EP0703367B1 - Air conveying system for internal combustion engine radiators - Google Patents

Air conveying system for internal combustion engine radiators Download PDF

Info

Publication number
EP0703367B1
EP0703367B1 EP95202453A EP95202453A EP0703367B1 EP 0703367 B1 EP0703367 B1 EP 0703367B1 EP 95202453 A EP95202453 A EP 95202453A EP 95202453 A EP95202453 A EP 95202453A EP 0703367 B1 EP0703367 B1 EP 0703367B1
Authority
EP
European Patent Office
Prior art keywords
radiator
fan
edge
internal combustion
blades
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.)
Expired - Lifetime
Application number
EP95202453A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0703367A3 (en
EP0703367A2 (en
Inventor
Giorgio Lombardini
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.)
Lombardini SRL
Original Assignee
Lombardini SRL
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 Lombardini SRL filed Critical Lombardini SRL
Publication of EP0703367A2 publication Critical patent/EP0703367A2/en
Publication of EP0703367A3 publication Critical patent/EP0703367A3/en
Application granted granted Critical
Publication of EP0703367B1 publication Critical patent/EP0703367B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially 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
    • F04D19/00—Axial-flow pumps
    • F04D19/002—Axial flow 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

Definitions

  • This invention relates to a system for conveying the air flow generated by a fan and directed against a cooling radiator, such as the cooling radiator of an internal combustion engine.
  • the fan is positioned generally downstream of or behind the radiator with reference to the vehicle running direction, in order to enhance the air flow spontaneously generated by the vehicle movement.
  • fans which draw air through the radiator are of poor efficiency, this being remedied by encasing them and at least partly tube-enveloping them by providing a cylindrical tube portion fixed to the ends of the fan blades.
  • the fan draws peripheral external air through the space defined between the edge of the channel and the edge of the tube rigid with the fan blades, this air obviously not having passed through the radiator so that not only is the noise reduced, but also the fan efficiency.
  • An air conveying system is shown in EP-A-0543694, comprising a radiator, a casing connecting the edge of this latter to a circular hole and a tube-enveloped fan partly inserted into said hole, its direction of rotation being such that it generates an air flow directed towards the radiator, and the edge of the fan-surrounding tube which is distant from the radiator extending into a portion not containing blades.
  • the object of the present invention is to provide a conveying system for the fan-generated cooling air of a radiator, which has high efficiency and noiseless operation.
  • a tube-enveloped and encased fan directing its air flow towards the radiator, its blades being rigid with an outer tube having that edge on the suction side of the fan contained in a stationary circular channel of U cross-section facing the fan.
  • Figure 1 is a partial vertical section through the invention.
  • Figure 2 shows an enlarged detail of Figure 1.
  • the figures show a normal radiator 1 of the type used in internal combustion engines, its peripheral edge being provided with a casing 2 which converges in usual manner, not shown, into a hole 3.
  • a fan 4 the blades 5 of which are fixed to a hub 6, is partly inserted into the hole 3.
  • the outer edge of the channel 8 is conveniently spaced from the edge of the hole 3 of the casing 2 to create a cylindrical aperture 9.
  • the direction of rotation of the blades 5 is such that they convey air towards the radiator 1.
  • the air conveyed by the blades is drawn partly from the central space of the channel in accordance with the arrows 10, and partly through the cylindrical aperture 9 in accordance with the arrows 11.

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)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
EP95202453A 1994-09-21 1995-09-11 Air conveying system for internal combustion engine radiators Expired - Lifetime EP0703367B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRE940078 1994-09-21
ITRE940078A IT1269656B (it) 1994-09-21 1994-09-21 Sistema di convogliamento aria per radiatori di motori a c.i.

Publications (3)

Publication Number Publication Date
EP0703367A2 EP0703367A2 (en) 1996-03-27
EP0703367A3 EP0703367A3 (en) 1997-01-08
EP0703367B1 true EP0703367B1 (en) 2001-11-28

Family

ID=11398657

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95202453A Expired - Lifetime EP0703367B1 (en) 1994-09-21 1995-09-11 Air conveying system for internal combustion engine radiators

Country Status (4)

Country Link
EP (1) EP0703367B1 (it)
DE (1) DE69524169T2 (it)
ES (1) ES2168332T3 (it)
IT (1) IT1269656B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006047236B4 (de) 2006-10-04 2017-06-29 Mahle International Gmbh Axiallüfter eingerichtet zur Förderung von Kühlluft einer Kühlvorrichtung eines Kraftfahrzeuges
DE102006049076B4 (de) 2006-10-13 2019-09-26 Mahle International Gmbh Axiallüfter eingerichtet zur Förderung von Kühlluft für eine Kühlvorrichtung eines Kraftfahrzeuges
EP2180194A1 (de) * 2008-10-24 2010-04-28 Punker GmbH Gebläseeinrichtung
DE102012207552A1 (de) * 2011-05-13 2012-11-15 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Kühlerlüftermodul
FR3075324B1 (fr) * 2017-12-20 2020-05-15 Valeo Systemes Thermiques Masque acoustique et support pour dispositif de ventilation correspondant

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1156609A (fr) * 1955-09-01 1958-05-19 Paul Pollrich & Comp Bâche d'aspiration pour ventilateurs radiaux et axiaux
US3903960A (en) * 1973-12-26 1975-09-09 Int Harvester Co Fan shroud entrance structure
DE3304297A1 (de) * 1982-03-15 1984-03-15 Süddeutsche Kühlerfabrik Julius Fr. Behr GmbH & Co KG, 7000 Stuttgart Axialgeblaese, insbesondere fuer kuehler einer wassergekuehlten brennkraftmaschine
DE3804217A1 (de) * 1988-02-11 1989-08-24 Bosch Gmbh Robert Axialluefter
DE4014496C1 (en) * 1990-05-07 1991-07-18 Audi Ag, 8070 Ingolstadt, De Cooling system between radiator and engine of motor vehicle - includes plastic section fixed to radiator and guide collar made of soft elastic elastomer which surrounds fan blades
FR2683599B1 (fr) * 1991-11-07 1994-03-04 Ecia Carenage perfectionne pour ventilateur et son application a un groupe motoventilateur d'automobile.

Also Published As

Publication number Publication date
EP0703367A3 (en) 1997-01-08
DE69524169T2 (de) 2002-07-18
DE69524169D1 (de) 2002-01-10
ITRE940078A1 (it) 1996-03-21
EP0703367A2 (en) 1996-03-27
IT1269656B (it) 1997-04-08
ES2168332T3 (es) 2002-06-16
ITRE940078A0 (it) 1994-09-21

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