EP0903482A2 - Vorrichtung zur Regelung des Kühlwasserkreislaufes für einen Verbrennungsmotor - Google Patents
Vorrichtung zur Regelung des Kühlwasserkreislaufes für einen Verbrennungsmotor Download PDFInfo
- Publication number
- EP0903482A2 EP0903482A2 EP98115482A EP98115482A EP0903482A2 EP 0903482 A2 EP0903482 A2 EP 0903482A2 EP 98115482 A EP98115482 A EP 98115482A EP 98115482 A EP98115482 A EP 98115482A EP 0903482 A2 EP0903482 A2 EP 0903482A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- line
- differential pressure
- plate
- cooling water
- 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.)
- Granted
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
- F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
-
- 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
- F01P2007/146—Controlling of coolant flow the coolant being liquid using valves
-
- 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
- F01P2060/08—Cabin heater
Definitions
- the invention relates to a device for regulation of the cooling water circuit for an internal combustion engine according to the one defined in the preamble of claim 1 Art.
- a generic device is described in US Pat. No. 4,972,808.
- a disadvantage of this device is that during the warm-up phase of the engine or during extended operation at low speeds, such as stop and go "operation in city traffic via the heating heat exchanger cannot provide enough heat to heat the passenger compartment. If sufficient heating power is nevertheless required, additional devices such as a separate heating device for the heating heat exchanger and / or heating water pumps are required required.
- the present invention is based on the object a device of the type mentioned at the beginning improve that in the warm-up phase and / or at one Vehicle operation with low speeds and low Engine temperatures for heating the passenger compartment more thermal energy is available.
- this task is characterized by Features mentioned in claim 1 solved.
- differential pressure valve and its switching is particularly in the warm-up phase maximum heat output from the engine via the heating heat exchanger reached at low engine speeds, because the total amount of cooling water overflows the heating, with which the engine heat accumulates completely be given off via the heating heat exchanger can. Only opens at higher water pump speeds the differential pressure valve and it is done in known Way a distribution of the cooling water flow over the Bypass line and the heating line.
- cooling water circuit In normal driving, can in a conventional manner the cooling water circuit is operated in a mixed operation be, with an additional division of the Cooling water can take place in a return line is passed over the cooler.
- the cooling water circuit shown in Fig. 1 is basically regarding the structure and mode of operation of known design, which is why only briefly below on the essential parts are received.
- An internal combustion engine 1 with a crankcase 2 and a cylinder head 3 is on over the cylinder head 3 a cooling water circuit connected.
- the cooling water circuit has a water pump 4, which the crankshaft of the engine is driven.
- a thermostat valve 5 in a thermostat housing 6 In the direction of flow is located behind the cylinder head 3 a thermostat valve 5 in a thermostat housing 6.
- the thermostatic valve 5 with cooling water channels is on the input side of the cylinder head 3 connected.
- Output side leads a bypass line from the thermostat valve 5 7, a heating line 8 and a water cooler supply line 9 out.
- In the heating line 8 is a heating heat exchanger 10 through which heating of a passenger compartment, not shown.
- the water cooler feed line 9 leads to a water cooler 12, from which a water pump feed line 13 branches off, which leads to the water pump 4.
- a differential pressure valve 14 is arranged, with a view to constructive simplification and easy installation in the thermostatic valve housing 6 is integrated. Of course it can Differential pressure valve 14, however, also on another Place as a separate unit in the bypass line 7 be arranged.
- the differential pressure valve 14 has a closing member 15 on that by a coil spring 16 as a spring device is biased in the closed position.
- Thermostatic valve 5 is shown as a two-plate valve formed with valve turntables 17 and 18.
- valve turntables 17 and 18 are shown as a two-plate valve formed with valve turntables 17 and 18.
- another thermostatic valve design is also conceivable.
- valve platter 18 at a distance from the inflow opening into the bypass line 7, but due to the low speed keeps the closing member 15 of the Differential pressure valve 14 closed the bypass line 7. Only from a preselected engine speed and thus a correspondingly higher pressure in the cooling water circuit takes place depending on the preload the coil spring 16 an opening of the bypass line 7. This can e.g. at a pressure of approx. 0.3 cash and higher. Only from this design point there is a partial flow according to arrow A in the Fig. 2 on the opening closing member 15 in the Bypass line 7 in addition to the cooling water flow via the heating line 8.
- the thermostatic valve 5 When the temperature of the motor is a preselected value reached, e.g. greater than 80 ° C, opens in a known manner the thermostatic valve 5 for a mixing phase (see Fig. 3).
- the two valve turntables are located there 17 and 18 in a middle position in which all exits are open from the thermostatic valve housing 6, namely the bypass line 7, the heating line 8 and the Water cooler supply line 9.
- This phase marks the beginning the flow of cooling water through the water cooler supply line 9 and the flow through the water cooler 12 before via the water pump return line 13 a return line to the water pump 4 takes place.
- the closing member 15 of the differential pressure valve 14 is closed, which in turn the Heating heat exchanger 10 increasingly supplied thermal energy becomes.
- the cooling water supply 4 thus corresponds to the known cooling water supply According to the state of the art.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
- Temperature-Responsive Valves (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
Description
- Fig. 1
- Schemadarstellung eines Kühlwasserkreislaufes mit dem erfindungsgemäßen Differenzdruckventil,
- Fig. 2
- das Thermostatventil mit dem Differenzdruckventil im Kurzschlußbetrieb,
- Fig. 3
- das Thermostatventil mit dem Differenzdruckventil in der Mischphase, und
- Fig. 4
- das Thermostatventil mit dem Differenzdruckventil im normalen Betriebszustand.
Claims (5)
- Vorrichtung zur Regelung des Kühlwasserkreislaufes für einen Verbrennungsmotor, mit einem Kühler, einem Heizungs-Wärmetauscher, mit einer Wasserpumpe und mit einem Thermostatventil, das in der Warmlaufphase des Motors oder bei niedrigen Motortemperaturen zwei Kreisläufe ermöglicht, wobei ein Kreislauf zur Kühlung des Motors über eine Bypass-Leitung und ein zweiter Kreislauf zum Heizungs-Wärmetauscher über eine Heizleitung vorgesehen ist,
dadurch gekennzeichnet, daß
in der Bypass-Leitung (7) ein motordrehzahlabhängig geregeltes Differenzdruckventil (14) angeordnet ist, wobei in der Warmlaufphase oder in der Phase mit niedriger Motortemperatur bei niedrigen Drehzahlen des Motors (1) die Bypassleitung (7) gesperrt und das gesamte Kühlwasser über die Heizleitung (8) geführt ist und wobei bei höheren Drehzahlen das Differenzdruckventil (14) öffnet und die Bypass-Leitung (7) freigibt, wobei eine mengenmäßige Aufteilung des Kühlwassers in Abhängigkeit von der Auslegung des Differenzdruckventiles (14) über die Bypass-Leitung (7) und die Heizleitung (8) erfolgt. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß
das Differenzdruckventil (14) mit einer Federeinrichtung (16) zur Vorspannung in Schließstellung versehen ist. - Vorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß
das Differenzdruckventil (14) im Thermostatgehäuse (6) des Thermostatventiles (5) aufgenommen ist. - Vorrichtung nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß
das Thermostatventil (5) als Plattenventil mit wenigstens einem Ventilplattenteller (18) ausgebildet ist, hinter dem die Bypass-Leitung (7) abzweigt. - Vorrichtung nach Anspruch 4,
dadurch gekennzeichnet, daß
das Plattenventil als Zweiplattenventil ausgebildet ist, wobei hinter einem Plattenventilteller (18) die Bypass-Leitung (7) und hinter dem zweiten Plattenventilteller (17) eine zu dem Kühler (12) führende Wasserkühlerzuleitung (9) abzweigt.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19741861 | 1997-09-23 | ||
DE19741861A DE19741861B4 (de) | 1997-09-23 | 1997-09-23 | Vorrichtung zur Regelung des Kühlwasserkreislaufes für einen Verbrennungsmotor |
US09/159,190 US6109218A (en) | 1997-09-23 | 1998-09-23 | Apparatus for regulating the coolant circuit for an internal combustion engine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0903482A2 true EP0903482A2 (de) | 1999-03-24 |
EP0903482A3 EP0903482A3 (de) | 1999-04-07 |
EP0903482B1 EP0903482B1 (de) | 2003-04-23 |
Family
ID=26040220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98115482A Expired - Lifetime EP0903482B1 (de) | 1997-09-23 | 1998-08-18 | Vorrichtung zur Regelung des Kühlwasserkreislaufes für einen Verbrennungsmotor |
Country Status (4)
Country | Link |
---|---|
US (1) | US6109218A (de) |
EP (1) | EP0903482B1 (de) |
DE (2) | DE19741861B4 (de) |
ES (1) | ES2196441T3 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10052328A1 (de) * | 2000-10-17 | 2002-04-18 | Behr Gmbh & Co | Differenzdruckventil |
EP1293651A2 (de) * | 2001-09-18 | 2003-03-19 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Regelung des Kühlmittelvolumenstromes in einer Brennkraftmaschine |
FR2944321A1 (fr) * | 2009-04-14 | 2010-10-15 | Peugeot Citroen Automobiles Sa | Procede d'utilisation du circuit de refroidissement d'un moteur thermique |
EP2816207A3 (de) * | 2013-06-18 | 2015-03-18 | Bayerische Motoren Werke Aktiengesellschaft | Thermostat-Ringschieberventil und Kühlsystem |
WO2017134368A1 (fr) * | 2016-02-05 | 2017-08-10 | Peugeot Citroen Automobiles Sa | Procede de protection d'un circuit de fluide de refroidissement d'un moteur contre une surpression interne |
FR3079559A1 (fr) * | 2018-03-27 | 2019-10-04 | Psa Automobiles Sa | Boitier de sortie d’eau et dispositif de gestion thermique d’un groupe motopropulseur de vehicule |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6478643B2 (en) * | 2000-01-07 | 2002-11-12 | Donald M. Jolley | Water pressure and volume flow regulator |
DE10007241B4 (de) * | 2000-02-17 | 2006-03-16 | Daimlerchrysler Ag | Kühlwasserkreislauf einer Brennkraftmaschine |
DE10043618A1 (de) | 2000-09-05 | 2002-03-14 | Daimler Chrysler Ag | Kühlmittelkreislauf für eine Brennkraftmaschine |
DE10052327A1 (de) * | 2000-10-17 | 2002-04-18 | Behr Gmbh & Co | Steuerventil für eine Kraftfahrzeug-Heizungsanlage |
US6539899B1 (en) * | 2002-02-11 | 2003-04-01 | Visteon Global Technologies, Inc. | Rotary valve for single-point coolant diversion in engine cooling system |
DE102005010236A1 (de) * | 2005-03-05 | 2006-09-14 | Daimlerchrysler Ag | Kühlkreislauf für eine Brennkraftmaschine |
DE102006017925A1 (de) * | 2006-04-18 | 2007-10-31 | Audi Ag | Kühlsystem für ein Fahrzeug und Verfahren zum Betreiben eines Kühlsystems |
DE112007001140B4 (de) * | 2006-05-08 | 2021-02-18 | Magna Powertrain Fpc Limited Partnership | Fahrzeug-Kühlungssystem mit gelenkten Strömen |
US7497751B1 (en) * | 2007-04-27 | 2009-03-03 | Brunswick Corporation | Alternative cooling path system for a marine propulsion device |
GB201209679D0 (en) | 2012-05-31 | 2012-07-18 | Jaguar Cars | Fluid flow control device and method |
CN103670657B (zh) * | 2012-09-13 | 2016-09-28 | 北京汽车动力总成有限公司 | 一种发动机冷却***、发动机及车辆 |
WO2018104106A1 (en) * | 2016-12-09 | 2018-06-14 | Volvo Truck Corporation | A cooling system valve |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4972808A (en) | 1989-04-03 | 1990-11-27 | Nissan Motor Co., Ltd. | Arrangement of cooling system for transversely mounted internal combustion engine |
DE4333110A1 (de) | 1993-09-29 | 1995-03-16 | Daimler Benz Ag | Kühlflüssigkeitskreislauf für Kraftfahrzeuge mit einem flüssigkeitsgekühlten Verbrennungsmotor |
DE19508102C1 (de) | 1995-03-08 | 1996-07-25 | Volkswagen Ag | Verfahren zur Regelung eines Kühlkreislaufes eines Verbrennungskraftmotors, insbesondere für Kraftfahrzeuge |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3302696A (en) * | 1965-02-08 | 1967-02-07 | James R Rogers | Pressure response by-pass valve for heat exchange systems |
DE2907353A1 (de) * | 1979-02-24 | 1980-09-04 | Bosch Gmbh Robert | Verbrennungskraftmaschine mit fluessigkeitskuehlung |
DE2923523A1 (de) * | 1979-06-09 | 1980-12-11 | Daimler Benz Ag | Thermostatisches regelventil zum einhalten eines im wesentlichen konstanten sollwertes der betriebstemperatur eines fluessigen kuehlmittels einer brennkraftmaschine |
JPS57181920A (en) * | 1981-05-01 | 1982-11-09 | Fuji Heavy Ind Ltd | Cooling controller for water-cooled engine |
JPS61201816A (ja) * | 1985-03-04 | 1986-09-06 | Daihatsu Motor Co Ltd | エンジンの冷却装置 |
DE3633576A1 (de) * | 1986-10-02 | 1988-04-07 | Kloeckner Humboldt Deutz Ag | Brennkraftmaschine |
JP2505566Y2 (ja) * | 1987-11-26 | 1996-07-31 | 日産自動車株式会社 | ウォ―タポンプ装置 |
JP2911008B2 (ja) * | 1990-09-20 | 1999-06-23 | 三信工業株式会社 | 船舶推進機の水冷装置 |
JPH08177491A (ja) * | 1994-12-27 | 1996-07-09 | Toyota Motor Corp | 内燃機関の冷却装置 |
DE19506935C1 (de) * | 1995-02-28 | 1996-04-04 | Daimler Benz Ag | Kühlmittelkreislauf für einen Verbrennungsmotor eines Kraftfahrzeugs |
JP3596099B2 (ja) * | 1995-07-10 | 2004-12-02 | 株式会社デンソー | 暖房装置 |
-
1997
- 1997-09-23 DE DE19741861A patent/DE19741861B4/de not_active Expired - Fee Related
-
1998
- 1998-08-18 ES ES98115482T patent/ES2196441T3/es not_active Expired - Lifetime
- 1998-08-18 EP EP98115482A patent/EP0903482B1/de not_active Expired - Lifetime
- 1998-08-18 DE DE59808027T patent/DE59808027D1/de not_active Expired - Fee Related
- 1998-09-23 US US09/159,190 patent/US6109218A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4972808A (en) | 1989-04-03 | 1990-11-27 | Nissan Motor Co., Ltd. | Arrangement of cooling system for transversely mounted internal combustion engine |
DE4333110A1 (de) | 1993-09-29 | 1995-03-16 | Daimler Benz Ag | Kühlflüssigkeitskreislauf für Kraftfahrzeuge mit einem flüssigkeitsgekühlten Verbrennungsmotor |
DE19508102C1 (de) | 1995-03-08 | 1996-07-25 | Volkswagen Ag | Verfahren zur Regelung eines Kühlkreislaufes eines Verbrennungskraftmotors, insbesondere für Kraftfahrzeuge |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10052328A1 (de) * | 2000-10-17 | 2002-04-18 | Behr Gmbh & Co | Differenzdruckventil |
EP1293651A2 (de) * | 2001-09-18 | 2003-03-19 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Regelung des Kühlmittelvolumenstromes in einer Brennkraftmaschine |
EP1293651A3 (de) * | 2001-09-18 | 2005-03-16 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Regelung des Kühlmittelvolumenstromes in einer Brennkraftmaschine |
FR2944321A1 (fr) * | 2009-04-14 | 2010-10-15 | Peugeot Citroen Automobiles Sa | Procede d'utilisation du circuit de refroidissement d'un moteur thermique |
EP2816207A3 (de) * | 2013-06-18 | 2015-03-18 | Bayerische Motoren Werke Aktiengesellschaft | Thermostat-Ringschieberventil und Kühlsystem |
WO2017134368A1 (fr) * | 2016-02-05 | 2017-08-10 | Peugeot Citroen Automobiles Sa | Procede de protection d'un circuit de fluide de refroidissement d'un moteur contre une surpression interne |
FR3047514A1 (fr) * | 2016-02-05 | 2017-08-11 | Peugeot Citroen Automobiles Sa | Procede de protection d’un circuit de fluide de refroidissement d’un moteur contre une surpression interne |
FR3079559A1 (fr) * | 2018-03-27 | 2019-10-04 | Psa Automobiles Sa | Boitier de sortie d’eau et dispositif de gestion thermique d’un groupe motopropulseur de vehicule |
Also Published As
Publication number | Publication date |
---|---|
EP0903482B1 (de) | 2003-04-23 |
DE19741861B4 (de) | 2004-07-22 |
DE19741861A1 (de) | 1999-04-01 |
EP0903482A3 (de) | 1999-04-07 |
DE59808027D1 (de) | 2003-06-05 |
US6109218A (en) | 2000-08-29 |
ES2196441T3 (es) | 2003-12-16 |
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