EP3134637B1 - Schaltung zur neuansaugung von blow-by-gas für eine brennkraftmaschine, insbesondere benzinmotor - Google Patents

Schaltung zur neuansaugung von blow-by-gas für eine brennkraftmaschine, insbesondere benzinmotor Download PDF

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Publication number
EP3134637B1
EP3134637B1 EP15714558.2A EP15714558A EP3134637B1 EP 3134637 B1 EP3134637 B1 EP 3134637B1 EP 15714558 A EP15714558 A EP 15714558A EP 3134637 B1 EP3134637 B1 EP 3134637B1
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EP
European Patent Office
Prior art keywords
circuit
main pipe
pipe
reaspiration
coupling
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
EP15714558.2A
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English (en)
French (fr)
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EP3134637A1 (de
Inventor
Franck Alizon
Emilie CARTIER
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
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Renault SAS
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Publication date
Application filed by Renault SAS filed Critical Renault SAS
Publication of EP3134637A1 publication Critical patent/EP3134637A1/de
Application granted granted Critical
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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
    • F02M35/10209—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
    • 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
    • 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
    • F01M13/0011—Breather valves
    • F01M2013/0027—Breather valves with a de-icing or defrosting system
    • 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
    • F01M2013/0038—Layout of crankcase breathing systems
    • F01M2013/0044—Layout of crankcase breathing systems with one or more valves

Claims (9)

  1. Rückführkreis (20) von Blow-by-Gas eines Verbrennungsmotors (10), der eine Ölabscheidungsvorrichtung (21), einen ersten Zweig (23) und einen zweiten Zweig (24) enthält, wobei der Rückführkreis (20) einen Anschluss (30, 130, 230) enthält, der von einer Hauptleitung (31, 131, 231) gebildet wird, die sich im Bereich einer Verzweigung (32, 132, 232) in eine erste Sekundärleitung (33, 133, 233) und eine zweite Sekundärleitung (34, 134, 234) aufteilt, wobei der Anschluss eine innere Rohrleitung (35, 135, 235) enthält, die sich mindestens zum Teil im Inneren der Hauptleitung (31, 131, 231) erstreckt und einen Außenquerschnitt kleiner als der Innenquerschnitt der Hauptleitung aufweist, wobei die innere Rohrleitung (35, 135, 235) über eines ihrer Enden (35a, 135a, 235a) fest mit der ersten Sekundärleitung (33, 133, 233) verbunden ist, indem sie mit dieser in Fluidverbindung steht, wobei die innere Rohrleitung (35, 135, 235) ein anderes freies Ende (35b, 135b, 235b) aufweist, das eine Öffnung (36, 136, 236) mit vorbestimmtem Querschnitt aufweist, wobei die innere Rohrleitung (35, 135, 235) so gestaltet ist, dass die Öffnung (36, 136, 236) mit vorbestimmtem Querschnitt im Inneren der Hauptleitung zwischen einem freien Ende (31a, 131a, 231a) der Hauptleitung und der Verzweigung (32, 132, 232) angeordnet ist oder von der Hauptleitung auf der Seite ihres freien Endes vorsteht,
    dadurch gekennzeichnet, dass das freie Ende (31a, 131a, 231a) der Hauptleitung (31, 131, 231) des Anschlusses an die Ölabscheidungsvorrichtung (21) angeschlossen ist, wobei die erste Sekundärleitung (33, 133, 233) des Anschlusses an den ersten Zweig (23) und die zweite zweite Sekundärleitung (34, 134, 234) des Anschlusses an den zweiten Zweig (24) angeschlossen ist.
  2. Rückführkreis (20) nach Anspruch 1, dadurch gekennzeichnet, dass die erste Sekundärleitung (33, 133, 233) des Anschlusses (30, 130, 230) sich in der Verlängerung der Hauptleitung (31, 131, 231) erstreckt.
  3. Rückführkreis (20) nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Öffnung (36, 136, 236) mit vorbestimmtem Querschnitt des Anschlusses im Inneren der Hauptleitung im Bereich der Verzweigung (32, 132, 232) angeordnet ist.
  4. Rückführkreis (20) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Öffnung mit vorbestimmtem Querschnitt (36, 136, 236) des Anschlusses im Inneren der Hauptleitung gegenüber der zweiten Sekundärleitung (34, 134, 234) angeordnet ist.
  5. Rückführkreis (20) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Öffnung mit vorbestimmtem Querschnitt (36, 136, 236) des Anschlusses im Inneren der Hauptleitung in der Verlängerung einer Wand der zweiten Sekundärleitung (34, 134, 234) angeordnet ist.
  6. Rückführkreis (20) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Öffnung (236) mit vorbestimmtem Querschnitt des Anschlusses innerhalb der Hauptleitung in der Verlängerung einer Wand (234c) der zweiten Sekundärleitung angeordnet ist, die der ersten Sekundärleitung benachbart ist.
  7. Rückführkreis (20) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass er aus Polymermaterial ist, zum Beispiel aus einem Stück hergestellt.
  8. Verbrennungsmotor (10), der einen Luftansaugkreis (12), der mit einem Regelventil (13) ausgestattet ist, und einen Rückführkreis (20) der Blow-by-Gase nach einem der Ansprüche 1 bis 7 enthält, wobei der erste Zweig (23) des Rückführkreises (20) an den Luftansaugkreis (12) stromabwärts hinter dem Regelventil (13) bezüglich der Fließrichtung der Ansaugluft im Luftansaugkreis (20) angeschlossen ist, wobei der zweite Zweig (24) des Rückführkreises an den Luftansaugkreis (12) stromaufwärts vor dem Regelventil (13) angeschlossen ist.
  9. Kraftfahrzeug, das einen Verbrennungsmotor (10) nach Anspruch 8 enthält.
EP15714558.2A 2014-04-23 2015-03-03 Schaltung zur neuansaugung von blow-by-gas für eine brennkraftmaschine, insbesondere benzinmotor Active EP3134637B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1453625A FR3020413B1 (fr) 2014-04-23 2014-04-23 Raccord de circuit de reaspiration de gaz de blow-by pour moteur a combustion interne, notamment a essence
PCT/FR2015/050517 WO2015162345A1 (fr) 2014-04-23 2015-03-03 Raccord de circuit de reaspiration de gaz de blow-by pour moteur a combustion interne, notamment a essence

Publications (2)

Publication Number Publication Date
EP3134637A1 EP3134637A1 (de) 2017-03-01
EP3134637B1 true EP3134637B1 (de) 2018-07-18

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EP15714558.2A Active EP3134637B1 (de) 2014-04-23 2015-03-03 Schaltung zur neuansaugung von blow-by-gas für eine brennkraftmaschine, insbesondere benzinmotor

Country Status (4)

Country Link
EP (1) EP3134637B1 (de)
CN (1) CN106460736B (de)
FR (1) FR3020413B1 (de)
WO (1) WO2015162345A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ308465B6 (cs) * 2019-07-09 2020-09-02 Ĺ KODA AUTO a.s. Kliková skříň se sestavou pro odvětrání klikové skříně

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2539849Y2 (ja) * 1991-05-31 1997-07-02 スズキ株式会社 ブローバイガス還元装置
JP5527486B2 (ja) * 2011-10-31 2014-06-18 トヨタ自動車株式会社 内燃機関の換気制御装置

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* Cited by examiner, † Cited by third party
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Also Published As

Publication number Publication date
WO2015162345A1 (fr) 2015-10-29
CN106460736A (zh) 2017-02-22
FR3020413B1 (fr) 2019-04-26
EP3134637A1 (de) 2017-03-01
FR3020413A1 (fr) 2015-10-30
CN106460736B (zh) 2019-11-05

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