | Gardner Denver Deutschland Gmbh | Gebläse-Anordnung |
CN103573707B (zh) * | 2012-07-18 | 2016-08-31 | 珠海格力电器股份有限公司 | 蜗壳 |
CN104564803B (zh) * | 2015-01-16 | 2018-01-12 | 珠海格力电器股份有限公司 | 离心叶轮、离心风机组件和空调机组 |
DE102015213549A1 (de) * | 2015-07-17 | 2017-01-19 | Gardner Denver Deutschland Gmbh | Seitenkanal-Maschine |
CN106427474B (zh) * | 2016-11-09 | 2019-07-26 | 珠海格力电器股份有限公司 | 客车及其车载空调 |
-
2018
- 2018-04-10 CN CN201880076805.0A patent/CN111406155B/zh active Active
- 2018-04-10 WO PCT/EP2018/059176 patent/WO2019120633A1/de unknown
- 2018-04-10 EP EP18716283.9A patent/EP3728860B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
CN111406155B (zh) | 2022-04-29 |
CN111406155A (zh) | 2020-07-10 |
WO2019120633A1 (de) | 2019-06-27 |
EP3728860B1 (de) | 2021-10-13 |
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