EP0044348A1 - Moyen de refroidissement, en particulier pour moteurs à combustion interne à refroidissement par un liquide pour véhicules utilitaires - Google Patents

Moyen de refroidissement, en particulier pour moteurs à combustion interne à refroidissement par un liquide pour véhicules utilitaires Download PDF

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Publication number
EP0044348A1
EP0044348A1 EP80104177A EP80104177A EP0044348A1 EP 0044348 A1 EP0044348 A1 EP 0044348A1 EP 80104177 A EP80104177 A EP 80104177A EP 80104177 A EP80104177 A EP 80104177A EP 0044348 A1 EP0044348 A1 EP 0044348A1
Authority
EP
European Patent Office
Prior art keywords
fans
cooler
fan
internal combustion
air
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.)
Withdrawn
Application number
EP80104177A
Other languages
German (de)
English (en)
Inventor
Hermann Ing. Grad. Heeren
Helmut Ing. Grad. Wendler
Dietrich Ing. Grad. Richter
Gerd Ing. Grad. Frantzen
Hans-Jürgen Dipl.-Ing. Zürner
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.)
MAN AG
Original Assignee
MAN Maschinenfabrik Augsburg Nuernberg 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
Application filed by MAN Maschinenfabrik Augsburg Nuernberg AG filed Critical MAN Maschinenfabrik Augsburg Nuernberg AG
Priority to EP80104177A priority Critical patent/EP0044348A1/fr
Publication of EP0044348A1 publication Critical patent/EP0044348A1/fr
Withdrawn legal-status Critical Current

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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
    • 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
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/10—Guiding or ducting cooling-air, to, or from, liquid-to-air heat exchangers

Definitions

  • the invention relates to a cooling device for in particular liquid-cooled internal combustion engines for commercial vehicles and. Like., With an air tube cooler arranged in front of the front side of the internal combustion engine, one or more motor-driven fans and a cooling air duct between the cooler and fan or fans.
  • the cooling tubes of the air tube cooler are smooth tubes and lie horizontally.
  • a long tube length would be desirable for high cooling capacities;
  • relatively short pipes 150 to 200 mm were chosen in the known trachea coolers, and the number of cooling pipes was used to achieve a sufficient cooling capacity simultaneously reduced tube cross section increased. But that was the production of the cooler more difficult and wage-intensive.
  • the requirements for joint technology increase due to the larger number of joints.
  • both the air tube cooler and the fan (s) are generally located on the front side of the internal combustion engine, there are high pressure losses as a result of the inflow and cross-flow around the engine block through the air leaving the fan (s).
  • heat exchangers of the “air tube type” are also known, in which the air flows through vertical tubes, turbulence generators being arranged in the tubes to increase the heat transfer on the air side.
  • turbulence generators being arranged in the tubes to increase the heat transfer on the air side.
  • the invention has for its object to provide a cooling device of the type mentioned, which, given a given cooling capacity and flow area, enables both longer individual pipe lengths and less fan (s) power.
  • the trachea cooler is arranged with vertically or almost vertically extending tubes equipped with turbulence generators, the individual length of the tubes being between approximately 30xd and 70xd, where d is the equivalent diameter in mm that the or Fans are arranged at a point at which the air leaving the fan or fans can flow into the open as freely as possible, and that an inflow elbow is provided for supplying the cooling air to the cooler.
  • a so-called trachea cooler 1 is arranged on the front side in front of the engine block 2 - the engine shaft of which coincides with the longitudinal axis of the vehicle - in such a way that the tubes 3 through which the cooling air flows are perpendicular.
  • the length of the individual tubes, which are equipped with turbulence generators, in particular in the form of circumferential beads provided at certain intervals, is approximately between 30xd and 70xd, where d is the equivalent diameter in mm. (With an inner pipe diameter of 10 mm, this results in pipe lengths of 300 to 700 mm).
  • the equivalent pipe diameter should preferably be 10 mm and larger values.
  • an inflow elbow 4 is provided, through which the axially arriving cooling air is deflected by 90 ° in the direction of the upper tube ends.
  • the air emerging from the air tube cooler at the lower end is passed via a corresponding guide in the form of a downpipe 5 to two fans 6 of axial type, which are arranged below or to the side of the oil pan of the engine block 2.
  • the fans 6 can - alternatively - also be arranged laterally next to the engine block, above the engine block or corresponding locations where the air leaving the fans can flow out as freely as possible.
  • the fans 6 can be driven by an electric drive 7 in a manner known per se. In motor vehicles, the fans 6 are expediently switched on and off in a temperature-controlled manner. The fans support the draft at low speeds.
  • the fans 6 must then be arranged laterally or above the engine block 2.
  • the diameter of the tubes 3 is appropriately circular, but other cross-sectional shapes are also possible.
  • the tubes are preferably widened at the ends to form a hexagon and connected in a heat-transfer-medium-tight manner via the hexagon side surfaces.
  • An “air tube cooler” is to be understood as a cooler in which the cooling air flows through the tubes 3, while the fluid to be cooled, in particular water, rinses the tubes 3 on the outside.
  • coolers for recooling liquid heated in the engine block or charge air coolers are mentioned as application examples. (With charge air coolers, the charge air rinses the pipes outside.)
  • coolers can also be used for the condensation of a cooling medium in the evaporative cooling (boiling cooling) known per se.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP80104177A 1980-07-17 1980-07-17 Moyen de refroidissement, en particulier pour moteurs à combustion interne à refroidissement par un liquide pour véhicules utilitaires Withdrawn EP0044348A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP80104177A EP0044348A1 (fr) 1980-07-17 1980-07-17 Moyen de refroidissement, en particulier pour moteurs à combustion interne à refroidissement par un liquide pour véhicules utilitaires

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP80104177A EP0044348A1 (fr) 1980-07-17 1980-07-17 Moyen de refroidissement, en particulier pour moteurs à combustion interne à refroidissement par un liquide pour véhicules utilitaires

Publications (1)

Publication Number Publication Date
EP0044348A1 true EP0044348A1 (fr) 1982-01-27

Family

ID=8186721

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80104177A Withdrawn EP0044348A1 (fr) 1980-07-17 1980-07-17 Moyen de refroidissement, en particulier pour moteurs à combustion interne à refroidissement par un liquide pour véhicules utilitaires

Country Status (1)

Country Link
EP (1) EP0044348A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0449129A1 (fr) * 1990-03-29 1991-10-02 Klöckner-Humboldt-Deutz Aktiengesellschaft Moteur à combustion interne
ES2111442A2 (es) * 1993-07-10 1998-03-01 Mtu Friedrichshafen Gmbh Dispositivo de refrigeracion para motores de combustion interna.
US7404293B2 (en) 2004-07-22 2008-07-29 Yamaha Marine Kabushiki Kaisha Intake system for supercharged engine
US7458369B2 (en) 2004-09-14 2008-12-02 Yamaha Marine Kabushiki Kaisha Supercharger lubrication structure
US7458868B2 (en) 2005-08-29 2008-12-02 Yamaha Marine Kabushiki Kaisha Small planing boat

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH16464A (de) * 1898-03-19 1898-11-30 Gottlieb Daimler Apparat zum Kühlen des die Cylinder von Explosionsmotoren umströmenden Wassers
FR383701A (fr) * 1907-11-08 1908-03-16 Louis Rigoly Dispositif de refroidissement pour moteurs de voitures automobiles
DE411371C (de) * 1925-03-27 Waggon Und Maschb Akt Ges Goer Einrichtung zur Kuehlwasserkuehlung auf Lokomotiven mit Antrieb durch Brennkraftmaschinen
US1966787A (en) * 1931-03-27 1934-07-17 Sulzer Ag Cooling fan for vehicles driven by internal combustion engines
DE1788226U (de) * 1958-12-05 1959-05-06 Voith Gmbh J M Kuehleinrichtung fuer fluessigkeitsgekuehlte brennkraftmaschinen von fahrzeugen.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE411371C (de) * 1925-03-27 Waggon Und Maschb Akt Ges Goer Einrichtung zur Kuehlwasserkuehlung auf Lokomotiven mit Antrieb durch Brennkraftmaschinen
CH16464A (de) * 1898-03-19 1898-11-30 Gottlieb Daimler Apparat zum Kühlen des die Cylinder von Explosionsmotoren umströmenden Wassers
FR383701A (fr) * 1907-11-08 1908-03-16 Louis Rigoly Dispositif de refroidissement pour moteurs de voitures automobiles
US1966787A (en) * 1931-03-27 1934-07-17 Sulzer Ag Cooling fan for vehicles driven by internal combustion engines
DE1788226U (de) * 1958-12-05 1959-05-06 Voith Gmbh J M Kuehleinrichtung fuer fluessigkeitsgekuehlte brennkraftmaschinen von fahrzeugen.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Kaltetechnik, Band 23, Nr. 2, 1971 * anzeige der Wieland-Werke AG * *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0449129A1 (fr) * 1990-03-29 1991-10-02 Klöckner-Humboldt-Deutz Aktiengesellschaft Moteur à combustion interne
ES2111442A2 (es) * 1993-07-10 1998-03-01 Mtu Friedrichshafen Gmbh Dispositivo de refrigeracion para motores de combustion interna.
US7404293B2 (en) 2004-07-22 2008-07-29 Yamaha Marine Kabushiki Kaisha Intake system for supercharged engine
US7458369B2 (en) 2004-09-14 2008-12-02 Yamaha Marine Kabushiki Kaisha Supercharger lubrication structure
US7458868B2 (en) 2005-08-29 2008-12-02 Yamaha Marine Kabushiki Kaisha Small planing boat

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): FR GB IT NL SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19830101

RIN1 Information on inventor provided before grant (corrected)

Inventor name: ZUERNER, HANS-JUERGEN, DIPL.-ING.

Inventor name: WENDLER, HELMUT, ING. GRAD.

Inventor name: FRANTZEN, GERD, ING. GRAD.

Inventor name: RICHTER, DIETRICH, ING. GRAD.

Inventor name: HEEREN, HERMANN, ING. GRAD.