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EP0816668B1 - Tuyau d'admission à paroi mince pour moteur à combustion interne - Google Patents

Tuyau d'admission à paroi mince pour moteur à combustion interne Download PDF

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Publication number
EP0816668B1
EP0816668B1 EP97106127A EP97106127A EP0816668B1 EP 0816668 B1 EP0816668 B1 EP 0816668B1 EP 97106127 A EP97106127 A EP 97106127A EP 97106127 A EP97106127 A EP 97106127A EP 0816668 B1 EP0816668 B1 EP 0816668B1
Authority
EP
European Patent Office
Prior art keywords
intake manifold
valve
opening
internal combustion
combustion 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.)
Expired - Lifetime
Application number
EP97106127A
Other languages
German (de)
English (en)
Other versions
EP0816668A2 (fr
EP0816668A3 (fr
Inventor
Hans-Ulrich Kühnel
Franz Dellen
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.)
Pierburg GmbH
Original Assignee
Pierburg GmbH
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 Pierburg GmbH filed Critical Pierburg GmbH
Priority to EP02004931A priority Critical patent/EP1211409A1/fr
Publication of EP0816668A2 publication Critical patent/EP0816668A2/fr
Publication of EP0816668A3 publication Critical patent/EP0816668A3/fr
Application granted granted Critical
Publication of EP0816668B1 publication Critical patent/EP0816668B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • 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
    • F02M35/10236—Overpressure or vacuum relief means; Burst protection
    • 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
    • F02M35/10301—Flexible, resilient, pivotally or movable parts; Membranes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/08—Thermoplastics

Definitions

  • the invention relates to an intake manifold for an internal combustion engine according to the preamble of claim 1.
  • a suction pipe is known from DE 25 26 550 A.
  • This document describes that the causes of intake manifold explosions, which lead to the partial or total destruction of mixture preparation systems in internal combustion engines due to breakage or fire, can be traced back to ignitions of the air / fuel mixture upstream with the intake valve open or sucked in during the suction stroke. Because of these ignitions, there is a disproportionate increase in the pressure in the intake manifold, as a result of which the intake manifold is damaged or even destroyed. Such a destruction could not occur with "thick-walled” intake manifolds because the material strength of the intake manifold was sufficient to withstand the disproportionate pressure.
  • Such "thick-walled” suction pipes were, for example, made of sand cast with wall thicknesses of about 4 millimeters and had no separating seams. These suction pipes were heavy and stable.
  • Suction pipes made of correspondingly lighter materials are manufactured.
  • Made in series from die-cast aluminum or plastic injection Intake pipes have a wall thickness of about 2 millimeters. Because of the Manufacturing process such suction pipes have a joint at which two halves of the Suction pipe can be connected to each other, or a separating seam on that above certain pressures as well as the small "thin" wall thickness form a weak point.
  • an auxiliary outlet (opening) is provided to avoid damage to the suction pipe and to discharge the disproportionate pressure, which is opened when a predetermined pressure is exceeded within the suction pipe.
  • the secondary outlet is initially closed by a pot-shaped cover, which can be placed on a nozzle on the outside of the intake manifold wall.
  • this pot-shaped lid has the decisive disadvantage that it releases the secondary outlet when intake manifold explosions occur and thus creates a pressure equalization in the atmosphere; after the suction pipe explosion has subsided and the auxiliary outlet has been released, further operation of the internal combustion engine is in no way possible, since after opening the auxiliary outlet the circuit of the fuel pump or the ignition current of the internal combustion engine is interrupted.
  • the object of the invention is a generic intake manifold to be designed in such a way that the disadvantages described are avoided.
  • the drawing shows a section through a section 1 of a downstream one, not shown Throttle valve connector lying plastic / metal intake pipe, which to one of the Cylinder of the internal combustion engine leads.
  • this intake manifold is provided downstream of the throttle valve connector to arrange an opening 2 leading into the atmosphere by a pressure in the intake manifold 1 responsive valve 3 is controlled.
  • This valve 3 is a so-called elastomer umbrella valve 4, which projects into a central opening 6 with a stem 5 and through a pin extension 7 a screw bushing 8 is held.
  • the screw bushing 8 has a collar ring 10 which is spaced apart by ribs 9 and onto which a cover flap 11 is pushed on and clipped to it, the ribs 9 of the screw bushing 8 form a tool attachment 12, so that the screw bushing 8 in the opening 2 can be screwed in.
  • the invention is based on the knowledge that the bursting of the suction pipes 1 by after the ignition of the internal combustion engine which occasionally occurs of stored / condensed in the intake manifold 1 and with that contained in the intake manifold 1 Air mixed fuel / fuel vapor residues is caused.
  • this pressure increase is achieved by opening the Valve 3 limited.
  • the air / fuel gas can escape into the free atmosphere.
  • the burning gas cools down through ribs 13 divided opening 2 and also in the outlet opening 13 covered by the cap 11 between the screw bushing 8 and collar ring 10.
  • valve 3 closes again, the internal combustion engine remains operational.
  • the cap 11 prevents dirt and water from entering the opening 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Characterised By The Charging Evacuation (AREA)
  • Means For Warming Up And Starting Carburetors (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Catching Or Destruction (AREA)
  • Exhaust Gas After Treatment (AREA)

Claims (3)

  1. Tubulure d'admission (1) à paroi mince pour un moteur à combustion interne avec conduits de raccordement, qui conduisent aux cylindres du moteur à combustion interne, et au moins une tubulure à vanne papillon, avec laquelle est commandé l'air de combustion aspiré par le moteur à combustion interne, la tubulure d'admission (1) présentant un orifice (2) disposé en aval de la tubulure à vanne papillon et conduisant à l'atmosphère, qui s'ouvre en cas de dépassement d'une pression prédéfinie à l'intérieur de la tubulure d'admission (1), afin que la paroi de la tubulure d'admission (1) ne soit pas endommagée par dépassement de la pression prédéfinie, l'orifice (2) étant commandé par une vanne (3) répondant à une surpression dans la tubulure d'admission (1) et la vanne (3) après dissipation de la surpression se refermant automatiquement, caractérisée en ce que la vanne (3) est formée par une vanne à parapluie en élastomère (4), qui pénètre par un téton (5) dans un orifice central (6) et est maintenue par une goupille (7) d'une douille filetée (8).
  2. Tubulure d'admission selon la revendication 1, caractérisée en ce que la douille filetée (8) comporte une collerette (10) entretoisée par des nervures (9), sur laquelle un couvercle (11) est appliqué et encliqueté avec celle-ci.
  3. Tubulure d'admission selon la revendication 2, caractérisée en ce que les nervures (9) de la douille filetée (8) constituent une embase pour outil (12) de sorte que la douille filetée (9) peut être vissée dans l'orifice (2).
EP97106127A 1996-06-27 1997-04-15 Tuyau d'admission à paroi mince pour moteur à combustion interne Expired - Lifetime EP0816668B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02004931A EP1211409A1 (fr) 1996-06-27 1997-04-15 Tuyau d'admission à paroi mince pour moteur à combustion interne

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19625768 1996-06-27
DE19625768A DE19625768B4 (de) 1996-06-27 1996-06-27 Dünnwandiges Saugrohr für eine Brennkraftmaschine

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP02004931A Division EP1211409A1 (fr) 1996-06-27 1997-04-15 Tuyau d'admission à paroi mince pour moteur à combustion interne

Publications (3)

Publication Number Publication Date
EP0816668A2 EP0816668A2 (fr) 1998-01-07
EP0816668A3 EP0816668A3 (fr) 1998-04-22
EP0816668B1 true EP0816668B1 (fr) 2002-09-18

Family

ID=7798193

Family Applications (2)

Application Number Title Priority Date Filing Date
EP97106127A Expired - Lifetime EP0816668B1 (fr) 1996-06-27 1997-04-15 Tuyau d'admission à paroi mince pour moteur à combustion interne
EP02004931A Withdrawn EP1211409A1 (fr) 1996-06-27 1997-04-15 Tuyau d'admission à paroi mince pour moteur à combustion interne

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP02004931A Withdrawn EP1211409A1 (fr) 1996-06-27 1997-04-15 Tuyau d'admission à paroi mince pour moteur à combustion interne

Country Status (8)

Country Link
US (1) US5826554A (fr)
EP (2) EP0816668B1 (fr)
JP (1) JP3893192B2 (fr)
KR (1) KR100472870B1 (fr)
BR (1) BR9703747A (fr)
DE (2) DE19625768B4 (fr)
ES (1) ES2179236T3 (fr)
MX (1) MX9704054A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10047197A1 (de) 2000-09-23 2002-04-25 Bosch Gmbh Robert Saugrohr für eine Brennkraftmaschine
DE10131110A1 (de) * 2001-06-27 2003-01-09 Mann & Hummel Filter Zwischenflanschsystem für eine direkteinspritzende Brennkraftmaschine
EP2082774B1 (fr) * 2002-02-04 2017-04-12 Fisher & Paykel Healthcare Limited Appareil d'assistance respiratoire
US6571753B1 (en) 2002-03-20 2003-06-03 Brunswick Corporation Passive air vent for a marine engine
USD510741S1 (en) * 2003-08-29 2005-10-18 Mamoru Ogose Air intake system
DE602004004133T2 (de) * 2004-09-28 2007-11-15 Magneti Marelli Powertrain S.P.A. Einlasskrümmer mit Luftbehälter für eine Brennkraftmaschine
DE102009048209A1 (de) * 2009-10-05 2011-04-07 Mann + Hummel Gmbh Luftfilter für eine Brennkraftmaschine
JP5959156B2 (ja) * 2011-04-11 2016-08-02 株式会社セキソー ダクト連結部の製造方法
US9873325B1 (en) 2014-10-22 2018-01-23 Hydro-Gear Limited Partnership Drive apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0280122A2 (fr) * 1987-02-24 1988-08-31 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Dispositif d'aspiration pour un moteur à combustion interne

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1677019A (en) * 1926-01-14 1928-07-10 Casati Pietro Arrangement for eliminating the dangers due to back fires in carburetors
DE1918382A1 (de) * 1969-04-11 1970-10-22 Porsche Kg Einrichtung an Brennkraftmaschinen zum Verhindern des Ausstroemens von Brennstoff aus dem Gemischbildungssystem in die Atmosphaere
DE2526550A1 (de) * 1975-06-13 1976-12-23 Porsche Ag Saugrohr fuer brennkraftmaschinen
US4499916A (en) * 1983-01-31 1985-02-19 Allied Corporation Vacuum check valve
US4538555A (en) * 1984-05-07 1985-09-03 John Kite Power plate
DE3536522A1 (de) * 1985-10-12 1987-04-16 Audi Ag Saugrohr fuer eine brennkraftmaschine
US5150669A (en) * 1989-11-06 1992-09-29 General Motors Corporation Pressure relief means for integrated induction system
US4986225A (en) * 1990-06-08 1991-01-22 General Motors Corporation Intake reservoir system for an engine having a check valve
US4991547A (en) * 1990-06-08 1991-02-12 General Motors Corporation Intake port pressure control system for engine induction system
US5018486A (en) * 1990-06-08 1991-05-28 General Motors Corporation Pressure relief system for a check valve
US5129426A (en) * 1991-05-13 1992-07-14 Vernay Laboratories, Inc. Tube mounted check valve
US5186198A (en) * 1991-12-12 1993-02-16 Penn Troy Maching Company, Inc. Intake manifold relief valve
US5280769A (en) * 1993-05-04 1994-01-25 General Motors Corporation Pressure relief means for induction system
US5375565A (en) * 1993-12-16 1994-12-27 Caterpillar Inc. Flame arrestor and method of manufacture
JPH08100722A (ja) * 1994-09-29 1996-04-16 Toyota Motor Corp 内燃機関の吸気管構造
US5507256A (en) * 1995-06-14 1996-04-16 Ford Motor Company Intake manifold positive pressure relief disk

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0280122A2 (fr) * 1987-02-24 1988-08-31 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Dispositif d'aspiration pour un moteur à combustion interne

Also Published As

Publication number Publication date
EP0816668A2 (fr) 1998-01-07
KR100472870B1 (ko) 2005-05-20
JP3893192B2 (ja) 2007-03-14
EP1211409A1 (fr) 2002-06-05
EP0816668A3 (fr) 1998-04-22
BR9703747A (pt) 1998-08-11
DE59708238D1 (de) 2002-10-24
US5826554A (en) 1998-10-27
DE19625768A1 (de) 1998-01-02
JPH1054314A (ja) 1998-02-24
DE19625768B4 (de) 2009-04-16
KR980002784A (ko) 1998-03-30
ES2179236T3 (es) 2003-01-16
MX9704054A (es) 1997-12-31

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