WO1989007717A1 - Ventilateur axial - Google Patents

Ventilateur axial Download PDF

Info

Publication number
WO1989007717A1
WO1989007717A1 PCT/DE1989/000051 DE8900051W WO8907717A1 WO 1989007717 A1 WO1989007717 A1 WO 1989007717A1 DE 8900051 W DE8900051 W DE 8900051W WO 8907717 A1 WO8907717 A1 WO 8907717A1
Authority
WO
WIPO (PCT)
Prior art keywords
ring
outer ring
axial fan
flow
fan
Prior art date
Application number
PCT/DE1989/000051
Other languages
German (de)
English (en)
Inventor
Thomas Carolus
Bruno Kesel
Joachim Makowsky
Wolfgang Scheidel
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to DE8989901524T priority Critical patent/DE58900303D1/de
Publication of WO1989007717A1 publication Critical patent/WO1989007717A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • F01P5/06—Guiding or ducting air to, or from, ducted fans
    • 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
    • F04D29/545—Ducts
    • F04D29/547—Ducts having a special shape in order to influence fluid flow

Definitions

  • the invention is based on an axial fan according to the preamble of the main claim.
  • Such an axial fan is already known (DE-OS 28 26 697) in which the inlet frame ends in the area of the funnel mouth of the fan wheel ring.
  • An axial fan constructed in this way only works relatively quietly if the manufacturing and assembly tolerances between the frame and the fan wheel are kept close. However, this is very expensive.
  • the axial fan according to the invention with the characterizing features of the main claim has the advantage that the tolerances in question can be increased considerably without increasing the fan wheel operating noise.
  • the effectiveness of the axial fan is also not affected by the measure according to the invention.
  • FIG. 1 shows a partial section through an axial fan with a first inlet frame belonging to it
  • FIG. 2 shows a partial section through a differently designed inlet frame
  • FIG. 3 shows a partial section through a further embodiment of an inlet frame.
  • An axial fan 10 shown in FIG. 1 in a partial section has a fan wheel 12, the blades 14 of which are arranged in a star shape on a fan wheel hub 16. At the free ends 18 of the fan blades 14 - which together form a blade ring - a ring 20 is arranged which surrounds the blade ring.
  • the arrangement of the fan impeller blades 14 on the fan impeller hub 16 is such that air flows in the direction of the arrows 22 when the fan impeller rotates.
  • the side of the fan wheel ring 20 facing the flow is widened like a funnel, which is shown in FIG. 1 by a bell-shaped widening 24 of the ring 22.
  • the inlet frame 26 As seen in the direction of flow of the medium (arrows 22), there is an inlet frame 26 in front of the fan wheel 12, which ensures that the air flows properly into the radial fan 10.
  • the diameter of the annular inlet frame is matched to the fan wheel ring 20 in such a way that it extends to the area of the bell-shaped widening 24 of the fan wheel ring 20. This results in an axial gap 28 between the mutually facing sides of the fan wheel ring 20, 24 and the inlet frame 26.
  • the axial fan 10 has an outer ring 30 which extends from the inlet frame 26 in the flow direction 22 of the medium to the funnel edge 32 of the fan wheel ring 20, 24 extends so that a radial gap 34 extends between the funnel edge 32 and the inner wall of the outer ring 30 facing it results.
  • FIG. 1 further shows that the outer ring 30 extends from the frame 26 to at least a central region of the fan wheel 12.
  • the outer ring 30 can be designed as a cylindrical ring, as shown in FIG. 1.
  • the outer ring 30 tapers towards its end facing away from the inlet frame 26, which is shown in FIG. 3 with reference to the outer ring 230 shown there. It is irrelevant whether the taper extends over the entire length of the ring 30 or 230 or whether it is only provided in a certain section of the ring.
  • the outer ring 30 itself can for example be firmly connected to the frame 26, as shown in FIGS. 1 and 2.
  • the connection itself can be achieved by welding or by using ultrasound. This is particularly appropriate if both the inlet frame 126 (FIG. 2) and the outer ring 130 are made of a plastic.
  • the outer ring 230 in one piece to the inlet frame 226.
  • the inlet frame 226 is made in two parts, one part being designated 225 and the other part 227.
  • the outer ring 230 is made in one piece with the frame part 225.
  • the outer ring 130 can at the same time also be used as a component for mounting a motor driving the axial fan. This is because it is shown that support arms 140 of an engine mount (not shown in more detail) act on the outer ring 130.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Un ventilateur axial sert de préférence à refroidir le moteur à combustion interne d'un véhicule à moteur. Le ventilateur axial comprend un bâti d'admission (26) agencé devant la roue (12) du ventilateur, vu dans le sens d'écoulement du milieu, et une bague (20) agencée aux extrémités libres des aubes de la roue du ventilateur, qui entoure la couronne d'aubes et dont le côté qui fait face à l'écoulement s'élargit en entonnoir, de sorte qu'une fente axiale (28) se forme entre le bâti (26) et la bague (20) du ventilateur. Même sans tolérances relativement étroites de fabrication entre la roue (12) du ventilateur et le bâti d'admission (26), on obtient un ventilateur axial particulièrement silencieux en prévoyant une bague extérieure (30) qui s'étend dans le sens d'écoulement du milieu du bâti d'admission (26) jusqu'à au moins le bord en entonnoir (32) de la bague du ventilateur, de sorte qu'une fente radiale (34) se forme entre celle-ci et la bague extérieure (30).
PCT/DE1989/000051 1988-02-11 1989-01-30 Ventilateur axial WO1989007717A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8989901524T DE58900303D1 (de) 1988-02-11 1989-01-30 Axialluefter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19883804217 DE3804217A1 (de) 1988-02-11 1988-02-11 Axialluefter
DEP3804217.7 1988-02-11

Publications (1)

Publication Number Publication Date
WO1989007717A1 true WO1989007717A1 (fr) 1989-08-24

Family

ID=6347176

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1989/000051 WO1989007717A1 (fr) 1988-02-11 1989-01-30 Ventilateur axial

Country Status (4)

Country Link
EP (1) EP0358731B1 (fr)
JP (1) JPH02503217A (fr)
DE (2) DE3804217A1 (fr)
WO (1) WO1989007717A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0474019A1 (fr) * 1990-09-03 1992-03-11 Nippondenso Co., Ltd. Ventilateur à refroidissement pour véhicule
EP0557239A2 (fr) * 1992-02-18 1993-08-25 Carrier Corporation Ventilateur axial et orifice
EP0569863A1 (fr) * 1992-05-15 1993-11-18 Siemens Electric Limited Ventilateur axial d'un petit profil axial
AU649612B2 (en) * 1989-11-01 1994-06-02 Wjs, Inc. Shroud assembly for axial flow fans
EP0703367A3 (fr) * 1994-09-21 1997-01-08 Lombardini Fab It Motori Spa Système de propulsion d'air pour éclangeurs de chaleur pour moteurs à combustion interne
GB2311562A (en) * 1996-03-28 1997-10-01 Rover Group Fan cowl
EP1890018A1 (fr) * 2006-08-10 2008-02-20 Behr GmbH & Co. KG Dispositif de refroidissement pour un véhicule automobile

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008074307A1 (fr) * 2006-12-18 2008-06-26 Temic Automotive Electric Motors Gmbh Ventilateur axial pour un radiateur de véhicule

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR84439E (fr) * 1961-09-11 1965-02-05 Ventilateur axial
DE2826697A1 (de) * 1977-07-01 1979-01-11 Gen Motors Corp Luftgekuehlter kuehler fuer kraftfahrzeugmotoren
EP0073476A2 (fr) * 1981-08-31 1983-03-09 Nissan Motor Co., Ltd. Enveloppe de ventilateur
GB2116642A (en) * 1982-03-15 1983-09-28 Sueddeutsche Kuehler Behr Axial fan
US4505641A (en) * 1980-03-07 1985-03-19 Aisin Seiki Kabushiki Kaisha Cooling fan for internal combustion engine
DE8612292U1 (fr) * 1986-05-02 1987-01-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR84439E (fr) * 1961-09-11 1965-02-05 Ventilateur axial
DE2826697A1 (de) * 1977-07-01 1979-01-11 Gen Motors Corp Luftgekuehlter kuehler fuer kraftfahrzeugmotoren
US4505641A (en) * 1980-03-07 1985-03-19 Aisin Seiki Kabushiki Kaisha Cooling fan for internal combustion engine
EP0073476A2 (fr) * 1981-08-31 1983-03-09 Nissan Motor Co., Ltd. Enveloppe de ventilateur
GB2116642A (en) * 1982-03-15 1983-09-28 Sueddeutsche Kuehler Behr Axial fan
DE8612292U1 (fr) * 1986-05-02 1987-01-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU649612B2 (en) * 1989-11-01 1994-06-02 Wjs, Inc. Shroud assembly for axial flow fans
EP0474019A1 (fr) * 1990-09-03 1992-03-11 Nippondenso Co., Ltd. Ventilateur à refroidissement pour véhicule
AU651366B2 (en) * 1990-09-03 1994-07-21 Nippondenso Co. Ltd. A cooling fan apparatus for an automobile
EP0557239A2 (fr) * 1992-02-18 1993-08-25 Carrier Corporation Ventilateur axial et orifice
EP0557239B1 (fr) * 1992-02-18 1996-05-01 Carrier Corporation Ventilateur axial et orifice
EP0569863A1 (fr) * 1992-05-15 1993-11-18 Siemens Electric Limited Ventilateur axial d'un petit profil axial
EP0913584A1 (fr) * 1992-05-15 1999-05-06 Siemens Canada Limited Ventilateur axial
EP0703367A3 (fr) * 1994-09-21 1997-01-08 Lombardini Fab It Motori Spa Système de propulsion d'air pour éclangeurs de chaleur pour moteurs à combustion interne
GB2311562A (en) * 1996-03-28 1997-10-01 Rover Group Fan cowl
EP1890018A1 (fr) * 2006-08-10 2008-02-20 Behr GmbH & Co. KG Dispositif de refroidissement pour un véhicule automobile

Also Published As

Publication number Publication date
EP0358731A1 (fr) 1990-03-21
DE3804217A1 (de) 1989-08-24
DE58900303D1 (de) 1991-10-24
EP0358731B1 (fr) 1991-09-18
JPH02503217A (ja) 1990-10-04

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