EP0108922A1 - Ventilateur axial pour machine à carburant refroidi par l'air - Google Patents

Ventilateur axial pour machine à carburant refroidi par l'air Download PDF

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Publication number
EP0108922A1
EP0108922A1 EP83110032A EP83110032A EP0108922A1 EP 0108922 A1 EP0108922 A1 EP 0108922A1 EP 83110032 A EP83110032 A EP 83110032A EP 83110032 A EP83110032 A EP 83110032A EP 0108922 A1 EP0108922 A1 EP 0108922A1
Authority
EP
European Patent Office
Prior art keywords
air
combustion engine
blower
internal combustion
casing
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
Application number
EP83110032A
Other languages
German (de)
English (en)
Other versions
EP0108922B1 (fr
Inventor
Hans Weitzenbürger
Helmut Dipl.-Ing. Bücken
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.)
Kloeckner Humboldt Deutz AG
Original Assignee
Kloeckner Humboldt Deutz AG
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
Priority claimed from DE19823242186 external-priority patent/DE3242186A1/de
Priority claimed from DE19823242185 external-priority patent/DE3242185A1/de
Application filed by Kloeckner Humboldt Deutz AG filed Critical Kloeckner Humboldt Deutz AG
Priority to AT83110032T priority Critical patent/ATE23911T1/de
Publication of EP0108922A1 publication Critical patent/EP0108922A1/fr
Application granted granted Critical
Publication of EP0108922B1 publication Critical patent/EP0108922B1/fr
Expired legal-status Critical Current

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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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers

Definitions

  • the invention relates to a device of the type specified in the preamble of the first claim.
  • the object of the present invention is now to reduce the scope of the blower jacket in axial fans for cooling air delivery on air-cooled internal combustion engines, without the performance and the amount of cooling air delivered by the fan being impaired.
  • this object is achieved by the characterizing features of the first claim.
  • This solution has the advantage that the flow of the intake cooling air is not adversely affected and that the inlet area is nevertheless not larger than the blower jacket diameter in the area of the impeller. This reduces the installation volume of the cooling air blower, so that the installation dimensions of the associated internal combustion engine can also be reduced.
  • the constriction of the blower jacket is advantageously achieved by a circumferential radial constriction. This is easy to manufacture technically (claim 2).
  • the figures schematically show a cross section through an axial fan 1, consisting of an impeller 2, a guide impeller 3, the hub 4 and a housing jacket 5.
  • the impeller 2 is mounted in a manner known per se with the aid of a V-belt driven by the crankshaft or an intermediate shaft of the internal combustion engine, not shown.
  • the guide wheel 3 is shrunk with the hub 4 into the housing shell 5.
  • the housing shell 5 is no longer in the inlet area 6 - as was previously usual -. Protrudes due to the inlet radius on the contour of the fan shell section in the region of the impeller 2, the inlet radius 6 shown in Figure 1 is retracted so that the leading edge of the fan casing contour g facilitated with its section in the impeller area. This measure creates a diagonal flow in front of or in the area of the stator 3.
  • the impeller 2 itself is flowed through axially. Because of this training, the flow conditions are additionally improved.
  • the outlet area 7 of the inlet radius 6, which is at the rear in the direction of flow, is designed to extend into the region of the guide wheel 3 in the case of axially small-sized fans.
  • the guide vane 3 is fastened in the blower jacket 5 by shrinking, it is difficult to provide the outlet area 7 as far as into the guide vane area 3, since then reduced adhesive forces can occur during and after the shrinking. In this case, it is then better to move the inlet radius 6 axially forward with an outlet area 7 to such an extent that there is no longer any deformation of the blower jacket 5 in the stator area 3.
  • FIG. 2 and 3 differs from that of FIG. 1 in that an insert 8 is provided instead of the constriction.
  • the blower jacket 5 has both in the inlet area and in the area of the Impeller 2 has a constant outer circumference.
  • the rear region 7 of the insert 8 in the direction of flow in the case of axially small fans is designed to extend into the region of the guide wheel 3.
  • the guide vane 3 is fastened in the blower casing 5 by shrinking, it makes sense to provide the insert 8 as far as into the guide vane region 3 and to manufacture both in one piece.
  • the insert 8 Due to the front likewise rounded edge 9 of the insert 8 and its gripping around the front edge of the blower jacket 5, a flow-optimized inlet area is created without changing the outside diameter of the blower jacket.
  • the insert 8 is easy and safe to attach due to this training, for. B. by shrinking or radially arranged screws.
  • FIG 3 shows a partial cross section of the insert 8 with its front edge 9 and the shoulder 10 for receiving the blower jacket 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP83110032A 1982-11-15 1983-10-07 Ventilateur axial pour machine à carburant refroidi par l'air Expired EP0108922B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83110032T ATE23911T1 (de) 1982-11-15 1983-10-07 Axialgeblaese fuer luftgekuehlte brennkraftmaschine.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3242185 1982-11-15
DE3242186 1982-11-15
DE19823242186 DE3242186A1 (de) 1982-11-15 1982-11-15 Luftgekuehlte brennkraftmaschinen
DE19823242185 DE3242185A1 (de) 1982-11-15 1982-11-15 Luftgekuehlte brennkraftmaschine

Publications (2)

Publication Number Publication Date
EP0108922A1 true EP0108922A1 (fr) 1984-05-23
EP0108922B1 EP0108922B1 (fr) 1986-11-26

Family

ID=25805788

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83110032A Expired EP0108922B1 (fr) 1982-11-15 1983-10-07 Ventilateur axial pour machine à carburant refroidi par l'air

Country Status (2)

Country Link
EP (1) EP0108922B1 (fr)
DE (1) DE3367962D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1830072A2 (fr) * 2006-03-01 2007-09-05 Behr GmbH & Co. KG Châssis de ventilateur pour transmetteur thermique et dispositif d'un ventilateur axial dans un châssis de ventilateur

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6827547B2 (en) 2003-01-29 2004-12-07 Borgwarner Inc. Engine cooling fan having improved airflow characteristics

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1360211A (fr) * 1963-03-04 1964-05-08 A De Jong N V Ventilateur axial
FR2386706A1 (fr) * 1977-04-05 1978-11-03 Neu Ets Perfectionnement aux ventilateurs helicoides

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1360211A (fr) * 1963-03-04 1964-05-08 A De Jong N V Ventilateur axial
FR2386706A1 (fr) * 1977-04-05 1978-11-03 Neu Ets Perfectionnement aux ventilateurs helicoides

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1830072A2 (fr) * 2006-03-01 2007-09-05 Behr GmbH & Co. KG Châssis de ventilateur pour transmetteur thermique et dispositif d'un ventilateur axial dans un châssis de ventilateur
EP1830072A3 (fr) * 2006-03-01 2008-03-26 Behr GmbH & Co. KG Châssis de ventilateur pour transmetteur thermique et dispositif d'un ventilateur axial dans un châssis de ventilateur

Also Published As

Publication number Publication date
DE3367962D1 (en) 1987-01-15
EP0108922B1 (fr) 1986-11-26

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