WO1997042408A1 - Ansaugvorrichtung für einen verbrennungsmotor - Google Patents
Ansaugvorrichtung für einen verbrennungsmotor Download PDFInfo
- Publication number
- WO1997042408A1 WO1997042408A1 PCT/EP1997/002361 EP9702361W WO9742408A1 WO 1997042408 A1 WO1997042408 A1 WO 1997042408A1 EP 9702361 W EP9702361 W EP 9702361W WO 9742408 A1 WO9742408 A1 WO 9742408A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- volume
- damping volume
- combustion engine
- internal combustion
- damping
- Prior art date
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 21
- 238000013016 damping Methods 0.000 claims description 30
- 238000010521 absorption reaction Methods 0.000 claims 3
- 238000000034 method Methods 0.000 claims 1
- 230000002238 attenuated effect Effects 0.000 abstract 1
- 230000002441 reversible effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
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
- F02M35/14—Combined air cleaners and silencers
-
- 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
- F02M35/1222—Flow throttling or guiding by using adjustable or movable elements, e.g. valves, membranes, bellows, expanding or shrinking elements
-
- 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
- F02M35/1227—Flow throttling or guiding by using multiple air intake flow paths, e.g. bypass, honeycomb or pipes opening into an expansion 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
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1255—Intake silencers ; Sound modulation, transmission or amplification using resonance
- F02M35/1261—Helmholtz resonators
Definitions
- the invention relates to an intake device for an internal combustion engine according to the preamble of the main claim.
- an intake device which provides an additional volume on the intake device for noise damping which is not flowed through by the intake air.
- a suction device for a combustion engine is also known from DE-OS 40 41 786, in which a controllable shut-off device is provided to vary the passage opening through which the sucked-in air flows.
- the shut-off device is located in a transverse channel located between two suction channels and is opened or closed by control commands from control electronics. The control commands are dependent on the speed of the internal combustion engine and on the temperature of the outside air, which is determined with a temperature sensor.
- a disadvantage of the prior art is that a not inconsiderable part of the intake or damper volume is switched off or is not effective for the intake. This is disadvantageous given the scarcity of available space in the engine compartment of modern motor vehicles.
- the invention is based on the object of developing an intake device for an internal combustion engine according to the preamble of the main claim so that optimum operating conditions, in particular noise conditions, are present for all operating states of the internal combustion engine and in the available space in the engine compartment.
- the suction device according to the invention achieves the stated object with the features specified in the characterizing part of the main claim.
- the suction device according to the invention is advantageous in that the volume of the suction device as a whole is always effective, but the noise-reducing effect can be varied in such a way that the optimal damping several speed ranges with different effects can be distributed.
- the intake pipe in the damper volume can be opened in a simple manner. Due to the sound propagation in the volume, a Helmholtz resonator defined by the volume size is effective, which promotes the propagation of a certain sound frequency range and dampens another range.
- a branch pipe interference pipe
- the damping volume can be connected to the air filter volume over a large area, so that this direct coupling results in an addition of the damping volume to the air filter volume, which also has a damping effect.
- the so-called Helmholtz resonance is determined by this volume sum and is correspondingly low-frequency, which leads to noise damping in the lower speed range of the internal combustion engine.
- the embodiment according to claim 4 describes the flexible switching possibility of the desired sizes and the physical properties of the damping volume. Due to its adaptability, this switching technology brings about good acoustic properties of the internal combustion engine or the motor vehicle. The required switching effort can be achieved in a simple manner using the other units of a motor vehicle according to claim 5. Expensive and expensive additional devices outside the suction device are not required according to the invention. drawing
- Figure 1 is a schematic representation of a suction device with a switchable damper volume in a first
- Figure 2 is a schematic diagram of a suction device with a switchable damper volume in a second
- Figure 3 is a schematic representation of a suction device with a switchable damper volume in a third
- FIG. 1 shows a suction device 1 for an internal combustion engine, not shown here, through which an air flow according to arrow 2 is sucked through an air filter 3.
- an intake pipe 4 leads through a damping volume 5 to a throttle valve actuator 6 and ultimately to the intake pipe 7 of the internal combustion engine.
- An additional channel 8 is arranged between the air filter 3 and the damping volume 5.
- a flap 10 for closing the additional duct 8
- a pipe switch 11 for opening the suction pipe 4 inside the damping volume 5
- a branch pipe 12 which extends from the suction pipe 4 a predetermined length parallel to the suction pipe 4 , however opposite to the air flow 2, runs and is open at the end.
- the damping volume is connected to the air filter 3 over a large area, since the flap 10 is open to the additional duct 8.
- the Helmholtz resonance mentioned above is therefore determined by the sum of all open volumes and is accordingly low-frequency.
- FIG. 4 in which the size of the sound emission (dB (A)) as a function of the speed (rpm) is shown in all operating modes.
- a curve 21 according to FIG. 4 shows an example of the relatively large damping in the lower speed range.
- FIG. 2 shows a switch position in which both the flap 10 for the additional duct and the pipe switch 11 are closed.
- the damping volume 5 acts as a Helmholtz resonator in the bypass, since only the branch pipe 12 can be considered as the coupling element of the intake pipe 4 to the damping volume 5.
- Such shunt resonators are suitable for selectively steaming specific noise components or sound frequencies by means of a suitable length of the branch pipe 12. This sound position according to FIG. 2 is therefore suitable for use in the entire speed range.
- FIG. 4 shows a curve 20 of the sound emission over the rotational speed when the branch pipe 12 is dimensioned with a shunt resonance of 40 Hz, for damping very low sound frequencies.
- FIG. 3 is a switch position for a two-chamber volume in which the damping volume 5 and the volume of the air filter 3 are connected in series.
- the two are Chambers each coupled via a damper neck.
- This is a series connection of two separate Helmholtz resonators, which leads to attenuation, in particular of the high sound frequencies.
- the course of the sound emission in this switching position is shown in FIG. 4 as curve 22.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Characterised By The Charging Evacuation (AREA)
- Exhaust Silencers (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97923023A EP0897468B1 (de) | 1996-05-08 | 1997-05-07 | Ansaugvorrichtung für einen verbrennungsmotor |
JP9539552A JP2000509461A (ja) | 1996-05-08 | 1997-05-07 | 内燃機関のための吸気装置 |
BR9708924A BR9708924A (pt) | 1996-05-08 | 1997-05-07 | Dispositivo de aspiração para motor de combustão interna |
US09/180,433 US6135079A (en) | 1996-05-08 | 1997-05-07 | Air intake system for an internal combustion engine |
DE59706189T DE59706189D1 (de) | 1996-05-08 | 1997-05-07 | Ansaugvorrichtung für einen verbrennungsmotor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19618432.0 | 1996-05-08 | ||
DE19618432A DE19618432A1 (de) | 1996-05-08 | 1996-05-08 | Ansaugvorrichtung für einen Verbrennungsmotor |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997042408A1 true WO1997042408A1 (de) | 1997-11-13 |
Family
ID=7793665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1997/002361 WO1997042408A1 (de) | 1996-05-08 | 1997-05-07 | Ansaugvorrichtung für einen verbrennungsmotor |
Country Status (11)
Country | Link |
---|---|
US (1) | US6135079A (de) |
EP (1) | EP0897468B1 (de) |
JP (1) | JP2000509461A (de) |
BR (1) | BR9708924A (de) |
CA (1) | CA2254138A1 (de) |
CZ (1) | CZ360898A3 (de) |
DE (2) | DE19618432A1 (de) |
ES (1) | ES2171936T3 (de) |
IN (1) | IN188548B (de) |
WO (1) | WO1997042408A1 (de) |
ZA (1) | ZA973820B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102235275A (zh) * | 2010-04-20 | 2011-11-09 | 通用汽车环球科技运作有限责任公司 | 带有装入排气口的谐振器的空气净化器 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10004991A1 (de) * | 2000-02-04 | 2001-08-09 | Volkswagen Ag | Helmholtz-Resonator mit variabler Resonanzfrequenz |
US20030091198A1 (en) * | 2001-11-15 | 2003-05-15 | Siemens Vdo Automotive, Inc. | Active noise control system with a helmholtz resonator |
DE10231238B4 (de) * | 2002-07-11 | 2004-06-03 | J. Eberspächer GmbH & Co. KG | Geräuschdämpfungsvorrichtung |
US6959679B2 (en) * | 2002-11-15 | 2005-11-01 | Advanced Engine Management Inc. | Air intake device for internal combustion engine |
US6938601B2 (en) * | 2003-05-21 | 2005-09-06 | Mahle Tennex Industries, Inc. | Combustion resonator |
US7117974B2 (en) * | 2004-05-14 | 2006-10-10 | Visteon Global Technologies, Inc. | Electronically controlled dual chamber variable resonator |
US7793757B2 (en) * | 2006-03-30 | 2010-09-14 | Mahle International Gmbh | Resonator with internal supplemental noise attenuation device |
US7401590B2 (en) * | 2006-10-09 | 2008-07-22 | Harley-Davidson Motor Company Group, Inc. | Active air intake for an engine |
US7497196B2 (en) * | 2006-12-12 | 2009-03-03 | Gm Global Technology Operations, Inc. | Intake assembly having Helmholtz resonators |
US7578168B2 (en) * | 2007-06-27 | 2009-08-25 | Asml Holding N.V. | Increasing gas gauge pressure sensitivity using nozzle-face surface roughness |
JP5685422B2 (ja) * | 2010-11-19 | 2015-03-18 | 本田技研工業株式会社 | コージェネレーション装置 |
DE102011051689A1 (de) | 2011-07-08 | 2013-01-10 | Dr. Ing. H.C. F. Porsche Ag | Geräuschübertragungssystem |
DE102011051691A1 (de) * | 2011-07-08 | 2013-01-10 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Geräuschübertragungssystem |
FR2992025B1 (fr) * | 2012-06-19 | 2014-08-08 | Peugeot Citroen Automobiles Sa | Procede de commande d'une alimentation en air d'un moteur a combustion interne |
DE102017012012A1 (de) | 2017-12-22 | 2019-06-27 | Mann+Hummel Gmbh | Akustischer Resonator eines Luftführungssystems und Luftführungssystem |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0379926A1 (de) * | 1989-01-24 | 1990-08-01 | Mazda Motor Corporation | Einlassleitungssystem für Kraftmaschine mit mehreren Zylindern |
US5107800A (en) * | 1990-05-01 | 1992-04-28 | Mazda Motor Corporation | Suction apparatus for engine |
US5417195A (en) * | 1992-03-24 | 1995-05-23 | Mazda Motor Corporation | Engine induction system |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4539947A (en) * | 1982-12-09 | 1985-09-10 | Nippondenso Co., Ltd. | Resonator for internal combustion engines |
US4546733A (en) * | 1983-03-22 | 1985-10-15 | Nippondenso Co., Ltd. | Resonator for internal combustion engines |
JPH0819885B2 (ja) * | 1988-12-28 | 1996-03-04 | マツダ株式会社 | エンジンの吸気装置 |
US5163387A (en) * | 1991-10-07 | 1992-11-17 | Siemens Automotive Limited | Device for attenuating standing waves in an induction intake system |
US5377629A (en) * | 1993-10-20 | 1995-01-03 | Siemens Electric Limited | Adaptive manifold tuning |
US5572966A (en) * | 1994-09-30 | 1996-11-12 | Siemens Electric Limited | Method and composite resonator for tuning an engine air induction system |
JPH08158966A (ja) * | 1994-11-30 | 1996-06-18 | Nippondenso Co Ltd | 内燃機関の騒音制御装置 |
JPH09144986A (ja) * | 1995-11-27 | 1997-06-03 | Nissan Motor Co Ltd | 吸音ダクト構造体 |
US5571242A (en) * | 1995-12-26 | 1996-11-05 | General Motors Corporation | Engine airflow system and method |
JP3304751B2 (ja) * | 1996-03-29 | 2002-07-22 | トヨタ自動車株式会社 | 内燃機関の吸気通路構造 |
JP3787915B2 (ja) * | 1996-09-04 | 2006-06-21 | 豊田合成株式会社 | 内燃機関の吸気管 |
DE19705273C1 (de) * | 1997-02-12 | 1998-03-05 | Porsche Ag | Sauganlage für eine Brennkraftmaschine |
JP3420471B2 (ja) * | 1997-07-22 | 2003-06-23 | 本田技研工業株式会社 | 吸気消音装置 |
US5771851A (en) * | 1997-07-29 | 1998-06-30 | Siemens Electric Limited | Variably tuned Helmholtz resonator with linear response controller |
-
1996
- 1996-05-08 DE DE19618432A patent/DE19618432A1/de not_active Withdrawn
-
1997
- 1997-05-02 ZA ZA9703820A patent/ZA973820B/xx unknown
- 1997-05-07 DE DE59706189T patent/DE59706189D1/de not_active Expired - Fee Related
- 1997-05-07 JP JP9539552A patent/JP2000509461A/ja not_active Ceased
- 1997-05-07 CA CA002254138A patent/CA2254138A1/en not_active Abandoned
- 1997-05-07 WO PCT/EP1997/002361 patent/WO1997042408A1/de active IP Right Grant
- 1997-05-07 ES ES97923023T patent/ES2171936T3/es not_active Expired - Lifetime
- 1997-05-07 BR BR9708924A patent/BR9708924A/pt not_active Application Discontinuation
- 1997-05-07 US US09/180,433 patent/US6135079A/en not_active Expired - Fee Related
- 1997-05-07 CZ CZ983608A patent/CZ360898A3/cs unknown
- 1997-05-07 EP EP97923023A patent/EP0897468B1/de not_active Expired - Lifetime
- 1997-05-08 IN IN291BO1997 patent/IN188548B/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0379926A1 (de) * | 1989-01-24 | 1990-08-01 | Mazda Motor Corporation | Einlassleitungssystem für Kraftmaschine mit mehreren Zylindern |
US5107800A (en) * | 1990-05-01 | 1992-04-28 | Mazda Motor Corporation | Suction apparatus for engine |
US5417195A (en) * | 1992-03-24 | 1995-05-23 | Mazda Motor Corporation | Engine induction system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102235275A (zh) * | 2010-04-20 | 2011-11-09 | 通用汽车环球科技运作有限责任公司 | 带有装入排气口的谐振器的空气净化器 |
CN102235275B (zh) * | 2010-04-20 | 2016-01-20 | 通用汽车环球科技运作有限责任公司 | 带有装入排气口的谐振器的空气净化器 |
Also Published As
Publication number | Publication date |
---|---|
EP0897468B1 (de) | 2002-01-23 |
ZA973820B (en) | 1997-11-14 |
ES2171936T3 (es) | 2002-09-16 |
IN188548B (de) | 2002-10-12 |
DE19618432A1 (de) | 1997-11-13 |
BR9708924A (pt) | 1999-08-03 |
CZ360898A3 (cs) | 1999-06-16 |
CA2254138A1 (en) | 1997-11-13 |
EP0897468A1 (de) | 1999-02-24 |
US6135079A (en) | 2000-10-24 |
DE59706189D1 (de) | 2002-03-14 |
JP2000509461A (ja) | 2000-07-25 |
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