DE112004000143B4 - Inlet collector for an internal combustion engine - Google Patents

Inlet collector for an internal combustion engine Download PDF

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Publication number
DE112004000143B4
DE112004000143B4 DE112004000143.9T DE112004000143T DE112004000143B4 DE 112004000143 B4 DE112004000143 B4 DE 112004000143B4 DE 112004000143 T DE112004000143 T DE 112004000143T DE 112004000143 B4 DE112004000143 B4 DE 112004000143B4
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Prior art keywords
inlet
housing
collector
inlet collector
sections
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DE112004000143.9T
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German (de)
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DE112004000143A5 (en
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Johannes Rieger
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AVL List GmbH
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AVL List GmbH
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    • 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
    • F02M35/10367—Machining, e.g. milling, grinding, punching, sanding; Bending; Surface treatments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/02—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
    • F02B27/0226—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means characterised by the means generating the charging effect
    • F02B27/0247—Plenum chambers; Resonance chambers or resonance pipes
    • F02B27/0263—Plenum chambers; Resonance chambers or resonance pipes the plenum chamber and at least one of the intake ducts having a common wall, and the intake ducts wrap partially around the plenum chamber, i.e. snail-type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/02—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
    • F02B27/0226—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means characterised by the means generating the charging effect
    • F02B27/0268—Valves
    • F02B27/0273—Flap valves
    • 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
    • F02D9/104—Shaping of the flow path in the vicinity of the flap, e.g. having inserts in the 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
    • F02D9/08—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
    • F02D9/109—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps having two or more flaps
    • F02D9/1095—Rotating on a common axis, e.g. having a common shaft
    • 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
    • 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
    • F02M35/10026—Plenum chambers
    • F02M35/10052—Plenum chambers special shapes or arrangements of plenum chambers; Constructional details
    • 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
    • F02M35/10078—Connections of intake systems to the engine
    • 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
    • F02M35/10111—Substantially V-, C- or U-shaped ducts in direction of the flow path
    • 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
    • F02M35/10118—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements with variable cross-sections of intake ducts along their length; Venturis; Diffusers
    • 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
    • F02M35/10131—Ducts situated in more than one plane; Ducts of one plane crossing ducts of another plane
    • 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
    • F02M35/10216—Fuel injectors; Fuel pipes or rails; Fuel pumps or pressure regulators
    • 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
    • F02M35/10321—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
    • F02M35/10314—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
    • F02M35/1034—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
    • 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
    • F02M35/108—Intake manifolds with primary and secondary intake passages
    • F02M35/1085—Intake manifolds with primary and secondary intake passages the combustion chamber having multiple intake 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
    • F02M35/104—Intake manifolds
    • F02M35/116—Intake manifolds for engines with cylinders in V-arrangement or arranged oppositely relative to the main shaft
    • 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
    • F02M35/112—Intake manifolds for engines with cylinders all in one line
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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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)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Characterised By The Charging Evacuation (AREA)

Abstract

Einlasssammler (1) für eine Brennkraftmaschine mit zumindest zwei Zylindern, mit einem Gehäuse (2), welches einen gemeinsamen Sammelraum (3) ausbildet, von welchem zu den Zylindern führende Einlasskanalteilstücke (4, 5) ausgehen, wobei zumindest eine Gruppe von Einlasskanalteilstücken (4) durch Klappen (6) schaltbar ausgeführt ist, und wobei der Einlasssammler (1) als einstückiger Bauteil ausgeführt ist, wobei die Gruppe von Einlasskanalteilstücken (4) von einer ersten Längsseite (13) des Gehäuses (2) des Einlasssammlers (1) ausgeht, und wobei der Einlasssammler (1) Bearbeitungsöffnungen (10) aufweist, dadurch gekennzeichnet, dass das Gehäuse (2) im Bereich einer, der ersten Längsseite (13) gegenüberliegenden zweiten Längsseite (14) die Bearbeitungsöffnungen (10) zur Nachbearbeitung der Einlasskanalteilstücke (4) aufweist.An intake manifold (1) for an internal combustion engine having at least two cylinders, comprising a housing (3) forming a common plenum (3) from which inlet duct sections (4, 5) leading to the cylinders extend, at least one group of inlet duct sections (4 ) is designed switchable by flaps (6), and wherein the inlet collector (1) is designed as a one-piece component, wherein the group of inlet channel sections (4) starting from a first longitudinal side (13) of the housing (2) of the inlet collector (1), and wherein the inlet header (1) has machining openings (10), characterized in that the housing (2) in the region of a second longitudinal side (14) opposite the first longitudinal side (13) has the machining openings (10) for reworking the inlet channel sections (4). having.

Figure DE112004000143B4_0001
Figure DE112004000143B4_0001

Description

Die Erfindung betrifft einen Einlasssammler für eine Brennkraftmaschine mit zumindest zwei Zylindern, mit einem Gehäuse, welches einen gemeinsamen Sammelraum ausbildet, von welchem zu den Zylindern führende Einlasskanalteilstücke ausgehen, wobei zumindest eine Gruppe von Einlasskanalteilstücken durch Klappen schaltbar ausgeführt ist, und wobei der Einlasssammler als einstückiger Bauteil ausgeführt ist, wobei die Gruppe von Einlasskanalteilstücken von einer ersten Längsseite des Gehäuses des Einlasssammlers ausgeht, und wobei der Einlasssammler Bearbeitungsöffnungen aufweist.The invention relates to an intake manifold for an internal combustion engine having at least two cylinders, with a housing which forms a common plenum, emanating from which leading to the cylinder inlet duct sections, wherein at least one group of inlet duct sections is designed switchable by flaps, and wherein the inlet collector as a one piece Component is executed, wherein the group of inlet duct sections from a first longitudinal side of the housing of the inlet collector emanating, and wherein the inlet collector has machining openings.

Aus der JP 08-270517 A ist ein Einlasssammler bekannt, dessen Gehäuse einteilig mit einem Anschlussflansch für die Zylinder ausgeführt ist. Zwischen dem Einlasssammler und dem Flansch sind bogenförmige Einlassrohre vorgesehen. Der Einlasssammler ist nicht schaltbar ausgeführt.From the JP 08-270517 A An intake manifold is known whose housing is made in one piece with a flange for the cylinder. Arcuate inlet tubes are provided between the inlet header and the flange. The inlet collector is not switchable.

Die US 5 016 578 A beschreibt einen Einlasssammler aus Aluminium mit einem Gehäuse und einer Anzahl von Einlasskrümmern. Der Einlasssammler ist nicht schaltbar ausgeführt. Auch die US 4 829 944 A behandelt einen nicht schaltbaren Einlasssammler aus Aluminium.The US 5 016 578 A describes an aluminum intake manifold with a housing and a number of intake manifolds. The inlet collector is not switchable. Also the US 4,829,944 A treats a non-switchable aluminum intake manifold.

Die US 5 823 156 A zeigt einen einstückigen Einlasssammler für zwei Einlasskanäle mit einem integrierten Doppel-Drosselklappengehäuse. Ein Umschalten zwischen zwei Gruppen von Einlasskanälen ist nicht möglich.The US 5 823 156 A shows a one-piece inlet manifold for two inlet channels with a built-in double throttle body. Switching between two groups of intake ports is not possible.

Aus der WO 95/18295 A1 ist eine Saugrohranlage für eine Mehrzylinder-Brennkraftmaschine bekannt, welche einen rohrförmigen Ansaugverteiler aufweist, von dem erste Einzelsaugrohre ausgehen, die sich in einem Bogen um den Ansaugverteiler erstrecken und zu den einzelnen Zylindern der beiden Zylinderreihen führen. Zweite, kürzere Einzelsaugrohre gehen ebenfalls von dem Ansaugverteiler aus und münden in zugehörige Einzelsaugrohre. Der Ansaugverteiler und die ersten und zweiten Einzelsaugrohre sind von einem einstückigen Bauteil gebildet, das eine die zweiten Einzelsaugrohre für die Zylinder beider Zylinderreihen schneidende Längsbohrung aufweist. In die Längsbohrung ist eine Schaltwalze eingesetzt, die für jedes zweite Einzelsaugrohr einen Durchbruch aufweist, der durch Drehen der Schaltwalze in oder außer Fluchtung mit dem betreffenden zweiten Einzelsaugrohr gebracht werden kann. Diese Saugrohranlage ist allerdings relativ voluminös und fertigungsaufwändig. Da der Durchmesser der Längsbohrung im Wesentlichen dem Durchmesser der Schaltwalze entsprechen muss, sind entsprechende große Abmessungen des Gehäuses der Saugrohranlage erforderlich. Problematisch ist die Abdichtung der Schaltwalze im Bereich der Einlasskanalwände.From the WO 95/18295 A1 is a Saugrohranlage for a multi-cylinder internal combustion engine is known, which has a tubular intake manifold, emanating from the first Einzelsaugrohre extending in an arc around the intake manifold and lead to the individual cylinders of the two rows of cylinders. Second, shorter Einzelsaugrohre also go from the intake manifold and open into associated individual intake. The intake manifold and the first and second Einzelsaugrohre are formed by a one-piece component having a second individual intake manifold for the cylinder of both cylinder rows intersecting longitudinal bore. In the longitudinal bore a shift drum is used, which has a breakthrough for each second Einzelsaugrohr, which can be brought by turning the shift drum in or out of alignment with the respective second Einzelsaugrohr. However, this intake manifold is relatively bulky and production-consuming. Since the diameter of the longitudinal bore has to correspond substantially to the diameter of the shift drum, corresponding large dimensions of the housing of the intake manifold are required. The problem is the sealing of the shift drum in the region of the inlet channel walls.

Die EP 0 814 244 A1 offenbart einen als einstückigen Bauteil ausgeführten Einlasssammler, welcher Bearbeitungsöffnungen aufweist, über welcher die Drosselklappen lagerichtig eingebaut werden können. Die Bearbeitungsöffnungen sind nicht geeignet zur Nachbearbeitung von Einlasskanalteilstücken.The EP 0 814 244 A1 discloses an intake manifold constructed as a one-piece component, which has machining openings over which the throttle valves can be installed in the correct position. The machining openings are not suitable for post-processing of inlet channel sections.

Aufgabe der Erfindung ist es, einen kompakten und möglichst einfach herstellbaren, schaltbaren Einlasssammler zu entwickeln.The object of the invention is to develop a compact, easy to manufacture, switchable inlet collector.

Erfindungsgemäß wird dies dadurch erreicht, dass das Gehäuse im Bereich einer, der ersten Längsseite gegenüberliegenden zweiten Längsseite die Bearbeitungsöffnungen zur Nachbearbeitung der Einlasskanalteilstücke aufweist. Durch die Bearbeitungsöffnung können die Klappendichtsitze im Gehäuse hindurch bearbeitet werden.According to the invention, this is achieved in that the housing in the region of a second longitudinal side opposite the first longitudinal side has the machining openings for reworking the inlet channel sections. Through the machining opening, the flap sealing seats can be processed through the housing.

Besonders vorteilhaft ist es, wenn die Bearbeitungsöffnungen durch einen Verschlussdeckel verschließbar sind, wobei vorzugsweise die Verschlussdeckel plan mit der Innenfläche des Gehäuses ausgeführt sind. Die Luftströmung innerhalb des Einlasssammlers wird durch die Verschlussdeckel nicht beeinträchtigt.It is particularly advantageous if the processing openings can be closed by a closure lid, wherein preferably the closure lid is designed flush with the inner surface of the housing. The air flow inside the inlet header is not affected by the closure cap.

Um eine einfache Montage der Klappenelemente zu ermöglichen ist in weiterer Ausführung der Erfindung vorgesehen, dass die Bearbeitungsöffnungen Kreisquerschnitte aufweisen, wobei der Durchmesser jeder Bearbeitungsöffnung mindestens dem Durchmesser des entsprechenden Einlasskanalteilstückes im Bereich der entsprechenden Klappe entspricht.In order to enable a simple assembly of the flap elements is provided in a further embodiment of the invention that the machining openings have circular cross-sections, wherein the diameter of each machining opening corresponds at least to the diameter of the corresponding inlet channel section in the region of the corresponding flap.

Im Rahmen der Erfindung ist weiters vorgesehen, dass das Gehäuse des Einlasssammlers zumindest eine die Gruppe von Einlasskanalteilstücken querende Längsbohrung zur Aufnahme einer Klappenwelle aufweist, auf welcher die Klappen befestigt sind. Die Klappen können durch die Bearbeitungsöffnungen hindurch auf der in die Längsbohrung eingesetzte Klappenwelle befestigt werden.In the context of the invention, it is further provided that the housing of the inlet header has at least one longitudinal bore crossing the group of inlet channel sections for receiving a flap shaft on which the flaps are fastened. The flaps can be fastened through the processing openings on the valve shaft inserted into the longitudinal bore.

Der Einlasssammler besteht vorteilhafter Weise aus Leichtmetall, vorzugsweise Aluminium oder einer Aluminiumlegierung.The inlet header is advantageously made of light metal, preferably aluminum or an aluminum alloy.

Die Erfindung wird im Folgenden anhand der Figuren näher erläutert.The invention will be explained in more detail below with reference to FIGS.

Es zeigen 1 den erfindungsgemäßen Einlasssammler in einem Längsschnitt und 2 den Einlasssammler in einer Explosionsdarstellung.Show it 1 the inlet collector according to the invention in a longitudinal section and 2 the inlet collector in an exploded view.

In den 1 und 2 ist ein einteiliger schaltbarer Einlasssammler 1 mit einem Gehäuse 2 für eine Brennkraftmaschine mit mehreren Zylindern dargestellt. Das Gehäuse 2 umschließt einen für alle Zylinder gemeinsamen Sammelraum 3, von welchen zu den Zylindern führenden Einlasskanalteilstücke 4, 5 ausgehen. Die Einlasskanalteilstücke 4, 5 sind einstückig mit einem Einlasssammler 1 ausgeführt. Zumindest eine Gruppe von Einlasskanalteilstücken 4 ist schaltbar ausgeführt, wobei unmittelbar an den Sammelraum 3 anschließend in den Einlasskanalteilstücken 4 jeweils eine Klappe 6 angeordnet ist. Die Klappen 6 sind auf einer gemeinsamen Klappenwelle 7 befestigt, welche drehbar in einer Längsbohrung 8 des Gehäuses 2 gelagert ist. Mit Bezugszeichen 9 ist ein Axiallager der Klappenwelle 7 bezeichnet.In the 1 and 2 is a one-piece switchable inlet collector 1 with a housing 2 shown for an internal combustion engine with multiple cylinders. The housing 2 encloses a collection space common to all cylinders 3 of which inlet duct sections leading to the cylinders 4 . 5 out. The inlet duct sections 4 . 5 are integral with an inlet collector 1 executed. At least one group of inlet duct sections 4 is switchable, being directly to the plenum 3 then in the inlet duct sections 4 one flap each 6 is arranged. The flaps 6 are on a common flap shaft 7 fixed, which rotatable in a longitudinal bore 8th of the housing 2 is stored. With reference number 9 is a thrust bearing of the valve shaft 7 designated.

Die schaltbaren Einlasskanalteilstücke 4 gehen von einer ersten Längsseite 13 des Gehäuses 2 aus. Auf der der ersten Längsseite 13 gegenüberliegenden zweiten Längsseite 14 weist das Gehäuse 2 Bearbeitungsöffnungen 10 auf, welche mit Verschlussdeckeln 11 verschlossen werden können. Die Durchmesser der Bearbeitungsöffnungen 10 sind mindestens so groß, wie die Durchmesser der Klappen 6. Dies ermöglicht es einerseits die Klappendichtflächen 12 am Beginn der Einlasskanalteilstücke 4 durch die Bearbeitungsöffnungen 10 hindurch zu bearbeiten und andererseits die Klappen 6 durch die Bearbeitungsöffnungen 10 hindurch in die Einlasskanalteilstücke 4 einzusetzen und auf der eingeschobenen Klappenwelle 7 mit den Befestigungsschrauben 12 zu montieren. Die Verschlussdeckel 11 sind auf der Innenseite 11a eben mit der Innenfläche 2a des Gehäuses 2 ausgeführt, so dass die Luftströmung im Sammelraum 3 nicht beeinträchtigt wird.The switchable inlet duct sections 4 go from a first long side 13 of the housing 2 out. On the first long side 13 opposite second longitudinal side 14 shows the case 2 machining openings 10 on, which with closure lids 11 can be closed. The diameters of the machining openings 10 are at least as large as the diameter of the flaps 6 , This allows on the one hand the flap sealing surfaces 12 at the beginning of the inlet duct sections 4 through the machining openings 10 through and on the other hand the flaps 6 through the machining openings 10 through the inlet channel sections 4 insert and on the inserted flap shaft 7 with the fixing screws 12 to assemble. The closure lid 11 are on the inside 11a just with the inner surface 2a of the housing 2 Running so that the air flow in the plenum 3 is not affected.

Der Einlasssammler 1 kann sehr kompakt ausgeführt werden. Die einstückige Herstellung in einem Gussvorgang ermöglicht eine sehr einfache Fertigung. Der Einlasssammler 1 kann beispielsweise aus Aluminium oder einer Aluminiumlegierung bestehen.The inlet collector 1 can be made very compact. The one-piece production in a casting process allows a very simple production. The inlet collector 1 may for example consist of aluminum or an aluminum alloy.

Claims (5)

Einlasssammler (1) für eine Brennkraftmaschine mit zumindest zwei Zylindern, mit einem Gehäuse (2), welches einen gemeinsamen Sammelraum (3) ausbildet, von welchem zu den Zylindern führende Einlasskanalteilstücke (4, 5) ausgehen, wobei zumindest eine Gruppe von Einlasskanalteilstücken (4) durch Klappen (6) schaltbar ausgeführt ist, und wobei der Einlasssammler (1) als einstückiger Bauteil ausgeführt ist, wobei die Gruppe von Einlasskanalteilstücken (4) von einer ersten Längsseite (13) des Gehäuses (2) des Einlasssammlers (1) ausgeht, und wobei der Einlasssammler (1) Bearbeitungsöffnungen (10) aufweist, dadurch gekennzeichnet, dass das Gehäuse (2) im Bereich einer, der ersten Längsseite (13) gegenüberliegenden zweiten Längsseite (14) die Bearbeitungsöffnungen (10) zur Nachbearbeitung der Einlasskanalteilstücke (4) aufweist.Inlet collector ( 1 ) for an internal combustion engine having at least two cylinders, with a housing ( 2 ), which has a common collection room ( 3 ) from which to the cylinders leading inlet duct sections ( 4 . 5 ), wherein at least one group of inlet channel sections ( 4 ) by flaps ( 6 ) is switchable, and wherein the inlet collector ( 1 ) is designed as an integral component, wherein the group of inlet channel sections ( 4 ) from a first longitudinal side ( 13 ) of the housing ( 2 ) of the inlet collector ( 1 ), and wherein the intake collector ( 1 ) Machining openings ( 10 ), characterized in that the housing ( 2 ) in the region of, the first longitudinal side ( 13 ) opposite second longitudinal side ( 14 ) the machining openings ( 10 ) for post-processing of the inlet channel sections ( 4 ) having. Einlasssammler (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Bearbeitungsöffnungen (10) durch einen Verschlussdeckel (11) verschließbar sind, wobei vorzugsweise die Innenseite (11a) der Verschlussdeckel (11) plan mit der Innenfläche (2a) des Gehäuses (2) ausgeführt sind.Inlet collector ( 1 ) according to claim 1, characterized in that the processing openings ( 10 ) through a closure lid ( 11 ) are closable, preferably the inside ( 11a ) the closure lid ( 11 ) plan with the inner surface ( 2a ) of the housing ( 2 ) are executed. Einlasssammler (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Bearbeitungsöffnungen (10) Kreisquerschnitte aufweisen, wobei der Durchmesser jeder Bearbeitungsöffnung (10) mindestens dem Durchmesser des entsprechenden Einlasskanalteilstückes (4) im Bereich der entsprechenden Klappe (6) entspricht.Inlet collector ( 1 ) according to claim 1 or 2, characterized in that the machining openings ( 10 ) Have circular cross sections, wherein the diameter of each machining opening ( 10 ) at least the diameter of the corresponding inlet channel section ( 4 ) in the area of the corresponding flap ( 6 ) corresponds. Einlasssammler (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Gehäuse (2) des Einlasssammlers (1) zumindest eine die Gruppe von Einlasskanalteilstücken (4) querende Längsbohrung (8) zur Aufnahme einer Klappenwelle (7) aufweist, auf welcher die Klappen (6) befestigt sind.Inlet collector ( 1 ) according to one of claims 1 to 3, characterized in that the housing ( 2 ) of the inlet collector ( 1 ) at least one of the group of inlet channel sections ( 4 ) transverse longitudinal bore ( 8th ) for receiving a flap shaft ( 7 ) on which the flaps ( 6 ) are attached. Einlasssammler (1) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass dieser aus Leichtmetall, besonders vorzugsweise aus Aluminium oder einer Aluminiumlegierung besteht.Inlet collector ( 1 ) according to one of claims 1 to 4, characterized in that it consists of light metal, particularly preferably of aluminum or an aluminum alloy.
DE112004000143.9T 2003-01-16 2004-01-15 Inlet collector for an internal combustion engine Expired - Fee Related DE112004000143B4 (en)

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WO2006116788A2 (en) 2005-05-03 2006-11-09 Avl List Gmbh Exhaust system for an internal combustion engine
AT502090B1 (en) * 2005-05-31 2007-07-15 Avl List Gmbh Exhaust system for internal combustion engine has first and second exhaust pipes, in whose opening area, uniting first and second exhaust pipes span angle at reference points of inner wall of exhaust pipes
JP6302953B2 (en) * 2016-05-09 2018-03-28 本田技研工業株式会社 Intake device for V-type internal combustion engine

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