EP3728860B1 - Compresseurs à canal latéral, en particulier compresseurs d'air secondaires pour un moteur à combustion interne - Google Patents

Compresseurs à canal latéral, en particulier compresseurs d'air secondaires pour un moteur à combustion interne Download PDF

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Publication number
EP3728860B1
EP3728860B1 EP18716283.9A EP18716283A EP3728860B1 EP 3728860 B1 EP3728860 B1 EP 3728860B1 EP 18716283 A EP18716283 A EP 18716283A EP 3728860 B1 EP3728860 B1 EP 3728860B1
Authority
EP
European Patent Office
Prior art keywords
channel
outlet
blower
conveyor
housing
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
EP18716283.9A
Other languages
German (de)
English (en)
Other versions
EP3728860A1 (fr
Inventor
Alexander Gotter
Thomas Rösgen
Petra DEITER
Alpay CAPAN
Krischan VON DER BEEK
Matthias Boutros-Mikhail
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.)
Pierburg GmbH
Original Assignee
Pierburg GmbH
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Filing date
Publication date
Application filed by Pierburg GmbH filed Critical Pierburg GmbH
Publication of EP3728860A1 publication Critical patent/EP3728860A1/fr
Application granted granted Critical
Publication of EP3728860B1 publication Critical patent/EP3728860B1/fr
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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 a secondary air blower for an internal combustion engine with a multi-part housing that has at least a first housing part, which is designed as a pot part and a second housing part, which is designed as a cover part, the pot part and the cover part in a parting plane below Interposition of a sealing member are connected to one another and enclose a fan chamber, an inlet, which opens via an inlet area into at least one essentially annularly extending conveying channel with a radially delimiting wall, and an outlet, an impeller, which can be driven via a drive unit is rotatably mounted in the housing and has conveyor blades which interact with the opposite conveyor channel, and an interruption area between the inlet and the outlet in which the at least one conveyor channel is interrupted in the circumferential direction, wherein the outlet has an outlet channel section into which the at least one conveying channel opens, the outlet channel section having an outwardly directed discharge opening and an outlet opening directed towards the conveying channel with a first and a second side
  • Side-channel fans are known in which only one delivery channel is formed on one axial side of the impeller in a housing part, as well as side-channel fans in which a delivery channel is formed on both axial sides of the impeller, with both delivery channels then being fluidically connected to one another.
  • one of the delivery channels is formed in a housing part serving as a cover, while the other delivery channel is formed in the housing part to which the drive unit is usually attached, on whose shaft the impeller is at least rotationally fixed.
  • the DE 10 2009 006 652 proposed a pump for pumping fluids to design the outlet opening of the outlet in a special way. It has been found, however, that despite the reduction in pressure surges and the associated reduction in noise emissions, the efficiency is still too low. It would also be desirable to increase the maximum possible throughput.
  • the publications show WO 2012/041625 A1 and DE 10 2015 213 549 A1 Side channel blowers in which the first and second side edges span a first plane E 1 , which forms an angle ⁇ ⁇ 30 ° with a second plane E 2 , which is spanned by the discharge opening. As a result, a real tangential flow can be achieved in the transition area from the delivery channel to the outlet channel section of the outlet, whereby an improvement in efficiency is possible and higher operating pressures can be achieved.
  • the object is therefore to create a side channel blower with which the above-mentioned disadvantages can be avoided in a simple and inexpensive manner.
  • the outlet channel section can be made larger on average, which in turn enables an increase in throughput. As a result, the above-mentioned effects can be better exploited and even intensified due to the angle ⁇ .
  • the parting plane can advantageously run in a stepped manner and the sealing element can be designed as a liquid seal in a groove. This ensures that no sealing material gets into the fan compartment.
  • a side channel blower is thus created in which the efficiency and the maximum achievable throughput can be increased significantly compared to known side channel blowers.
  • the side channel blower shown consists of a two-part housing 2 and an impeller 4 rotatably mounted in the housing 2 and driven by a drive unit 3, for example for conveying air.
  • the air reaches an inlet area 8 via an axial inlet 6 (see FIG Figure 2 ) a first housing part 10, which in the present embodiment serves as a pot part of the side channel blower.
  • a first housing part 10 which in the present embodiment serves as a pot part of the side channel blower.
  • the air then flows into two essentially annularly extending conveyor channels 12, 14, of which the first conveyor channel 12 is formed in the cover part 10 and the second conveyor channel 14 in a second housing part 16, which in the present embodiment is a cover part of the side channel blower serves, is formed.
  • the pot part 10 and the cover part 16 thus enclose a blower space 17.
  • 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 also arranged, on which the impeller 4 is attached.
  • the air is discharged via a tangential outlet 20 which is arranged on the first housing part 10.
  • the impeller 4 is arranged between the pot part 10 and the cover part 16 and has conveyor blades 22 on its circumference, which are curved and extend radially, the conveyor blades 22 by a radially extending circumferential ring 24 in a first row axially opposite the first conveyor channel 12 and a second row are divided axially opposite to the second delivery channel 14, so that two vortex channels are formed, each of which is formed by one of the delivery channels 12, 14 with the facing part of the impeller 4.
  • the outer diameter of the conveyor channels 12, 14 is slightly larger than the outer diameter of the impeller 4, so that there is a fluidic connection between the two conveyor channels 12, 14 outside the outer circumference of the impeller 4, so that an exchange of air between the two conveyor channels 12, 14 can take place. Between the conveyor blades 22 extending from the circumferential ring 24, pockets 26 which are open radially outward are thus formed in which the air is conveyed or accelerated so that its pressure is increased over the length of the conveyor channels 12, 14.
  • the axial inlet 6 is as far away as possible from the tangential outlet 20 in the direction of rotation of the impeller 4.
  • known interruption areas 28 are provided on the pot part 10 and on the cover part 16 between the inlet 6 and the outlet 20.
  • FIG. 2 only the interruption area 28 in the pot part 10 is shown.
  • Another interruption area 32 is formed on a radially delimiting wall 33 of the first housing part 10 and interrupts a radially outer connection area 35 between the two conveying channels 12, 14.
  • the pot part 10 is fastened to the second cover part 16 by means of screws (not shown further) which are inserted through corresponding bores 34 on the radially outwardly extending projections 36 on the pot part 10 are formed.
  • the cover part 16 is in turn connected in a known manner to a housing part 38 of the drive unit 3.
  • a groove 42 is formed radially behind a wall 40 of the conveyor channel 16 at the level of a bottom surface of the conveyor channel 14.
  • a parting plane 46 of the pot part 10 and the cover part 16 extends in this way in a stepped manner.
  • a liquid seal 48 can be provided in the groove 42 for sealing between the pot part 10 and the cover part 16, since the liquid seal 48 has no direct connection to the blower chamber 17.
  • the pot part 10 Radially in front of a wall 50 of the conveying channel 12 is an annular web 52 which, after the fan has been assembled, engages in a corresponding groove 54 of the impeller 4, thereby sealing the conveying channel 12 in the direction of the interior of the impeller 4.
  • the pot 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, directed outwards, opens into an outlet opening 60.
  • the delivery channels 12, 14 are fluidically connected to the outlet channel section 58 via an outlet opening 62.
  • a first and a second side edge 64, 66 span a first plane E 1 which, with a second plane E 2 , which is spanned by the discharge opening 60, forms an angle ⁇ ⁇ 30 °, here approx. 57 ° , includes (see in particular Figure 3 ).
  • the outlet opening 62 extends far into the radially delimiting wall 33 and a “real” tangential outflow can thereby be realized with a high degree of efficiency.
  • at least the pot part 10 can be produced from a thermosetting plastic as a workpiece off the tool.
  • the side channel blower described in the exemplary embodiment can be a pump with only one side channel, or the outlet opening and interrupter shape can both carry the larger flow with respect to the one be designed to correspond 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)

Claims (4)

  1. Souffleur à canal latéral, en particulier souffleur d'air secondaire pour moteur à combustion interne, comportant
    un carter en plusieurs parties (2) avec au moins une première partie de carter (10) conçue comme une partie de pot et une deuxième partie de carter (16) conçue comme une partie de couvercle, la partie de pot (10) et la partie de couvercle (16) étant reliés dans un plan de séparation (46) avec interposition d'un élément d'étanchéité (48) et entourant une chambre de souffleur (17),
    dans lequel une entrée (6) débouche par une zone d'entrée (8) dans au moins un canal de transport (12, 14) qui s'étend essentiellement de manière annulaire avec une paroi de délimitation radiale (33),
    et une sortie (20) sont formées,
    une roue (4) pouvant être entrainée via une unité d'entrainement (3), est supportée de manière rotative dans le carter (2) et comprend des aubes de transport (22) coopérant avec le canal de transport (12, 14) opposé,
    et une zone d'interruption (28, 32) entre l'entrée (6) et la sortie (20), dans laquelle ledit au moins un canal de transport (12, 14) est interrompu dans la direction circonférentielle,
    la sortie (20) comprenant une section de canal de sortie (58) dans laquelle débouche ledit au moins un canal de transport (12, 14), la section de canal de sortie (58) ayant une ouverture de décharge (60) dirigée vers l'extérieur et une ouverture de sortie (62), dirigée vers le canal de transport (12, 14), présentant un premier et un deuxième bord latéral (64, 66), le premier bord latéral (64) faisant partie de la zone d'interruption (32) et le deuxième bord latéral (66) faisant partie du paroi de délimitation (33),
    le premier et le deuxième bord latéral (64, 66) couvrant un premier plan f1 qui forme un angle α ≥ 30° avec un deuxième plan f2, traversé par l'ouverture de décharge (60) de sorte que l'ouverture de sortie (62) pénètre dans la paroi délimitant radialement (33),
    caractérisé en ce que
    le plan de séparation (46) s'étend au niveau ou au-dessous d'une surface inférieure du canal de transport (14) dans la partie de couvercle (16).
  2. Souffleur à canal latéral selon la revendication 2, caractérisé en ce que le plan de séparation (46) s'étend en gradins et l'élément d'étanchéité (48) est réalisé sous forme de joint liquide dans une rainure (42).
  3. Souffleur à canal latéral selon l'une quelconque des revendications précédentes, caractérisé en ce que la partie de couvercle (16) est adjacente à l'unité d'entrainement (3). Souffleur à canal latéral, en particulier souffleur d'air secondaire pour un
  4. Souffleur à canal latéral selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins la partie de pot (10) est réalisée en une matière plastique thermodurcissable en tant que pièce tombant dans l'outil.
EP18716283.9A 2017-12-21 2018-04-10 Compresseurs à canal latéral, en particulier compresseurs d'air secondaires pour un moteur à combustion interne Active EP3728860B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP2017084204 2017-12-21
PCT/EP2018/059176 WO2019120633A1 (fr) 2017-12-21 2018-04-10 Compresseurs à canal latéral, en particulier compresseurs d'air secondaires pour un moteur à combustion interne

Publications (2)

Publication Number Publication Date
EP3728860A1 EP3728860A1 (fr) 2020-10-28
EP3728860B1 true EP3728860B1 (fr) 2021-10-13

Family

ID=60915523

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18716283.9A Active EP3728860B1 (fr) 2017-12-21 2018-04-10 Compresseurs à canal latéral, en particulier compresseurs d'air secondaires pour un moteur à combustion interne

Country Status (3)

Country Link
EP (1) EP3728860B1 (fr)
CN (1) CN111406155B (fr)
WO (1) WO2019120633A1 (fr)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
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
EP4039301A1 (fr) * 2009-11-19 2022-08-10 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

Also Published As

Publication number Publication date
CN111406155A (zh) 2020-07-10
WO2019120633A1 (fr) 2019-06-27
CN111406155B (zh) 2022-04-29
EP3728860A1 (fr) 2020-10-28

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