EP0841477A1 - Agencement de vanne de papillon pour un moteur à combustion interne - Google Patents

Agencement de vanne de papillon pour un moteur à combustion interne Download PDF

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Publication number
EP0841477A1
EP0841477A1 EP96810757A EP96810757A EP0841477A1 EP 0841477 A1 EP0841477 A1 EP 0841477A1 EP 96810757 A EP96810757 A EP 96810757A EP 96810757 A EP96810757 A EP 96810757A EP 0841477 A1 EP0841477 A1 EP 0841477A1
Authority
EP
European Patent Office
Prior art keywords
throttle valve
housing
internal combustion
combustion engine
light metal
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.)
Withdrawn
Application number
EP96810757A
Other languages
German (de)
English (en)
Inventor
Gerhard Dahmen
Erhard Saur
Bernard Poyetton
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.)
3A Composites International AG
Original Assignee
Alusuisse Lonza Services Ltd
Alusuisse Technology and Management Ltd
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 Alusuisse Lonza Services Ltd, Alusuisse Technology and Management Ltd filed Critical Alusuisse Lonza Services Ltd
Priority to EP96810757A priority Critical patent/EP0841477A1/fr
Priority to DE59707234T priority patent/DE59707234D1/de
Priority to ES97944676T priority patent/ES2174295T3/es
Priority to PCT/CH1997/000407 priority patent/WO1998021460A1/fr
Priority to EP97944676A priority patent/EP0937197B1/fr
Publication of EP0841477A1 publication Critical patent/EP0841477A1/fr
Withdrawn legal-status Critical Current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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1035—Details of the valve housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/107—Manufacturing or mounting details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1075—Materials, e.g. composites
    • F02D9/1085—Non-organic materials, e.g. metals, alloys, ceramics
    • 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
    • F02M35/10255—Arrangements of valves; Multi-way valves
    • 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
    • F02M35/10327—Metals; Alloys
    • 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
    • F02M35/10373—Sensors for intake systems
    • F02M35/1038—Sensors for intake systems for temperature or pressure
    • 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
    • F05C2201/00—Metals
    • F05C2201/02—Light metals
    • F05C2201/021—Aluminium
    • 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 present invention relates to a throttle valve arrangement of an internal combustion engine with internal combustion based on the Otto principle, containing a throttle valve part in the intake tract from the housing and at least one throttle valve, the housing a Cast part, predominantly made of a light metal, and the throttle valve is predominantly made of is a light metal.
  • the intake tract has, in particular, a throttle element with a single-flow or double-flow throttle valve part and a throttle valve-equipped switching intake manifold and / or an air flow meter, for example in the form of a dynamic pressure flow meter for the intake tract.
  • the housings are in the engine compartment, for example a motor vehicle, such as a passenger car or a delivery van and correspondingly very often mechanical loads, but above all large ones Temperature differences, exposed.
  • the housing of the Throttle bodies for example in casting processes, such as a die casting process, are preferred made of aluminum alloys.
  • the throttle valves themselves are made of brass or Made of aluminum alloys.
  • the throttle valves made of aluminum alloy are in generally stamped out of post-processing products such as strips or sheets and reworked.
  • the throttle valves are designed in such a way that they move smoothly around their in normal operation Axis are rotatably mounted in the throttle body.
  • Axis are rotatably mounted in the throttle body.
  • the throttle valves in the throttle element tend to jam and lead to improper engine running, faulty fuel supply or engine stall. By jamming can also damage the throttle valves and the housing and there is no longer any reliable function. This has always been distracting with the Dissemination of catalytic afterburning and control of mixture formation by means of
  • the lambda probe arranged on the exhaust gas side are any interference factors of inhibiting throttle valves, no longer tolerable. That is why it was tried Solve problem with cut edges with special geometry on the throttle cap. This solution is complex due to the precision mechanical machining of metal and does not always lead to the desired results. I.e. is still a significant one Reject rate on defective throttle valve arrangements, which the quality requirements the automaker did not meet to watch.
  • this is achieved in that the light metal of the housing (2) of the Throttle valve part and the light metal of the throttle valve (1) a comparable thermal Have coefficient of linear expansion, the thermal coefficient of linear expansion of the light metal of the housing (2) and the thermal coefficient of linear expansion of the light metal of the throttle valve (1), based on the smaller thermal Coefficients of linear expansion differ by a maximum of 5%.
  • the thermal expansion coefficients (linear Thermal expansion coefficient) by at most 4%, preferably by at most 2%.
  • Throttle valve arrangements of an internal combustion engine are also useful which are the thermal expansion coefficients of the light metals of the housing of the throttle valve part and the throttle valve in the temperature range from 20 ° C to 100 ° C and in particular from -40 ° C to 140 ° C, by at most 5%, advantageously by at most 4% and in particular by a maximum of 2%.
  • Throttle valve arrangements on internal combustion engines according to the present invention are very particularly preferred, in which the thermal linear expansion coefficients of the light metals of the housing of the throttle valve part and / or the throttle valve are, for example, in a range from 21.7 x 10 -6 / ° K to 22.9 x 10 -6 / ° K, preferably from 22.0 x 10 -6 / ° K to 22.6 x 10 -6 / ° K and in particular at 22.5 x 10 -6 / ° K, in each case at 20 to 100 ° C .
  • Light metals include, for example, magnesium and, in particular, its alloys.
  • aluminum and its alloys are preferred used.
  • the housing of the throttle valve part for example made of an alloy from the AlSi series, AlSiMg or AlSiCu.
  • the alloys from the AlSi and AlSiCu series are preferred.
  • the housing of the throttle valve part can be produced, for example, by casting, die casting processes are preferred.
  • the light metal is used in the die casting process molten or if the alloy is thixotropic, semi-rigid, due to external Pressurization pressed into a mold. After the metal solidifies, the shape opened and the raw housing part can be removed from the mold.
  • the Housing part can be reworked, such as by deburring, grinding, polishing and it can Drilled holes and bushings and the like. Inserted, thread cut and the surfaces are tempered like galvanic layers or deposited on the surfaces the surfaces are anodized, etc. Accordingly, the housing itself from the light metal, while surface layers and / or built-in or add-on parts another material can exist.
  • the throttle valve for example, made of an alloy from the AlSi, AlSiMg or AlSiCu series. Alloys from the AlSiMg and AlSiCu series are preferred.
  • ingots made of the alloys mentioned, for example processed by rolling, into strips or sheets and from the strips blanks for the throttle valves can be punched out or sheet metal.
  • the alloys can also be used, for example, in a die-casting process to produce blank throttle bodies are processed.
  • the blanks can after attaching the storage elements, such as Axles or bearing bushes and actuators can be installed directly or the blanks can reworked and a surface treatment, such as surface treatment, polishing, Chromium plating and / or other or further galvanic treatment or anodic Undergo oxidation.
  • a surface treatment such as surface treatment, polishing, Chromium plating and / or other or further galvanic treatment or anodic Undergo oxidation.
  • deburring, fine turning or grinding additionally required.
  • throttle body blanks are as already mentioned, by attaching the bearing elements, such as axles or bushings and actuators, ready for further use.
  • the throttle valves themselves consist of the light metal, while e.g. Surface layers and attachments from others Materials can exist.
  • Throttle valve arrangements of an internal combustion engine are particularly preferred according to the present invention, in which the housing of the throttle valve part and the throttle valve are made of the same alloy and the alloy from the series, for example selected by AlSi, AlSiMg or AlSiCu.
  • the strength values of the mentioned light metals and thereby the aluminum alloys can be characterized, for example, as follows: minimum strength Rm 300 MPa and Rp0.2 minimum 260MPa.
  • the present throttle valve assembly of an internal combustion engine can be a single-flow Throttle valve part with a throttle valve or a double-flow throttle valve part with two throttle bodies.
  • the throttle valve can also be a throttle valve actuator for idle control.
  • the throttle valve can also be equipped with an integrated idle actuator be equipped.
  • Further embodiments are throttle valves with a servomotor or throttle valves containing a throttle valve actuator for idle control and / or a throttle switch, which is usually attached to a throttle body and operated by the throttle shaft, and e.g. for idle control, overrun cut-off or ignition angle adjustment is used.
  • the throttle valve can be a throttle valve damper exhibit.
  • the throttle valve connector serves to accommodate the Throttle valve, e.g. the spring assemblies for resetting the throttle valve, a throttle valve potentiometer, the throttle linkage and the idle actuator.
  • the throttle valve arrangement can also have a switching intake manifold with one or two or three throttle valves.
  • Switching intake pipes serve to close the intake pipe lengths vary and summarize different intake manifold arms.
  • the switching intake manifold and the Throttle valves arranged therein can be made of the light metals mentioned, whose Numerical values of their thermal expansion coefficients do not exceed 5%, appropriately differentiate by at most 4% and advantageously by at most 2%. Further Preferences can be found in the information on the throttle body and throttle valve remove.
  • a throttle valve arrangement can be used to measure the air volume for example, an air mass meter or an air flow meter.
  • Air flow meter can work on the principle of a dynamic pressure flow meter.
  • Back pressure flow meter can contain a damper or can operate on the float principle work and contain a baffle plate.
  • the housing of the air flow meter and the baffle flap or the baffle plate can be made of the aforementioned light metals, the Numerical values of their thermal expansion coefficients do not exceed 5%, appropriately differentiate by at most 4% and advantageously by at most 2%. Further Preferences can be found in the information on the throttle body and throttle valve remove.
  • the present invention finds use in the throttle valve assembly of an internal combustion engine with internal combustion based on the Otto principle, contained in the intake system a throttle valve part from the housing and at least one throttle valve, the Housing is a casting made of a light metal and the throttle valve from one Light metal is on injection systems with mechanical or electronic control.
  • FIG. 1 shows an example of a throttle valve arrangement on an internal combustion engine.
  • a throttle valve (1) is surrounded by a housing of the throttle valve part (2).
  • the intake air flows through the air filter (6) and then through the air flow meter (3).
  • the data for the intake air temperature and air volume are collected by sensors determined and the signals (4, 5) forwarded to a control unit (7).
  • the intake air flows through the intake tract (8), the fuel is injected through the injection nozzle (9) and that The mixture formed enters the combustion chamber (10).

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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)
  • Ceramic Engineering (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Check Valves (AREA)
  • Sliding Valves (AREA)
EP96810757A 1996-11-08 1996-11-08 Agencement de vanne de papillon pour un moteur à combustion interne Withdrawn EP0841477A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP96810757A EP0841477A1 (fr) 1996-11-08 1996-11-08 Agencement de vanne de papillon pour un moteur à combustion interne
DE59707234T DE59707234D1 (de) 1996-11-08 1997-10-27 Drosselklappenanordnung einer verbrennungskraftmaschine
ES97944676T ES2174295T3 (es) 1996-11-08 1997-10-27 Disposicion de compuerta de estrangulacion de un motor de combustion interna.
PCT/CH1997/000407 WO1998021460A1 (fr) 1996-11-08 1997-10-27 Agencement de clapet d'etranglement pour un moteur a combustion interne
EP97944676A EP0937197B1 (fr) 1996-11-08 1997-10-27 Agencement de clapet d'etranglement pour un moteur a combustion interne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96810757A EP0841477A1 (fr) 1996-11-08 1996-11-08 Agencement de vanne de papillon pour un moteur à combustion interne

Publications (1)

Publication Number Publication Date
EP0841477A1 true EP0841477A1 (fr) 1998-05-13

Family

ID=8225745

Family Applications (2)

Application Number Title Priority Date Filing Date
EP96810757A Withdrawn EP0841477A1 (fr) 1996-11-08 1996-11-08 Agencement de vanne de papillon pour un moteur à combustion interne
EP97944676A Expired - Lifetime EP0937197B1 (fr) 1996-11-08 1997-10-27 Agencement de clapet d'etranglement pour un moteur a combustion interne

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP97944676A Expired - Lifetime EP0937197B1 (fr) 1996-11-08 1997-10-27 Agencement de clapet d'etranglement pour un moteur a combustion interne

Country Status (4)

Country Link
EP (2) EP0841477A1 (fr)
DE (1) DE59707234D1 (fr)
ES (1) ES2174295T3 (fr)
WO (1) WO1998021460A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006039827A1 (de) * 2006-08-25 2008-02-28 Mahle International Gmbh Schaltvorrichtung zum Steuern einer Gasströmung
DE102012009878B3 (de) * 2012-05-18 2013-06-13 Gerhard Kirstein Verbrennungsmotor
DE102012000628A1 (de) * 2012-01-14 2013-08-01 Volkswagen Aktiengesellschaft Stellorgan zur Einstellung der Durchflussmenge eines Fluids

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6226330A (ja) * 1985-07-25 1987-02-04 Suzuki Motor Co Ltd 気化器のスロツトルバルブ
JPH0261331A (ja) * 1988-08-26 1990-03-01 Hitachi Ltd 絞弁組立体
DE4129570A1 (de) * 1991-09-06 1993-03-11 Pierburg Gmbh Klappenanordnung
DE4413145A1 (de) * 1994-04-15 1995-10-19 Daimler Benz Ag Drosselklappenanordnung, insbesondere für eine Kraftfahrzeug-Abgasanlage
DE19504256A1 (de) * 1995-02-09 1996-08-14 Montaplast Gmbh Schaltsaugrohr für Verbrennungsmotoren

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6226330A (ja) * 1985-07-25 1987-02-04 Suzuki Motor Co Ltd 気化器のスロツトルバルブ
JPH0261331A (ja) * 1988-08-26 1990-03-01 Hitachi Ltd 絞弁組立体
DE4129570A1 (de) * 1991-09-06 1993-03-11 Pierburg Gmbh Klappenanordnung
DE4413145A1 (de) * 1994-04-15 1995-10-19 Daimler Benz Ag Drosselklappenanordnung, insbesondere für eine Kraftfahrzeug-Abgasanlage
DE19504256A1 (de) * 1995-02-09 1996-08-14 Montaplast Gmbh Schaltsaugrohr für Verbrennungsmotoren

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 11, no. 210 (M - 604) 8 July 1987 (1987-07-08) *
PATENT ABSTRACTS OF JAPAN vol. 14, no. 235 (M - 0975) 18 May 1990 (1990-05-18) *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006039827A1 (de) * 2006-08-25 2008-02-28 Mahle International Gmbh Schaltvorrichtung zum Steuern einer Gasströmung
US8191861B2 (en) 2006-08-25 2012-06-05 Mahle International Gmbh Control valve for controlling a gas flow
DE102012000628A1 (de) * 2012-01-14 2013-08-01 Volkswagen Aktiengesellschaft Stellorgan zur Einstellung der Durchflussmenge eines Fluids
DE102012009878B3 (de) * 2012-05-18 2013-06-13 Gerhard Kirstein Verbrennungsmotor

Also Published As

Publication number Publication date
EP0937197A1 (fr) 1999-08-25
ES2174295T3 (es) 2002-11-01
DE59707234D1 (de) 2002-06-13
EP0937197B1 (fr) 2002-05-08
WO1998021460A1 (fr) 1998-05-22

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