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EP2166232B1 - Compresseur à canal latéral - Google Patents

Compresseur à canal latéral Download PDF

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Publication number
EP2166232B1
EP2166232B1 EP10150253.2A EP10150253A EP2166232B1 EP 2166232 B1 EP2166232 B1 EP 2166232B1 EP 10150253 A EP10150253 A EP 10150253A EP 2166232 B1 EP2166232 B1 EP 2166232B1
Authority
EP
European Patent Office
Prior art keywords
side channel
compressor
housing
channel
channel compressor
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
EP10150253.2A
Other languages
German (de)
English (en)
Other versions
EP2166232A1 (fr
Inventor
Antje Gennat
Ulli Kriebel
Witali Winter
Rudolf Bahnen
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.)
Gebr Becker GmbH
Original Assignee
Gebr Becker GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gebr Becker GmbH filed Critical Gebr Becker GmbH
Publication of EP2166232A1 publication Critical patent/EP2166232A1/fr
Application granted granted Critical
Publication of EP2166232B1 publication Critical patent/EP2166232B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F04D29/403—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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
    • 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F04D29/5853—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps heat insulation or conduction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/10—Centrifugal pumps for compressing or evacuating
    • F04D17/12—Multi-stage pumps
    • F04D17/14—Multi-stage pumps with means for changing the flow-path through the stages, e.g. series-parallel, e.g. side-loads

Definitions

  • the invention relates to a side channel compressor according to the features of the preamble of claim 1.
  • the impeller is provided on both sides with a blading, wherein the respectively adjacent to the blading cross sections of the work spaces form side channels.
  • Each side channel thus created is provided with an air inlet and an air outlet channel.
  • Such a side channel compressor is, for example, from the DE 24 33 094 A1 known.
  • the housing containing the channels is arranged coaxially to the axis of rotation of the electric motor or the side channel compressor. The cooling of the unit is not further supported.
  • the invention has the object to provide a particular cooling technically advantageous arrangement for such a side channel compressor.
  • the side channel compressor is advantageously exposed.
  • the flanged to the electric motor cooling fan is fluidly mounted low.
  • the channels extend in parallel position within the housing provided for this purpose.
  • a heating, in particular an excessive heating of the sucked air in the intake passage through the blown air in the blow-out is counteracted thereby. It is thus a thermal isolation of the hot exhaust air through the insulating material and thus achieved a decoupling of the cold air.
  • the intake passage is in fluid communication with the air inlet ducts of the preferably multi-flow side channel blower, as well as the air outlet ducts with the blow-out duct.
  • the housing may, for example, be elongated with a further, for example, substantially rectangular cross-section. Other cross-sections are possible, so on, for example, cross-sections with circular sections.
  • Side channel compressor and the associated motor are arranged one behind the other along a rotation axis.
  • the housing comprising the channels consists of a metal material, so further preferably in the form of an extruded profile, in particular aluminum extruded profiles.
  • the switching insert is preferably made of a plastic material, so in particular as an injection molded part.
  • the cooling air fan flanged axially on the electric motor is provided. This is driven directly via the electric motor - optionally with the interposition of a transmission or reduction - and causes in a preferred arrangement of the cooling air blower on the side of the channel compressor side facing away from the electric motor, a cooling air flow aligned along the impeller and motor axis.
  • the engine and the side channel compressor can be sheathed to form a cooling air flow channel between the shell and the outer walls of side channel compressor and motor, which outer walls can also have axially aligned cooling fins.
  • Motor, compressor and the electronics are thermally conductive connected in a further development, so as to provide a temperature compensation.
  • a side channel compressor 1 which is formed in the illustrated embodiment as a double-flow compressor. Accordingly, two side channels are provided which cooperate with a double-sided bladed impeller, not shown.
  • the impeller of the side channels is driven by an electric motor 2. This is flanged to the side channel compressor.
  • the motor rotary shaft is rotatably connected to the impeller, wherein fan axis and motor axis form a common axis x.
  • the motor is externally provided with axially aligned cooling fins 3. These extend over the entire length of the engine to the side channels, this with a constant axial contour for trouble-free flow on the side of the channel compressor 1 side facing away from the electric motor 2, a cooling air blower 4 is flanged to the electric motor 2.
  • Whose fan 5 is rotatably connected to the motor shaft in connection, according to which the cooling air blower 4 is driven directly via the electric motor 2.
  • an electrical connection housing 6 is mounted on the electric motor 2 and the motor housing. This also includes the electronics for controlling the electric motor 2 and the side channel compressor. 1
  • the outer wall of the electric motor 2 provided with the cooling ribs 3 and the cooling-air fan 4 are covered by air-guiding shells 7. These are formed as plastic profiles which are clipped onto the cooling ribs 3. As a result, the air guide shells 7 are decoupled to the engine 2 and provide a corresponding sound attenuation of the entire device.
  • the air guide shells 7 extending from the side channel compressor, over the entire length of the electric motor 2, the cooling air fan 4 comprising.
  • an air flow guide is achieved along the electric motor 2, so that the cooling air flow built up by the cooling air blower 4 is guided along the motor housing.
  • the compressor is cooled by this air flow.
  • Engine 2 compressor and electronics are thermally conductively connected in the longitudinal direction, which further contributes to a temperature compensation.
  • the electric motor 2 extends approximately rectangular in cross-section housing 9. This consists in the illustrated embodiment of an aluminum extruded profile. This housing 9 extends over the entire length of the unit formed by the cooling air blower 4, the electric motor 2 and the side channel compressor 1.
  • the transverse width considered in this respect corresponds in the illustrated embodiment (first embodiment, not the subject of the invention) measured transversely to the axis x Width of the unit seated on the housing 9 including the attached air guide shells 7 (see. Fig.1 ).
  • the housing 9 accordingly serves as a base 10 for the electric motor 2 and the side channel compressor 1.
  • the housing 9 forms in cross-section as shown in FIG Fig. 1 two separate channels 11 and 12. These are formed by a central, vertically oriented partition 13, which is formed of the same material, integral with the housing wall. Through the central partition wall 13 two equal in cross-section channels 11 and 12 are provided, which run channels 11 and 12 aligned along the axis x over the entire length of the housing 9. It is also possible an outboard arrangement for the formation of different sized channel cross sections.
  • the channels 11 and 12 receive an intake passage 14 and an exhaust passage 15 for operating the side channel compressor 1.
  • Intake passage 14 and exhaust passage 15 are tubular shape and extend almost over the entire length of the housing. 9
  • connection openings 16 having cover 17.
  • At least the blow-out channel 15 is comprised of a heat-insulating insulation 18. Also, the intake passage 14 may have such insulation.
  • the housing cover 19 facing the electric motor 2 has a cross-sectional configuration such that an air guide slot 20 extending in the axial direction is set up between the electric motor 2 and the housing 9. By this 4 more cooling air is sucked during operation on the cooling air blower.
  • the intake and exhaust ducts which are received in the housing 9 acting as a muffler, are in fluid communication with the air inlet and air outlet ducts of the side ducts.
  • a connection region 21 is provided, in which there is a deflection of the inflowing or outflowing air by 90 ° from a direction perpendicular to the axis x aligned flow in a directed in the axial direction of flow.
  • the side channel compressor 1 two-flow design d. H. provided with two side channels, as well as two air inlet ducts and two air outlet ducts, which are in each case in connection with the suction and Ausblaskanälen, formed.
  • a changeover insert 22 in the connection region 21, the optional configuration of the side channel compressor 1 is possible either as a double-flow compressor or as a two-stage compressor and, moreover, also by means of suitable shut-offs as a single-flow compressor.
  • a changeover insert 22 or 22 ' is provided.
  • a Umschaltjan 22 is shown for dual-flow operation of the side channel compressor 1.
  • This switching insert 22 is made as a plastic part by injection molding and has a square in plan square cover plate 23. This is stop limited used in an adapted, the channels 11 and 12 of the housing 9 in the area of the housing cover 19 cross recess 24 in the connection area 21.
  • Below the cover plate 23 extends vertically down a closure wall 25. This engages in a correspondingly adapted cutout 26 of Housing partition 13, a sealing closure This cutout 26 and thus to ensure the fluidic separation of the intake passage 14 and exhaust passage 15th
  • cover plate 23 are each associated with the not shown air inlet and outlet channels of the side channels inlet openings 27 and outlet openings 28 are formed, wherein the inlet openings 27 are associated with the intake passage 14 and the outlet openings 28 of the exhaust passage 15.
  • both side channels are operated independently of one another, this under flow via a common intake channel 14 and outflow via a common blow-out channel 15.
  • the air outlet channel of the first side channel is to be short-circuited to the air inlet channel of the second side channel.
  • this first has a cover plate 23 and a perpendicular thereto downwardly directed closure wall 25.
  • an inlet opening 27 is provided for a first side channel and an outlet opening 28 for the second side channel, which openings directly to the intake passage 14 and the Outlet 15 are in communication.
  • the outlet opening 28 of the first side channel and the inlet opening 27 of the second side channel are short-circuited in this switching insert 22 'via a connecting channel 29 formed in the switching insert 22'.
  • This is trough-like underside of the cover plate 23, the closure wall 25 formed by passing.
  • the more than two side channels is correspondingly a larger Selection different switching inserts 22 and 22 'before, so on, for example, four-flow, single-stage operation or double-flow, two-stage or beyond the single-stage four-stage operation of the side channel compressor.
  • the Umschaltdonoir 22 or 22 ' is sealingly in the recess 24 and further sealing in the cutout 26, wherein the seal can be achieved for example by plastically deformable edges on the switching insert formed as a plastic part 22 or 22'. In addition, by gluing or by arranging a sealing bead or the like.
  • the housing 9 and the above arranged unit of electric motor 2 and side channel compressor 1 are further thermally conductively connected so that the guided through the intake duct 14 cold suction air flow can be used for housing cooling.
  • the opposite hot exhaust air in the exhaust duct 15 is thermally decoupled by the insulation 18.
  • Figure 7 shows the inventive second embodiment of the side channel compressor 1, in which the housing 9 is not arranged underflur textbook, but rather with the interposition of an adapter 30 is seated on the side channel compressor, this including a right angle to the axis x.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Compressor (AREA)

Claims (1)

  1. Compresseur à canal latéral (1) ayant un canal d'aspiration (14) et un canal de soufflage (15), le canal d'aspiration (14) et le canal de soufflage (15) étant réunis dans un boîtier commun (9) et installés parallèlement l'un à l'autre, ayant une paroi de séparation commune (13) isolant les canaux, le compresseur à canal latéral et le moteur électrique (2) qui y est adjoint étant montés l'un derrière l'autre le long d'un axe de rotation (x), une soufflante d'air de refroidissement (4) étant en outre agencée de façon axialement bridée au niveau du moteur électrique, le boîtier reposant sur le compresseur à canal latéral avec l'interposition d'un adaptateur (30), la jonction entre l'adaptateur (30) et le boîtier (9) formant une surface plane, caractérisé en ce que la normale par rapport à la surface de jonction se situe à angle droit par rapport à l'axe de rotation (x).
EP10150253.2A 2007-04-13 2008-04-11 Compresseur à canal latéral Active EP2166232B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007017915A DE102007017915A1 (de) 2007-04-13 2007-04-13 Seitenkanalverdichter
EP08736138A EP2142805B1 (fr) 2007-04-13 2008-04-11 Compresseur de canal latéral

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP08736138.2 Division 2008-04-11
EP08736138A Division EP2142805B1 (fr) 2007-04-13 2008-04-11 Compresseur de canal latéral

Publications (2)

Publication Number Publication Date
EP2166232A1 EP2166232A1 (fr) 2010-03-24
EP2166232B1 true EP2166232B1 (fr) 2015-08-12

Family

ID=39539517

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10150253.2A Active EP2166232B1 (fr) 2007-04-13 2008-04-11 Compresseur à canal latéral
EP08736138A Active EP2142805B1 (fr) 2007-04-13 2008-04-11 Compresseur de canal latéral

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP08736138A Active EP2142805B1 (fr) 2007-04-13 2008-04-11 Compresseur de canal latéral

Country Status (4)

Country Link
EP (2) EP2166232B1 (fr)
AT (1) ATE521809T1 (fr)
DE (1) DE102007017915A1 (fr)
WO (1) WO2008125630A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010041139B4 (de) 2010-09-21 2018-03-29 Eberspächer Climate Control Systems GmbH & Co. KG Seitenkanalgebläse für ein Fahrzeugheizgerät
DE102011004512A1 (de) * 2011-02-22 2012-08-23 Gardner Denver Deutschland Gmbh Seitenkanal-Maschinen-Anordnung
DE102012101185A1 (de) 2011-08-03 2013-02-07 Gebr. Becker Gmbh Strömungsmaschine, Luftfilter-Vorsatz und Filterteil
DE102015107721A1 (de) 2015-05-18 2016-11-24 Gebr. Becker Gmbh Ölgeschmierte Drehschieber-Vakuumpumpe
MX2018003671A (es) * 2015-09-25 2018-05-28 Atlas Copco Airpower Nv Metodo para enfriar un compresor o bomba de vacio aplicando dicho metodo.
BE1023523B1 (nl) 2015-09-25 2017-04-19 Atlas Copco Airpower, N.V. Werkwijze voor het koelen van een compressor of vacuümpomp en een compressor of vacuümpomp die een dergelijke werkwijze toepast

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2433094A1 (de) * 1974-07-10 1976-01-22 Elektror Karl W Mueller Zweistufiger seitenkanalverdichter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2043926A5 (fr) * 1969-05-02 1971-02-19 Manoury Leon
DE2223762A1 (de) * 1972-05-16 1973-11-29 Elektror Karl W Mueller Druck- und volumenregler fuer motorisch angetriebene verdichter fuer gase oder foerdereinrichtungen von fluessigkeiten
US5049770A (en) * 1990-03-26 1991-09-17 General Motors Corporation Electric motor-driven impeller-type air pump
DE69119854T2 (de) * 1990-09-14 1996-10-10 Hitachi Ltd Seitenkanalgebläse
KR970005981B1 (ko) 1991-06-18 1997-04-22 가부시기가이샤 히다찌세이사뀨쇼 와류블로워
AU7489496A (en) * 1995-09-15 1997-04-01 Siemens Aktiengesellschaft Housing for a sound absorber which can be connected to a compressor
US7033137B2 (en) 2004-03-19 2006-04-25 Ametek, Inc. Vortex blower having helmholtz resonators and a baffle assembly

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2433094A1 (de) * 1974-07-10 1976-01-22 Elektror Karl W Mueller Zweistufiger seitenkanalverdichter

Also Published As

Publication number Publication date
WO2008125630A1 (fr) 2008-10-23
EP2166232A1 (fr) 2010-03-24
DE102007017915A1 (de) 2008-10-23
EP2142805A1 (fr) 2010-01-13
ATE521809T1 (de) 2011-09-15
EP2142805B1 (fr) 2011-08-24

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