EP1774148A1 - Kühlmittelkühler mit in einen der wasserkästen integriertem getriebeölkühler - Google Patents
Kühlmittelkühler mit in einen der wasserkästen integriertem getriebeölkühlerInfo
- Publication number
- EP1774148A1 EP1774148A1 EP05771897A EP05771897A EP1774148A1 EP 1774148 A1 EP1774148 A1 EP 1774148A1 EP 05771897 A EP05771897 A EP 05771897A EP 05771897 A EP05771897 A EP 05771897A EP 1774148 A1 EP1774148 A1 EP 1774148A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coolant
- thermostat
- cooler
- outlet
- inlet
- 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
- 239000002826 coolant Substances 0.000 title claims abstract description 138
- 239000000498 cooling water Substances 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 230000005540 biological transmission Effects 0.000 claims description 64
- 239000003921 oil Substances 0.000 claims description 56
- 239000012208 gear oil Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 4
- 230000001276 controlling effect Effects 0.000 claims 2
- 238000001816 cooling Methods 0.000 description 13
- 239000003507 refrigerant Substances 0.000 description 3
- 238000013021 overheating Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0234—Header boxes; End plates having a second heat exchanger disposed there within, e.g. oil 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
- 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
- F01P2060/04—Lubricant cooler
- F01P2060/045—Lubricant cooler for transmissions
-
- 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
- F01P2070/00—Details
- F01P2070/04—Details using electrical heating elements
Definitions
- Coolant cooler with integrated into one of the water tanks
- the invention relates to a coolant radiator with integrated in one of the water tanks transmission oil cooler for cooling transmission oil according to the Ober ⁇ concept of claim 1.
- Fig. 6 is a coolant circuit 201 for cooling a motor 203 flowing through the refrigerant and a transmission oil circuit 202 for cooling a transmission 204 flowing through a transmission oil according to the prior
- Coolant and gear oil are indicated by arrows. Present is a
- Motor-Thermostat 211 arranged coolant outlet side of the motor 203 and allows that with cold engine 203, the coolant passes bypassing the coolant radiator 207 directly via a bypass 213 to the pump 212 and back into the motor 203, i. in the coolant cooler 207 flows no
- Coolant the transmission oil reaches transmission oil temperatures below the maximum value for continuous operation.
- the coolant radiator is usually not flowed through, so that a cooling of the transmission is prevented.
- the coolant throughputs through the coolant cooler are so small that only a small cooling capacity is available for the engine oil cooler in the water tank, which in turn prevents over-cooling of the transmission.
- the coolant cooler should thereby be as low as possible.
- the invention particularly relates to a coolant radiator with in one of
- Water boxes of the coolant radiator integrated transmission oil cooler wherein at the water tank, a second coolant inlet and / or a second coolant outlet is provided which a coolant circulation at closed engine thermostat, especially when the engine is cold but allows too hot transmission oil.
- the transmission oil circuit here preferably corresponds completely to a conventional transmission oil circuit, so that no changes are required in this area and the old components can continue to be used.
- the control Only at the water box is a second coolant inlet and / or a second coolant outlet vorzu ⁇ see, the control preferably takes place via a thermostat, wel ⁇ cher integrated into the water tank or integrated in the coolant inlet and outlet.
- the branch can also be integrated directly into the engine thermostat.
- the second coolant inlet and / or the second coolant outlet is preferably arranged in the outlet water box, in which the coolant temperature is below that of the coolant flowing into the inlet water box, coming from the engine, so that due to lower temperature a more effective transmission oil cooling is possible.
- the inlet or outlet preferably lies above the transmission oil cooler, since in this upper region the coolant temperature is higher when the coolant cooler is not flowed through, which is the case in particular when the engine is cold, than in the lower region of the water tank warm coolant rises.
- the thermostat has a Dehnscherlement which projects into the water tank.
- the expansion element which expands at high temperatures and opens a valve in accordance with its arrangement, the inlet or outlet can be controlled inexpensively and in a simple manner.
- a flow divider is arranged in the water tank, which separates a sensor region of the thermostat, that is, for example, the region in which an expansion element is disposed, in an area substantially free of coolant flow from the inflow region of the second coolant inlet , - A -
- a regulation of the flow through the water box, in which the transmission oil cooler is arranged, as a function of the coolant temperature, ensures that the transmission oil is sufficiently cooled and prevents overheating of the transmission oil, which would be impossible without appropriate regulation, in particular in the case of not yet operationally warm Engine and too warm gear oil could be done.
- the entire arrangement is only slightly more expensive than a conventional arrangement with coolant circuit and transmission oil circuit.
- a valve closing off the second coolant inlet and / or the second coolant outlet, in particular the thermostat is actuated externally, for example via electronics, particularly preferably by heating.
- This makes it possible to actively heat the transmission oil to bring it to operating temperature faster at low loads and thus reduce friction losses. Opening the valve at a coolant temperature slightly below the temperature at which the engine thermostat opens is particularly advantageous. In this way, the transmission oil can be heated before thedemit ⁇ telkühler emits heat to the environment.
- FIG. 2 is a schematic side view of the outlet water box with transmission oil cooler according to the firstcitedsbei ⁇ game
- FIG. 3 is a schematic detail of the upper portion of the outlet water box of Fig. 2, 4 shows a schematic representation of a coolant circuit and a transmission oil circuit according to the second exemplary embodiment
- FIG. 5 shows a schematic detail of the upper region of the outlet water box according to the second exemplary embodiment
- Fig. 6 is a schematic representation of a refrigerant circuit and a transmission oil circuit according to the prior Tech ⁇ nik.
- a coolant circuit 1 shows a coolant circuit 1 and a transmission oil circuit 2 of a transmission 4 connected to an engine 3 with continuously variable transmission according to the first exemplary embodiment.
- a transmission oil cooler 5 is arranged in a water tank 6, in this case the outlet water box 6 ', a coolant cooler 7.
- the transmission oil circuit 2 corresponds to the transmission oil circuit 102 according to the prior art described above, so that will not be discussed further here.
- the coolant coming from the engine 3 flows in normal operation - correspondingly in conventional coolant circuits - via a line 8 to the coolant cooler 7, which it leaves at the coolant outlet nozzle 9, a Lei ⁇ device 10 to a motor-thermostat 11 and a coolant If the coolant is sufficiently cool, for example at ei ⁇ nem start of the engine 3, the motor-thermostat 11 blocks the line 10 and the coolant passes through a bypass 13 from the engine 3 directly to the engine Thermostat 11 and the subsequently arranged pump 12. In so far as the coolant circuit 1 corresponds to a conventional coolant circuit.
- a second coolant outlet 20 is provided which by a second thermostat 21 is controlled, and from which via a bypass line 22, the coolant directly to the bypass 13 were ⁇ can.
- the thermostat 21 determines the temperature of the coolant which is convectively heated in the water tank 6 by the hot gear oil flowing through the transmission oil cooler 5.
- the thermostat 21 is mounted directly on the water box 6, but it can also be integrated in a second coolant outlet nozzle. Since the warm coolant in the water box 6 rises upward, the second thermostat 21 is mounted above, above the transmission oil cooler 5.
- bypass line 22 leads to an additional mares directly into the housing of the engine thermostat, wherein the mares is arranged so that it opens behind the eigent ⁇ union valve in the engine return.
- a thermostat with Dehnscherle ⁇ element 23 is used in the present case, wherein the expansion element 23 protrudes into the water tank 6. Heating the expansion element 23 gives the thermal Mostat valve 24, of which in Fig. 3, the valve seat 25 and the valve plate 26 are indicated, the flow path through the second outlet nozzle 27 via the bypass line 22 free.
- the convection is indicated in Fig. 3 by an unfilled arrow above the transmission oil cooler 5.
- a coolant circuit 101 and a transmission oil circuit 102 are provided, in which case the transmission oil circuit 102 corresponds to the transmission oil circuit 2 and the transmission oil circuit 202 according to the previously described embodiment and the prior art, so that not will be discussed in more detail.
- the motor thermostat 111 is arranged on the engine outlet side in the coolant circuit 101.
- the coolant coming from the engine 103 flows through the engine thermostat 111, a line 108 to the coolant cooler 107, which it leaves ei ⁇ nem coolant outlet nozzle 109, and a line 110 to a coolant pump 112 and back to the engine 103rd
- the motor thermostat 111 blocks the line 108 and the coolant passes via a bypass 113 from the motor 103 directly to the line 110 and the pump 112 corresponds to the coolant circuit 1 again a conventional coolant circuit, in this case the presented in Fig. 6 Darge presented coolant circuit 201 according to the prior art.
- a second Coolant inlet 130 is provided, which is controlled by a second thermostat 131.
- coolant can pass via a bypass line 132 from the engine thermostat 111 to the second thermostat 131 and into the water tank 106. From the water box 106 from the coolant, after it has absorbed heat from the transmission oil cooler 105, via the coolant outlet nozzle 109 in the usual way via the line 110 to the pump 112 and back into the engine 103.
- bypass line 132 is so in the Enclosed housing of the motor thermostat 111 that it is closed with the motor thermostat 111 open, so that node ⁇ medium passes through the bypass line 132 into the water tank 106, son ⁇ the entire coolant nen ⁇ the normal flow path via the line 108th to the coolant cooler 107 and enters the same via the inlet water box 106 ".
- the thermostat 131 determined according to the thermostat 21 of the first embodiment, the temperature of the coolant, which is convectively heated in the water tank 106 by the transmission oil cooler 105 flowing through hot transmission oil.
- the thermostat 131 is mounted directly in the water box 106 (see Fig. 5), but it can also be integrated into a sau ⁇ th coolant inlet nozzle.
- the second thermostat 131 according to the thermostat 21 of the first embodiment is mounted above the transmission oil cooler 105, but in the present case, the configuration of the thermostat 131 differs from that of the thermostat 21.
- the expansion element of the thermostat 131 is in this case on a valve with valve seat and valve disc opposite wall of the water box 106, wherein a flow divider in the form of a partition wall is arranged between it, so that when the engine 103 is not in operation, no cool coolant comes into contact with the expansion element and thus closes the thermostat again, although a flow is desired.
- the second thermostat 131 in turn has an expansion element 133 and a thermostatic valve 134 with a valve seat 135 and valve disc 136, which are arranged on a second inlet port 137 on.
- the expansion element 133 which is arranged on one side of the water tank 106 above the transmission oil cooler 105 and forms a sensor region of the thermostat 131
- the thermostatic valve 134 on the opposite side of the water tank 106 above the Getriebeöl ⁇ cooler 105th is arranged, separated by a flow divider 138, which wel ⁇ cher is formed by a projecting towards the transmission oil cooler 105 wall, which prevents that when the thermostat valve 134 is open in the region of the expansion element 133 a same cooling Strö ⁇ tion instead of the flow formed as a result of the heat convection, so that an unwanted closing of the second thermostat 131 is prevented.
- Coolant circuit 2 102, 202 Transmission oil circuit 3, 103, 203 Engine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Details Of Gearings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004036185 | 2004-07-26 | ||
| PCT/EP2005/007096 WO2006010430A1 (de) | 2004-07-26 | 2005-07-01 | Kühlmittelkühler mit in einen der wasserkästen integriertem getriebeölkühler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1774148A1 true EP1774148A1 (de) | 2007-04-18 |
| EP1774148B1 EP1774148B1 (de) | 2013-02-27 |
Family
ID=34993031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05771897A Expired - Lifetime EP1774148B1 (de) | 2004-07-26 | 2005-07-01 | Kühlmittelkühler mit in einen der wasserkästen integriertem getriebeölkühler |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20080190597A1 (de) |
| EP (1) | EP1774148B1 (de) |
| WO (1) | WO2006010430A1 (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI385464B (zh) * | 2008-07-11 | 2013-02-11 | Coretronic Corp | 散熱裝置及具該散熱裝置之投影顯示器 |
| EP2161479A1 (de) | 2008-09-04 | 2010-03-10 | Ford Global Technologies, LLC | Getriebe mit Getriebegehäuse und Verfahren zur Beeinflussung der Getriebeöltemperatur |
| US20120004172A1 (en) * | 2008-10-27 | 2012-01-05 | Oncotherapy Science, Inc. | Screening method of anti-lung or esophageal cancer compounds |
| JP5730722B2 (ja) * | 2011-09-08 | 2015-06-10 | トヨタ自動車株式会社 | 熱交換器 |
| KR101416419B1 (ko) * | 2013-06-27 | 2014-07-08 | 현대자동차 주식회사 | 차량용 라디에이터 |
| US9796244B2 (en) | 2014-01-17 | 2017-10-24 | Honda Motor Co., Ltd. | Thermal management system for a vehicle and method |
| GB2525415B (en) | 2014-04-24 | 2018-05-16 | Ford Global Tech Llc | An Engine Cooling System Expansion Reservoir |
| DE102015203648B3 (de) * | 2015-03-02 | 2016-03-31 | Ford Global Technologies, Llc | Verfahren zum Betrieb einer Wärmetauscheranordnung in einem Kraftfahrzeug und Wärmetauscheranordnung für ein Kraftfahrzeug |
| JP6581548B2 (ja) * | 2016-08-01 | 2019-09-25 | 株式会社Soken | 冷却システム |
| FR3080443B1 (fr) * | 2018-04-18 | 2020-06-19 | Renault S.A.S. | Radiateur de refroidissement avec by-pass integre et circuit de refroidissement |
| EP3730763B1 (de) * | 2019-04-17 | 2023-02-15 | Raytheon Technologies Corporation | Dynamische thermische lastüberwachung und -minderung für flugzeugsysteme |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE761433C (de) * | 1940-04-27 | 1953-09-14 | Ernst Dipl-Ing Wilh Fauner | Kuehlanlage fuer eine wassergekuehlte Brennkraftmaschine und eine wassergekuehlte Hilfsbrennkraftmaschine |
| US2435041A (en) * | 1945-02-10 | 1948-01-27 | Frederic W Hild | Regulating device for cooling systems |
| US4519449A (en) * | 1983-12-06 | 1985-05-28 | Hoskins John | Fluid coupling and method of assembly |
| US4903760A (en) * | 1989-05-24 | 1990-02-27 | General Motors Corporation | Integral oil cooler and radiator tank |
| US5024377A (en) * | 1990-01-19 | 1991-06-18 | Frank Harrison | Vehicle heating system |
| US5067561A (en) * | 1990-11-30 | 1991-11-26 | General Motors Corporation | Radiator tank oil cooler |
| FR2673241A1 (fr) * | 1991-02-26 | 1992-08-28 | Valeo Thermique Moteur Sa | Radiateur de vehicule automobile muni d'un dispositif de commande de circulation de fluide. |
| US5186245A (en) * | 1992-04-06 | 1993-02-16 | General Motors Corporation | Flow control baffle for radiator in-tank cooler |
| DE19508570C2 (de) * | 1995-03-10 | 1997-10-16 | Behr Gmbh & Co | Kühler für ein Kraftfahrzeug |
| DE19637817A1 (de) * | 1996-09-17 | 1998-03-19 | Laengerer & Reich Gmbh & Co | Einrichtung und Verfahren zum Kühlen und Vorwärmen |
| US6082449A (en) * | 1998-01-27 | 2000-07-04 | Calsonic Corporation | Oil cooler structure |
| US6612271B2 (en) * | 2001-03-13 | 2003-09-02 | Nippon Thermostat Co., Ltd. | Cooling controller for internal-combustion engine |
| DE10301448B4 (de) * | 2003-01-10 | 2013-04-04 | Behr Thermot-Tronik Gmbh | Vorrichtung zur Temperierung von Schmieröl eines Kraftfahrzeugs |
| DE10301564A1 (de) * | 2003-01-16 | 2004-08-12 | Behr Gmbh & Co. Kg | Kühlkreislauf einer Brennkraftmaschine mit Niedertemperaturkühler |
| DE10302170A1 (de) * | 2003-01-22 | 2004-08-12 | Daimlerchrysler Ag | Kühlmittelkreislauf für eine Brennkraftmaschine |
| DE10318744B4 (de) * | 2003-04-25 | 2006-04-27 | Audi Ag | Kühlsystem |
-
2005
- 2005-07-01 EP EP05771897A patent/EP1774148B1/de not_active Expired - Lifetime
- 2005-07-01 US US11/572,621 patent/US20080190597A1/en not_active Abandoned
- 2005-07-01 WO PCT/EP2005/007096 patent/WO2006010430A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006010430A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080190597A1 (en) | 2008-08-14 |
| EP1774148B1 (de) | 2013-02-27 |
| WO2006010430A1 (de) | 2006-02-02 |
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