EP0978646A2 - Luftansauganlage für einen Dieselmotor in einem Lastkraftwagen - Google Patents
Luftansauganlage für einen Dieselmotor in einem Lastkraftwagen Download PDFInfo
- Publication number
- EP0978646A2 EP0978646A2 EP99113763A EP99113763A EP0978646A2 EP 0978646 A2 EP0978646 A2 EP 0978646A2 EP 99113763 A EP99113763 A EP 99113763A EP 99113763 A EP99113763 A EP 99113763A EP 0978646 A2 EP0978646 A2 EP 0978646A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- air intake
- diesel engine
- intake box
- perforated
- 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
Links
Images
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
- F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
- F02M35/164—Heavy duty vehicles, e.g. trucks, trains, agricultural or construction machines
-
- 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
- F02M35/10013—Means upstream of the air filter; Connection to the ambient air
-
- 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
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1205—Flow throttling or guiding
- F02M35/1216—Flow throttling or guiding by using a plurality of holes, slits, protrusions, perforations, ribs or the like; Surface structures; Turbulence generators
-
- 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
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1255—Intake silencers ; Sound modulation, transmission or amplification using resonance
-
- 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
- F02M35/02—Air cleaners
Definitions
- the invention relates to an air intake system for the diesel engine in a truck.
- a raw air intake box is from the DE 39 42 595 A1 known, in which the raw air intake in the lateral region of the Intake box takes place and the intake box inside air guiding devices and contains a resonator damper.
- DE 40 31 886 A1 describes the arrangement and the execution of a schematic Venturi nozzle in the air intake area of an internal combustion engine is known.
- DE 29 30 668 A1 describes the principle of operation of an annular gap resonator (Fig. 1) and an embodiment of an annular gap resonator (Fig. 2) known.
- the object of the invention is to present a space-saving air intake system which as a partial noise source of a vehicle noise must be adjusted so that the vehicle complies with today's strict noise regulations. Moreover the air intake system should be suitable for a wide range of applications.
- Venturi nozzle as part of the intake line between air filter and diesel engine and annular gap resonator in the air filter, the pulsating intake air already so significantly damped that in the interior of the raw air intake box no further measures to reduce the muzzle noise, which exits at the raw air inlet opening and the external sound level of the Can influence the vehicle, is necessary.
- the raw air intake box In combination with a Venturi nozzle and an annular gap resonator, the raw air intake box according to the invention, a partial surface facing the rear wall of the cab, which is studded and partially perforated, or only perforated and over which a part of the Raw air is sucked in.
- This sub-area ensures the vibration reduction of both the still pulsating Intake air in that part of the raw air is sucked in through the perforated surface is, as well as by the reduction of wall surface vibrations of the raw air intake box due to the nubbed, perforated structure.
- the perforated surface smoothes the still existing pulsation of the intake air, the structure, whether nubbed or perforated or both, dampens wall vibrations.
- the perforation in the nubbed area is made in a known manner by removing (e.g. milling) a part of the knob cone reached. It can either be part of the knobbed area or the whole nubbed surface can be perforated, depending on the size and air requirement of the installed Diesel engine.
- a cyclone separator can be installed in the raw air intake box.
- the water separation from the intake air takes place in the intermediate piece between Raw air intake box and air filter.
- Venturi nozzles directly as part of an intake line is an inexpensive one and effective noise control. So far, venturi nozzles have been used to measure air volume for petrol engines and as a damping measure in or in front of air filter housings, in the latter case used as an intake snorkel.
- Annular gap resonators are generally known, but are rarely used. In certain frequency ranges, depending on the geometric design they have a good effect.
- the annular gap resonator according to the invention is mounted on the air filter housing and it this built-on room is used as a resonance room.
- the annular gap resonator is arranged on the clean air side and has a radial air outlet connection that is 360 ° (Angle) is adjustable. So that is with the subsequent venturi pipe Compensation of assembly tolerances, in general even versatile use possible.
- the raw air inlet of the air filter is with an adapter piece and a rubber bellows connected to the outlet opening of the raw air intake box.
- the air filter with adapter piece is fixed to the frame, the raw air intake box with rubber bellows is fixed to the cab.
- the raw air intake box 11 has a side 16 facing the rear wall 14 of the cab, which consists of a smooth surface and a partial surface 15, which can have a knobbed surface 15 'and a perforated surface 15''(see also FIG. 2). Part of the raw air, up to about 10% of the total raw air, is sucked in via the perforated surface 15 ′′.
- the size of the perforated surface 15 ′′ depends on the size of the diesel engine 20 installed in the vehicle and can also be the entire partial surface 15. The perforation is z. B. mechanical removal (milling) of the upper part of the knob cone is achieved.
- the suction opening 13 is on the side of the suction box and has a protective grille 13 '.
- the raw air intake box 11 is fastened to the rear wall 14 of the cab.
- a cyclone separator can be introduced through the opening 13.
- the partial area 15 is in the case with a cyclone separator "completely closed, ie a nubbed surface 15 '.
- Fig. 2 shows the view II of Fig. 1.
- a portion of the raw air passes through the perforated Surface 15 '' in the raw air intake box.
- the existing pulsation of the Intake air smoothed.
- the knobbed surface 15 'and the perforated surface 15' ' act also vibration-dampening due to its structure.
- the filter housing 12 and the adapter piece 22 are each mounted on the vehicle frame and via a rubber bellows 23 connected to the raw air intake box 11.
- the filter cartridge is in the filter housing 12 21.
- the annular gap resonator 17, 18 with its housing 12 'and the radial arranged pipe socket 33 is attached to the air filter housing.
- the gap width d of the annular gap resonator is adjustable and depends on the size of the Diesel engine 20 and the frequency band (small area) that are damped should.
- the venturi nozzle designed as line 19 is connected to the air outlet connection 33 19 connected, which forms part of the wiring to the diesel engine 20 out.
- Fig. 3 shows a partial section of the filter housing 12 and the attached to it Housing 12 'in which the annular gap resonator 17, 18 is arranged.
- the connection 33 for the additional wiring to the diesel engine 20 is with the attached Housing 12 'rotatable.
- the use of the annular gap resonator 17, 18 is therefore versatile and assembly tolerances can be compensated.
- the annular gap d is over the pipe 17 to the size of the diesel engine 20 and to the frequency band to be damped adjustable.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Description
- Fig. 1
- Seitenansicht und Lage der Luftansauganlage,
- Fig. 2
- die Ansicht II aus Fig. 1 und
- Fig. 3
- Ringspaltresonator, Teilschnitt.
Claims (3)
- Luftansauganlage für einen Dieselmotor in einem Lastkraftwagen, mit einem Rohluftansaugkasten, der eine seitliche Ansaugöffnung hat und hinter dem Fahrerhaus angeordnet ist, mit einem Luftfilter und Verbindungsleitungen bis hin zum Dieselmotor, wobei der Rohluftansaugkasten (11) auf der der Fahrerhausrückwand (14) zugewandten Seite (16) eine Teilfläche (15) aufweist, die aus einer genoppten Fläche (15') und einer perforierten Fläche (15'') oder nur aus einer perforierten Fläche (15'') besteht, über die ein Teil der Rohluft angesaugt wird, mit einem Luftfiltergehäuse (12), das einen Ringspaltresonator (17, 18) auf der Reinluftseite beinhaltet und der einen äußeren Leitungsanschluß (33) hat, der um 360° (Winkel) drehbar ist und mit einem anschließenden Teil der Reinluftleitung (19), das in Richtung Dieselmotor (20) als Venturidüse (19) ausgebildet ist, verbunden ist.
- Luftansauganlage nach Anspruch 1, dadurch gekennzeichnet, daß durch die Öffnung (13) in der Seitenwand des Rohluftansaugkastens (11) ein Zyklonabscheider einbringbar ist, wobei dann die Teilfläche (15) nur genoppt (15') ist.
- Luftansauganlage nach Anspruch 1, dadurch gekennzeichnet, daß die genoppte Fläche (15') der Teilfläche (15) soweit perforiert (15'') ist, daß ein Anteil der Rohluft von etwa bis 10% über diese perforierte Fläche (15'') angesaugt werden kann.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19835104A DE19835104A1 (de) | 1998-08-04 | 1998-08-04 | Luftansauganlage für einen Dieselmotor in einem Lastkraftwagen |
| DE19835104 | 1998-08-04 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0978646A2 true EP0978646A2 (de) | 2000-02-09 |
| EP0978646A3 EP0978646A3 (de) | 2000-08-30 |
| EP0978646B1 EP0978646B1 (de) | 2003-11-19 |
Family
ID=7876360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99113763A Expired - Lifetime EP0978646B1 (de) | 1998-08-04 | 1999-07-14 | Luftansauganlage für einen Dieselmotor in einem Lastkraftwagen |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0978646B1 (de) |
| DE (2) | DE19835104A1 (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1481834A3 (de) * | 2003-05-30 | 2006-04-12 | Mitsubishi Heavy Industries, Ltd. | Luftzuführsystem und damit ausgerüsteter Gabelstapler |
| CN101598056B (zh) * | 2009-07-04 | 2010-12-01 | 汪荣林 | 内燃机机动车废气净化消声器 |
| WO2014086895A1 (de) * | 2012-12-06 | 2014-06-12 | Mann+Hummel Gmbh | Ansaugmodul eines luftansaugtrakts einer brennkraftmaschine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10036588B4 (de) * | 2000-07-27 | 2010-01-21 | Man Nutzfahrzeuge Ag | Schalldämpfeinrichtung für den Motorbremsbetrieb eines Dieselmotors |
| DE102015214313B4 (de) | 2015-07-29 | 2017-12-28 | Bayerische Motoren Werke Aktiengesellschaft | Kraftfahrzeug mit einer Luftansauganlage zur verbesserten Wasserdurchfahrt |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1800036A1 (de) * | 1968-10-01 | 1970-04-09 | Staeb Walter | Drehbar gelagerter Spanntisch |
| JPS4935855A (de) * | 1972-06-19 | 1974-04-03 | ||
| DE7829489U1 (de) * | 1978-10-03 | 1980-03-13 | Dolmar Maschinen-Fabrik Gmbh & Co, 2000 Hamburg | Ansaugvorrichtung fuer brennkraftmaschinen, insbesondere fuer brennkraftmaschinenangetriebene motorkettensaegen |
| US4543724A (en) * | 1982-11-24 | 1985-10-01 | Citizen Watch Co., Ltd. | Measuring device for oblique angle |
| IT208247Z2 (it) * | 1986-10-17 | 1988-04-22 | Gilardini Spa | Gruppo di aspirazione dell aria per veicoli industriali |
| US4790864A (en) * | 1987-12-16 | 1988-12-13 | Ford Motor Company | Compact engine air/cleaner with integrated components |
| AT404287B (de) * | 1989-10-31 | 1998-10-27 | Avl Verbrennungskraft Messtech | Saugrohr einer brennkraftmaschine |
| DE3942595A1 (de) * | 1989-12-22 | 1991-06-27 | Iveco Magirus | Luftansaugvorrichtung fuer eine brennkraftmaschine |
| DE4205425A1 (de) * | 1991-11-02 | 1993-05-06 | Iveco Magirus Ag, 7900 Ulm, De | Luftansaugvorrichtung fuer eine brennkraftmaschine |
-
1998
- 1998-08-04 DE DE19835104A patent/DE19835104A1/de not_active Withdrawn
-
1999
- 1999-07-14 DE DE59907779T patent/DE59907779D1/de not_active Expired - Lifetime
- 1999-07-14 EP EP99113763A patent/EP0978646B1/de not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1481834A3 (de) * | 2003-05-30 | 2006-04-12 | Mitsubishi Heavy Industries, Ltd. | Luftzuführsystem und damit ausgerüsteter Gabelstapler |
| US7152564B2 (en) | 2003-05-30 | 2006-12-26 | Mitsubishi Heavy Industries, Ltd. | Air intake system and forklift equipped with it |
| CN101598056B (zh) * | 2009-07-04 | 2010-12-01 | 汪荣林 | 内燃机机动车废气净化消声器 |
| WO2014086895A1 (de) * | 2012-12-06 | 2014-06-12 | Mann+Hummel Gmbh | Ansaugmodul eines luftansaugtrakts einer brennkraftmaschine |
| CN104822932A (zh) * | 2012-12-06 | 2015-08-05 | 曼·胡默尔有限公司 | 内燃机的空气进气道的进气模块 |
| CN104822932B (zh) * | 2012-12-06 | 2019-01-04 | 曼·胡默尔有限公司 | 内燃机的空气进气道的进气模块 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0978646B1 (de) | 2003-11-19 |
| EP0978646A3 (de) | 2000-08-30 |
| DE19835104A1 (de) | 2000-02-10 |
| DE59907779D1 (de) | 2003-12-24 |
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