EP0351520A2 - Conduit d'admission d'air pour un moteur à combustion - Google Patents

Conduit d'admission d'air pour un moteur à combustion Download PDF

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Publication number
EP0351520A2
EP0351520A2 EP89109353A EP89109353A EP0351520A2 EP 0351520 A2 EP0351520 A2 EP 0351520A2 EP 89109353 A EP89109353 A EP 89109353A EP 89109353 A EP89109353 A EP 89109353A EP 0351520 A2 EP0351520 A2 EP 0351520A2
Authority
EP
European Patent Office
Prior art keywords
pipe
pipe section
air intake
intake tract
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.)
Granted
Application number
EP89109353A
Other languages
German (de)
English (en)
Other versions
EP0351520A3 (en
EP0351520B1 (fr
Inventor
Klaus Gröger
Herbert Dipl.-Ing. Fh Ampferer
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.)
Dr Ing HCF Porsche AG
Original Assignee
Dr Ing HCF Porsche AG
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 Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Publication of EP0351520A2 publication Critical patent/EP0351520A2/fr
Publication of EP0351520A3 publication Critical patent/EP0351520A3/de
Application granted granted Critical
Publication of EP0351520B1 publication Critical patent/EP0351520B1/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
    • F02M35/10314—Materials for intake systems
    • F02M35/10321—Plastics; Composites; Rubbers
    • 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
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10019—Means upstream of the fuel injection system, carburettor or plenum chamber
    • 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
    • F02M35/10137—Flexible ducts, e.g. bellows or hoses
    • 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
    • F02M35/10373—Sensors for intake systems
    • F02M35/10386—Sensors for intake systems for flow rate
    • 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 air intake tract according to the preamble of claim 1.
  • the object of the present invention is to provide a vibration-decoupling, elastic, yet pressure-resistant pipe section in such a way that it serves on the one hand to accommodate additional units and on the other hand compensates for the tolerances that occur between the air filter and throttle valve assembly of an internal combustion engine.
  • the object is achieved according to the invention by the features of claim 1. Further advantageous features include the subclaims.
  • the main advantages achieved by the invention are a more effective tolerance compensation between the air filter and throttle valve connector and the good vibration isolation between these two parts.
  • the small wall thickness of the bellows allows the ends of the pipe section to be moved slightly relative to the pipe section while maintaining sufficient rigidity of the bellows against constriction.
  • two receptacles formed on the pipe section and designed as pipe sockets can be used in a simpler manner Wise connecting parts, such as an idle actuator, are used.
  • the rigidity of the material used for the pipe section can be chosen so high that constriction due to negative pressure is excluded.
  • the idle actuator inserted in the pipe socket is fixed by a clamping fork formed on the outside of the pipe section. This eliminates the need for a separate attachment of the idle actuator.
  • the elastic material makes it possible to expand the clamping fork as well as the pipe sockets and the ends of the pipe section in order to connect lines or other parts.
  • the pipe section can be produced inexpensively as a molded part made of plastic or rubber and can be connected in a simple manner to the parts adjacent to the pipe section.
  • the air intake system of an internal combustion engine consists, inter alia, an air cleaner 1, an air flow meter 2, a throttle body 3 and an interposed as a piece of pipe approximately 90 ° manifold exported 4.
  • the cylindrical ends 5, 6 of the pipe section 4 are to provide such a connecting branch 7, 8 of Air flow meter 2 or throttle valve connector 3 attached.
  • the cylindrical end 6 has a radial projection 9 on the inside, which engages in a corresponding recess on the connecting piece 8 .
  • the pipe section 4 In the vicinity of the two ends 5, 6 , each has an outwardly facing bellows 10 .
  • the wall thickness of the bellows 10 is less than that of the rest of the pipe section 4 .
  • crankcase gases When the internal combustion engine is under load, the crankcase gases are vented into the pipe socket 11 via a main ventilation point 15 .
  • coasting or idling mode that is to say with the throttle valve closed, the crankcase gases are introduced via a line 16 connected to the heating element 13 behind the throttle valve into a secondary ventilation point 17 .
  • a cylindrical connection 20 of the idle actuator 18 is inserted directly, that is to say without a further connecting line.
  • a clamping fork 19 is formed in one piece with the pipe section 4 , the shape of which can be seen in FIG. 2 .
  • the clamping fork 19 can also be circular, as indicated in FIG. 2.
  • the idle actuator 18 is clearly fixed in its position by the tension fork 19 and the pipe socket 12 and thus requires no separate fastening material and no connecting line leading from the pipe section 4 to it.
  • the cylindrical ends 5, 6 and the pipe sockets 11, 12 each have at least one circumferential projection 21 on the outside. These projections 21 fix tensioning straps (not shown) in the axial direction, which ensure an airtight fit at the corresponding points.
  • the material and the wall thicknesses of the pipe section 4 are selected so that a constriction caused by negative pressure is prevented, but nevertheless there is sufficient elasticity for tolerance compensation and vibration decoupling (Shore hardness approx. 55-60).
  • the smooth outer surface of the pipe section 4 allows a significantly cheaper injection mold to be produced than in the case of a design with a smaller wall thickness but stiffening ribs on the outside.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Analytical Chemistry (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Means For Warming Up And Starting Carburetors (AREA)
EP89109353A 1988-07-21 1989-05-24 Conduit d'admission d'air pour un moteur à combustion Expired - Lifetime EP0351520B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3824792 1988-07-21
DE3824792A DE3824792A1 (de) 1988-07-21 1988-07-21 Luftansaugtrakt einer brennkraftmaschine

Publications (3)

Publication Number Publication Date
EP0351520A2 true EP0351520A2 (fr) 1990-01-24
EP0351520A3 EP0351520A3 (en) 1990-06-06
EP0351520B1 EP0351520B1 (fr) 1992-04-15

Family

ID=6359229

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89109353A Expired - Lifetime EP0351520B1 (fr) 1988-07-21 1989-05-24 Conduit d'admission d'air pour un moteur à combustion

Country Status (5)

Country Link
US (1) US4903644A (fr)
EP (1) EP0351520B1 (fr)
JP (1) JP2708556B2 (fr)
DE (2) DE3824792A1 (fr)
ES (1) ES2031307T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994004815A1 (fr) * 1992-08-22 1994-03-03 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Moteur a combustion interne comportant un systeme d'admission
US5595151A (en) * 1995-12-11 1997-01-21 Siemens Electric Limited Releasable connection for molded parts

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2654158B1 (fr) * 1989-11-03 1994-10-07 Stihl Andreas Moteur thermique, muni d'un collecteur d'admission fixe au cylindre, pour une machine-outil guidee manuellement.
JP2639608B2 (ja) * 1991-12-18 1997-08-13 本田技研工業株式会社 自動二輪車の吸気装置
SE9303470L (sv) * 1993-10-21 1995-04-22 Electrolux Ab Insugningsrör för en förbränningsmotor
DE10041484B4 (de) 2000-08-24 2007-02-01 Dr.Ing.H.C. F. Porsche Ag Brennkraftmaschine, insbesondere für Motorräder
US6835234B2 (en) * 2002-12-12 2004-12-28 Visteon Global Technologies, Inc. Intake tube assembly with evaporative emission control device
US20060090725A1 (en) * 2004-10-20 2006-05-04 Garvey Paul W Devices for connecting canister air cleaners to carburetors of internal combustion engines
AU2006208390A1 (en) * 2005-01-31 2006-08-03 Illinois Tool Works Inc. Fluid supply assembly with measuring guide
CN101078386A (zh) * 2006-05-26 2007-11-28 现代自动车株式会社 用于减少低频噪音的通风管节流口
US8925510B2 (en) * 2008-12-17 2015-01-06 Ford Global Technologies, Llc Automotive air induction system
JP5513943B2 (ja) * 2010-03-16 2014-06-04 本田技研工業株式会社 パワーユニットの吸気系構造
DE102010040435A1 (de) * 2010-09-08 2012-03-08 Deere & Company Ansaugschlauch
DE102010049015B4 (de) * 2010-10-21 2013-12-05 Johnson Controls Hybrid And Recycling Gmbh Kühlflüssigkeits-Verteilerschlauch und Batterieanordnung
KR101499218B1 (ko) * 2013-08-29 2015-03-05 현대자동차주식회사 저진동 특성을 가지는 자동차용 인터쿨러 파이프
JP6053835B2 (ja) * 2015-01-21 2016-12-27 本田技研工業株式会社 ブローバイガス処理装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB767711A (en) * 1951-05-08 1957-02-06 Ferguson Harry Inc Air intake system for tractor
DE2342157A1 (de) * 1973-08-21 1975-02-27 Purolator Filter Gmbh Anordnung eines ansaugrohres fuer luftfilter, insbesondere fuer brennkraftmaschinen
DE2758076A1 (de) * 1977-12-24 1979-07-05 Henniges Gummi Luftfuehrungsgehaeuse
EP0139122A1 (fr) * 1983-09-20 1985-05-02 Dr.Ing.h.c. F. Porsche Aktiengesellschaft Arrangement de tuyau d'admission pour un moteur à combustion interne
US4592316A (en) * 1983-06-29 1986-06-03 Honda Giken Kogyo Kabushiki Kaisha Air funnel assembly
US4648628A (en) * 1985-09-19 1987-03-10 Dayco Products, Inc. Branched hose construction, T-connector therefor and methods of making the same
FR2595120A1 (fr) * 1986-03-01 1987-09-04 Stihl Andreas Tubulure de raccord entre carburateur et chambre d'explosion
JPS63314358A (ja) * 1987-06-16 1988-12-22 Daihatsu Motor Co Ltd 内燃機関の吸気マニホ−ルド
DE8900612U1 (de) * 1989-01-20 1989-03-30 Klöckner-Humboldt-Deutz AG, 5000 Köln Leistungsstrang zur Kurbelraumentlüftung bei aufgeladenen Brennkraftmaschinen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4372120A (en) * 1979-10-26 1983-02-08 General Motors Corporation V-Type engine intake with vibration isolated manifold connector
JPS59213922A (ja) * 1983-05-19 1984-12-03 Nissan Motor Co Ltd 内燃機関の吸気装置
JPS6081459A (ja) * 1983-10-11 1985-05-09 Toyota Motor Corp 内燃機関の吸気装置
DE3426266C2 (de) * 1984-07-17 1986-06-05 Adam Opel AG, 6090 Rüsselsheim Kraftfahrzeug mit einer Sammelsaugrohranlage

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB767711A (en) * 1951-05-08 1957-02-06 Ferguson Harry Inc Air intake system for tractor
DE2342157A1 (de) * 1973-08-21 1975-02-27 Purolator Filter Gmbh Anordnung eines ansaugrohres fuer luftfilter, insbesondere fuer brennkraftmaschinen
DE2758076A1 (de) * 1977-12-24 1979-07-05 Henniges Gummi Luftfuehrungsgehaeuse
US4592316A (en) * 1983-06-29 1986-06-03 Honda Giken Kogyo Kabushiki Kaisha Air funnel assembly
EP0139122A1 (fr) * 1983-09-20 1985-05-02 Dr.Ing.h.c. F. Porsche Aktiengesellschaft Arrangement de tuyau d'admission pour un moteur à combustion interne
US4648628A (en) * 1985-09-19 1987-03-10 Dayco Products, Inc. Branched hose construction, T-connector therefor and methods of making the same
FR2595120A1 (fr) * 1986-03-01 1987-09-04 Stihl Andreas Tubulure de raccord entre carburateur et chambre d'explosion
JPS63314358A (ja) * 1987-06-16 1988-12-22 Daihatsu Motor Co Ltd 内燃機関の吸気マニホ−ルド
DE8900612U1 (de) * 1989-01-20 1989-03-30 Klöckner-Humboldt-Deutz AG, 5000 Köln Leistungsstrang zur Kurbelraumentlüftung bei aufgeladenen Brennkraftmaschinen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 13, no. 154 (M-814)(3502) 14 April 1989, & JP-A-63 314358 (DAIHATSU MOTOR CO.) 22 Dezember 1988, *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994004815A1 (fr) * 1992-08-22 1994-03-03 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Moteur a combustion interne comportant un systeme d'admission
US5603295A (en) * 1992-08-22 1997-02-18 Ing. H.C.F. Porsche Ag Internal-combustion engine comprising an intake system
US5595151A (en) * 1995-12-11 1997-01-21 Siemens Electric Limited Releasable connection for molded parts

Also Published As

Publication number Publication date
EP0351520A3 (en) 1990-06-06
EP0351520B1 (fr) 1992-04-15
DE58901148D1 (de) 1992-05-21
ES2031307T3 (es) 1992-12-01
JP2708556B2 (ja) 1998-02-04
DE3824792A1 (de) 1990-01-25
JPH0267451A (ja) 1990-03-07
US4903644A (en) 1990-02-27

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