EP2104780A1 - Moteur thermique de vehicule automobile comportant un conduit de degazage de pompe a eau - Google Patents
Moteur thermique de vehicule automobile comportant un conduit de degazage de pompe a eauInfo
- Publication number
- EP2104780A1 EP2104780A1 EP07858535A EP07858535A EP2104780A1 EP 2104780 A1 EP2104780 A1 EP 2104780A1 EP 07858535 A EP07858535 A EP 07858535A EP 07858535 A EP07858535 A EP 07858535A EP 2104780 A1 EP2104780 A1 EP 2104780A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- duct
- cylinder block
- heat engine
- internal circuit
- engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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. It is therefore necessary to perform a pressure filling of the cooling circuit to achieve correct priming of the water pump.
- 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 portion of the receiving chamber or volute of the water pump to a circuit element cooling the motor to allow full gravity filling of the receiving chamber when filling the first internal circuit.
- the determined element is a chamber which is formed in the cylinder block and which forms part of the first internal circuit
- the additional duct is a calibrated duct formed in the cylinder block; the cylinder block is capped by a cylinder head; a second internal circuit for circulating a cooling liquid communicating with the first internal circuit via at least one drilling formed in a cylinder head gasket, and the determined element is said bore of the cylinder head gasket, - the additional pipe is formed in the cylinder block and opens into the hole of the cylinder head gasket,
- the additional duct is a calibrated bore made in the cylinder block
- the determined element is an external conduit for supplying a cooling fluid to an engine member, in particular an oil cooler, said external duct being attached to the block, the additional duct is formed in the cylinder block and opens into the external duct via a light.
- FIG. 1 is a schematic perspective view of a block of an engine according to a prior art
- FIG. 2 is a schematic perspective detail view of a block of an engine according to a first embodiment of the invention
- FIG. 3 is a diagrammatic perspective view of a block of an engine according to a second embodiment of the invention.
- FIG. 4 is a schematic sectional view of the engine according to the second embodiment of the invention.
- FIG. 5 is a schematic perspective view of a block of an engine according to a third embodiment of the invention.
- FIG. 1 shows a motor vehicle engine 10 comprising a block 1 1, commonly called a “cylinder block”, capped with a cylinder head 13.
- the cylinder block 1 1 comprises a first internal circuit 12 for circulating a cooling liquid which is intended for example to cool the engine block 1 1 by allowing a circulation of a coolant around the cylinders 1 5 of the motor.
- 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 1 1 and which is intended to receive a rotor (not shown) of a water pump equipping the engine 10.
- the chamber of 1 8 reception is formed in the cylinder block 1 1 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) a supply port 22 to allow supplying the engine water pump with coolant.
- the level N i of the supply orifice 22 of the receiving chamber 18 is arranged above the level N 2 of the inlet orifice 16 of the duct internal14 supply of the first internal circuit 12.
- a known disadvantage of the thermal engines 10 made according to this design is precisely related to the difference between the level Ni of the supply port 22 and the level N 2 of the inlet port 16 of the first internal circuit 12. when it is desired to fill such a cooling circuit by gravity, because of the difference between the levels Ni and N 2 , an air pocket is formed in the upper part 24 of the receiving chamber 18 which is arranged at the above the supply port 22 of the receiving chamber 1 8.
- 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 1 8 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 1 8 for receiving the water pump to a element of the engine cooling circuit to allow full gravity filling of the receiving chamber 1 8 when filling the first internal circuit 1 2.
- the determined element to which the additional duct 26 is connected is a chamber 28 which is formed in the cylinder block 1 1 and which is part of the first circuit 12.
- This chamber 28 is for example a peripheral chamber surrounding a cylinder 1 5 of the cylinder block 1 January.
- the additional duct 26 is preferably a duct 26 formed in the cylinder block January 1, and this duct 26 is calibrated so as to allow leakage of cooling liquid from the chamber 1 8 receiving the the water pump which is sufficient to allow purging of the air bag, and which is nevertheless small enough not to hinder the operation of the water pump.
- the invention advantageously takes advantage of the presence of a cylinder head 1 3 of the engine which caps the block cylinders 1 1.
- a cylinder head gasket 32 is arranged between an upper face 34 of the cylinder block 1 1 and a lower face 36 of the cylinder head 13. As illustrated in FIG. 4, the cylinder head gasket 32 comprises at least one bore 38 which allows the communication of the first internal circuit 12 of the block 1 1 with a second internal circuit 40 of the cylinder head 30. In this configuration, the element determined to which is connected the additional conduit 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 1 1 and it opens into the upper face 34 of the block 1 1 through an orifice 30 which is intended to coincide substantially with the hole 38 of the seal breech 32.
- the additional duct 26 can advantageously be calibrated by the cylinder head gasket 32 itself, which can more or less obstruct the end of the duct.
- additional 26 constituted by the orifice 30 so as to regulate the flow of coolant circulating in said additional conduit 26, this 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 conduit 26 will preferably come from casting with the cylinder block 1 1, 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 port 30, in the cylinder block 1 1.
- the determined element to which the additional degassing duct 26 is connected may be an external conduit 42 for supplying coolant of a engine member, for example an oil cooler 43, said external supply duct 42 being attached to the cylinder block January 1.
- 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 January 1, which communicates with the additional conduit 26 through a light 50.
- This 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 outer conduit 42 is then delimited in its communication portion 44 by its independent wall and by its wall formed outside the cylinder block January 1.
- 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 Cooling System (AREA)
- Motor Or Generator Frames (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (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)
Description
Claims
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 true EP2104780A1 (fr) | 2009-09-30 |
EP2104780B1 EP2104780B1 (fr) | 2010-04-28 |
Family
ID=38179737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07858535A Not-in-force EP2104780B1 (fr) | 2006-11-20 | 2007-10-09 | Moteur thermique de vehicule automobile comportant un conduit de degazage de pompe a eau |
Country Status (7)
Country | Link |
---|---|
US (1) | US8640658B2 (fr) |
EP (1) | EP2104780B1 (fr) |
JP (1) | JP2010510438A (fr) |
AT (1) | ATE466176T1 (fr) |
DE (1) | DE602007006237D1 (fr) |
FR (1) | FR2908823B1 (fr) |
WO (1) | WO2008062116A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014207071B4 (de) | 2014-04-11 | 2018-09-20 | Volkswagen Aktiengesellschaft | Verbrennungsmotor mit einem Kurbelgehäuse und einer Kühlmittelpumpe |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE4030200C2 (de) * | 1989-09-25 | 1995-04-27 | Mazda Motor | Motorkühlsystem |
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 |
EP1170480B1 (fr) * | 2000-07-05 | 2007-01-24 | Yamaha Hatsudoki Kabushiki Kaisha | Motocyclette, notamment scooter |
EP1195504B1 (fr) * | 2000-10-03 | 2006-12-27 | Mazda Motor Corporation | Bloc-moteur pour un moteur à combustion interne |
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 |
US7089890B2 (en) * | 2004-07-12 | 2006-08-15 | International Engine Intellectual Property Company, Llc | Cooling system for an internal combustion engine with exhaust gas recirculation (EGR) |
-
2006
- 2006-11-20 FR FR0654988A patent/FR2908823B1/fr not_active Expired - Fee Related
-
2007
- 2007-10-09 JP JP2009537679A patent/JP2010510438A/ja active Pending
- 2007-10-09 EP EP07858535A patent/EP2104780B1/fr not_active Not-in-force
- 2007-10-09 DE DE602007006237T patent/DE602007006237D1/de active Active
- 2007-10-09 WO PCT/FR2007/052104 patent/WO2008062116A1/fr active Application Filing
- 2007-10-09 US US12/515,699 patent/US8640658B2/en not_active Expired - Fee Related
- 2007-10-09 AT AT07858535T patent/ATE466176T1/de not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2008062116A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2104780B1 (fr) | 2010-04-28 |
FR2908823A1 (fr) | 2008-05-23 |
DE602007006237D1 (de) | 2010-06-10 |
FR2908823B1 (fr) | 2009-01-30 |
US20100012056A1 (en) | 2010-01-21 |
ATE466176T1 (de) | 2010-05-15 |
JP2010510438A (ja) | 2010-04-02 |
WO2008062116A1 (fr) | 2008-05-29 |
US8640658B2 (en) | 2014-02-04 |
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