EP2486255B1 - Système de refroidissement, notamment pour un moteur à combustion interne - Google Patents

Système de refroidissement, notamment pour un moteur à combustion interne Download PDF

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Publication number
EP2486255B1
EP2486255B1 EP10768444.1A EP10768444A EP2486255B1 EP 2486255 B1 EP2486255 B1 EP 2486255B1 EP 10768444 A EP10768444 A EP 10768444A EP 2486255 B1 EP2486255 B1 EP 2486255B1
Authority
EP
European Patent Office
Prior art keywords
cooling system
valve
float
expansion tank
cooling circuit
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.)
Not-in-force
Application number
EP10768444.1A
Other languages
German (de)
English (en)
Other versions
EP2486255A1 (fr
Inventor
Markus Amrhein
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.)
Mahle Behr GmbH and Co KG
Mahle Behr Industry GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
Behr Industrieanlagen GmbH and Co KG
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 Behr GmbH and Co KG, Behr Industrieanlagen GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP2486255A1 publication Critical patent/EP2486255A1/fr
Application granted granted Critical
Publication of EP2486255B1 publication Critical patent/EP2486255B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/0204—Filling
    • 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
    • F01P2025/00—Measuring
    • F01P2025/70—Level

Definitions

  • the invention relates to a cooling system, in particular for an internal combustion engine, according to the preamble of claim 1.
  • the shut-off member is designed as a float valve, wherein in particular a float is disposed within the surge tank.
  • float valves provide a reliable, low-maintenance and especially purely mechanical solution to an automatic shut-off of the filling during the filling to guaran th.
  • the float valve is arranged as a shut-off valve in the filling, wherein the filling line from the float valve to the lower Area of the cooling circuit leads.
  • the float valve comprises a linearly movable valve slide, wherein the valve slide forms a closure between a float side and a line side of the float valve.
  • the shut-off member is designed as a level controller.
  • the level controller is particularly preferably formed mechanically, so that can be dispensed with a circuit for operating the level controller.
  • a shuttle line leads from the surge tank to the level controller.
  • the total of not more than two manually operated valves are provided, namely exactly one inflow valve and exactly one drain valve.
  • a required there control valve can be saved compared to the prior art.
  • the cooling system according to the invention is part of an internal combustion engine of a locomotive.
  • the cooling system according to the invention advantageously comprises a total amount of coolant of more than 100 liters, in particular of more than 500 liters. With such quantities of coolant, the advantages of the invention are particularly evident due to the long filling times.
  • Known, known cooling system comprises a cooling circuit 1 ', which is connected to a arranged with respect to gravity above the expansion tank 2' by means of a compensation line 3 '.
  • refrigerant is passed into a first branch a or b in a second branch, wherein the first branch a in a lower region or sump of the cooling circuit 1' opens.
  • the second branch b opens via a float valve 7 'in an upper region of the surge tank 2', wherein in the region of the confluence a drain valve 8 'is provided.
  • a sight glass 2a' is provided in the surge tank 2 ' also a sight glass 2a' is provided.
  • the first embodiment of a cooling system according to the invention Fig. 2 includes in the same arrangement as in the prior art, a cooling circuit 1 with arranged above the expansion tank 2, which is connected via a compensation line 3. Likewise, there is a filling line 4, which can be flowed through in the region of a connection by means of an inflow valve 5 with coolant for filling the cooling system.
  • the shut-off member 7 is designed as a float valve, so that the filling line 4 is blocked in dependence on a coolant level (dashed line) in the expansion tank 2.
  • the coolant can not flow directly through the float valve 7 in the surge tank 2, but arranged within the surge tank 2 float 7a of the float valve 7 serves only as a mechanical filling level sensor actuation of the blocking of the completely outside the surge tank 2 extending filling line 4th
  • Fig. 3 shows a sketch of a possible, but not necessary realization of such a float valve 7.
  • the float valve 7 is flanged by means of a flange plate 7b at a lateral opening in the expansion tank 2. on the flange plate is a hollow cylindrical passage 7 c, in which a cylindrical valve spool 7 d is received.
  • the valve spool 7 d is connected via a link mechanism 7 e to the float 7 a, so that a lifting of the float 7 a movement of the valve spool 7 e in the closing direction, or in Fig. 3 to the right, causes.
  • an end seal 7f of the valve spool 7d lies in a valve seat 7g, whereby a flow through the float valve from an inlet 7h to an outlet 7i is closed.
  • the valve spool 7d of the float valve 7 thus forms a closure in each position between the float side or the interior of the expansion tank and the line side or the area of the float valve 7 through which coolant can flow.
  • the second embodiment according to the invention Fig. 4 differs from the example Fig. 2 only in that instead of the float valve 7, a mechanical level controller 9 is provided as a concrete formation of the automatic shut-off, by means of which the Fill line 4 is blocked when reaching a predetermined level in the expansion tank.
  • a mechanical level controller 9 is provided as a concrete formation of the automatic shut-off, by means of which the Fill line 4 is blocked when reaching a predetermined level in the expansion tank.
  • an air-conducting pendulum line 10 leads from the expansion tank to the level controller 9, which is arranged on the outside of the expansion tank.
  • the level controller 9 may be formed in any known manner.
  • the mechanical level controller is shown as a rectangular symbol in which a branch and a gate valve are arranged.
  • the cooling systems described above are used in diesel engine locomotives, respectively.
  • the filling amount of the cooling circuit 1 is typically about 700 l, the reservoir having a capacity of about 140 l.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Claims (9)

  1. Système de refroidissement, en particulier pour un moteur à combustion interne, comprenant
    un circuit de refroidissement (1) destiné à la circulation d'un agent de refroidissement liquide,
    et un réservoir de compensation (2) qui est relié au circuit de refroidissement (1) pendant le fonctionnement par l'intermédiaire d'une conduite de compensation (3) et qui est agencé au moins en partie au-dessus du circuit de refroidissement (1),
    dans lequel une conduite de remplissage (4) est prévue pour remplir le circuit de refroidissement (1) et conduit d'un raccord à une zone inférieure du circuit de refroidissement (1),
    caractérisé en ce que la conduite de remplissage (4) peut être bouchée par un organe de fermeture (7, 9) automatique qui ferme automatiquement la conduite de remplissage (4) lorsqu'un niveau prédéterminé est atteint dans le réservoir de compensation (2).
  2. Système de refroidissement selon la revendication 1, caractérisé en ce que l'organe de fermeture (7) est conçu comme une vanne à flotteur, un flotteur (7a) étant agencé en particulier à l'intérieur du réservoir de compensation (2).
  3. Système de refroidissement selon la revendication 2, caractérisé en ce que la vanne à flotteur (7) est agencée comme vanne de fermeture dans la conduite de remplissage (4), la conduite de remplissage (4) conduisant de la vanne à flotteur (7) à la zone inférieure du circuit de refroidissement (1).
  4. Système de refroidissement selon la revendication 2 ou 3, caractérisé en ce que la vanne à flotteur (7) comprend un tiroir de vanne (7d) à déplacement linéaire, le tiroir de vanne (7d) formant un obturateur entre un côté flotteur et un côté conduite de la vanne à flotteur (7).
  5. Système de refroidissement selon l'une des revendications précédentes, caractérisé en ce que l'organe de fermeture (9) est conçu comme un régulateur de niveau en particulier mécanique.
  6. Système de refroidissement selon la revendication 5, caractérisé en ce que le régulateur de niveau (9) est agencé sur le récipient de compensation (2), une conduite de récupération (10) conduisant en particulier du réservoir de compensation (2) au régulateur de niveau (9).
  7. Système de refroidissement selon l'une des revendications précédentes, caractérisé en ce qu'il est prévu au total pas plus de deux vannes (5, 8) actionnées manuellement, à savoir exactement une vanne d'afflux (5) et exactement une vanne de vidange (8).
  8. Système de refroidissement selon l'une des revendications précédentes, caractérisé en ce que le système de refroidissement fait partie d'un moteur à combustion interne d'une locomotive.
  9. Système de refroidissement selon l'une des revendications précédentes, caractérisé en ce que la quantité totale d'agent de refroidissement est égale à plus de 100 litres, en particulier plus de 500 litres.
EP10768444.1A 2009-10-09 2010-10-08 Système de refroidissement, notamment pour un moteur à combustion interne Not-in-force EP2486255B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009048997A DE102009048997A1 (de) 2009-10-09 2009-10-09 Kühlsystem, insbesondere für einen Verbrennungsmotor
PCT/EP2010/065110 WO2011042544A1 (fr) 2009-10-09 2010-10-08 Système de refroidissement, notamment pour un moteur à combustion interne

Publications (2)

Publication Number Publication Date
EP2486255A1 EP2486255A1 (fr) 2012-08-15
EP2486255B1 true EP2486255B1 (fr) 2017-07-19

Family

ID=43382466

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10768444.1A Not-in-force EP2486255B1 (fr) 2009-10-09 2010-10-08 Système de refroidissement, notamment pour un moteur à combustion interne

Country Status (3)

Country Link
EP (1) EP2486255B1 (fr)
DE (1) DE102009048997A1 (fr)
WO (1) WO2011042544A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112412610A (zh) * 2020-11-11 2021-02-26 陶晨 一种开沟机用发动机冷却液自动加注机构

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB665526A (en) * 1949-08-25 1952-01-23 Fell Developments Ltd Improvements in and relating to cooling systems for the engines of a multi-engined vehicle
GB931087A (en) * 1959-12-17 1963-07-10 Gratzmuller Jean Louis Cooling systems for internal combustion engines
US3168080A (en) * 1964-02-10 1965-02-02 Dow Chemical Co Boiling cooling system
US3409218A (en) * 1967-03-21 1968-11-05 Union Carbide Corp Apparatus for cleaning and filling automotive engine cooling systems
AT375446B (de) * 1982-05-12 1984-08-10 List Hans Vorrichtung zum erstauffuellen einer einen schmier - und/oder kuehlmediumkreislauf aufweisenden maschine, insbesondere brennkraftmaschine
JPH06102975B2 (ja) * 1986-01-10 1994-12-14 日産自動車株式会社 内燃機関の沸騰冷却装置
DE3716555A1 (de) * 1987-05-18 1988-12-08 Bayerische Motoren Werke Ag Befuell-, entlueftungs- und drucksteuer-vorrichtung fuer den fluessigkeits-kuehlkreis von kraft- und arbeitsmaschinen, insbesondere brennkraftmaschinen
US5097894A (en) * 1991-07-05 1992-03-24 Roland Cassia Vehicular flushing and draining apparatus and method
US5390636A (en) * 1994-02-14 1995-02-21 Wynn Oil Company Coolant transfer apparatus and method, for engine/radiator cooling system
DE19547493C1 (de) * 1995-12-19 1997-03-27 Daimler Benz Ag Verfahren zur Erstbefüllung eines Fluidkreislaufes
US6532910B2 (en) * 2001-02-20 2003-03-18 Volvo Trucks North America, Inc. Engine cooling system
DE102007031067A1 (de) * 2007-07-04 2009-01-08 GM Global Technology Operations, Inc., Detroit Kühlmittelausgleichsbehälter für ein Kraftfahrzeug

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2011042544A1 (fr) 2011-04-14
DE102009048997A1 (de) 2011-04-14
EP2486255A1 (fr) 2012-08-15

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