EP1443187B1 - Cooling water pump module - Google Patents

Cooling water pump module Download PDF

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Publication number
EP1443187B1
EP1443187B1 EP04001768A EP04001768A EP1443187B1 EP 1443187 B1 EP1443187 B1 EP 1443187B1 EP 04001768 A EP04001768 A EP 04001768A EP 04001768 A EP04001768 A EP 04001768A EP 1443187 B1 EP1443187 B1 EP 1443187B1
Authority
EP
European Patent Office
Prior art keywords
internal combustion
combustion engine
water pump
module
cooling
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
EP04001768A
Other languages
German (de)
French (fr)
Other versions
EP1443187A1 (en
Inventor
Lothar Bauer
Holger Zimmermann
Wilhelm Feuser
Kai Tedsen
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.)
Deutz AG
Original Assignee
Deutz AG
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Filing date
Publication date
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Publication of EP1443187A1 publication Critical patent/EP1443187A1/en
Application granted granted Critical
Publication of EP1443187B1 publication Critical patent/EP1443187B1/en
Anticipated expiration legal-status Critical
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Classifications

    • 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
    • F01M5/002—Cooling
    • 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
    • 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
    • F01M2011/031—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means characterised by mounting means
    • F01M2011/033—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means characterised by mounting means comprising coolers or heat exchangers
    • 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
    • F01P2050/00—Applications
    • F01P2050/30—Circuit boards
    • 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
    • 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
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • F01P5/12—Pump-driving arrangements
    • 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

Definitions

  • the invention relates to an internal combustion engine in which a crankshaft is rotatably mounted on which at least one piston carrying a connecting rod is articulated, wherein the piston is movable in a cylinder head covered by a cylinder and wherein the crankshaft mounted in a front of the crankcase and at least one integrated channel for cooling water having cooling water pump module arranged cooling water pump and a generator are driven by a belt, wherein the cooling water pump module is arranged in the region of the transition from the front to a side wall of the internal combustion engine, and wherein the channel is in flow communication with an oil cooler module.
  • Such an internal combustion engine is known from EP 1 211 391 A1.
  • This internal combustion engine has a one-piece housing module for a cooling water pump and at least one oil cooler, which is designed as a separate cast housing and is attached to the front side of the internal combustion engine.
  • the oil cooler is mounted in the area of the transition from the front side to a side wall to the housing.
  • This housing also serves as attachment of other auxiliary devices of the internal combustion engine, wherein a complicated system of supports is provided which receives auxiliary equipment. Overall, this is a complicated structure, with the individual auxiliary devices are driven by several belts in different levels.
  • the invention has for its object to provide an internal combustion engine with a cooling water pump module that causes a structural simplification of the internal combustion engine by arrangement and training.
  • the independent oil cooler module is arranged on the side wall of the internal combustion engine and that connections for connection to a cooling water heat exchanger and a surge tank are attached to the cooling water pump module. Due to the fact that the cooling water pump module is arranged in the region of the transition from the front side to a side wall of the internal combustion engine, there remains room on the remaining front side for further devices which are arranged and fastened directly to the crankcase or a wheel or chain case. Furthermore, the cooling water channel integrated in the cooling water pump module is connected to an oil cooler module. This is done without further guidance by directly abutting the two modules. The oil cooler module is arranged on the side wall of the internal combustion engine, which is adjacent to the cooling water pump module.
  • connection for connection to a cooling water heat exchanger and a surge tank are attached to the cooling water pump module. These two connections are arranged so that they are on the one hand outside the running range of the belt and on the other hand, both the cooling water heat exchanger and the expansion tank can be connected via a short hose.
  • the connection for connection to the expansion tank is preferably in Connection region of the connection for the hose to the cooling water heat exchanger arranged.
  • a cooling water short circuit branching off from a thermostatic valve module is connected to the cooling water pump module without a lead.
  • Cordless means that there is no external line, for example in the form of a hose.
  • the thermostatic valve module can also be formed integrally with the cooling water pump module.
  • the cooling water pump module can be completely prefabricated with all the necessary components and mounted as a complete unit to the internal combustion engine.
  • the cooling water pump module is also suitable for internal combustion engines of a series with different numbers of cylinders, where appropriate, for example, different powerful water pumps are installed.
  • a mounting saddle for a generator is arranged on the cooling water pump module.
  • the mounting saddle is arranged so that the generator is arranged above the oil cooler module and is driven by the same belt, which also drives the cooling water pump.
  • the belt is guided over a deflection roller and a belt tensioner.
  • the deflection roller and the belt tensioner are arranged so that sufficient wrap angles are present on the individual drive rollers, wherein in a further embodiment, the deflection roller is the drive for an integrated into the cooling water pump module fuel pump.
  • an oil filter is arranged on the oil cooler module.
  • the oil cooler module and / or the cooling water pump module are the Anschraubbasis for an engine control unit. This has the advantage that a favorable mounting location is available for the engine control unit, since the necessary line connections to the sensors, valves and other components in or on the internal combustion engine can be produced via short lines.
  • a likewise arranged on the front side lubricating oil pump housing is formed integrally with the cooling water pump module and the oil cooler module is screwed from behind against it.
  • the sealing surface of the lubricating oil pump housing and the oil cooler module lies on a plane and thus forms the Anflansch configuration for the oil cooler module outside the sealing surface to the crankcase.
  • a complete module may include the thermostatic valve module, the cooling water pump module, the lubricating oil pump housing, and a fan impeller support. This complete module can be delivered pre-completed to the assembly line with oil pump, cooling water pump, crankshaft shaft seal and thermostatic valve. The frontal flanging of the cooling water pump module to the oil cooler module reduces deflections of the cooling water flow and thus reduces the coolant-side flow resistance.
  • the internal combustion engine 1 is designed as a self-igniting six-cylinder (or alternatively as a four-cylinder) engine and preferably has a common rail injection system.
  • the high-pressure accumulator 2 of the common-rail injection system is arranged along the row of cylinders at the level of the parting plane between the cylinder head 3 and the valve cover hood 4.
  • the high-pressure accumulator 2 has ports, to which injection lines are connected, which connect the high-pressure accumulator 2 with injection valves in the cylinder head 3. Further connections to the high pressure accumulator 2 are connected via high pressure lines with two high pressure pumps 5, which are embedded in lateral openings of the crankcase 6 of the internal combustion engine 1 at the level of the parting plane between the crankcase 6 and the cylinder head 3.
  • the high-pressure pumps 5 are driven directly by the gas exchange camshaft of the internal combustion engine 1, which accordingly identifies at least two high pressure cams in addition to the gas exchange cams.
  • the internal combustion engine 1 has a belt drive with a belt 7 designed as a flat belt, which belt is fastened by a drive wheel 8 mounted on the crankshaft of the internal combustion engine 1 via a belt tensioner 9, the drive wheel 10 of a cooling water pump 10a, a generator 11 and further via a guide roller 12, which also represents in one embodiment, the drive for a built-in cooling water pump module fuel pump, a fan 13 drives.
  • a belt drive with a belt 7 designed as a flat belt, which belt is fastened by a drive wheel 8 mounted on the crankshaft of the internal combustion engine 1 via a belt tensioner 9, the drive wheel 10 of a cooling water pump 10a, a generator 11 and further via a guide roller 12, which also represents in one embodiment, the drive for a built-in cooling water pump module fuel pump, a fan 13 drives.
  • a fan 13 drives.
  • the fan in Fig. 1 is not mounted on the fan 13.
  • the cooling water pump 10 a is installed in a cooling water pump module 14, wherein the cooling water pump module 14 is arranged in the region of the transition from the front side 15 to a side wall 16 of the internal combustion engine 1.
  • the cooling water pump module 14 has a fastening saddle 17 for the generator 11, wherein furthermore the deflection roller 12 and the belt tensioner 9 are likewise fastened or arranged on the cooling water pump module 14.
  • the fan wheel 13 is arranged on a support 18 (FIG. 3) designed as a tripod, which is fastened next to the cooling water pump module 14 on the front side 15 of the internal combustion engine 1.
  • the cooling water pump module 14 is - as stated - arranged at the transition from the front side 15 to the side wall 16 and protrudes with a partial area on the front side 15 of the side wall 16 separating edge.
  • the oil cooler module 19 carries a designed as a cup filter or cartridge filter cartridge oil filter 20 and includes a built-in oil cooler module 19 caseless heat exchanger in shell construction. Furthermore, 19 valves such as a pressure relief valve and / or a shut-off valve, and sensors such as pressure sensors and / or temperature sensors are installed in the oil cooler module.
  • the cooling water pump module 14 has a connection 21 a for connection to a cooling water heat exchanger and a connection 21 b opening into the connection 21 a for connection to an expansion tank.
  • the terminal 21a forms the entrance of the Cooling water into the internal combustion engine 1, wherein the incoming cooling water from the cooling water pump 10 via a spiral channel 22 (Fig. 3) is conveyed into a transition channel 23 in the projecting portion, wherein the transition channel 23 with an input channel 24 (Fig. 2) in the Oil cooler module 19 is in communication. From the input channel 24, the cooling water passes to the oil cooler space and is further introduced by this in the internal cooling circuit of the internal combustion engine.
  • thermostatic valve module 25 (FIGS. 1 and 3) which is fastened with an inlet 26 to the outlet of the internal combustion engine.
  • the thermostatic valve is integrated, which initiates the cooling water at low cooling water temperatures directly via a cooling water short circuit 27 in the coming of the terminal 21 a input to the cooling water pump 10 in the cooling water pump module 14.
  • the thermostatic valve module 25 is connected directly without direct line to the cooling water pump module 14 via a plug connection. With hot cooling water, the cooling water is introduced into a front outlet 28 of the thermostatic valve module 25, which in turn is connected to the cooling water heat exchanger via a hose connection.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

The engine (1) has a crankcase with a crankshaft driving a cooling water pump module (14), which is mounted on the front of the crankcase and has at least one integrated cooling water channel, and a generator via a belt. The cooling water pump module is arranged at a region off transition from the front (15) of the engine to a side wall (16) and the channel has a flow connection to an oil cooler module (19).

Description

Die Erfindung betrifft eine Brennkraftmaschine in dem eine Kurbelwelle drehbar gelagert ist, an der zumindest ein einen Kolben tragendes Pleuel angelenkt ist, wobei der Kolben in einen von einem Zylinderkopf abgedeckten Zylinder bewegbar ist und wobei von der Kurbelwelle eine in einem frontseitig an dem Kurbelgehäuse montierten und zumindest einen integrierten Kanal für Kühlwasser aufweisenden Kühlwasserpumpenmodul angeordnete Kühlwasserpumpe und ein Generator mittels eines Riemens angetrieben sind, wobei das Kühlwasserpumpenmodul im Bereich des Übergangs von der Frontseite zu einer Seitenwand der Brennkraftmaschine angeordnet ist, und wobei der Kanal in Strömungsverbindung mit einem Ölkühlermodul steht.The invention relates to an internal combustion engine in which a crankshaft is rotatably mounted on which at least one piston carrying a connecting rod is articulated, wherein the piston is movable in a cylinder head covered by a cylinder and wherein the crankshaft mounted in a front of the crankcase and at least one integrated channel for cooling water having cooling water pump module arranged cooling water pump and a generator are driven by a belt, wherein the cooling water pump module is arranged in the region of the transition from the front to a side wall of the internal combustion engine, and wherein the channel is in flow communication with an oil cooler module.

Eine derartige Brennkraftmaschine ist aus der EP 1 211 391 A1 bekannt. Diese Brennkraftmaschine weist ein einteiliges Gehäusemodul für eine Kühlwasserpumpe und zumindest einen Ölkühler auf, das als eigenständiges Gussgehäuse ausgebildet ist und an der Frontseite der Brennkraftmaschine befestigt ist. Der Ölkühler ist dabei im Bereich des Übergangs von der Frontseite zu einer Seitenwand an das Gehäuse angebaut. Dieses Gehäuse dient gleichzeitig als Befestigung weiterer Hilfsgeräte der Brennkraftmaschine, wobei ein kompliziertes System von Stützen vorhanden ist, das Hilfsgeräte aufnimmt. Insgesamt handelt es sich dabei um ein kompliziertes Gebilde, wobei die einzelnen Hilfsgeräte über mehrere Riemen in verschiedenen Ebenen angetrieben werden.Such an internal combustion engine is known from EP 1 211 391 A1. This internal combustion engine has a one-piece housing module for a cooling water pump and at least one oil cooler, which is designed as a separate cast housing and is attached to the front side of the internal combustion engine. The oil cooler is mounted in the area of the transition from the front side to a side wall to the housing. This housing also serves as attachment of other auxiliary devices of the internal combustion engine, wherein a complicated system of supports is provided which receives auxiliary equipment. Overall, this is a complicated structure, with the individual auxiliary devices are driven by several belts in different levels.

Der Erfindung liegt die Aufgabe zugrunde, eine Brennkraftmaschine mit einem Kühlwasserpumpenmodul anzugeben, dass durch Anordnung und Ausbildung eine bauliche Vereinfachung der Brennkraftmaschine bewirkt.The invention has for its object to provide an internal combustion engine with a cooling water pump module that causes a structural simplification of the internal combustion engine by arrangement and training.

Diese Aufgabe wird dadurch gelöst, dass das eigenständige Ölkühlermodul an der Seitenwand der Brennkraftmaschine angeordnet ist und dass an dem Kühlwasserpumpenmodul Anschlüsse zur Verbindung mit einem Kühlwasserwärmetauscher und einem Ausgleichsbehälter angebracht sind. Dadurch, dass das Kühlwasserpumpenmodul im Bereich des Übergangs von der Frontseite zu einer Seitenwand der Brennkraftmaschine angeordnet ist, verbleibt an der restlichen Frontseite noch Platz für weitere Einrichtungen, die direkt an das Kurbelgehäuse oder einem Räder- bzw. Kettenkasten angeordnet und befestigt sind. Weiterhin steht der in das Kühlwasserpumpenmodul integrierte Kühlwasserkanal in Verbindung mit einem Ölkühlermodul. Dies erfolgt ohne weitere Leitung durch direktes Aneinanderstoßen der beiden Module. Das Ölkühlermodul ist an der Seitenwand der Brennkraftmaschine angeordnet, die an das Kühlwasserpumpenmodul angrenzt. Dabei ist dann entweder das Kühlwasserpumpenmodul oder das Ölkühlermodul über die Seitenwand bzw. die Frontseite hinausgezogen, so dass eine direkte leitungslose Verbindung des Übergangskanals mit dem Ölkühlermodul besteht. Die beiden Module sind dabei eigenständig ausgebildet. Weiterhin sind an dem Kühlwasserpumpenmodul Anschlüsse zur Verbindung mit einem Kühlwasserwärmetauscher und einem Ausgleichsbehälter angebracht. Diese beiden Anschlüsse sind so angeordnet, dass sie einerseits außerhalb des Laufbereiches des Riemens liegen und andererseits über einen kurzen Schlauch sowohl der Kühlwasserwärmetauscher als auch der Ausgleichsbehälter angeschlossen werden können. Dabei ist der Anschluss zur Verbindung mit dem Ausgleichsbehälter bevorzugt im Anbindungsbereich des Anschlusses für den Schlauch zu dem Kühlwasserwärmetauscher angeordnet.This object is achieved in that the independent oil cooler module is arranged on the side wall of the internal combustion engine and that connections for connection to a cooling water heat exchanger and a surge tank are attached to the cooling water pump module. Due to the fact that the cooling water pump module is arranged in the region of the transition from the front side to a side wall of the internal combustion engine, there remains room on the remaining front side for further devices which are arranged and fastened directly to the crankcase or a wheel or chain case. Furthermore, the cooling water channel integrated in the cooling water pump module is connected to an oil cooler module. This is done without further guidance by directly abutting the two modules. The oil cooler module is arranged on the side wall of the internal combustion engine, which is adjacent to the cooling water pump module. In this case, either the cooling water pump module or the oil cooler module is then pulled out beyond the side wall or the front side, so that there is a direct, conduction-free connection of the transition duct to the oil cooler module. The two modules are designed independently. Furthermore, connections for connection to a cooling water heat exchanger and a surge tank are attached to the cooling water pump module. These two connections are arranged so that they are on the one hand outside the running range of the belt and on the other hand, both the cooling water heat exchanger and the expansion tank can be connected via a short hose. In this case, the connection for connection to the expansion tank is preferably in Connection region of the connection for the hose to the cooling water heat exchanger arranged.

In Weiterbildung der Erfindung ist ein von einem Thermostatventilmodul abzweigender Kühlwasserkurzschluss leitungslos mit dem Kühlwasserpumpenmodul verbunden. Leitungslos heißt, dass keine externe Leitung, beispielsweise in Form eines Schlauchs, vorhanden ist. Dabei kann im Rahmen der Erfindung das Thermostatventilmodul auch einstückig mit dem Kühlwasserpumpenmodul ausgebildet sein. Somit kann das Kühlwasserpumpenmodul komplett mit allen erforderlichen Bauteilen vorgefertigt werden und als komplette Einheit an die Brennkraftmaschine angebaut werden. Dabei ist das Kühlwasserpumpenmodul auch für Brennkraftmaschinen einer Baureihe mit unterschiedlichen Zylinderzahlen geeignet, wobei gegebenenfalls beispielsweise unterschiedliche leistungsfähige Wasserpumpen verbaut werden.In a development of the invention, a cooling water short circuit branching off from a thermostatic valve module is connected to the cooling water pump module without a lead. Cordless means that there is no external line, for example in the form of a hose. In this case, in the context of the invention, the thermostatic valve module can also be formed integrally with the cooling water pump module. Thus, the cooling water pump module can be completely prefabricated with all the necessary components and mounted as a complete unit to the internal combustion engine. The cooling water pump module is also suitable for internal combustion engines of a series with different numbers of cylinders, where appropriate, for example, different powerful water pumps are installed.

In Weiterbildung der Erfindung ist an dem Kühlwasserpumpenmodul ein Befestigungssattel für einen Generator angeordnet. Dabei ist der Befestigungssattel so angeordnet, dass der Generator oberhalb des Ölkühlermoduls angeordnet ist und von dem gleichen Riemen angetrieben wird, der auch die Kühlwasserpumpe antreibt.In a further development of the invention, a mounting saddle for a generator is arranged on the cooling water pump module. In this case, the mounting saddle is arranged so that the generator is arranged above the oil cooler module and is driven by the same belt, which also drives the cooling water pump.

In Weiterbildung der Erfindung ist der Riemen über eine Umlenkrolle und einen Riemenspanner geführt. Dabei sind die Umlenkrolle und der Riemenspanner so angeordnet, dass ausreichende Umschlingungswinkel an den einzelnen Antriebsrollen vorhanden sind, wobei in weiterer Ausgestaltung die Umlenkrolle den Antrieb für eine in das Kühlwasserpumpenmodul integrierte Kraftstoffförderpumpe darstellt.In a further development of the invention, the belt is guided over a deflection roller and a belt tensioner. In this case, the deflection roller and the belt tensioner are arranged so that sufficient wrap angles are present on the individual drive rollers, wherein in a further embodiment, the deflection roller is the drive for an integrated into the cooling water pump module fuel pump.

In Weiterbildung der Erfindung ist an dem Ölkühlermodul ein Ölfilter angeordnet. Dadurch werden keine zusätzlichen Leitungen zu einem an einer anderen Stelle der Brennkraftmaschine angeordneten Ölfilter benötigt.In a further development of the invention, an oil filter is arranged on the oil cooler module. As a result, no additional lines to one at a different point of the internal combustion engine arranged oil filter needed.

In Weiterbildung der Erfindung sind in das Ölkühlermodul alle erforderlichen Ventile und Sensoren für den Ölkreislauf integriert. Damit ergibt sich auch bei dem Ölkühlermodul die Möglichkeit, dieses weitgehend vorzumontieren und als Einheit an die Brennkraftmaschine anzubauen.In a further development of the invention, all required valves and sensors for the oil circuit are integrated in the oil cooler module. This also results in the oil cooler module, the possibility of this vorzumontieren largely and grow as a unit to the internal combustion engine.

In weiterer Ausgestaltung der Erfindung sind das Ölkühlermodul und/oder das Kühlwasserpumpenmodul die Anschraubbasis für ein Brennkraftmaschinensteuergerät. Dies hat den Vorteil, dass für das Brennkraftmaschinensteuergerät ein günstiger Anbauplatz zur Verfügung steht, da die erforderlichen Leitungsanschlüsse zu den Sensoren, Ventilen und sonstigen Bauteilen in bzw. an der Brennkraftmaschine über kurze Leitungen herstellbar sind.In a further embodiment of the invention, the oil cooler module and / or the cooling water pump module are the Anschraubbasis for an engine control unit. This has the advantage that a favorable mounting location is available for the engine control unit, since the necessary line connections to the sensors, valves and other components in or on the internal combustion engine can be produced via short lines.

In weiterer Ausgestaltung ist ein ebenfalls frontseitig angeordnetes Schmierölpumpengehäuse mit dem Kühlwasserpumpenmodul einteilig ausgebildet und das Ölkühlermodul ist von hinten dagegen geschraubt. Die Dichtfläche des Schmierölpumpengehäuses und des Ölkühlermoduls liegt auf einer Ebene und bildet so die Anflanschfläche für das Ölkühlermodul außerhalb der Dichtfläche zu dem Kurbelgehäuse. In einer weiteren Zusammenfassung kann ein Komplettmodul das Thermostatventilmodul, das Kühlwasserpumpenmodul, das Schmierölpumpengehäuse und einen Träger für ein Lüfterrad umfassen. Dieses Komplettmodul kann mit Ölpumpe, Kühlwasserpumpe, Wellendichtring für die Kurbelwelle und dem Thermostatventil vorkomplettiert an das Montageband angeliefert werden. Die stirnseitige Anflanschung des Kühlwasserpumpenmoduls an das Ölkühlermodul reduziert Umlenkungen des Kühlwasserstroms und verringert damit den kühlmittelseitigen Strömungswiderstand.In a further embodiment, a likewise arranged on the front side lubricating oil pump housing is formed integrally with the cooling water pump module and the oil cooler module is screwed from behind against it. The sealing surface of the lubricating oil pump housing and the oil cooler module lies on a plane and thus forms the Anflanschfläche for the oil cooler module outside the sealing surface to the crankcase. In another summary, a complete module may include the thermostatic valve module, the cooling water pump module, the lubricating oil pump housing, and a fan impeller support. This complete module can be delivered pre-completed to the assembly line with oil pump, cooling water pump, crankshaft shaft seal and thermostatic valve. The frontal flanging of the cooling water pump module to the oil cooler module reduces deflections of the cooling water flow and thus reduces the coolant-side flow resistance.

Weitere vorteilhafte Ausgestaltungen der Erfindung sind der Zeichnungsbeschreibung zu entnehmen, in der ein in den Figuren dargestelltes Ausführungsbeispiel der Erfindung näher beschrieben ist.Further advantageous embodiments of the invention are described in the drawings, in which an illustrated in the figures embodiment of the invention is described in detail.

Es zeigen:

Fig. 1
eine Ansicht der teilmontierten Brennkraftmaschine,
Fig. 2
eine frontseitige Ansicht der Bauteile Kühlwasserpumpenmodul, Ölkühlermodul und Riementrieb und
Fig. 3
eine rückseitige Ansicht des Kühlwasserpumpenmoduls.
Show it:
Fig. 1
a view of the partially assembled internal combustion engine,
Fig. 2
a front view of the components cooling water pump module, oil cooler module and belt drive and
Fig. 3
a back view of the cooling water pump module.

Die Brennkraftmaschine 1 ist als selbstzündende sechszylindrige (oder alternativ als vierzylindrige) Maschine ausgelegt und weist bevorzugt ein Common-Rail-Einspritzsystem auf. Der Hochdruckspeicher 2 des Common-Rail-Einspritzsystems ist entlang der Zylinderreihe in Höhe der Trennebene zwischen dem Zylinderkopf 3 und der Ventildeckelhaube 4 angeordnet. Der Hochdruckspeicher 2 weist Anschlüsse auf, an die Einspritzleitungen angeschlossen sind, die den Hochdruckspeicher 2 mit Einspritzventilen in dem Zylinderkopf 3 verbinden. Weitere Anschlüsse an dem Hochdruckspeicher 2 sind über Hochdruckleitungen mit zwei Hochdruckpumpen 5 verbunden, die in seitliche Öffnungen des Kurbelgehäuses 6 der Brennkraftmaschine 1 in Höhe der Trennebene zwischen dem Kurbelgehäuse 6 und dem Zylinderkopf 3 eingelassen sind. Die Hochdruckpumpen 5 werden direkt von der Gaswechselventilnockenwelle der Brennkraftmaschine 1 angetrieben, die dementsprechend neben den Gaswechselnocken zumindest zwei Hochdrucknocken ausweist.The internal combustion engine 1 is designed as a self-igniting six-cylinder (or alternatively as a four-cylinder) engine and preferably has a common rail injection system. The high-pressure accumulator 2 of the common-rail injection system is arranged along the row of cylinders at the level of the parting plane between the cylinder head 3 and the valve cover hood 4. The high-pressure accumulator 2 has ports, to which injection lines are connected, which connect the high-pressure accumulator 2 with injection valves in the cylinder head 3. Further connections to the high pressure accumulator 2 are connected via high pressure lines with two high pressure pumps 5, which are embedded in lateral openings of the crankcase 6 of the internal combustion engine 1 at the level of the parting plane between the crankcase 6 and the cylinder head 3. The high-pressure pumps 5 are driven directly by the gas exchange camshaft of the internal combustion engine 1, which accordingly identifies at least two high pressure cams in addition to the gas exchange cams.

Frontseitig weist die Brennkraftmaschine 1 einen Riementrieb mit einem als Flachriemen ausgebildeten Riemen 7 auf, der von einem auf der Kurbelwelle der Brennkraftmaschine 1 befestigten Treibrad 8 über einen Riemenspanner 9 das Antriebsrad 10 einer Kühlwasserpumpe 10a, einen Generator 11 und weiter über eine Umlenkrolle 12, die zudem in einer Ausführungsvariante den Antrieb für eine in das Kühlwasserpumpenmodul integrierte Kraftstoffpumpe darstellt, ein Lüfterrad 13 antreibt. Zur besseren Übersicht ist der Lüfter in Fig. 1 nicht auf dem Lüfterrad 13 montiert.On the front side, the internal combustion engine 1 has a belt drive with a belt 7 designed as a flat belt, which belt is fastened by a drive wheel 8 mounted on the crankshaft of the internal combustion engine 1 via a belt tensioner 9, the drive wheel 10 of a cooling water pump 10a, a generator 11 and further via a guide roller 12, which also represents in one embodiment, the drive for a built-in cooling water pump module fuel pump, a fan 13 drives. For a better overview of the fan in Fig. 1 is not mounted on the fan 13.

Die Kühlwasserpumpe 10a ist in einem Kühlwasserpumpenmodul 14 eingebaut, wobei das Kühlwasserpumpenmodul 14 im Bereich des Übergangs von der Frontseite 15 zu einer Seitenwand 16 der Brennkraftmaschine 1 angeordnet ist. Das Kühlwasserpumpenmodul 14 weist einen Befestigungssattel 17 für den Generator 11 auf, wobei weiterhin die Umlenkrolle 12 und der Riemenspanner 9 ebenfalls an dem Kühlwasserpumpenmodul 14 befestigt bzw. angeordnet sind. Das Lüfterrad 13 ist auf einem als Dreibein ausgebildeten Träger 18 (Fig. 3) angeordnet, der neben dem Kühlwasserpumpenmodul 14 an der Frontseite 15 der Brennkraftmaschine 1 befestigt ist. Das Kühlwasserpumpenmodul 14 ist - wie ausgeführt - am Übergang von der Frontseite 15 zu der Seitenwand 16 angeordnet und ragt dabei mit einem Teilbereich über die Frontseite 15 von der Seitenwand 16 trennenden Kante hinaus. An diesen Teilbereich schließt ein Ölkühlermodul 19 an, das an der Seitenwand 16 befestigt ist. Das Ölkühlermodul 19 trägt einen als Becherfilter oder Wechselpatronenfilter ausgebildeten Ölfilter 20 und enthält einen in das Ölkühlermodul 19 integrierten gehäuselosen Wärmetauscher in Schalenbauweise. Weiterhin sind in das Ölkühlermodul 19 Ventile wie ein Überdruckventil und/oder ein Absteuerventil, sowie Sensoren wie Drucksensoren und/oder Temperatursensoren eingebaut.The cooling water pump 10 a is installed in a cooling water pump module 14, wherein the cooling water pump module 14 is arranged in the region of the transition from the front side 15 to a side wall 16 of the internal combustion engine 1. The cooling water pump module 14 has a fastening saddle 17 for the generator 11, wherein furthermore the deflection roller 12 and the belt tensioner 9 are likewise fastened or arranged on the cooling water pump module 14. The fan wheel 13 is arranged on a support 18 (FIG. 3) designed as a tripod, which is fastened next to the cooling water pump module 14 on the front side 15 of the internal combustion engine 1. The cooling water pump module 14 is - as stated - arranged at the transition from the front side 15 to the side wall 16 and protrudes with a partial area on the front side 15 of the side wall 16 separating edge. An oil cooler module 19, which is fastened to the side wall 16, adjoins this subarea. The oil cooler module 19 carries a designed as a cup filter or cartridge filter cartridge oil filter 20 and includes a built-in oil cooler module 19 caseless heat exchanger in shell construction. Furthermore, 19 valves such as a pressure relief valve and / or a shut-off valve, and sensors such as pressure sensors and / or temperature sensors are installed in the oil cooler module.

Das Kühlwasserpumpenmodul 14 weist einen Anschluss 21 a zur Verbindung mit einem Kühlwasserwärmetauscher sowie einen in den Anschluss 21a einmündenden Anschluss 21b zur Verbindung mit einem Ausgleichsbehälter auf. Der Anschluss 21a bildet den Eintritt des Kühlwassers in die Brennkraftmaschine 1, wobei das eintretende Kühlwasser von der Kühlwasserpumpe 10 über einen spiralförmigen Kanal 22 (Fig. 3) in einen Übergangskanal 23 in dem überstehenden Teilbereich gefördert wird, wobei der Übergangskanal 23 mit einem Eingangskanal 24 (Fig. 2) in dem Ölkühlermodul 19 in Verbindung steht. Von dem Eingangskanal 24 gelangt das Kühlwasser zu dem Ölkühlerraum und wird von diesem weiter in den internen Kühlkreislauf der Brennkraftmaschine eingeleitet. Nachdem das Kühlwasser die Kühlwasserräume der Brennkraftmaschine durchströmt hat, gelangt es über einen zentralen Auslass in ein Thermostatventilmodul 25 (Fig. 1 und Fig. 3), das mit einem Einlass 26 an dem Auslass der Brennkraftmaschine befestigt ist. In den Thermostatventilmodul 25 ist das Thermostatventil integriert, das das Kühlwasser bei niedrigen Kühlwassertemperaturen direkt über einen Kühlwasserkurzschluss 27 in den von dem Anschluss 21 a kommenden Eingang zu der Kühlwasserpumpe 10 in dem Kühlwasserpumpenmodul 14 einleitet. Hierzu ist das Thermostatventilmodul 25 direkt ohne direkte Leitung mit dem Kühlwasserpumpenmodul 14 über eine Steckverbindung verbunden. Bei heißem Kühlwasser wird das Kühlwasser in einen frontseitigen Auslass 28 des Thermostatventilmoduls 25 eingeleitet, der wiederum mit dem Kühlwasserwärmetauscher über eine Schlauchverbindung verbunden ist.The cooling water pump module 14 has a connection 21 a for connection to a cooling water heat exchanger and a connection 21 b opening into the connection 21 a for connection to an expansion tank. The terminal 21a forms the entrance of the Cooling water into the internal combustion engine 1, wherein the incoming cooling water from the cooling water pump 10 via a spiral channel 22 (Fig. 3) is conveyed into a transition channel 23 in the projecting portion, wherein the transition channel 23 with an input channel 24 (Fig. 2) in the Oil cooler module 19 is in communication. From the input channel 24, the cooling water passes to the oil cooler space and is further introduced by this in the internal cooling circuit of the internal combustion engine. After the cooling water has flowed through the cooling water chambers of the internal combustion engine, it passes through a central outlet into a thermostatic valve module 25 (FIGS. 1 and 3) which is fastened with an inlet 26 to the outlet of the internal combustion engine. In the thermostatic valve module 25, the thermostatic valve is integrated, which initiates the cooling water at low cooling water temperatures directly via a cooling water short circuit 27 in the coming of the terminal 21 a input to the cooling water pump 10 in the cooling water pump module 14. For this purpose, the thermostatic valve module 25 is connected directly without direct line to the cooling water pump module 14 via a plug connection. With hot cooling water, the cooling water is introduced into a front outlet 28 of the thermostatic valve module 25, which in turn is connected to the cooling water heat exchanger via a hose connection.

Claims (8)

  1. Internal combustion engine having a crankcase (6), in which a crankshaft is mounted rotatably, on which at least one connecting rod which carries a piston is articulated, the piston being movable in a cylinder which is covered by a cylinder head (3), and a generator (11) and a cooling-water pump (10a) which is arranged in a cooling-water pump module (14) which is mounted on the front side of the crankcase (6) and has at least one integrated channel for cooling water being driven by the crankshaft by means of a belt (7), the cooling-water pump module (14) being arranged in the region of the transition from the front side (15) to a side wall (16) of the internal combustion engine (1), and the channel (23) being flow-connected to an oil-cooler module (19), characterized in that the independent oil-cooler module (19) is arranged on the side wall (16) of the internal combustion engine (1), and in that connections (21a, 21b) are attached to the cooling-water pump module (14) for connection to a cooling-water heat exchanger and an equalizing container.
  2. Internal combustion engine according to one of the preceding claims, characterized in that a cooling-water short circuit (27) which branches off from a thermostat valve module (25) is connected to the cooling-water pump module (14) in a line-free manner.
  3. Internal combustion engine according to one of the preceding claims, characterized in that a fastening bracket (17) for a generator (11) is arranged on the cooling-water pump module (14).
  4. Internal combustion engine according to one of the preceding claims, characterized in that the belt (7) is guided over a deflection roller (12) and a belt tensioner (9).
  5. Internal combustion engine according to Claim 6, characterized in that the deflection roller (12) forms the drive for a fuel delivery pump which is integrated into the cooling-water pump module (14).
  6. Internal combustion engine according to one of the preceding claims, characterized in that an oil filter (20) is arranged on the oil-cooler module (19).
  7. Internal combustion engine according to one of the preceding claims, characterized in that valves and sensors for the oil circuit are integrated into the oil-cooler module (19).
  8. Internal combustion engine according to one of the preceding claims, characterized in that the oil-cooler module (19) and/or the cooling-water pump module (14) are the screw-on base for a control unit of an internal combustion engine.
EP04001768A 2003-01-28 2004-01-28 Cooling water pump module Expired - Lifetime EP1443187B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10303102 2003-01-28
DE10303102A DE10303102A1 (en) 2003-01-28 2003-01-28 Internal combustion engine has cooling water pump module arranged at region of transition from front of engine to side wall with water channel with flow connection to oil cooler module

Publications (2)

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EP1443187A1 EP1443187A1 (en) 2004-08-04
EP1443187B1 true EP1443187B1 (en) 2007-02-07

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EP04001768A Expired - Lifetime EP1443187B1 (en) 2003-01-28 2004-01-28 Cooling water pump module

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EP (1) EP1443187B1 (en)
AT (1) ATE353395T1 (en)
DE (2) DE10303102A1 (en)

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ATE353395T1 (en) 2007-02-15
DE502004002841D1 (en) 2007-03-22
EP1443187A1 (en) 2004-08-04
DE10303102A1 (en) 2004-07-29

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