EP1517014B1 - Kühlungseinrichtung für die Kolben einer Brennkraftmaschine - Google Patents

Kühlungseinrichtung für die Kolben einer Brennkraftmaschine Download PDF

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Publication number
EP1517014B1
EP1517014B1 EP04356150A EP04356150A EP1517014B1 EP 1517014 B1 EP1517014 B1 EP 1517014B1 EP 04356150 A EP04356150 A EP 04356150A EP 04356150 A EP04356150 A EP 04356150A EP 1517014 B1 EP1517014 B1 EP 1517014B1
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EP
European Patent Office
Prior art keywords
engine
crankcase
cooling system
cooling
orifice
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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.)
Not-in-force
Application number
EP04356150A
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English (en)
French (fr)
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EP1517014A1 (de
Inventor
Christophe Bontaz
Michael Bonvalot
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Bontaz Centre SA
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Bontaz Centre SA
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Publication date
Application filed by Bontaz Centre SA filed Critical Bontaz Centre SA
Publication of EP1517014A1 publication Critical patent/EP1517014A1/de
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Publication of EP1517014B1 publication Critical patent/EP1517014B1/de
Anticipated expiration legal-status Critical
Not-in-force 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
    • F01P3/00—Liquid cooling
    • F01P3/06—Arrangements for cooling pistons
    • F01P3/08—Cooling of piston exterior only, e.g. by jets
    • 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
    • F01P11/04—Arrangements of liquid pipes or hoses

Definitions

  • the present invention relates to cooling devices for internal combustion engine pistons, for projecting a cooling fluid such as oil onto an appropriate area of the pistons.
  • documents FR 2,745,329 , US 4,206,726 , EP 0 423 830 , US 5,649,505 describe cooling jet structures which are attached to the wall of the engine block by communicating with an internal cooling fluid supply pipe, said pipe being machined in the engine block itself and connected to the oil supply circuit provided in the engine.
  • the decision to provide an integrated device for cooling the pistons of a motor by sprinklers is a decision that is generally taken very early in the pre-development phase of the engine. It is necessary to carry out in particular hydraulic studies of dimensioning of the circuit of oil, and thermal studies of the piston. Sometimes even test engines are specially built to validate these calculations.
  • the problem proposed by the present invention is to design a new sprinkler cooling device structure by sprinklers, which can be integrated with a motor with no or only very little modification on the structure of the engine itself.
  • the goal is to adapt to a motor whose development is complete, or whose development is already engaged, a cooling function of pistons by sprinklers without having to take the same design of the engine, nor the essential validations that are necessary in any engine development.
  • the invention results from the observation that the essential difficulty of implementing a cooling function by jet resides in the modification of the engine block itself to bring the cooling oil up to the nozzles.
  • the invention provides oil supply means which can be reported in the engine itself without substantially modifying the structure of the engine block.
  • a lower oil recovery sump is reported under the engine block containing the moving parts.
  • the lower cover usually carries the oil filter, which is connected to the pressure oil circuit of the engine by a circuit which a section is thus accessible in the lower case.
  • the invention takes advantage of this arrangement, by capturing the oil in a pressurized oil circuit generally present in the area of the lower casing.
  • the invention also aims to facilitate the mounting of the cooling device in the engine, especially during the assembly steps of the heavy and / or bulky subassemblies of the engine.
  • the device can be adapted to an engine already developed or in pre-development, without to have to modify the structure of the engine block, without having to redo the study allowing this modification, and without having to redo the necessary validations which result from it.
  • the mechanically rigid assembly can, despite its size, be easily adapted and fixed under the open motor, then the hydraulic connection is automatically ensured by the adaptation of the lower housing, without additional operation.
  • the device comprises a single common supply rail, carrying the cooling nozzles arranged in line with respect to the row of pistons of an inline engine.
  • the device comprises two common supply ramps each carrying a line of cooling nozzles arranged with respect to a respective row of pistons of a V-cylinder engine.
  • the device according to the invention can also easily adapt to other engine geometries, for example W-motors, star motors, or any other geometry with several rows of cylinders.
  • the fixing means comprise transverse fixing lugs arranged to be fixed to the lower faces of the bearings of the motor.
  • the transverse fastening tabs may comprise holes for the passage of the threaded rods for fixing the lower blocks of bearing, rods on which the fastening lugs are fixed by locking nuts screwed onto the rods.
  • the fastening means may comprise fixing lugs arranged to be fixed in any other fixed zone of the engine block which is easily accessible after positioning of the rotating elements and before adaptation of the lower case.
  • the fixing plate can be folded in the form of an angle in the corner of which is fixed the longitudinal feeding tube, a first wing of the angle constituting the fixing lugs, a second wing of the angle having transverse extensions. Parallel to the transverse tubes and whose end zones are fixed to the transverse tubes by brazing, welding or gluing.
  • the hydraulic interface means comprise a lower inlet orifice in communication with the common feed ramp and integral therewith, and adapted to connect in a sealed manner. , at an upper feed orifice provided in the crankcase, by the assembly movement of the crankcase under the engine block, the upper feed orifice being in communication with the pressurized oil circulation circuit of the crankcase. engine in the lower case.
  • crankcase seal can thus simultaneously seal the hydraulic connections.
  • the upper feed orifice communicates with the oil circulation circuit of the engine oil filter, upstream or downstream of the oil filter.
  • the hydraulic interface means may preferably comprise a coolant flow control valve, and, at the outlet of the valve, one or more branches for separately feeding one or more common supply rails according to whether the engine is cylinders in line or cylinder according to several lines.
  • the invention also provides an internal combustion engine in which the rotating elements are mounted in an engine block having an open bottom face closed by a lower casing, and in which cooling nozzles project coolant jets to the engine compartment. bottom of the pistons, comprising a cooling device as defined above.
  • a cooling device for internal combustion engine pistons comprises cooling nozzles adapted to be reported in the engine block, these nozzles being integral with at least one ramp. common feed which is also intended to be reported inside the engine block.
  • FIG 1 schematically illustrates a cooling device according to one embodiment of the invention, comprising four nozzles 1a, 2a, 3a and 4a, integral with a common feed ramp 5a with which they form a mechanically rigid assembly generally designated by the reference 6a.
  • the nozzles 1a-4a are hydraulically connected to the common feed ramp 5a.
  • the common feed ramp 5a is associated with hydraulic interface means 7a for its hydraulic connection to a pressurized coolant supply circuit provided in the lower casing, not shown in FIG. figure 1 .
  • the lower face 9 is open for the introduction of the rotating elements such as the rod 10, with a lower plane edge 11 for receiving a not shown bottom casing.
  • the nozzle 1a integral with the common feed ramp 5a, is engaged in the intermediate space 12 between the engine block 8 and the rotating elements 10, and is connected and connected to the common feed ramp 5a by a tube which is bent appropriately to avoid rotating elements such as the rod 10.
  • the nozzle 1a is oriented to project a jet of coolant to the bottom of the piston 13 associated with the rod 10 and also schematically shown.
  • the device is designed to be adapted in an inline cylinder engine, the cooling nozzles 1a-4a being arranged in line with respect to the pistons of said row of cylinders of the engine. There is then a single common supply ramp 5a associated with these hydraulic interface means 7a.
  • the common feed ramp 5a and the nozzles such as the nozzle 1a, forming the mechanically rigid assembly 6a comprise fastening means 14 for fixing in the motor away from the moving members such as the connecting rod 10.
  • a second common feed ramp 5b carrying a second line of cooling nozzles 1b, 2b, 3b and 4b forming a second mechanically rigid assembly 6b, with second hydraulic interface means 7b for the hydraulic connection to the coolant supply circuit provided in the engine.
  • This second embodiment is adapted to be mounted on a motor having two respective rows of V cylinders.
  • first piston 13a and a second piston 13b acting on the same central crankshaft by respective connecting rods 10a and 10b.
  • the cooling nozzle 1a associated with its common feed ramp 5a, is fitted in the first intermediate space 12a to project a jet of cooling fluid on the bottom of the first piston 13a.
  • the second cooling nozzle 1b associated with the second common feed ramp 5b, is fitted in the second intermediate space 12b to project a jet of cooling fluid into the bottom of the second piston 13b.
  • the device comprises two common feed ramps 5a and 5b, each carrying a line of cooling nozzles, respectively 1a-4a and 1b-4b, arranged with respect to a respective row of pistons of the V-cylinder engine.
  • Each mechanically rigid assembly 6a or 6b is associated with fastening means 14a or 14b to be fixed directly to the engine block 8.
  • first mechanically rigid assembly 6a There is the first mechanically rigid assembly 6a, the second mechanically rigid assembly 6b, and a third hydraulic interface assembly 7 constituted by the hydraulic interface means 7a and the hydraulic interface means 7b.
  • the mechanically rigid assemblies 6a and 6b have similar structures, symmetrically opposed, on which are found the essential elements illustrated on the figure 3 .
  • This assembly comprises a longitudinal supply tube forming the common feed ramp 5a, the tube having connectors 51, 52, 53 and 54 on which are fitted respective transverse tubes 55, 56, 57 and 58 whose respective free ends constitute the jets 1a, 2a, 3a and 4a.
  • An attachment plate 60 having transverse attachment tabs 61, 62 and 63, is attached to the longitudinal supply tube forming the common feed ramp 5a by soldering, welding, gluing or any other suitable means of assembly.
  • the fastening lugs 61, 62 and 63 are parallel, oriented inward towards the other mechanically rigid assembly 6b, and each is provided with a fixing hole 64, 65 or 66.
  • the fixing plate 60 is further folded in the form of angle in the corner of which is fixed the longitudinal feed tube constituting the common feed ramp 5a.
  • the first wing of the attachment plate 60 constitutes the fastening tabs 61-63.
  • the second leg of the angle plate includes respective transverse extensions 67, 68, 69 and 70, which are parallel to the transverse tubes 55, 56, 57 and 58, and whose end regions 71, 72, 73 and 74 are attached to the respective transverse tubes 55-58 by brazing, welding, gluing, or any other suitable means.
  • the transverse extensions 67-70 constitute means of stiffening, opposing any displacement of the nozzles 1a-4a relative to the rest of the mechanically rigid assembly 6a.
  • hydraulic interface means 7a are provided comprising, on the common feed ramp 5a, a lower inlet orifice 15a, adapted to connect sealingly to a upper supply port 16a provided, as illustrated on the figure 6 in a planar top facet of a connection block 24 of the lower casing 17 in the joint plane of the lower casing 17.
  • the hydraulic connection is ensured by the assembly movement of the lower casing 17 under the block. motor 8.
  • the upper supply port 16a is in communication with the pressurized oil circulation circuit of the engine in the lower casing 17.
  • hydraulic interface means 7b are provided comprising a lower inlet orifice 15b which is adapted to connect sealingly to an upper feed orifice 16b. provided in a planar upper facet of a connecting block 25 of the lower casing 17 in the joint plane of the lower casing joint 17.
  • the upper feed orifice 16b communicates with a junction opening 18b open towards the inside of the lower casing 17, and adapted to sealingly receive the end of a second connecting pipe 19b.
  • the second connecting pipe 19b is intended to be housed inside the lower casing 17 and to connect the junction orifice 18b with a sensing orifice 20 of the pressurized oil circulation circuit of the engine provided in the wall of the lower case 17.
  • the sensing orifice 20 communicates with the pressurized oil circulation circuit of the engine downstream or upstream of the oil filter 21.
  • valve 22 for controlling the flow of cooling liquid.
  • the valve 22 fits on the sensing orifice 20, and delivers the coolant to the second connecting pipe 19b which leads it itself to the junction port 18b itself in communication with the upper supply port 16b which communicates with the second common supply rail 5b, when the lower housing 17 is fitted under the engine block 8.
  • valve 22 further communicates with a first connecting line 19a, which conducts the cooling liquid to a first upper supply port 16a itself connecting to the first common supply rail 5a when the lower housing 17 is fit under the engine block.
  • the subassembly constituted by the two connecting pipes 19a and 19b and by the control valve 22 is engaged inside the lower casing 17, and fixed by the valve 22 and by the two ends of the connecting pipes 19a and 19b which are fixed on the wall of the lower casing 17 for example by screws engaged in the holes of fastening lugs such as the tab 23b.
  • connection block (s) 24 and 25 may be constituted by a portion of the wall of the lower casing 17 itself, that is to say that they may be monoblock with the lower casing 17.
  • connection block (s) 24 and 25 may be attached elements and fixed in the lower casing 17.
  • the lower inlet ports 15a and 15b are simple tubes for engaging within the corresponding upper supply port 16a or 16b. It is understood that this requires precise and delicate positioning of the ends of the tubes facing the orifices, when the lower casing 17 is fitted under the engine.
  • the lower inlet orifice (s) 15a and 15b are provided in a plane lower facet of the mechanically rigid assembly 6a or 6b, in the plane of the assembly joint. lower casing 17 to the engine block. In this way, there is no risk of damaging the ends of the tubes during assembly of the lower casing 17, and the sealing of the hydraulic interface means can be ensured in the seal plane of the lower casing 17 by the crankcase itself, which is provided with a protrusion covering the corresponding facets of the connection blocks 24 and 25 and the mechanically rigid assembly 6a and 6b.
  • the first mechanically rigid assembly 6a is positioned along a first side of the engine, while the second mechanically rigid assembly 6b is positioned along the second opposite side of the engine.
  • the transverse tubes 55-58 are engaged by penetrating into the motor, as illustrated in the figure, while the fixing lugs 61-63 are shaped to be adapted to the geometry of the engine considered, by being fixed on easily accessible areas of the engine. engine block before adaptation of the crankcase 17.
  • the fixing lugs 61-63 are oriented transversely to be fixed to the lower faces of the respective bearings 30-32 of the engine.
  • the fixing lugs 61-63 comprise holes for the passage of the respective threaded rods 33, 34 and 35 which secure the lower blocks of bearings, rods on which the fixing lugs 61-63 are fixed by nuts. blocking bolts screwed onto the rods (not shown in the figure).

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Hydraulic Motors (AREA)
  • Reciprocating Pumps (AREA)

Claims (16)

  1. Kühlungseinrichtung für Kolben eines Motors mit innerer Verbrennung, wobei der Motor einen Motorblock (8) enthält, der eine untere offene Seite (9) aufweist, die durch ein unteres Gehäuse (17) verschlossen ist, wobei die Einrichtung Kühldüsen (1a-4a; 1b-4b) enthält, die dazu ausgebildet sind, eine Kühlflüssigkeit unter Druck zu empfangen und um Strahlen von Kühlflüssigkeit in Richtung zu zu kühlenden Kolben (13, 13a, 13b) zu spritzen, wobei mehrere Düsen (1a-4a) durch eine gemeinsame Einspritzleitung (5a) zusammengehalten sind, an die sie hydraulisch angeschlossen sind, wobei sie zusammen mit dieser eine mechanisch starre Einheit (6a) bilden, dadurch gekennzeichnet, dass:
    - die mechanisch starre Einheit (6a) hydraulischen Verbindungsmitteln (7a) zur hydraulischen Verbindung der gemeinsamen Einspritzleitung (5a) mit einem Versorgungskreis für Kühlflüssigkeit zugeordnet ist, der in dem unteren Gehäuse (17) vorgesehen ist,
    - die hydraulischen Verbindungsmittel ausgebildet sind, um die hydraulische Verbindung durch den Anbau des unteren Gehäuses (17) unter den Motorblock (8) zum Verschliessen dessen unterer offener Seite (9) sicherzustellen,
    - die mechanisch starre Einheit (6a) Befestigungsmittel (14) zu ihrer Befestigung am Motorblock im Abstand zu beweglichen Organen (10) unabhängig von dem unteren Gehäuse (17) enthält.
  2. Kühlungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass sie eine einzige gemeinsame Einspritzleitung (5a) enthält, die die Kühldüsen (1a-4a) trägt, die in einer Linie in Bezug auf die Reihe von Kolben eines Reihen-Zylindermotors trägt.
  3. Kühlungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass sie mehrere gemeinsame Einspritzleitungen (5a, 5b) enthält, von denen jede eine Reihe von Kühldüsen (1a-4a; 1b-4b) trägt, die in Bezug auf die entsprechende Reihe von Kolben (13a, 13b) eines Motors mit mehreren Reihen von Zylindern angeordnet sind.
  4. Kühlungseinrichtung nach irgendeinem der Ansprüche 1 bis 3 zum Anbau an einen Motor, der drehende Elemente aufweist, die drehbar in Lagern (30-32) gehalten sind, dadurch gekennzeichnet, dass die Befestigungsmittel (14) quer verlaufende Befestigungslaschen (61-63) enthalten, die zur Befestigung an unteren Lagern (30-32) des Motors ausgebildet sind.
  5. Kühlungseinrichtung nach Anspruch 4 zum Anbau an einen Motor, dessen Lager (30-32) durch untere Lagerblöcke wieder verschlossen sind, welche durch Befestigungs-Gewindestangen (33-35) gehalten sind, dadurch gekennzeichnet, dass die quer verlaufenden Befestigungslaschen (61-63) Löcher für den Durchtritt der Gewindestangen (33-35) zur Befestigung der unteren Lagerblöcke enthalten, wobei man an den Stangen die Befestigungslaschen (61-63) mittels mit Sicherungsmuttern befestigt, die auf die Stangen aufgeschraubt sind.
  6. Kühlungseinrichtung nach irgendeinem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die mechanisch starre Einheit (6a) enthält:
    - ein längs verlaufendes Speiserohr, das die gemeinsame Einspritzleitung (5a) bildet, an welche sich quer verlaufende Rohre (55-58) anschliessen, deren Enden die Kühldüsen (1a-4a) bilden,
    - eine Befestigungsplatte (60), die die quer verlaufenden Befestigungslaschen (61-63) trägt und mittels Löten, Schweissen oder Kleben an dem längs verlaufenden Speiserohr (5a) befestigt ist.
  7. Kühlungseinrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Befestigungsplatte (60) in Form eines Winkeleisens gebogen ist, in dessen Ecke das längs verlaufende Speiserohr (5a) befestigt ist, wobei ein erster Schenkel des Winkeleisens die Befestigungslaschen (61-63) bildet, ein zweiter Schenkel des Winkeleisens quer verlaufende Verlängerungen (67-70) aufweist, die parallel zu den quer verlaufenden Rohren (55-58) sind und deren äussere Zonen (71-74) durch Löten, Schweissen oder Kleben an den quer verlaufenden Rohren (55-58) befestigt sind.
  8. Kühlungseinrichtung nach irgendeinem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die hydraulischen Verbindungsmittel (7a) eine untere Eintrittsöffnung (15a, 15b) in Strömungsverbindung mit der gemeinsamen Einspritzleitung (5a, 5b) und verbunden mit dieser aufweisen sowie dazu angepasst, um sich in dichter Weise mit einer oberen Speiseöffnung (16a, 16b) zu verbinden, die in dem unteren Gehäuse (17) vorgesehen ist, aufgrund der Bewegung beim Montieren des unteren Gehäuses (17) unter den Motorblock (8), wobei die obere Speiseöffnung (16a, 16b) in Verbindung mit einem Zirkulationskreis von Öl unter Druck des Motors in dem unteren Gehäuse (17) in Verbindung steht.
  9. Kühlungseinrichtung nach Anspruch 8, dadurch gekennzeichnet, dass die untere Eintrittsöffnung (15a, 15b) an einer unteren ebenen Facette der mechanisch starren Einheit (6a) in der Verbindungsebene des unteren Gehäuses (17) am Motorblock vorgesehen ist,
    - die obere Speiseöffnung (16a, 16b) in einer oberen ebenen Facette eines Verbindungsblocks (24, 25) des unteren Gehäuses (17) in der Verbindungsebene des unteren Gehäuses (17) am Motorblock vorgesehen ist.
  10. Kühlungseinrichtung nach Anspruch 9, dadurch gekennzeichnet, dass der Verbindungsblock (24, 25) ein Abschnitt einer Wand des unteren Gehäuses (17) selbst ist.
  11. Kühlungseinrichtung nach Anspruch 9, dadurch gekennzeichnet, dass der Verbindungsblock (24, 25) ein Element ist, das in dem unteren Gehäuse (17) angebracht und befestigt ist.
  12. Kühlungseinrichtung nach einem der Ansprüche 10 oder 11, dadurch gekennzeichnet, dass:
    - die obere Speiseöffnung (16a, 16b) mit einer Verbindungsöffnung (18a) in Verbindung steht, die zum Inneren des unteren Gehäuses (17) in dem Verbindungsblock offen ist,
    - eine Verbindungsleitung (19a, 19b) vorgesehen ist, um in dem unteren Gehäuse (17) untergebracht zu sein und um die Verbindungsöffnung (18a) und eine Erfassungsöffnung (20) des Zirkulationskreises des Öls des Motors anzuschliessen, der in der Wand des unteren Gehäuses (17) vorgesehen ist.
  13. Kühlungseinrichtung nach Anspruch 12, dadurch gekennzeichnet, dass die obere Speiseöffnung (16a, 16b) mit dem Zirkulationskreis des Öls eines Ölfilters (21) des Motors in Verbindung steht, stromaufwärts oder stromabwärts des Ölfilters (21).
  14. Kühlungseinrichtung nach einem der Ansprüche 8 bis 13, dadurch gekennzeichnet, dass die hydraulischen Anschlussmittel ein Steuerventil (22) für den Durchfluss der Kühlflüssigkeit enthalten.
  15. Kühlungseinrichtung nach Anspruch 14, dadurch gekennzeichnet, dass die hydraulischen Anschlussmittel am Ausgang des Ventils (22) mehrere Zweige (19a, 19b) enthalten, um mehrere gemeinsame Versorgungsleitungen (5a, 5b) in dem Zylindermotor mit mehreren Reihen separat zu speisen.
  16. Motor mit innerer Verbrennung, bei dem die drehbaren Elemente in einem Motorblock montiert sind, der eine untere offene Seite aufweist, die durch ein unteres Gehäuse verschlossen ist und bei dem Kühldüsen Strahlen von Kühlflüssigkeit gegen den Boden der Kolben spritzen, dadurch gekennzeichnet, dass er eine Kühlungseinrichtung nach irgendeinem der Ansprüche 1 bis 15 aufweist.
EP04356150A 2003-09-16 2004-09-02 Kühlungseinrichtung für die Kolben einer Brennkraftmaschine Not-in-force EP1517014B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0310986A FR2859756B1 (fr) 2003-09-16 2003-09-16 Dispositif de refroidissement pour pistons de moteur.
FR0310986 2003-09-16

Publications (2)

Publication Number Publication Date
EP1517014A1 EP1517014A1 (de) 2005-03-23
EP1517014B1 true EP1517014B1 (de) 2011-06-01

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EP04356150A Not-in-force EP1517014B1 (de) 2003-09-16 2004-09-02 Kühlungseinrichtung für die Kolben einer Brennkraftmaschine

Country Status (7)

Country Link
US (1) US7360510B2 (de)
EP (1) EP1517014B1 (de)
CN (1) CN1306152C (de)
AT (1) ATE511598T1 (de)
AU (1) AU2004210615C1 (de)
BR (1) BRPI0406284A (de)
FR (1) FR2859756B1 (de)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019112903A1 (de) * 2019-05-16 2020-11-19 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Spritzdüsenanordnung zur Kolbenkühlung eines Motors
DE102019112903B4 (de) 2019-05-16 2023-06-15 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Spritzdüsenanordnung zur Kolbenkühlung eines Motors

Also Published As

Publication number Publication date
ATE511598T1 (de) 2011-06-15
AU2004210615B2 (en) 2006-02-16
FR2859756A1 (fr) 2005-03-18
US7360510B2 (en) 2008-04-22
US20050081802A1 (en) 2005-04-21
EP1517014A1 (de) 2005-03-23
AU2004210615A1 (en) 2005-04-07
AU2004210615C1 (en) 2006-10-26
FR2859756B1 (fr) 2007-09-21
CN1306152C (zh) 2007-03-21
BRPI0406284A (pt) 2005-07-12
CN1598261A (zh) 2005-03-23

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