EP2104780B1 - VERBRENNUNGSMOTOR FÜR EIN KRAFTFAHRZEUG MIT EINEM WASSERPUMPENENLÜFTUNGSLKANAL& x9; - Google Patents

VERBRENNUNGSMOTOR FÜR EIN KRAFTFAHRZEUG MIT EINEM WASSERPUMPENENLÜFTUNGSLKANAL& x9; Download PDF

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Publication number
EP2104780B1
EP2104780B1 EP07858535A EP07858535A EP2104780B1 EP 2104780 B1 EP2104780 B1 EP 2104780B1 EP 07858535 A EP07858535 A EP 07858535A EP 07858535 A EP07858535 A EP 07858535A EP 2104780 B1 EP2104780 B1 EP 2104780B1
Authority
EP
European Patent Office
Prior art keywords
duct
cylinder block
engine
heat engine
internal circuit
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.)
Not-in-force
Application number
EP07858535A
Other languages
English (en)
French (fr)
Other versions
EP2104780A1 (de
Inventor
Frédéric BENET
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.)
Renault SAS
Original Assignee
Renault SAS
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Filing date
Publication date
Application filed by Renault SAS filed Critical Renault SAS
Publication of EP2104780A1 publication Critical patent/EP2104780A1/de
Application granted granted Critical
Publication of EP2104780B1 publication Critical patent/EP2104780B1/de
Not-in-force legal-status Critical Current
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
    • 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
    • F01P11/028—Deaeration devices
    • 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
    • F01P11/0204—Filling
    • 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
    • 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

Definitions

  • the invention relates to a motor vehicle engine.
  • the invention more particularly relates to a motor vehicle engine of the type which comprises at least one cylinder block which comprises a first internal circuit for circulating a cooling liquid, of the type in which the first internal circuit comprises an internal duct of supply having an inlet opening into a receiving chamber, or "volute" of a rotor of a substantially cylindrical motor water pump, which is formed in the block, said chamber having in an intermediate portion a supply port whose level is arranged above the level of the inlet opening of the inner supply duct of the first internal circuit.
  • thermal engines of this type are known.
  • a known disadvantage of this type of engine is related to the particular arrangement of the supply port of the receiving chamber or "volute" of the water pump relative to the inlet of the first circuit.
  • This residual air pocket prevents the priming of the water pump when the engine is started, which can result in a deterioration of the water pump or a lack of circulation of the coolant in the cooling circuit of the engine. vehicle.
  • the invention proposes a motor of the type described above comprising means for purging the upper part of the receiving chamber or volute of the water pump.
  • the invention proposes a heat engine of the type described above, characterized in that it comprises an additional degassing conduit which connects an upper part of the receiving chamber or volute of the water pump to an element of the circuit. cooling the motor to allow full gravity filling of the receiving chamber when filling the first internal circuit.
  • FIG. 1 a motor vehicle engine 10 having a block 11, commonly called “cylinder block”, capped with a cylinder head 13.
  • the cylinder block 11 comprises a first internal circuit 12 for circulating a cooling liquid which is intended for example to cool the engine block 11 by allowing a circulation of a coolant around the cylinders 15 of the engine.
  • the first internal circuit 12 comprises an internal supply duct 14 including an inlet port 16 opens into a receiving chamber 18 also called “volute” which is arranged in the block 11 and which is intended to receive a rotor (not shown) of a water pump fitted to the engine 10.
  • the receiving chamber 18 is formed in the cylinder block 11 and it comprises in an intermediate portion 20, arranged for example substantially in line with the axis "A" of rotation of the rotor (not shown) an orifice 22 d supply for allowing the cooling of the engine water pump.
  • the level N 1 of the supply port 22 of the receiving chamber 18 is arranged above the level N 2 of the inlet port 16 of the internal supply conduit 14 of the first internal circuit 12 .
  • a known disadvantage of the thermal engines 10 produced according to this design is related precisely to the difference between the level N 1 of the supply port 22 and the level N 2 of the inlet port 16 of the first internal circuit 12.
  • This residual air pocket prevents the priming of the water pump when the engine is started, which can result in a deterioration of the water pump or a lack of circulation of the coolant in the cooling circuit of the engine. vehicle.
  • the invention proposes a motor 10 of the type described above, comprising means for purging the upper part 24 of the receiving chamber 18 of the water pump.
  • the invention proposes a thermal motor of the type described above, characterized in that it comprises an additional degassing conduit 26 which connects the upper part 24 of the chamber 18 for receiving the water pump to an element of the engine cooling circuit to allow complete gravity filling of the receiving chamber 18 during filling of the first internal circuit 12.
  • the determined element to which is connected the additional conduit 26 is a chamber 28 which is formed in the cylinder block 11 and which is part of the first internal circuit 12.
  • This chamber 28 is for example a peripheral chamber surrounding a cylinder 15 of the cylinder block 11.
  • the additional duct 26 is preferably a duct 26 formed in the cylinder block 11, and this duct 26 is calibrated so as to allow leakage of cooling liquid from the chamber 18 for receiving the pump. water that is sufficient to allow purging of the air bag, and which is nevertheless small enough to not impede the operation of the water pump.
  • the invention advantageously takes advantage of the presence of a cylinder head 13 of the engine which caps the cylinder block 11.
  • a cylinder head gasket 32 is arranged between an upper face 34 of the cylinder block 11 and a lower face 36 of the cylinder head 13.
  • the cylinder head gasket 32 comprises at least one bore 38 which allows the communication of the first internal circuit 12 of the block 11 with a second internal circuit 40 of the cylinder head 30.
  • the determined element to which is connected the additional duct 26 degassing is the bore 38 of the gasket 32 of the cylinder head.
  • the additional duct 26 for degassing is formed in the cylinder block 11 and opens into the upper face 34 of the block 11 via an orifice 30 which is intended to coincide substantially with the bore 38 of the cylinder head gasket 32.
  • the additional duct 26 may advantageously be calibrated by the cylinder head gasket 32 itself, which may more or less obstruct the end of the additional duct 26 constituted by the orifice 30 so as to regulate the flow of coolant circulating in said additional duct 26, in order to allow sufficient degassing of the air bag contained in the receiving chamber 18 without however impeding the operation of the water pump.
  • the additional duct 26 will preferably come from casting with the cylinder block 11, which allows to achieve its calibration only through the seal 32 of the cylinder head without requiring particular machining of said conduit 26.
  • the additional duct 26 may be, in a manner analogous to the first embodiment of the invention, a calibrated duct which opens fully into the bore 38 of the cylinder head gasket, the calibration of the duct additional 26, resulting then from a machining of said duct 26, and in particular of its end orifice 30, in the cylinder block 11.
  • the determined element to which is connected the additional venting duct 26 may be an external conduit 42 for supplying cooling liquid to an engine member, for example an oil cooler 43, said external supply duct 42 being attached to the cylinder block 11.
  • At least one portion 44 of communication of the outer conduit 42 has a wall independent of the cylinder block and a wall forming part of the cylinder block 11, which communicates with the additional conduit 26 via a light 50.
  • design advantageously eliminates the need for a connection of the additional conduit 26 with the communication portion 44 of the outer conduit 42, while ensuring a perfect seal.
  • the external conduit 42 is then delimited in its communication part 44 by its independent wall and by its wall formed outside the cylinder block 11.
  • the invention therefore advantageously makes it possible to degassing the chamber 18 for receiving a water pump from a motor vehicle engine 10, which makes it possible to perform the gravity filling of the cooling circuit without requiring pressure of said cooling circuit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Motor Or Generator Frames (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Claims (9)

  1. Verbrennungsmotor (10) für ein Kraftfahrzeug jener Art, die mindestens einen Zylinderblock (11) umfasst, der einen ersten inneren Kreislauf (12) zur Zirkulation einer Kühlflüssigkeit umfasst, jener Art, bei der der erste innere Kreislauf (12) einen inneren Versorgungskanal (14) umfasst, dessen Eingangsöffnung (16) in einer im Wesentlichen zylindrischen Aufnahmekammer (18) oder "Spirale" eines Rotors einer Wasserpumpe des Motors mündet, die in dem Block (11) ausgebildet ist, wobei die Kammer (18) in einem Zwischenteil (20) eine Versorgungsöffnung (22) umfasst, deren Höhe (N1) sich über der Höhe (N2) der Eingangsöffnung (16) des inneren Versorgungskanals (14) des ersten inneren Kreislaufs (12) befindet,
    dadurch gekennzeichnet, dass er einen zusätzlichen Kanal (26) zur Entlüftung umfasst, der einen oberen Teil (24) der Aufnahmekammer (18) oder der Spirale der Wasserpumpe mit einem Element des Kühlreislaufs des Motors verbindet, um das vollständige Füllen der Aufnahmekammer (18) durch Schwerkraft beim Füllen des ersten inneren Kreislaufs (12) zu gestatten.
  2. Verbrennungsmotor (10) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass das bestimmte Element eine Kammer (28) ist, die in dem Zylinderblock (11) ausgebildet ist und einen Teil des ersten inneren Kreislaufs (12) bildet.
  3. Verbrennungsmotor (10) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der zusätzliche Kanal (26) ein in dem Zylinderblock (11) ausgebildeter kalibrierter Kanal (26) ist.
  4. Verbrennungsmotor (10) nach Anspruch 1, dadurch gekennzeichnet, dass der Zylinderblock (11) durch einen Zylinderkopf (13) abgedeckt ist, wobei ein zweiter innerer Kreislauf (40) zur Zirkulation einer Kühlflüssigkeit durch mindestens eine in einer Zylinderkopfdichtung (32) ausgebildete Bohrung (38) mit dem ersten inneren Kreislauf (12) in Verbindung steht, und dass das bestimmte Element die Bohrung (38) der Zylinderkopfdichtung (32) ist.
  5. Verbrennungsmotor (10) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der zusätzliche Kanal (26) in dem Zylinderblock (11) ausgebildet ist und in der Bohrung (38) der Zylinderkopfdichtung (32) mündet.
  6. Verbrennungsmotor (10) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der zusätzliche Kanal (26) durch Gießen mit dem Zylinderblock (11) hergestellt und durch die Zylinderkopfdichtung (32) kalibriert wird.
  7. Verbrennungsmotor (10) nach Anspruch 5, dadurch gekennzeichnet, dass der zusätzliche Kanal (26) eine in dem Zylinderblock (11) ausgebildete kalibrierte Bohrung ist.
  8. Verbrennungsmotor (10) nach Anspruch 1, dadurch gekennzeichnet, dass das bestimmte Element ein äußerer Kanal (42) zur Versorgung eines Motorglieds, insbesondere eines Ölkühlers (43), mit einer Kühlflüssigkeit ist, wobei der äußere Kanal (42) an dem Block angefügt ist.
  9. Verbrennungsmotor (10) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der zusätzliche Kanal (26) in dem Zylinderblock (11) ausgebildet ist und durch einen Schlitz (50) in dem äußeren Kanal (42) mündet.
EP07858535A 2006-11-20 2007-10-09 VERBRENNUNGSMOTOR FÜR EIN KRAFTFAHRZEUG MIT EINEM WASSERPUMPENENLÜFTUNGSLKANAL& x9; Not-in-force EP2104780B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0654988A FR2908823B1 (fr) 2006-11-20 2006-11-20 Moteur thermique de vehicule automobile comportant un conduit de degazage de pompe a eau
PCT/FR2007/052104 WO2008062116A1 (fr) 2006-11-20 2007-10-09 Moteur thermique de vehicule automobile comportant un conduit de degazage de pompe a eau

Publications (2)

Publication Number Publication Date
EP2104780A1 EP2104780A1 (de) 2009-09-30
EP2104780B1 true EP2104780B1 (de) 2010-04-28

Family

ID=38179737

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07858535A Not-in-force EP2104780B1 (de) 2006-11-20 2007-10-09 VERBRENNUNGSMOTOR FÜR EIN KRAFTFAHRZEUG MIT EINEM WASSERPUMPENENLÜFTUNGSLKANAL& x9;

Country Status (7)

Country Link
US (1) US8640658B2 (de)
EP (1) EP2104780B1 (de)
JP (1) JP2010510438A (de)
AT (1) ATE466176T1 (de)
DE (1) DE602007006237D1 (de)
FR (1) FR2908823B1 (de)
WO (1) WO2008062116A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014207071A1 (de) 2014-04-11 2015-10-15 Volkswagen Aktiengesellschaft Verbrennungsmotor

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6237434B2 (ja) * 2014-04-18 2017-11-29 日産自動車株式会社 内燃機関のシリンダブロック
US20160222908A1 (en) * 2015-02-04 2016-08-04 GM Global Technology Operations LLC Fluid control system and method of making and using the same
US11260320B1 (en) 2017-10-13 2022-03-01 Apple Inc. Deaeration device for thermal system

Family Cites Families (17)

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US2816533A (en) * 1943-01-20 1957-12-17 Reggio Ferdinando Carlo Fluid pump system
US2681054A (en) * 1951-04-06 1954-06-15 Kaiser Motors Corp Construction of die-cast cylinder blocks
DE2922695C2 (de) * 1979-06-02 1985-09-12 Bayerische Motoren Werke AG, 8000 München Flüssigkeitsgekühlte Mehrzylinder-Brennkraftmaschine für Motorräder
US4394850A (en) * 1980-09-16 1983-07-26 Nissan Motor Company, Limited Cylinder block for automotive internal combustion engine
JPS6069232A (ja) * 1983-09-27 1985-04-19 Nissan Motor Co Ltd 内燃機関の沸騰冷却装置
FR2594184B1 (fr) * 1986-02-07 1989-10-27 Valeo Pompe a liquide, notamment pompe a eau pour vehicule automobile
DE3633261C1 (de) * 1986-09-30 1987-05-21 Bayerische Motoren Werke Ag Gegossenes Maschinengehaeuse fuer fluessigkeitsgekuehlte Brennkraftmaschinen mit V-foermiger Zylinderanordnung
KR940000896Y1 (ko) * 1989-09-25 1994-02-21 마쯔다 가부시기가이샤 엔진의 냉각장치
US5337704A (en) * 1993-09-29 1994-08-16 Chrysler Corporation Engine cooling system with thermostat coolant flow control between head and block
US6446682B1 (en) * 1995-06-06 2002-09-10 James P. Viken Auto-loading fluid exchanger and method of use
FR2736385B1 (fr) * 1995-07-04 1997-08-29 Valeo Thermique Moteur Sa Dispositif fonctionnant en mode diphasique pour le refroidissement d'un moteur a combustion interne
JPH11148349A (ja) * 1997-11-17 1999-06-02 Daihatsu Motor Co Ltd 内燃機関の冷却装置
US5970928A (en) * 1998-10-28 1999-10-26 Navistar International Transportation Corp Self restricting engine cooling system deaeration line
DE60126197T2 (de) * 2000-07-05 2007-05-24 Yamaha Hatsudoki K.K., Iwata Motorrad, inbesondere Scooter
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US6843209B2 (en) * 2001-06-20 2005-01-18 Honda Giken Kogyo Kabushiki Kaisha Engine cooling water passage structure and gas/liquid separator for engine cooling system
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014207071A1 (de) 2014-04-11 2015-10-15 Volkswagen Aktiengesellschaft Verbrennungsmotor
DE102014207071B4 (de) 2014-04-11 2018-09-20 Volkswagen Aktiengesellschaft Verbrennungsmotor mit einem Kurbelgehäuse und einer Kühlmittelpumpe

Also Published As

Publication number Publication date
JP2010510438A (ja) 2010-04-02
EP2104780A1 (de) 2009-09-30
FR2908823A1 (fr) 2008-05-23
ATE466176T1 (de) 2010-05-15
US20100012056A1 (en) 2010-01-21
US8640658B2 (en) 2014-02-04
DE602007006237D1 (de) 2010-06-10
WO2008062116A1 (fr) 2008-05-29
FR2908823B1 (fr) 2009-01-30

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