EP1380735A1 - Module und Kühlungskreislauf mit solchem Modul - Google Patents

Module und Kühlungskreislauf mit solchem Modul Download PDF

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Publication number
EP1380735A1
EP1380735A1 EP03015553A EP03015553A EP1380735A1 EP 1380735 A1 EP1380735 A1 EP 1380735A1 EP 03015553 A EP03015553 A EP 03015553A EP 03015553 A EP03015553 A EP 03015553A EP 1380735 A1 EP1380735 A1 EP 1380735A1
Authority
EP
European Patent Office
Prior art keywords
conduit
circuit
portions
segments
parts
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
Application number
EP03015553A
Other languages
English (en)
French (fr)
Other versions
EP1380735B1 (de
Inventor
Denis Menin
Richard Komurian
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.)
Sogefi Air and Cooling SAS
Original Assignee
Mark IV Systemes Moteurs SAS
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 Mark IV Systemes Moteurs SAS filed Critical Mark IV Systemes Moteurs SAS
Publication of EP1380735A1 publication Critical patent/EP1380735A1/de
Application granted granted Critical
Publication of EP1380735B1 publication Critical patent/EP1380735B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • 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
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • 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
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • 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
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
    • 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
    • F01M1/00—Pressure lubrication
    • F01M1/10—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
    • F01M2001/1007—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters characterised by the purification means combined with other functions
    • F01M2001/1014—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters characterised by the purification means combined with other functions comprising supply of additives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/029—Expansion reservoirs
    • 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
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • F01P5/12—Pump-driving arrangements
    • F01P2005/125—Driving auxiliary pumps electrically
    • 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
    • F01P2025/00—Measuring
    • F01P2025/04—Pressure
    • F01P2025/06—Pressure for determining flow
    • 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
    • F01P2060/08—Cabin heater
    • 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
    • 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
    • F01P7/167—Controlling of coolant flow the coolant being liquid by thermostatic control by adjusting the pre-set temperature according to engine parameters, e.g. engine load, engine speed

Definitions

  • the present invention relates to the field of the design and production of multi-branch fluid circulation circuits and systems for regulating the flow of fluids in conduits or circulation lines, in particular of liquids in multi-branch hydraulic circuits with a plurality of regulating devices.
  • the present invention relates more particularly to a central cooling circuit module and a cooling system for an internal-combustion engine motor vehicle comprising such a module.
  • the object of the present invention in particular is to meet at least one and preferably all the requirements set out above.
  • a cooling circuit module for an internal-combustion engine motor vehicle, said circuit consisting substantially, on the one hand, of a main circuit forming a circulation loop on the cooling means for the cylinders and cylinder heads of the engine, incorporating a feed pump in a common circuit segment and comprising two parallel circuit segments, in series with the common segment, of which one traverses a water/oil heat exchanger and the other incorporates a regulating device and, on the other hand, of two secondary circuits extending in shunt from the above-mentioned main circuit, each incorporating a respective regulating device, one traversing the radiator of a main unit heater dissipating the recovered heat in the surrounding environment and the other traversing the radiator of a secondary unit heater used to heat the interior of the vehicle, the module being characterised in that it is formed by assembly, in the region of a connection plane or assembly zones, of two parts sandwiched together, with at least partial nesting in the end portions of at least two conduit segments juxtaposed to form at least
  • the invention also relates to a cooling circuit for vehicles with thermal engines, substantially consisting, on the one hand, of a main circuit forming a circulation loop on the cooling means for the engine cylinders and cylinder heads, incorporating a feed pump in a common circuit segment and comprising two parallel circuit segments, of which one traverses a water/oil heat exchanger, and the other incorporates a regulating device, on the other hand, of two secondary circuits extending in shunt from the main circuit, each incorporating a respective regulating device, one traversing the radiator of a main unit heater dissipating the recovered heat in the surrounding environment, and the other traversing the radiator of a secondary unit heater used to heat the interior of the vehicle, and finally, of a circuit in shunt for gas extraction and charging traversing a reservoir of cooling liquid, characterised in that it comprises a central structural module such as described above.
  • Figure 1 shows symbolically and Figures 2 to 8 show in the form of an effective embodiment, a central module 24 for the cooling circuit 25 of a vehicle with an internal-combustion engine.
  • Said circuit 25 consists substantially, on the one hand, of a main circuit 15 forming a circulation loop on the means 16 of cooling the cylinders and cylinder heads of the engine, incorporating a feed pump 17 in a common circuit segment 17' and comprising two parallel circuit segments 18 and 18', in series with the common segment 17', of which one traverses a water/oil heat exchanger 19 (possibly associated with an oil filter 19') and the other incorporates a regulating device 22 and, on the other hand, of two secondary circuits 20 and 21 extending in shunt from the above-mentioned main circuit 15, each incorporating a respective regulating device 4, 4', with one traversing the radiator 20' of a main unit heater dissipating the recovered heat in the surrounding atmosphere and the other traversing the radiator 21' of a secondary unit heater used to heat the interior of the vehicle.
  • said module 24 is characterised in that it is formed by assembly, in the region of a connection plane P or assembly zones, of two parts 11 and 12 made of thermoplastic material(s) sandwiched together, with at least partial nesting in end portions 6, 6'; 8, 8' of at least two conduit segments 7, 7'; 9, 9' juxtaposed to form at least one corresponding circulation line 3; 3' of the cooling circuit, at least one conduit portion 2; 2' containing a device 4, 4' to measure or regulate the flow in the line 3; 3' concerned, and in that said module 24 incorporates at least the conduits forming the main circuit 15, conduit segments forming parts 20", 21" of the secondary circuits 20 and 21, at least one part of the feed pump 17, and the three regulating devices 4, 4', 22.
  • the module 24 advantageously comprises at least two conduit portions 2, 2' assembled so as to each nest in the opposite end portions 6 and 6'; 8 and 8' of two conduit segment pairs 7 and 7'; 9 and 9' each of which forms by end to end association, in the region of the plane P or assembly zones, of its two segments, a corresponding circulation line 3; 3', each conduit portion 2, 2' comprising a device 4, 4' for regulating or measuring the flow, said portions being possibly formed together all in one piece.
  • the conduit portion(s) 2, 2' are formed all in one piece with a part 5' at least of means 5 for control, actuation or checking of the measuring or regulating device(s) 4, 4' and/or a protection housing 5" containing these means.
  • conduit segments 7 and 9 may, as illustrated in the accompanying Figures 2 to 8, 9A and 11 to 14, be brought together in a single segment with a single end portion 6, 8, the form of which is adapted to receive in a close-fitting manner, the constituent nesting parts of the two conduit portions 2, 2' of the side concerned.
  • conduit segments 7 and 19, together with the portions 6 and 8, may also be individualised and separated ( Figure 9B).
  • the mechanical and fluidic assembly of the two parts 11 and 12 may also be achieved in the region of at least one other circuit segment, of which the constituent conduit is at least partially formed in the module.
  • two parts 21" of the circuit segment 18, each of which is incorporated in one of the two parts 11 and 12, may be assembled by jointing or partial nesting in the region of end portions 28, 28' of suitable shape.
  • said module 24 will also comprise one of the conduit segments forming parts 23" of a circuit in shunt 23 for gas extraction and charging of the pump 17, forming part of the cooling circuit and traversing a reservoir 23' of cooling liquid.
  • said flaps 4 and 4' are advantageously disposed in respective conduit portions 2, 2', connected to each other and to at least one part 5' of the housing 5" containing said actuating means 5, each conduit portion 2; 2' being nested, in a sealed manner, at least partially in the end portions 6, 6'; 8, 8' opposite two conduit segments 7, 7'; 9, 9' forming by cooperation in axial juxtaposition, the portion of circulation line 3; 3' of which the traversing flow is controlled by the flap 4; 4' mounted in the conduit portion 2; 2' concerned.
  • Said device 1 is thus mounted in the circulation line portions 3 and 3' by simple nesting, as a connection insert, with no need for an additional support or fixing means.
  • the different conduit portions 2, 2' and the part 5' of housing 5" integral therewith are formed all in one piece, for example by injection moulding in a thermoplastic material.
  • the end portions 6, 6'; 7, 7' of conduit segments 7, 7'; 9, 9' are provided with assembly means 10 that allow contiguous juxtaposition with axial gripping of the pairs 7 and 7'; 9 and 9' of opposed conduit segments intended to cooperate to each form a circulation line portion 3; 3', at least said end portions 6, 6'; 8, 8' of said conduit segments 7, 7'; 9, 9' being grouped adjacent to each other in the two structural units 11 and 12, each preferably all in one piece.
  • each end portion 6, 6', 8, 8' of conduit segments 7, 7'; 9, 9' is provided with a mounting flange 10, preferably formed all in one piece with said end portion 6, 6', 8, 8' concerned or with the structural unit 11 or 12 comprising said end portion, and comprising reception sites 10' for assembly means (for example screw-nut units) to connect said flange 10 with the mounting flange 10 of the end portion 6, 6', 8, 8' juxtaposed to form, by contiguous association of their respective conduit segment 7, 7', 9, 9', a corresponding circulation line portion 3, 3', the conduit portions 2, 2' forming inserted connection segments, providing a passage with no loss of charge between the conduit segments assembled respectively with each other 7, 7'; 9, 9'.
  • assembly means for example screw-nut units
  • conduit portions 2, 2' may comprise on each of their constituent parts 2" intended to be nested in corresponding end portions 6, 6'; 7, 7' of the conduit segments 7, 7'; 9, 9' juxtaposed and assembled to form the line portions 3; 3', at least one external rib 13 and said end portions 6, 6'; 8, 8' of said conduit segments 7, 7', 9, 9' have enlarged parts in relation to the common parts of said conduit segments 7, 7'; 9, 9', the depth or length of each end portion 6, 6'; 8, 8' being equal to the length of the corresponding constituent part 2" of the conduit portion 2, 2' intended to be nested in it, the transverse or sectional dimensions of each end portion 6, 6'; 8, 8' being substantially equal to, or even slightly less than, the peripheral dimensions of the external rib(s) 13 of the constituent part 2" of said nesting conduit portion 2, 2' concerned and the internal part of each conduit portion 2, 2'
  • each constituent part 2" of each conduit portion 2, 2' comprises two parallel external ribs 13 forming between them a reception groove 13' of an O-ring 13", some of said ribs 13 possibly extending over a plurality of constituent parts 2", the corresponding conduit segments 7'; 9' receiving these parts 2" then comprising a common end portion 6', 8' of which the cross-section is adapted to the shape and external dimensions of said ribs 13 extending over a plurality of constituent parts 2" (see in particular Figures 9 to 14).
  • the external faces of the conduit portions 2, 2' are provided with substantially ring-shaped radial formations 14, extending substantially perpendicular to said faces and possibly all in one piece, providing stop surfaces 14' opposed to the end portions 6, 6'; 8, 8' of the conduit segments 7, 7'; 9, 9' juxtaposed to form the line portions 3; 3' and sandwiched, and if necessary gripped by pinching, between said pairs of end portions 6, 6'; 8, 8' facing each other and forming the different circulation line portions 3, 3'.
  • a body in the form of a small plate extending round the conduit portions 2 and 2' is obtained and produces the mutual connection of said portions and of the upper part 5' of the housing 5" containing the actuating means 5, by unifying them in a single structural part, obtained for example by injection moulding of a thermoplastic material.
  • the device 1 will comprise two parallel conduit portions 2, 2', formed all in one piece, each with a determined passage cross-section, possibly different from each other, the flaps 4, 4' forming regulating devices and disposed in said two conduit portions 2, 2' having different angular orientations round the axis X of the control rod 4".
  • the flap valve device 1 comprises, on the one hand, the regulating device 4 of one 18' of the two parallel circuit segments 18, 18' of the main circuit 15 and, on the other hand, the regulating device 4' of the secondary circuit 21 traversing the radiator 21 of the secondary unit heater.
  • a first 11 of the two parts comprises the feed pump 17 and its flange 17" for mounting and fluidic connection on the engine block, certain parts of the conduits forming the main circuit 15, a portion of the secondary circuit 20 traversing the radiator 20', and also the end portions 6 and 8 of the segments 7 and 9.
  • the second 12 of the two parts in this case comprises the complementary parts of the conduits forming the main circuit 15, other secondary circuit portions 20, the parts 21" of the secondary circuit 21, the part 23" of the gas extraction and charging circuit 23, and the end portions 6' and 8' of the segments 7' and 9'.
  • said two parts 11 and 12 are assembled solely in the region of the end portions 6, 6'; 8, 8' of the conduit segments 7,7'; 9, 9' by end to end contact with interposition of the radial formations 14 of the flap valve device 1, thus defining a connection plane P perpendicular to the parallel circulation directions in the circulation line portions 3 and 3' forming part respectively of the parallel circuit segment 18 of the main circuit 15 and of the secondary circuit 20 traversing the radiator 20' and consisting by juxtaposed assembly of the conduit segments 7, 7'; 9, 9' receiving by partial nesting the corresponding constituent parts 2" of the conduit portions 2 and 2' of the flap valve device 1.
  • the resulting module 24 therefore has, as illustrated in the above-mentioned figures, an elongated structure that is not very wide or thick and extends, after assembly, along one side only of the engine.
  • the pump casing 17 is advantageously formed by assembly by vibration welding of two complementary parts made of a thermoplastic material and situated at the end of the part 11 opposed to the end portions 6 and 8.
  • the electric drive motor 26 of the pump 17 will preferably be mounted in continuity in the longitudinal direction of the module 24, after the casing of this pump 17.
  • the part 12 may also be formed by assembly by vibration welding of two constituent parts made by injection moulding (the cutaway in Figure 5 shows one of the two parts, together with the connection plane).
  • the internal circuit of the water/oil heat exchanger 19, associated with an oil filter, and in the form of a module with said oil filter, will be connected to the circuit segment 18 by two inlet/outlet joining pieces while being incorporated in the general form of the module 24, and a temperature sensor 27 may be provided close to the passage interface of the means 16 of cooling the engine and cylinder heads towards the main circuit 15.
  • the regulation device 22 may consist of a flap valve with proportional control and of which the actuating motor 22' is mounted radially on the module 24.
  • This regulating device 22 may for example be produced in the form of a flap valve such as that described in the French patent applications referred to previously.
  • a cooling circuit 25 for vehicles with thermal engines substantially consisting, on the one hand, of a main circuit 15 forming a circulation loop on the means 16 of cooling the cylinders and cylinder heads of the engine, incorporating a feed pump 17 in a common circuit segment 17' and comprising two circuit segments 18 and 18' in parallel of which one 18 traverses a water/oil heat exchanger 19 and the other 18' incorporates a regulating device 22, on the other hand, two secondary circuits 20 and 21 extending in shunt on the main circuit 15, each incorporating a respective regulating device 4, 4', one traversing the radiator of a main unit heater dissipating the heat recovered in the surrounding environment, and the other traversing the radiator 21' of a secondary unit heater used to heat the interior of the vehicle and, finally, a circuit in shunt for gas extraction and charging 23 traversing a reservoir 23' of cooling liquid, characterised in that it comprises a central structural module 24
  • references A to H designate the interface points or zones (inlet/outlet openings) between the module 24 and the other components of the cooling circuit 25.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
EP03015553A 2002-07-11 2003-07-10 Module und Kühlungskreislauf mit solchem Modul Expired - Lifetime EP1380735B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0208781 2002-07-11
FR0208781A FR2842249B1 (fr) 2002-07-11 2002-07-11 Module et circuit de refroidissement comprenant un tel module

Publications (2)

Publication Number Publication Date
EP1380735A1 true EP1380735A1 (de) 2004-01-14
EP1380735B1 EP1380735B1 (de) 2007-09-05

Family

ID=29725313

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03015553A Expired - Lifetime EP1380735B1 (de) 2002-07-11 2003-07-10 Module und Kühlungskreislauf mit solchem Modul

Country Status (5)

Country Link
EP (1) EP1380735B1 (de)
AT (1) ATE372450T1 (de)
DE (1) DE60316075T2 (de)
ES (1) ES2290387T3 (de)
FR (1) FR2842249B1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4136773C1 (en) * 1991-11-08 1992-12-17 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart, De Distributor housing for IC V-engine - has flat baseplate with top and bottom coupling plane, with latter releasably flanged to crankcase
DE4308002C1 (de) * 1993-03-13 1994-08-25 Iav Gmbh Verteilereinrichtung für das Kühl- bzw. Heizsystem von Fahrzeugen mit Verbrennungsmotoren
EP0889211A2 (de) * 1997-07-02 1999-01-07 Nippon Thermostat Co., Ltd. Vorrichtung und Verfahren zur Kühlungsregelung für eine Brennkraftmaschine
US6112706A (en) * 1997-11-06 2000-09-05 Tcg Unitech Aktiengesellschaft Cooling system for motor vehicles
EP1201889A1 (de) * 2000-10-27 2002-05-02 Mark IV Systemes Moteurs (Société Anonyme) Kühlungseinheit für Kraftfahrzeuge

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4136773C1 (en) * 1991-11-08 1992-12-17 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart, De Distributor housing for IC V-engine - has flat baseplate with top and bottom coupling plane, with latter releasably flanged to crankcase
DE4308002C1 (de) * 1993-03-13 1994-08-25 Iav Gmbh Verteilereinrichtung für das Kühl- bzw. Heizsystem von Fahrzeugen mit Verbrennungsmotoren
EP0889211A2 (de) * 1997-07-02 1999-01-07 Nippon Thermostat Co., Ltd. Vorrichtung und Verfahren zur Kühlungsregelung für eine Brennkraftmaschine
US6112706A (en) * 1997-11-06 2000-09-05 Tcg Unitech Aktiengesellschaft Cooling system for motor vehicles
EP1201889A1 (de) * 2000-10-27 2002-05-02 Mark IV Systemes Moteurs (Société Anonyme) Kühlungseinheit für Kraftfahrzeuge

Also Published As

Publication number Publication date
FR2842249B1 (fr) 2004-09-24
ES2290387T3 (es) 2008-02-16
ATE372450T1 (de) 2007-09-15
DE60316075T2 (de) 2008-06-05
FR2842249A1 (fr) 2004-01-16
DE60316075D1 (de) 2007-10-18
EP1380735B1 (de) 2007-09-05

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