EP3415750B1 - Vorrichtung zur luftführung mit kühlraumentlüftung für einen verbrennungsmotor - Google Patents

Vorrichtung zur luftführung mit kühlraumentlüftung für einen verbrennungsmotor Download PDF

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Publication number
EP3415750B1
EP3415750B1 EP18173768.5A EP18173768A EP3415750B1 EP 3415750 B1 EP3415750 B1 EP 3415750B1 EP 18173768 A EP18173768 A EP 18173768A EP 3415750 B1 EP3415750 B1 EP 3415750B1
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EP
European Patent Office
Prior art keywords
venting
channel
collective
cylinder
conducting air
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.)
Active
Application number
EP18173768.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3415750A1 (de
Inventor
Thomas Schneider
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.)
MAN Truck and Bus SE
Original Assignee
MAN Truck and Bus SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MAN Truck and Bus SE filed Critical MAN Truck and Bus SE
Publication of EP3415750A1 publication Critical patent/EP3415750A1/de
Application granted granted Critical
Publication of EP3415750B1 publication Critical patent/EP3415750B1/de
Active 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
    • F01P11/0285—Venting 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
    • 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
    • F01P3/00—Liquid cooling
    • F01P3/02—Arrangements for cooling cylinders or cylinder heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/26—Cylinder heads having cooling means
    • F02F1/36—Cylinder heads having cooling means for liquid cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/26—Cylinder heads having cooling means
    • F02F1/36—Cylinder heads having cooling means for liquid cooling
    • F02F1/40—Cylinder heads having cooling means for liquid cooling cylinder heads with means for directing, guiding, or distributing liquid stream 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/1034—Manufacturing and assembling intake systems
    • F02M35/10354—Joining multiple sections together
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/104—Intake manifolds
    • 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
    • F01P3/02—Arrangements for cooling cylinders or cylinder heads
    • F01P2003/024—Cooling cylinder heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts

Definitions

  • the invention relates to a device for guiding air, in particular an intake air distributor pipe, for an internal combustion engine.
  • a coolant can flow through cylinder heads for cooling.
  • the coolant flows in a so-called coolant space or coolant core, which is also referred to as the water core when water is used as the coolant.
  • coolant space which is also referred to as the water core when water is used as the coolant.
  • each cylinder head has a separate coolant space.
  • the coolant in the coolant space can boil up locally at points with a low flow velocity and a high local temperature. Vapor bubbles form in the process. This vapor must be removed from the coolant space, i. H. the coolant compartment must be vented.
  • the EP 1 514 020 A1 discloses a cylinder head of a reciprocating piston internal combustion engine with a cylinder head lower part, a cylinder head cover and a frame for mounting a shaft and axis of a gas exchange control.
  • the frame is mounted on the lower part of the cylinder head and the cylinder head cover is placed on the frame.
  • the frame has a device for venting the cooling system of the internal combustion engine.
  • a duct for cooling system ventilation runs in the longitudinal outer wall over the entire length of the frame, which has a flow connection on each cylinder to the geodetically highest point of the water space of the cylinder head and thus the entire cylinder.
  • the assembly of the soldered pipes can be complex. Installation may require additional seals, fasteners, etc.
  • the DE 199 20 195 A1 discloses an intake manifold system for a multi-cylinder direct injection internal combustion engine.
  • the intake pipe system has several intake channels.
  • Another line for cooling water of the internal combustion engine is integrated into the walls of the intake ducts. This additional line is connected to the cooling water jacket of the cylinder head via a connection hole.
  • the invention is based on the object of providing improved ventilation for the coolant spaces, in particular in the case of a plurality of single-cylinder cylinder heads.
  • the improved ventilation should preferably be easier to assemble and / or require fewer components.
  • the device for guiding air for the internal combustion engine with a plurality of cylinder heads is designed according to claim 1.
  • the air distribution duct, the individual ventilation ducts and the collective ventilation duct are thus all integrated in the tubular body. This means that it is no longer necessary to connect separate soldered pipes to the individual cylinder heads for venting the respective coolant spaces.
  • the inlet air distributor pipe is particularly suitable for receiving the ventilation ducts, since it is already arranged in the area of the cylinder heads for introducing the inlet air.
  • the air distribution duct is used to distribute the intake air to the cylinders of the internal combustion engine.
  • the air distribution channel and / or the tubular body can be arranged downstream of an air inlet manifold (intake manifold) and / or upstream of inlet channels of the cylinder heads.
  • the air distribution channel can in particular be provided separately (separately, fluidically isolated) from the individual ventilation ducts and / or separately (separately, fluidically isolated) from the collective ventilation duct.
  • Opposite ends of the collective ventilation duct can each be sealed with a cover.
  • One end of the individual ventilation duct can be sealed with a cover.
  • the other end of the individual ventilation duct can establish a connection with the coolant space.
  • the collective ventilation duct extends along a longitudinal direction of the tubular body and / or parallel to the air distribution duct. This has the advantage that individual ventilation channels can open into the collective ventilation channel along the (entire) length of the tubular body.
  • the collective ventilation channel is drilled.
  • the collective ventilation duct is drilled in particular using a deep drilling method.
  • the collective ventilation duct is cast.
  • the production of a hole is easy to implement in terms of production technology.
  • the use of a deep pre-process enables a particularly long collecting ventilation duct, which can extend, for example, along the entire length of the tubular body. If, on the other hand, the collective ventilation duct is cast, the production of the collective ventilation duct can be carried out directly during the casting of the tubular body.
  • the plurality of individual ventilation channels are drilled.
  • the majority of individual ventilation channels are cast.
  • the drilling of individual ventilation channels is easy to implement in terms of production technology.
  • the individual ventilation channels can also be formed directly when the tubular body is being cast.
  • the collective ventilation duct and / or the plurality of individual ventilation ducts are each drilled on two sides.
  • the respective channel is drilled from both ends of the channel.
  • the plurality of individual ventilation ducts is provided in a cylinder-selective manner for each cooling chamber of the plurality of coolant chambers of each cylinder head of the plurality of cylinder heads. In this way, each individual cooling space of the plurality of cylinder heads can be vented through the individual ventilation ducts and the collective ventilation duct.
  • the collective ventilation channel can be vented through the ventilation outlet channel and the steam can be conducted to the collecting container.
  • the ventilation outlet channel is preferably drilled or cast as a tapping of the collective ventilation channel. This makes it possible to manufacture the ventilation outlet channel in a simple manner.
  • the ventilation outlet channel advantageously extends in a radial direction with respect to a longitudinal axis of the tubular body.
  • the collective ventilation duct and / or the plurality of individual ventilation ducts extend in a pipe wall of the pipe body.
  • the pipe wall can surround the air distribution duct.
  • the collective ventilation duct and the individual ventilation ducts can thus be provided in the tubular body in a space-saving manner.
  • the plurality of individual ventilation ducts each extend in a circumferential direction of the tubular body in the pipe wall of the tubular body.
  • the collective ventilation duct extends in a longitudinal direction of the tubular body in the pipe wall of the tubular body.
  • the combination of the directions of extension of the individual ventilation ducts and the collective ventilation duct enable the ducts to be arranged in a simple manner with short distances.
  • the plurality of individual ventilation channels each have a first, in particular drilled, section and a second, in particular drilled, section.
  • the first section and the second section meet at an angle, in particular an obtuse angle.
  • the first section of the individual ventilation duct can in particular extend in a straight line and / or the second section of the individual ventilation duct can in particular extend in a straight line.
  • the collective ventilation channel extends in particular in a straight line.
  • the first section is arranged upstream of the second section and the second section opens into the collective ventilation duct.
  • the second section can, for example, cross the collective ventilation duct.
  • the plurality of individual ventilation channels are arranged at a uniform distance from one another along a longitudinal direction of the tubular body. This has the advantage that evenly spaced apart and identically designed cylinder heads with corresponding coolant spaces can be connected to the individual ventilation ducts.
  • the invention also relates to an arrangement.
  • the arrangement has a plurality of single-cylinder cylinder heads (single cylinder heads) for covering a plurality of cylinders of an internal combustion engine.
  • the single-cylinder cylinder heads each have a coolant space, in particular a water core, for cooling the respective single-cylinder cylinder head.
  • the arrangement also has a device for guiding air as disclosed herein.
  • the plurality of individual ventilation channels are each connected to one of the plurality of coolant spaces.
  • the single-cylinder cylinder heads can in particular be constructed identically and / or arranged at the same distance from one another.
  • the device for guiding air in particular the tubular body, can be mounted on the single-cylinder cylinder heads.
  • the invention relates to a motor vehicle with a device for guiding air as disclosed herein or an arrangement as disclosed herein.
  • the Figures 1 and 2 show various views of a device designed as an inlet air distribution pipe 10 for guiding air.
  • the inlet air distribution pipe 10 is shown in such a way that hidden elements or elements arranged in the interior of the inlet air distribution pipe 10 are shown in dashed lines.
  • the inlet air distribution pipe 10 can be part of an internal combustion engine (not shown) of a motor vehicle, in particular a commercial vehicle.
  • the utility vehicle can be, for example, an omnibus or a truck.
  • the intake air distribution pipe 10 has a pipe body 12.
  • An air distribution channel 14, a plurality of individual ventilation channels 16 and a collective ventilation channel 18 extend in the tubular body 12.
  • the tubular body 12 can, for example, be a metal casting, for example made of an aluminum alloy.
  • the inlet air distribution pipe 10 can be mounted, in particular screwed, to a cylinder head.
  • the intake air manifold 10 may be molded directly onto the cylinder head.
  • the intake air manifold 10 and the cylinder head can be formed as an integral casting.
  • the air distribution channel 14 extends between an inlet opening 20 and a plurality of outlet openings 22.
  • Each outlet opening 22 can be connected to an inlet channel in a cylinder head. In the assembled state, each outlet opening 22 opens into a respective inlet channel of a plurality of single-cylinder cylinder heads (single cylinder heads).
  • the air distribution channel 14 extends along a longitudinal direction of the tubular body 12.
  • the air distribution channel 14 can be formed when the tubular body 12 is cast.
  • the individual ventilation ducts 16 and the collective ventilation duct 18 are provided separately from the air distribution duct 14 in the tubular body 12. In the embodiment shown, six individual ventilation channels 16 for venting six cooling spaces of the individual cylinder heads are shown.
  • the individual ventilation channels 16 are arranged at the same distance along a longitudinal direction of the tubular body 12.
  • the individual ventilation ducts 16 extend in a pipe wall (outer wall) of the air distribution duct 14.
  • the individual ventilation ducts 16 extend in a circumferential direction around a longitudinal axis of the tubular body 12.
  • the individual ventilation ducts 16 can be drilled or cast. In particular, the individual ventilation channels 16 can be drilled on both sides (cf. exemplary statements in the description of FIG Figure 3 ).
  • the individual ventilation channels 16 open into the collective ventilation channel 18.
  • the collective ventilation channel 18 extends in the pipe wall (outer wall) of the air distribution channel 14.
  • the collective ventilation channel 18 extends along a longitudinal direction of the tubular body 12 parallel to the air distribution channel 14.
  • the collective ventilation channel 18 can be drilled or cast.
  • the collective ventilation channel 18 can be drilled on one side or preferably on both sides by a deep drilling method.
  • the two ends of the collective ventilation channel 18 can be provided with a cover for sealing.
  • the tubular body 12 has a ventilation outlet channel 24 through which the steam can be discharged from the coolant space of the cylinder head into a collecting container (not shown).
  • the vent outlet channel 24 may be drilled or cast.
  • the ventilation outlet channel 24 can be drilled as a piercing of the collective ventilation channel 18.
  • the vent outlet channel 24 extends in a radial direction with respect to a longitudinal axis of the tubular body 12.
  • FIG. 13 shows the intake air distribution pipe 10 in an assembled state on a single cylinder head 26.
  • the sectional plane of FIG Figure 3 is chosen so that a single ventilation duct 16 extends in the plane of the section.
  • the remaining individual ventilation ducts and individual cylinder heads can be constructed similarly or identically.
  • the cylinder head 26 has an inlet channel 28 and a coolant space (cooling jacket) 30.
  • a coolant space cooling jacket
  • the intake passage 28 leads to a combustion chamber of a cylinder of the internal combustion engine.
  • the air distribution channel 14 opens into the inlet channel 28.
  • a coolant for example water, circulates in the coolant space 30 to cool the cylinder head 26 and the components arranged therein.
  • a ventilation channel 32 connects an upper section of the coolant space 30 to the individual ventilation channel 16.
  • the ventilation channel 32 can in particular be drilled for piercing the coolant space 30.
  • the resulting vapor is transported from the coolant chamber 30 through the ventilation duct 32 of the cylinder head 26 and the individual ventilation duct 16 of the intake air distribution pipe 10 to the collective ventilation duct 18.
  • the steam is discharged from the collective ventilation channel 18 via the ventilation outlet channel 24 (see FIGS. 1 and 2).
  • the individual ventilation channel 16 has a first section 16A and a second section 16B.
  • the first section 16A extends between the vent channel 32 of the cylinder head 26 and the second section 16B.
  • the second section 16B extends between the first section 16A via the collective vent channel 18 to an opening 16C.
  • the opening 16C can be sealed with a lid.
  • the first section 16A is drilled, in particular, starting from an end opposite the second section 16B.
  • the second section 16B is drilled in particular starting from the opening 16C.
  • the first section 16A and the second section 16B extend through the tubular body 12, meet at an obtuse angle and together form the individual ventilation channel 16.
  • the first section 16A extends above an outlet region of the air distribution duct 14.
  • the ventilation duct 32 extends above the inlet duct 28.
  • the intake air manifold 10 integrates the function of the Air distribution to the individual cylinders (cylinder heads) and the function of venting the cooling chambers of the individual cylinder heads.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Hybrid Electric Vehicles (AREA)
EP18173768.5A 2017-06-12 2018-05-23 Vorrichtung zur luftführung mit kühlraumentlüftung für einen verbrennungsmotor Active EP3415750B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017112858.1A DE102017112858A1 (de) 2017-06-12 2017-06-12 Vorrichtung zur Luftführung mit Kühlraumentlüftung für einen Verbrennungsmotor

Publications (2)

Publication Number Publication Date
EP3415750A1 EP3415750A1 (de) 2018-12-19
EP3415750B1 true EP3415750B1 (de) 2021-09-01

Family

ID=62235868

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18173768.5A Active EP3415750B1 (de) 2017-06-12 2018-05-23 Vorrichtung zur luftführung mit kühlraumentlüftung für einen verbrennungsmotor

Country Status (5)

Country Link
US (1) US10774727B2 (ru)
EP (1) EP3415750B1 (ru)
CN (1) CN109026341B (ru)
DE (1) DE102017112858A1 (ru)
RU (1) RU2767431C2 (ru)

Family Cites Families (18)

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JPS55108215U (ru) * 1979-01-23 1980-07-29
JPS6017255A (ja) * 1983-07-11 1985-01-29 Nissan Motor Co Ltd 沸騰冷却方式エンジンのシリンダヘツド
GB2165886A (en) * 1984-10-23 1986-04-23 Ford Motor Co An inlet manifold for an i c engine
US5031579A (en) * 1990-01-12 1991-07-16 Evans John W Cooling system for internal combustion engines
JPH08200063A (ja) * 1995-01-31 1996-08-06 Daihatsu Motor Co Ltd インテークマニホルド
US6230669B1 (en) * 1996-11-13 2001-05-15 Evans Cooling Systems, Inc. Hermetically-sealed engine cooling system and related method of cooling
DE19920195B4 (de) * 1999-05-03 2007-12-06 Audi Ag Luftansaugsystem für eine mehrzylindrige Brennkraftmaschine
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DE10226688B4 (de) 2002-06-15 2004-12-09 Daimlerchrysler Ag Zylinderkopf einer Hubkolbenbrennkraftmaschine
US6810838B1 (en) * 2003-06-12 2004-11-02 Karl Harry Hellman Individual cylinder coolant control system and method
DE10340157B4 (de) * 2003-09-01 2008-10-02 Audi Ag Vorrichtung zur Medienführung in einem Zylinderkurbelgehäuse
US6840221B1 (en) * 2003-12-23 2005-01-11 International Engine Intellectual Property Company, Llc Runnerless engine intake manifold having integral fuel delivery groove or bore
JP4814920B2 (ja) * 2008-08-20 2011-11-16 本田技研工業株式会社 内燃機関の排気構造
EP2161438B1 (de) * 2008-09-03 2015-01-21 Behr GmbH & Co. KG System zur Rückführung von Abgas einer Verbrennungskraftmaschine und Verfahren zur Rückführung von Abgas einer Verbrennungskraftmaschine
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JP5711716B2 (ja) * 2012-10-19 2015-05-07 本田技研工業株式会社 シリンダヘッドのウォータージャケット構造

Also Published As

Publication number Publication date
RU2018121115A (ru) 2019-12-09
CN109026341A (zh) 2018-12-18
RU2767431C2 (ru) 2022-03-17
EP3415750A1 (de) 2018-12-19
BR102018011894A2 (pt) 2019-05-07
DE102017112858A1 (de) 2018-12-13
US20180355785A1 (en) 2018-12-13
BR102018011894A8 (pt) 2023-01-17
RU2018121115A3 (ru) 2021-09-29
CN109026341B (zh) 2022-01-11
US10774727B2 (en) 2020-09-15

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