EP0870911B1 - Brennkraftmaschine mit gesonderten Kreisläufen für Kühlwasser sowie Schmier- und/oder Getriebeöl - Google Patents
Brennkraftmaschine mit gesonderten Kreisläufen für Kühlwasser sowie Schmier- und/oder Getriebeöl Download PDFInfo
- 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
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.
Description
Claims (3)
- Brennkraftmaschine mit gesonderten Kreisläufen für Kühlwasser sowie Schmier- und/oder Getriebeöl,wobei in dem mit einer Pumpe (13) ausgerüsteten Kühlwasser-Kreislauf der Brennkraftmaschine (1) diese mit einem Luft - Wasser-Wärmetauscher (9) über einen Vorlauf (10) und einen mittels eines Thermostaten (4) gesteuerten Rücklauf (10') in Verbindung steht, undfemer über den andererseits mit dem Vorlauf (10) verbundenen Thermostaten (4) das Kühlwasser im Warmlauf der Brennkraftmaschine (1) im Kurzschluss umgewälzt ist,dass weiter zum wechselweisen Erwärmen und Kühlen des Schmier- und /oder Getriebeöles mittels Kühlwasser ein gesonderter Wasser-Öl-Wärmetauscher (2) vorgesehen ist mit einer baulich gesonderten Ventileinrichtung (3), dieauf einem steuerbaren, stangenartigen Kolben (20) im gegenseitigen Abstand angeordnete Ventilteller (16', 17') umfasst zur Steuerung eines über eine Leitung (8) mit dem Vorlauf (10) verbundenen Heißzulaufes (7) und eines über eine Leitung (15) mit einem im Luft-Wasser-Wärmetauscher (9) angeordneten Niedertemperatur-Kühler (9') verbundenen Kaltzulaufes, unddass der mit einem zwischen den Ventilen (16,17) angeordneten Ablauf (6) der Ventileinrichtung (3) über einen Zulauf (5) verbundene Wasser-Öl-Wärmetauscher (2) mittels eines Ablaufes (11) über eine Leitung (12) ansaugseitig mit der Pumpe (13) in Verbindung steht, wobeiim Ablauf (11) als ein Temperatursensor dienendes, wachsgefülltes Dehnstoffelement (19) zur steuernden Einwirkung auf den die Ventilteller (16', 17') für Heißzulauf und Kaltzulauf tragenden Kolben (20) angeordnet ist,wobei gegebenenfalls der Kolben (20) aus zwei Abschnitten (20', 20") kuppelbar gestaltet ist.
- Brennkraftmaschine nach Anspruch 1, dadurch gekennzeichnet,dass das Dehnstoffelement (19) mit einem elektrischen Heizelement ausgerüstet ist, dasüber Signale eines in einem Ölsumpf eines die Brennkraftmaschine (1) umfassenden Antriebsaggregates (22) zusätzlich angeordneten Temperatursensors ansteuerbar ist.
- Brennkraftmaschine nach Anspruch 1 oder 2, gekennzeichnet durch eine Verwendung bei kennfeldgesteuerten / - geregelten Kühlwasser-Temperaturen der Brennkraftmaschine (1) von 100°C und darüber.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19715324A DE19715324A1 (de) | 1997-04-12 | 1997-04-12 | Wärmetauscher für flüssige Wärmetauschmittel |
DE19715324 | 1997-04-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0870911A2 EP0870911A2 (de) | 1998-10-14 |
EP0870911A3 EP0870911A3 (de) | 1999-07-07 |
EP0870911B1 true EP0870911B1 (de) | 2004-06-02 |
Family
ID=7826343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98103583A Expired - Lifetime EP0870911B1 (de) | 1997-04-12 | 1998-03-02 | Brennkraftmaschine mit gesonderten Kreisläufen für Kühlwasser sowie Schmier- und/oder Getriebeöl |
Country Status (4)
Country | Link |
---|---|
US (1) | US6053131A (de) |
EP (1) | EP0870911B1 (de) |
DE (2) | DE19715324A1 (de) |
ES (1) | ES2218724T3 (de) |
Families Citing this family (37)
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 |
GB0310120D0 (en) * | 2003-05-02 | 2003-06-04 | Ford Global Tech Llc | Engine cooling systems |
GB0310122D0 (en) * | 2003-05-02 | 2003-06-04 | Ford Global Tech Llc | Temperature responsive flow control valves for 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 |
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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 |
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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 (de) * | 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 |
-
1997
- 1997-04-12 DE DE19715324A patent/DE19715324A1/de not_active Withdrawn
-
1998
- 1998-03-02 EP EP98103583A patent/EP0870911B1/de not_active Expired - Lifetime
- 1998-03-02 ES ES98103583T patent/ES2218724T3/es not_active Expired - Lifetime
- 1998-03-02 DE DE59811491T patent/DE59811491D1/de not_active Expired - Lifetime
- 1998-04-13 US US09/058,809 patent/US6053131A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0870911A2 (de) | 1998-10-14 |
EP0870911A3 (de) | 1999-07-07 |
DE19715324A1 (de) | 1998-10-15 |
US6053131A (en) | 2000-04-25 |
DE59811491D1 (de) | 2004-07-08 |
ES2218724T3 (es) | 2004-11-16 |
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