EP2299100B1 - Saugrohr mit integrierter Kurbelgehäuseentlüftung und Fahrzeug mit einem solchen Saugrohr - Google Patents

Saugrohr mit integrierter Kurbelgehäuseentlüftung und Fahrzeug mit einem solchen Saugrohr Download PDF

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Publication number
EP2299100B1
EP2299100B1 EP20100305957 EP10305957A EP2299100B1 EP 2299100 B1 EP2299100 B1 EP 2299100B1 EP 20100305957 EP20100305957 EP 20100305957 EP 10305957 A EP10305957 A EP 10305957A EP 2299100 B1 EP2299100 B1 EP 2299100B1
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EP
European Patent Office
Prior art keywords
recovery
pipes
intake manifold
mixing
evacuation
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Application number
EP20100305957
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English (en)
French (fr)
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EP2299100A1 (de
Inventor
Jérôme Roussel
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.)
Sogefi Air and Cooling SAS
Original Assignee
Systemes Moteurs SAS
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Publication of EP2299100A1 publication Critical patent/EP2299100A1/de
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Classifications

    • 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
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/02—Crankcase ventilating or breathing by means of additional source of positive or negative pressure
    • F01M13/021—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure
    • F01M13/022—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure using engine inlet suction
    • 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
    • F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
    • 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
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/06—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding lubricant vapours

Definitions

  • the present invention relates to the field of internal combustion engine vehicles and more particularly the power systems of these engines.
  • the invention relates to a distributor or intake manifold for an internal combustion engine and a vehicle equipped with such a distributor.
  • the document DE-A-103 30 493 offers an internal combustion engine whose cylinder head is equipped with an intake manifold and a valve cover.
  • the intake manifold incorporates a blow-by recovery and exhaust system from the crankcase.
  • this known recovery circuit has a large footprint and a complex internal structure.
  • the output of the "blow-by" gases is separated and delocalized with respect to the feed opening of the manifold, thus creating another connection interface and requiring an additional circuit.
  • the present invention aims to provide a solution for the evacuation of gas in the housing, while avoiding the main disadvantages described above.
  • the subject of the invention is a distributor or intake manifold consisting of a hollow body formed by the assembly of at least two constituent parts coming from molding thermoplastic material (s) or metal said hollow body comprising, on the one hand, a mixing / distribution chamber or plenum with at least one supply opening associated with a mounting plate or the like and, on the other hand, a plurality of tubings connected to said chamber and extending from the latter, said pipes being provided or forming at their free ends a mounting plate and sealing connection to the cylinder heads of an internal combustion engine.
  • a distributor or intake manifold consisting of a hollow body formed by the assembly of at least two constituent parts coming from molding thermoplastic material (s) or metal said hollow body comprising, on the one hand, a mixing / distribution chamber or plenum with at least one supply opening associated with a mounting plate or the like and, on the other hand, a plurality of tubings connected to said chamber and extending from the latter, said pipes being provided or forming at their free ends a mounting plate and sealing connection to
  • This distributor is characterized in that it also comprises a separate or separate circuit for recovering and evacuating gases, in particular unburned combustion gases emanating from the casing and loaded with oil or gas called "blow-by", this circuit being integrated in the structure of said distributor, in that the integrated recovery and evacuation circuit comprises, on the one hand, at least a first portion of recovery conduit having an inlet opening intended to be connected to a drain orifice present at a cylinder head, when mounting the distributor on the engine, and, secondly, a second portion of collection conduit and / or evacuation fluidly connected to the or each recovery portion, and, in that the or each first portion of conduit is at least partially contiguous to a pipe, with which it shares a common wall portion, in particular near its inlet opening, and that the second portion of conduit is at least partially contiguous to the mixing / distribution chamber, with which it shares a common wall portion.
  • the integrated recovery and evacuation circuit comprises, on the one hand, at least a first portion of recovery conduit having an inlet opening intended to be connected to
  • FIGS. 1 to 5 show a distributor or intake manifold 1 consisting of a hollow body formed by the assembly of at least two constituent parts 2, 2 ', 2 "come from molding thermoplastic material (s) or metal.
  • This hollow body comprises, on the one hand, a mixing / distribution or plenum chamber 3 with at least one feed opening 4 associated with a fixing plate 4 'or the like and, on the other hand, a plurality of tubes 5 connected to said chamber 3 and extending from the latter, said pipes 5 being provided or forming at their free ends a plate or flange 6 for fixing and sealing connection to the cylinder heads of an internal combustion engine.
  • the pipes 5 may have valve receiving housings and their control shaft.
  • said distributor 1 also comprises a separate or separated circuit 7, 8 for recovering and evacuating gases, in particular unburned combustion gases emanating from the casing and charged with oil or gas called "blow-by", this circuit 7, 8 being integrated in the structure of said distributor 1.
  • the distributor 1 performs a second function in addition to its power function, namely a crankcase evacuation function.
  • the integrated recovery and evacuation circuit further comprises, on the one hand, at least a first portion of recovery duct 7 having an inlet opening 7 'intended to be connected to an orifice of emptying present at a cylinder head, during assembly of the distributor 1 on the engine, and, secondly, a second portion of collection conduit and / or evacuation 8 fluidly connected to the or each recovery portion 7 .
  • the or each first portion of duct 7 is at least partially contiguous to a pipe 5, with which it shares a common wall portion 5 ', in particular near its inlet opening 7', and the second conduit portion 8 is at least partially contiguous to the mixing / distribution chamber 3, with which it shares a common wall portion 3 '.
  • each portion 7 and 8 at least partially follows, preferably in all, the conformation and the configuration of the basic structure of the distributor 1, in particular the tubes 5 and the chamber 3, so as to generate a minimum of space additional, to make the most of the walls of the pipes 5 and the chamber 3 and to create the least possible parts protruding.
  • the general shape of the distributor 1 is not substantially modified (with respect to a distributor 1 without circuit 7, 8) and its size is not substantially increased.
  • the number of duct portions 7 and the location of the openings 7 'of these can be easily modified for the realization of a suitable distributor 1, without substantially changing the structure of the latter.
  • each first portion of conduit 7 has a proximal portion of the second conduit portion 8, which is attached to the mixing / distribution chamber 3, with which it shares a common wall portion 3 ".
  • the inlet opening 7 'of the or each recovery conduit portion 7 is located substantially in the connection plane of the tubing 5 to the cylinder heads, at the mounting and connection plate 6.
  • outlet opening 8 ' may be adjacent to one or to the feed opening (s) 4 of the mixing / distribution chamber 3 and is located substantially in the connection plane of this supply opening 4.
  • the splitter 1 may have only one portion of conduit 7 if such a configuration is sufficient.
  • the integrated circuit 7, 8 recovery and removal of unburned gases from the housing comprises at least two portions of recovery ducts 7 associated with two different pipes 5.
  • the recovery pipe 7 and discharge 8 portions consist of tubular parts formed on the pipes 5 and the mixing chamber 3 / distribution, for example partially in one piece and partially by cooperation of the constituent parts 2, 2 ', 2 "forming said distributor or collector 1, these tubular portions or fragments of tubular parts being integral with these constituent parts 2 , 2 ', 2 ".
  • the distributor 1 may consist of an assembly of three constituent parts 2, 2 'and 2 "in the form of separate parts integrally integrally molded, namely, a first part 2 comprising the tubes 5, a lower portion of the wall of the mixing / distribution chamber 3 and the tubular ends of the recovery pipe portions 7 defining the inlet openings 7 ', a second part 2' comprising the upper portion complementary to the wall of the mixing chamber 3 distribution, the complementary portion of the recovery pipe portions 7, a lower longitudinal portion of the portion discharge duct 8 and the connection interface of the feed opening 4 and a third portion 2 "forming the complementary upper longitudinal portion of the discharge portion 8.
  • the distributor 1 may consist of an assembly of two constituent parts 2 and 2 'in the form of separate parts integrally integrally molded, namely on the one hand, a first part 2 comprising the tubes 5, the plate 6 fixing the pipes 5, a lower portion of the wall of the mixing / distribution chamber 3, the lower portions of the recovery pipe portions 7 and their tubular ends defining the inlet openings 7 'and, on the other hand, a second part 2 'comprising the upper complementary portion of the wall of the mixing / distribution chamber 3, the supply opening 4 thereof and its fixing plate 4', the exhaust duct portion 8, the complementary upper parts of recovery ducts 7.
  • the constituent parts 2, 2 'and 2 " are molded parts made of thermoplastic material and their assembly is performed by vibration welding.
  • the invention also relates to a motor vehicle with an internal combustion engine, characterized in that its air / fuel mixture supply system comprises an intake distributor as described above, the internal combustion engine comprising at least one gas evacuation orifice in the housing, located (s) near at least one injection port of the air / fuel mixture of a cylinder head.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Manufacturing & Machinery (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Claims (9)

  1. Saugrohr oder Einlasskrümmer bestehend aus einem hohlen Körper, der durch den Zusammenbau von mindestens zwei Bestandteilen gebildet ist, die aus einem oder mehreren geformten Gusswerkstoffen oder Metall stammen, dieser hohle Körper umfassend, einerseits, eine Mischungs-/Verteilungskammer beziehungsweise ein Plenum mit wenigstens einer einer Befestigungsplatte oder ähnlichem zugeordneten Einlassöffnung und, andererseits, mehrere Verrohrungen, die mit dieser Kammer verbunden sind und sich von dieser erstrecken, wobei diese Verrohrungen an ihren freien Enden mit einer Platte ausgestattet sind beziehungsweise eine Platte ausbilden, die zur Befestigung und zum dichten Anschluss an die Zylinderköpfe einer Verbrennungskraftmaschine ausgelegt ist,
    das Saugrohr ebenfalls umfassend einen Kreislauf (7, 8) zur Rückgewinnung und Entlüftung von Gasen, insbesondere von ölbeladenen beziehungsweise sogenannten "blow-by" unverbrannten Verbrennungsgasen aus dem Gehäuse, wobei dieser Kreislauf (7, 8) in der Struktur dieses Saugrohrs (1) integriert ist,
    dieser integrierte Rückgewinnungs- und Entlüftungskreislauf umfassend einerseits, wenigstens einen ersten Teilabschnitt einer Rückgewinnungsleitung (7) mit einer Einlassöffnung (7') zum Anschluss an eine an einem Zylinderkopf vorhandene Entleerungsöffnung, bei der Montage des Saugrohrs (1) am Motor, und, andererseits, einen zweiten Teilabschnitt einer mit dem oder jedem Rückgewinnungsteil (7) verbundenen Sammlungs- und/oder Entlüftungsleitung (8),
    Saugrohr (1), dadurch gekennzeichnet, dass der Kreislauf (7, 8) ein getrennter beziehungsweise gesonderter Kreislauf ist, dessen der oder jeder erste Leitungsteil (7) an einer Verrohrung (5) wenigstens teilweise angekoppelt ist, mit welcher sie einen gemeinsamen Wandteil (5') teilt, insbesondere in der Nähe von ihrer Einlassöffnung (7'), und dessen der zweite Leitungsteil (8) an der Mischungs- und Verteilungskammer (3) wenigstens teilweise angekoppelt ist, mit welcher sie einen gemeinsamen Wandteil (3') teilt, wobei die Kreislaufteile (7, 8) aus rohrförmigen Teilabschnitten bestehen, die an den Verrohrungen (5) und der Mischungs- oder Verteilungskammer (3) gebildet sind.
  2. Saugrohr oder Einlasskrümmer nach Anspruch 1, dadurch gekennzeichnet, dass der oder jeder erste Leitungsteil (7) einen proximalen Teil des zweiten Leitungsteils (8) enthält, der an der Mischungs- und Verteilungskammer (3) ankoppelt ist, mit welcher sie einen gemeinsamen Wandteil (3") teilt.
  3. Saugrohr oder Einlasskrümmer nach Ansprüchen 1 und 2, dadurch gekennzeichnet, dass die Einlassöffnung (7') des oder jedes Rückgewinnungsleitungsteils (7) wesentlich in der Anschlussebene der Verrohrungen (5) mit den Zylinderköpfen liegt, bei der Befestigungs- und Anschlussplatte oder beim Befestigungs- und Anschlussflansch (6).
  4. Saugrohr oder Einlasskrümmer nach einem der Ansprüche 1 und 3, dadurch gekennzeichnet, dass der Teilabschnitt der Entlüftungsleitung (8) eine Auslassöffnung (8') umfasst, die einer oder der Förderöffnung (4) der Mischungs- oder Verteilungskammer (3) benachbart angeordnet ist und die in der Anschlussebene dieser Förderöffnung (4) im wesentlichen liegt.
  5. Saugrohr oder Einlasskrümmer nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der integrierte Kreislauf (7, 8) zur Rückgewinnung und Entlüftung von unverbrannten Gasen aus dem Gehäuse mindestens zwei Teilabschnitte von Rückgewinnungsleitungen (7) enthält, die zwei unterschiedlichen Verrohrungen (5) zugeordnet sind.
  6. Saugrohr oder Einlasskrümmer nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Teilabschnitte der Leitungen zur Rückgewinnung (7) und Entlüftung (8) teilweise einstückig und teilweise durch Zusammenwirkung der Bestandteile (2, 2', 2") ausgebildet sind, aus denen dieses Saugrohr beziehungsweise dieser Einlasskrümmer (1) besteht, wobei diese rohrförmigen Teilabschnitte beziehungsweise Fragmente von rohrförmigen Teilabschnitten mit diesen Bestandteilen (2, 2', 2") einstückig sind.
  7. Saugrohr oder Einlasskrümmer nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass es aus einem Aufbau aus drei Bestandteilen (2, 2' und 2") in der Form von getrennten einstückigen Gussteilen besteht, nämlich, aus einem ersten Bestandteil (2) umfassend die Verrohrungen (5), einen unteren Teilabschnitt der Wand der Mischungs- und Verteilungskammer (3) und die rohrförmigen Enden der Teilabschnitte der die Einlassöffnungen (7') bildenden Rückgewinnungsleitungen (7), aus einem zweiten Teilabschnitt (2') umfassend den oberen komplementären Teilabschnitt der Wand der Mischungs- und Verteilungskammer (3), den komplementären Teil der Teilabschnitte der Rückgewinnungsleitungen (7), einen unteren Längsteil des Teilabschnitts der Entlüftungsleitung (8) und die Anschlusschnittstelle der Förderöffnung (4), und aus einem dritten Teil (2") bildend den oberen komplementären Längsteil des Entlüftungsteilabschnitts (8).
  8. Saugrohr oder Einlasskrümmer nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass es aus einem Aufbau aus zwei Bestandteilen (2 und 2') in der Form von getrennten einstückigen Gussteilen besteht, nämlich einerseits, aus einem ersten Bestandteil (2) umfassend die Verrohrungen (5), die Platte (6) zur Befestigung der Verrohrungen (5), einen unteren Teilabschnitt der Wand der Mischungs- und Verteilungskammer (3), untere Teile der Teilabschnitte der Rückgewinnungsleitungen (7) und ihre die Einlassöffnungen (7') bildenden rohrförmigen Enden (7') und, andererseits, aus einem zweiten Teilabschnitt (2') umfassend den unteren komplementären Teilabschnitt der Wand der Mischungs- und Verteilungskammer (3), deren Förderöffnung (4) und ihre Befestigungsplatte (4'), den Teilabschnitt der Entlüftungsleitung (8), die komplementären oberen Teile der Teilabschnitte der Rückgewinnungsleitungen (7).
  9. Kraftfahrzeug mit Verbrennungskraftmaschine, dadurch gekennzeichnet, dass sein Fördersystem mit einer Luft- und Brennstoffmischung ein Saugrohr nach einem der Ansprüche 1 bis 8 enthält, wobei die Verbrennungskraftmaschine wenigstens eine Öffnung zur Kurbelgehäuseentlüftung umfasst, in der Nähe von wenigstens einer Öffnung zur Zufuhr der Luft- und Brennstoffmischung in einen Zylinderkopf.
EP20100305957 2009-09-04 2010-09-06 Saugrohr mit integrierter Kurbelgehäuseentlüftung und Fahrzeug mit einem solchen Saugrohr Active EP2299100B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0956042A FR2949823B1 (fr) 2009-09-04 2009-09-04 Repartiteur integrant un circuit d'evacuation des gaz du carter et vehicule comportant un tel repartiteur

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EP2299100A1 EP2299100A1 (de) 2011-03-23
EP2299100B1 true EP2299100B1 (de) 2012-10-24

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FR (1) FR2949823B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016125467A (ja) * 2015-01-08 2016-07-11 アイシン精機株式会社 内燃機関の吸気装置

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Publication number Priority date Publication date Assignee Title
US4602607A (en) * 1985-02-25 1986-07-29 General Motors Corporation Internal crankcase ventilation system with easily accessible PCV valve
DE3918785A1 (de) * 1989-06-08 1990-12-13 Bayerische Motoren Werke Ag Sauganlage einer brennkraftmaschine
FR2661455A1 (fr) 1990-04-26 1991-10-31 Peugeot Dispositif de recuperation et de recyclage des gaz de combustion imbrules emanant du carter d'un moteur a combustion interne, et moteur equipe de ce dispositif.
DE10105555B4 (de) * 2001-02-06 2016-02-25 Volkswagen Ag Entlüftungsvorrichtung für ölbeladene Gase einer Brennkraftmaschine
FR2847307B1 (fr) * 2002-11-20 2007-03-02 Mark Iv Systemes Moteurs Sa Collecteur d'admission en deux parties
DE10320493A1 (de) * 2003-05-08 2004-12-02 Volkswagen Ag Brennkraftmaschine mit Kurbelgehäuseentlüftung
DE10330493A1 (de) 2003-07-05 2005-02-10 Hyperstone Ag Verfahren zur Verwaltung von Speicherinformationen
KR20050047218A (ko) * 2003-11-17 2005-05-20 현대자동차주식회사 내연기관 엔진의 포지티브 크랭크케이스 벤틸레이션 시스템
DE102004012160A1 (de) * 2004-03-12 2005-09-29 Adam Opel Ag Kurbelgehäuseentlüftung
DE102005061448A1 (de) * 2005-12-22 2007-07-05 GM Global Technology Operations, Inc., Detroit Saugrohr-Zylinderkopfanordnung
ITTO20060333A1 (it) 2006-05-09 2007-11-10 Dayco Fuel Man Spa Dispositivo separatore per un motore a combustibile interna di un autoveicolo
DE102006038831B4 (de) * 2006-08-18 2018-03-15 Volkswagen Ag Brennkraftmaschine mit Rückführung von Blow-By-Gasen
JP5125399B2 (ja) 2007-10-19 2013-01-23 日産自動車株式会社 エンジンのブローバイガス回収装置

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EP2299100A1 (de) 2011-03-23
FR2949823A1 (fr) 2011-03-11
FR2949823B1 (fr) 2013-05-10

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