EP0870911B1 - Moteur a combustion interne avec des circuits séparées pour l'eau de refroidissement ainsi que des lubrifiant et/ou d'huile de transmission - Google Patents

Moteur a combustion interne avec des circuits séparées pour l'eau de refroidissement ainsi que des lubrifiant et/ou d'huile de transmission Download PDF

Info

Publication number
EP0870911B1
EP0870911B1 EP98103583A EP98103583A EP0870911B1 EP 0870911 B1 EP0870911 B1 EP 0870911B1 EP 98103583 A EP98103583 A EP 98103583A EP 98103583 A EP98103583 A EP 98103583A EP 0870911 B1 EP0870911 B1 EP 0870911B1
Authority
EP
European Patent Office
Prior art keywords
internal combustion
combustion engine
water
heat exchanger
oil
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
EP98103583A
Other languages
German (de)
English (en)
Other versions
EP0870911A3 (fr
EP0870911A2 (fr
Inventor
Christian Absmeier
Martin Brielmair
Ludwig Müller
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke 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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP0870911A2 publication Critical patent/EP0870911A2/fr
Publication of EP0870911A3 publication Critical patent/EP0870911A3/fr
Application granted granted Critical
Publication of EP0870911B1 publication Critical patent/EP0870911B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/005—Controlling temperature of lubricant
    • F01M5/007—Thermostatic control
    • 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
    • F01P3/00—Liquid cooling
    • F01P3/20—Cooling circuits not specific to a single part of engine or machine
    • 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
    • F01P2025/08—Temperature
    • F01P2025/30—Engine incoming fluid temperature
    • 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
    • F01P2060/00—Cooling circuits using auxiliaries
    • F01P2060/04—Lubricant cooler
    • 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
    • F01P2060/00—Cooling circuits using auxiliaries
    • F01P2060/04—Lubricant cooler
    • F01P2060/045—Lubricant cooler for transmissions

Definitions

  • the invention relates to an internal combustion engine with separate Circulations for cooling water as well as lubricating and / or gear oil.
  • Such an internal combustion engine is for example from DE-OS 25 23 436 known.
  • the machine-side short circuit is valve-free and in designed such a diameter that the regulation of the Coolant temperature of the internal combustion engine via a bypass circuit arranged thermostatic valve including an air / water heat exchanger is achieved.
  • This known training is only for internal combustion engines suitable in a narrow, predetermined Output their performance.
  • For vehicles intended strongly dynamic internal combustion engines leads this well-known Arrangement of circuits for different operating fluids in one strongly changing control behavior with possibly unfavorably high Coolant temperatures.
  • the intermediate temperature range is the inner cooling circuit and the outer cooling circuit the internal combustion engine with each other via a further valve coupled that this valve designed as a 3-way valve depending on the Temperature of the flowing out of the water / lubricating oil heat exchanger Lubricating oil is controlled to achieve one of a cold and one warm cooling water portion mixed inlet of the water / lubricating oil heat exchanger.
  • the lubricating oil temperature can be analogous to the above State of the art serve an electrical temperature sensor whose signals the control of a drive connection connected to the 3-way valve Servo motor serve.
  • the lubricating oil can be one thermostatic connected to the 3-way valve Be supplied device, the main danger being that at damage to such an arrangement, the liquids in each breach other circuit of the internal combustion engine and the failure of Lead internal combustion engine.
  • both of the above arrangements also construction-intensive.
  • a cooling circuit is shown and described Internal combustion engine of vehicles with a main cooling circuit, comprising a coolant cooler, a coolant pump, and an engine thermostat that the coolant cooler above a predetermined coolant temperature returns controlled in the cooling circuit, one in the coolant cooler integrated low-temperature cooler and a separate heat exchanger to alternately preheat and cool an operating oil using the Coolant from the cooling circuit.
  • This heat exchanger is coolant from the low temperature cooler and / or heated coolant from an expansion tank of the cooling circuit via e.g. thermostatically controlled valve unit supplied.
  • This Valve unit is in an elaborate design in the bottom area of the Expansion tank arranged to control a line for the hot inlet from the coolant circuit and a line for the cold inlet from the Low-temperature cooler for controlled transfer of the temperature-controlled Coolant into a separate flow line to the water-oil heat exchanger, which in turn has a separate return line with one with the Cooling circuit connected return line of the expansion tank in Connection is established.
  • Figure 5 of the drawing of the aforementioned Both documents show that the spatially separated arrangement of Water-oil heat exchangers and expansion tanks are spatially complicated laying pipelines.
  • EP 0 499 071 A1 includes a cooling system for vehicles Internal combustion engine known to have multiple cooling circuits with these includes assigned heat exchangers for different media, from a first for cooling the engine cooling water, a second for cooling the engine oil using engine cooling water and a third one to cool the charge air is determined by engine cooling water.
  • each with a separate air-water heat exchanger comprehensive cooling circuits are each equipped with temperature sensors, whose signals are fed to a central electronic control unit for Control of the cooling capacity in the respective cooling circuit, each Cooling circuit with means for individually influencing the cooling capacity Is provided.
  • each Cooling circuit with means for individually influencing the cooling capacity Is provided.
  • the invention has for its object, in particular highly dynamically operated internal combustion engine with separate Cooling circuits for cooling water as well as lubricating and / or gear oil respective heat exchangers a coolant control especially for Phase of heating the internal combustion engine in such a way with a simple structure shape that the temperature of a water-oil heat exchanger flowing cooling water in the temperature level the temperatures further devices connected to the cooling circuit can be adapted inexpensively.
  • the operating opening point of the opposite the water-oil heat exchanger associated valve device a heat exchanger input control can be set significantly higher with the Advantage of a higher temperature cooling water in the drain of the water-oil heat exchanger, with which the temperature level of the above Exchanging cooling water in the warming up or warming up phase the internal combustion engine advantageous to the temperature level of the inside Coolant circuit or cooling water circulating in a short circuit raised can be.
  • the warm-up of the internal combustion engine is thus significantly shortened, the cooling water circulation in the inner and outer coolant circuit Internal combustion engine by means of the short circuit in the machine side provided thermostatic valve for the entire speed and Power range of the internal combustion engine is optimally adjustable.
  • the expansion element can have a Electric heating element that is equipped with signals from an oil sump arranged the internal combustion engine drive unit additional temperature sensor can be controlled.
  • Another embodiment of the invention is characterized by a Use at map controlled / regulated cooling water temperatures of the Internal combustion engine of 100 ° C and above.
  • the invention is illustrated schematically in the drawing Described embodiment.
  • One on the one hand from the cooling water of an internal combustion engine 1 and on the other hand from Heat exchanger 2 loaded with lubricating and gear oil is different on the inlet side tempered flows of cooling water for alternate heating and cooling of the oils acted on in a valve-controlled manner, one arranged on the inlet side Valve device 3 as a function of a temperature on the outlet side one of the liquids is controlled.
  • the cooling water of the internal combustion engine 1 is warmed up via a Thermostats 4 circulated in the short circuit for rapid heating of the internal combustion engine 1 at operating temperature.
  • Cooling water of the internal combustion engine 1 is acted on in a valve-controlled manner at an early stage Heating the lubricating oil of the internal combustion engine 1.
  • This stands for a cooling water inlet 5 of the heat exchanger 2 via its outlet 6 in connection standing valve device 3 with its hot inlet 7 via a line 8 a connecting the internal combustion engine 1 with an air / water heat exchanger 9 Lead 10 in connection.
  • Via a cooling water outlet 11 of the water / oil heat exchanger 2 is the cooling water via a line 12 and one Pump 13 supplied to the short circuit of the internal combustion engine 1.
  • the Valve device 3 also has a cold inlet 14, which has a line 15 connected to a low-temperature cooler 9 'of the air / water heat exchanger 9 is.
  • valve device To control the cooling water flows at different temperatures via the hot inlet 7 and the cold inlet 14, the valve device comprises 3 valves 16 and 17. These valves 16 and 17 can each be controlled separately, for example, under map control can be operated by a separate servomotor (not shown).
  • valves 16 and 17 are in mutual fixed distance arranged operated together. As from the drawing is the valve 16 controlling the hot inlet 7 in the open position and the valve 17 controlling the cold inlet 14 is controlled in the closed position. This at the beginning A warm-up phase of the internal combustion engine 1 is common with the valve position increasing heating of the internal combustion engine 1 in a controlled manner such that supplied via the hot inlet 7 hot cooling water with the cold inlet 14 supplied cooled cooling water through corresponding open positions of the two valves 16 and 17 are mixed in the valve unit 3 and thus that Cooling water supplied to the inlet 5 of the heat exchanger 2 via the outlet 6 has a mixing temperature.
  • Cooling water to avoid a delayed warm-up phase of the internal combustion engine 1 is according to the invention in the outlet 11 of the water / oil heat exchanger 2 a temperature sensor 18 for the cooling water used for heating and cooling arranged to control the hot inlet 7 and the cold inlet 14 associated valves 16 and 17 of the valve device 3.
  • the advantage of the invention Arrangement of the temperature sensor 18 in the outlet 11 of the heat exchanger 2 is that the merged via the valve device 3 different tempered cooling water flows in the heat exchanger 2 over long flow paths are well mixed with one in the outlet 11 of the heat exchanger 2 each relatively constant temperature.
  • the inlet 5 is cooler, can be arranged with the temperature sensor according to the invention 18 a much higher activation temperature for actuation the valves 16 and 17 may be selected.
  • a relatively high selectable activation temperature of the temperature sensor 18 a high control quality and a relatively high temperature level from the Drain 11 via line 12 and the pump 13 in the short-circuit Internal combustion engine 1 during the warm-up phase inflowing cooling water.
  • valve device 3 which is simple in construction, is used as a temperature sensor 18 a wax-filled expansion element 19 with a rod-like piston 20 provided, the piston 20 arranged at such a distance Valve plate 16 ', 17' carries that at each maximum stroke of the piston 20 a valve plate 16 'or 17' in the open position and the other valve plate 17 'or 16' in Is in the closed position.
  • this is as a separate component is formed with one between the valves 16, 17 arranged drain 6 through which the valve device 3 with the inlet 5 of the Heat exchanger 2 is tightly connectable, one of two sections 20 ', 20 " Couplable piston 20, the valve unit 3 with the heat exchanger drain 11 arranged expansion element 19 connects.
  • the one controlled according to the invention is used Heat exchanger 2 also for alternately heating and cooling the oil one Gear 21, which forms a drive unit 22 with the internal combustion engine 1.
  • Different oils of a drive unit 22 can either, as shown, via a common water / oil heat exchanger designed according to the invention 2 or heated or heated or cooled via separate heat exchangers 2 become.
  • Such a transmission heating / cooling concept can be advantageous in its effect can be increased in that the expansion element 19 with a, not shown, Electric heating element is equipped, which signals one in one Oil sump of the drive assembly 22 arranged, additional temperature sensor is controllable. In this way, the control temperature of the valve device 3 be shifted to higher temperatures for rapid heating the oils of the drive unit 22 with the warm-up hardly delayed To reach internal combustion engine 1.

Claims (3)

  1. Moteur à combustion interne avec des circuits séparés pour l'eau de refroidissement ainsi que pour les lubrifiants et/ou l'huile de transmission,
    ce moteur à combustion interne est alors relié, dans le circuit d'eau de refroidissement du moteur à combustion interne (1) équipé d'une pompe (13), à un échangeur de chaleur air-eau (9) via une canalisation montante (10) et via une canalisation descendante (10') commandée à l'aide d'un thermostat (4) et,
    l'eau de refroidissement circule, via le thermostat (4) relié à la canalisation montante (10), lors du fonctionnement à chaud du moteur à combustion interne (1) en court-circuit,
    un échangeur de chaleur eau-huile (2) séparé, équipé d'un dispositif de soupape (3) construit séparément, est prévu pour réchauffer et refroidir indifféremment le lubrifiant et/ou l'huile de transmission à l'aide de l'eau de refroidissement,
    le dispositif de soupape comprend, dans ce cas, des disques de soupape (16', 17') placé à une distance réciproque sur un piston (20) en forme de tige pouvant être commandé afin de commander une alimentation chaude (7) reliée, via la canalisation (8), à la canalisation montante (10) et une alimentation froide reliée, via une canalisation (15), à un radiateur à basse température (9') placé dans un échangeur de chaleur air-eau (9) et
    l'échangeur de chaleur eau-huile (2) relié, via une alimentation (5), à un écoulement (6) du dispositif de soupape (3) placé entre les soupapes (16, 17) est connecté côté aspiration à la pompe (13), via une canalisation (12) à l'aide d'un écoulement (11) ;
    un élément extensible (19) servant de capteur de température est placé dans l'écoulement (11), afin d'assurer une action de commande, sur le piston (20) supportant les disques de soupape (16', 17') pour une alimentation chaude et une alimentation froide ;
    le piston (20) est, le cas échéant, formé par connexion de deux parties (20' et 20").
  2. Moteur à combustion interne selon la revendication 1,
    caractérisé en ce que
    l'élément extensible (19) est équipé d'un élément de chauffage électrique pouvant être déclenché par les signaux d'un capteur de température supplémentaire placé dans un carter d'huile d'un groupe générateur de pression (22) entourant le moteur à combustion interne (1).
  3. Moteur à combustion interne selon la revendication 1 ou 2,
    caractérisé par
    une utilisation à des températures d'eau de refroidissement de réseaux de caractéristiques définis ou réglés du moteur à combustion interne (1) de 100 °C et plus.
EP98103583A 1997-04-12 1998-03-02 Moteur a combustion interne avec des circuits séparées pour l'eau de refroidissement ainsi que des lubrifiant et/ou d'huile de transmission Expired - Lifetime EP0870911B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19715324 1997-04-12
DE19715324A DE19715324A1 (de) 1997-04-12 1997-04-12 Wärmetauscher für flüssige Wärmetauschmittel

Publications (3)

Publication Number Publication Date
EP0870911A2 EP0870911A2 (fr) 1998-10-14
EP0870911A3 EP0870911A3 (fr) 1999-07-07
EP0870911B1 true EP0870911B1 (fr) 2004-06-02

Family

ID=7826343

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98103583A Expired - Lifetime EP0870911B1 (fr) 1997-04-12 1998-03-02 Moteur a combustion interne avec des circuits séparées pour l'eau de refroidissement ainsi que des lubrifiant et/ou d'huile de transmission

Country Status (4)

Country Link
US (1) US6053131A (fr)
EP (1) EP0870911B1 (fr)
DE (2) DE19715324A1 (fr)
ES (1) ES2218724T3 (fr)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19942727A1 (de) * 1999-09-08 2001-03-15 Zahnradfabrik Friedrichshafen Kühlkreislauf
DE19943004B4 (de) * 1999-09-09 2004-11-18 Dr.Ing.H.C. F. Porsche Ag Kühleinrichtung für eine Brennkraftmaschine
US6497202B2 (en) * 2000-02-22 2002-12-24 Stac Inc. Engine fluid cooling systems and methods
DE10019029C5 (de) * 2000-04-18 2017-11-23 Mahle International Gmbh Vorrichtung zum Kühlen und/oder Temperieren von Öl
US6427640B1 (en) * 2000-10-11 2002-08-06 Ford Global Tech., Inc. System and method for heating vehicle fluids
JP3942836B2 (ja) * 2001-03-09 2007-07-11 ジヤトコ株式会社 車両用自動変速機の作動油冷却装置
DE60325436D1 (de) * 2002-03-27 2009-02-05 Calsonic Kansei Corp Kühlungseinrichtung einer wassergekühlten Brennkraftmascine und Getriebeölkühlermodul
DE10226928A1 (de) * 2002-06-17 2004-01-08 Siemens Ag Verfahren zum Betrieb einer flüssigkeitsgekühlten Brennkraftmaschine
GB0220480D0 (en) * 2002-09-04 2002-10-09 Ford Global Tech Inc A motor vehicle and a thermostatically controlled valve therefor
GB0224068D0 (en) * 2002-10-16 2002-11-27 Ford Global Tech Inc Engine oil cooling
DE10301448B4 (de) * 2003-01-10 2013-04-04 Behr Thermot-Tronik Gmbh Vorrichtung zur Temperierung von Schmieröl eines Kraftfahrzeugs
GB0310122D0 (en) * 2003-05-02 2003-06-04 Ford Global Tech Llc Temperature responsive flow control valves for engine cooling systems
GB0310120D0 (en) * 2003-05-02 2003-06-04 Ford Global Tech Llc Engine cooling systems
DE10332949A1 (de) * 2003-07-19 2005-02-10 Daimlerchrysler Ag Vorrichtung zum Kühlen und Vorwärmen
ES2249094B1 (es) * 2003-07-29 2007-06-01 Valeo Termico, S.A. Sistema de regulacion de la temperatura del aceite para vehiculos equipados con un circuito de refrigeracion de liquidos y su correspondiente procedimiento.
JP4196802B2 (ja) * 2003-10-07 2008-12-17 株式会社デンソー 冷却水回路
US7047913B2 (en) * 2004-02-13 2006-05-23 Deere & Company Cooling system for a vehicle
DE102004024516A1 (de) * 2004-05-18 2005-12-15 Adam Opel Ag Optimierte Ölkühlung für eine Brennkraftmaschine
FR2871516B1 (fr) * 2004-06-15 2006-08-25 Renault Sas Systeme de refroidissement pour moteur de vehicule a circuit d'eau et circuit d'huile
DE102004061426A1 (de) 2004-12-21 2006-07-06 Daimlerchrysler Ag System und Verfahren zum Temperieren eines Motoröls einer Brennkraftmaschine eines Kraftfahrzeugs
GB2433585B (en) * 2005-12-22 2011-11-23 Ford Global Tech Llc Engine coolant system
DE102009032647A1 (de) * 2009-07-08 2011-01-13 Illinois Tool Works Inc., Glenview Kühlsystem für eine Verbrennungskraftmaschine
KR101141712B1 (ko) * 2009-10-16 2012-05-03 나완용 작동효율이 개선된 변속기용 열교환기
JP5694712B2 (ja) * 2010-09-10 2015-04-01 株式会社マーレ フィルターシステムズ オイルクーラ
US9896979B2 (en) 2011-02-23 2018-02-20 GM Global Technology Operations LLC System and method for controlling a temperature of oil in a power-plant of a vehicle
GB2510802A (en) * 2012-11-09 2014-08-20 Thermal Integration Ltd Fluid-heating apparatus
US10378421B2 (en) * 2014-09-19 2019-08-13 Ford Global Technologies, Llc Automatic transmission fluid thermal conditioning system
US9964019B2 (en) 2014-11-19 2018-05-08 Ford Global Technologies, Llc Method and system for a dual loop coolant system
CN104454077B (zh) * 2014-12-27 2018-03-13 长城汽车股份有限公司 机油冷却器和发动机冷却系统及其控制方法
US10253679B2 (en) 2015-08-04 2019-04-09 Honda Motor Co., Ltd. Vehicle thermal management system, and methods of use and manufacture thereof
DE102016005881A1 (de) * 2016-05-13 2017-11-16 Man Truck & Bus Ag Vorrichtung zum Erwärmen von Schmieröl
JP6572824B2 (ja) * 2016-05-18 2019-09-11 株式会社デンソー 車両用冷却装置
CN105888771B (zh) * 2016-05-25 2018-06-22 上海交通大学 一种机油滤清、冷却与预热集成系统及方法
FR3059610A1 (fr) * 2016-12-01 2018-06-08 Peugeot Citroen Automobiles Sa Procede de regulation d’une temperature d’huile de boite de vitesses
FR3066535B1 (fr) * 2017-05-16 2021-04-16 Peugeot Citroen Automobiles Sa Procede de regulation d’une temperature d’huile de lubrification d’un moteur thermique
JP6919552B2 (ja) * 2017-12-22 2021-08-18 株式会社デンソー 冷却回路及びオイルクーラ
US11592221B2 (en) 2020-12-22 2023-02-28 Deere & Company Two-phase cooling system

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2070092A (en) * 1929-04-11 1937-02-09 Gen Motors Corp Oil cooling system
DE766237C (de) * 1938-02-17 1952-04-21 Sueddeutsche Kuehler Behr Fluessigkeitsgekuehlter OElkuehler fuer Brennkraftmaschinen mit Heisskuehlung
US2435041A (en) * 1945-02-10 1948-01-27 Frederic W Hild Regulating device for cooling systems
US2392723A (en) * 1945-03-15 1946-01-08 Edward F Chandler Cooling system for diesel engines
US2670933A (en) * 1950-02-24 1954-03-02 Thomas J Bay Engine cooling apparatus
DE946932C (de) * 1953-04-03 1956-08-09 Daimler Benz Ag Regeleinrichtung fuer gemischverdichtende Einspritzbrennkraftmaschinen, insbesondere fuer Kraftfahrzeuge
DE1926034A1 (de) * 1969-05-22 1970-11-26 Reichhold Albert Chemie Ag Verfahren zur Wiedergewinnung von Terephthalsaeure aus Terephthalsaeurepolyestern
DE2347038A1 (de) * 1973-09-19 1975-03-27 Robionek Hans Joachim Thermostat fuer die kuehlung von verbrennungsmotoren
DE2523436C3 (de) * 1975-05-27 1978-05-24 Kloeckner-Humboldt-Deutz Ag, 5000 Koeln Flüssigkeitskühlsystem für eine Brennkraftmaschine
US4535729A (en) * 1984-10-05 1985-08-20 Deere & Company Vehicle cooling system utilizing one radiator
FR2571431B1 (fr) * 1984-10-09 1989-04-21 Renault Vehicules Ind Dispositif de refroidissement pour moteur a combustion interne
DE3608294A1 (de) * 1986-03-13 1987-09-17 Kloeckner Humboldt Deutz Ag Fluessigkeitskuehlsystem fuer eine brennkraftmaschine
JPS62247112A (ja) * 1986-03-28 1987-10-28 Aisin Seiki Co Ltd 内燃機関の冷却系制御装置
DE8702534U1 (fr) * 1987-02-19 1988-06-23 Gustav Wahler Gmbh U. Co, 7300 Esslingen, De
DE3817952A1 (de) * 1988-05-27 1989-11-30 Wahler Gmbh & Co Gustav Kuehlwasserregler fuer brennkraftmaschinen
DE4104093A1 (de) * 1991-02-11 1992-08-13 Behr Gmbh & Co Kuehlanlage fuer ein fahrzeug mit verbrennungsmotor
DE19637817A1 (de) 1996-09-17 1998-03-19 Laengerer & Reich Gmbh & Co Einrichtung und Verfahren zum Kühlen und Vorwärmen

Also Published As

Publication number Publication date
EP0870911A3 (fr) 1999-07-07
EP0870911A2 (fr) 1998-10-14
DE59811491D1 (de) 2004-07-08
US6053131A (en) 2000-04-25
DE19715324A1 (de) 1998-10-15
ES2218724T3 (es) 2004-11-16

Similar Documents

Publication Publication Date Title
EP0870911B1 (fr) Moteur a combustion interne avec des circuits séparées pour l'eau de refroidissement ainsi que des lubrifiant et/ou d'huile de transmission
DE102012113213B4 (de) Wärmetauscher für ein Fahrzeug
EP1588076B1 (fr) Circuit de refroidissement, en particulier pour transmission de vehicule automobile
DE19849492B4 (de) Steuervorrichtung für einen Kühlkreislauf einer Brennkraftmaschine
DE112007001140B4 (de) Fahrzeug-Kühlungssystem mit gelenkten Strömen
DE102009003951B4 (de) System für aktives Thermomanagement für Getriebe
DE3440504C2 (fr)
DE10145735B4 (de) Kühlvorrichtung für flüssigkeitsgekühlten Verbrennungsmotor
DE102005048286B4 (de) Verfahren zum Betrieb eines Kühlsystems für eine Verbrennungskraftmaschine
DE4410249B4 (de) Flüssigkeitskühlkreislauf für Verbrennungsmotoren
DE10161851A1 (de) Kühlkreislauf einer flüssigkeitsgekühlten Brennkraftmaschine
DE10332949A1 (de) Vorrichtung zum Kühlen und Vorwärmen
DE102012105644A1 (de) Wärmetauscher für fahrzeug
DE102012105600A1 (de) Wärmetauscher für Fahrzeug
DE10323900A1 (de) Mehrwegeventil für ein Fahrzeug-Kühl/Heiz-System
DE10332947A1 (de) Brennkraftmaschine für ein Kraftfahrzeug
DE102012202531A1 (de) Kühlsystem für einen Verbrennungsmotor
DE69935732T2 (de) Gehäuse für die kühlflüssigkeitspumpe eines fahrzeuges
DE10226904A1 (de) Motorkühlsystem mit zwei Thermostaten
DE10154926A1 (de) Kühlmittelkreislauf für eine Brennkraftmaschine
DE102005029918A1 (de) Kühlsystem für eine aufgeladene Brennkraftmaschine
WO2003106825A1 (fr) Procede pour faire fonctionner un moteur a combustion interne a refroidissement liquide
DE60304875T2 (de) Motorkühlsysteme
DE4432292A1 (de) Verteilereinrichtung für das Kühl- bzw. Heizsystem von Fahrzeugen mit Verbrennungsmotoren
DE10012197B4 (de) Thermomanagement für ein Kraftfahrzeug mit einem Kühlmittelkreislauf und einer Klimaanlage

Legal Events

Date Code Title Description
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

Kind code of ref document: A2

Designated state(s): DE ES FR GB IT

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 19991127

AKX Designation fees paid

Free format text: DE ES FR GB IT

17Q First examination report despatched

Effective date: 20020327

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RTI1 Title (correction)

Free format text: INTERNAL COMBUSTION ENGINE WITH SEPARATE CIRCUITS FOR COOLANT AS WELL AS LUBE OIL AND/OR TRANSMISSION OIL

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE ES FR GB IT

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20040602

REF Corresponds to:

Ref document number: 59811491

Country of ref document: DE

Date of ref document: 20040708

Kind code of ref document: P

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2218724

Country of ref document: ES

Kind code of ref document: T3

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

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

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20050303

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20150314

Year of fee payment: 18

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20160322

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20160322

Year of fee payment: 19

Ref country code: FR

Payment date: 20160322

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20160330

Year of fee payment: 19

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 59811491

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20161001

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20170302

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20171130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170302

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170302

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20180507

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170303