ATE267955T1 - METHOD AND DEVICE FOR INFLUENCING SOUND IN THE INTAKE TRACT OF AN COMBUSTION ENGINE - Google Patents

METHOD AND DEVICE FOR INFLUENCING SOUND IN THE INTAKE TRACT OF AN COMBUSTION ENGINE

Info

Publication number
ATE267955T1
ATE267955T1 AT00124963T AT00124963T ATE267955T1 AT E267955 T1 ATE267955 T1 AT E267955T1 AT 00124963 T AT00124963 T AT 00124963T AT 00124963 T AT00124963 T AT 00124963T AT E267955 T1 ATE267955 T1 AT E267955T1
Authority
AT
Austria
Prior art keywords
combustion engine
intake tract
influencing sound
influencing
sound
Prior art date
Application number
AT00124963T
Other languages
German (de)
Inventor
Rolf Fuesser
Olaf Dr Weber
Original Assignee
Mann & Hummel Gmbh
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 Mann & Hummel Gmbh filed Critical Mann & Hummel Gmbh
Application granted granted Critical
Publication of ATE267955T1 publication Critical patent/ATE267955T1/en

Links

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
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1244—Intake silencers ; Sound modulation, transmission or amplification using interference; Masking or reflecting sound
    • F02M35/125—Intake silencers ; Sound modulation, transmission or amplification using interference; Masking or reflecting sound by using active elements, e.g. speakers

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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Silencers (AREA)

Abstract

Measured sound behavior is influenced by at least partial closure (5) of the airflow duct (3) at given, periodic intervals, during which little or no air mass transfer takes place. An Independent claim is included for equipment carrying out the method.
AT00124963T 1999-11-20 2000-11-16 METHOD AND DEVICE FOR INFLUENCING SOUND IN THE INTAKE TRACT OF AN COMBUSTION ENGINE ATE267955T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19955900 1999-11-20

Publications (1)

Publication Number Publication Date
ATE267955T1 true ATE267955T1 (en) 2004-06-15

Family

ID=7929753

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00124963T ATE267955T1 (en) 1999-11-20 2000-11-16 METHOD AND DEVICE FOR INFLUENCING SOUND IN THE INTAKE TRACT OF AN COMBUSTION ENGINE

Country Status (3)

Country Link
EP (1) EP1101929B1 (en)
AT (1) ATE267955T1 (en)
DE (2) DE10055399A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10044604B4 (en) * 2000-09-09 2004-07-15 Heinrich Gillet Gmbh Process for generating a sporty-sounding intake and / or exhaust noise in four-stroke engines rich in harmonic frequencies
DE20207299U1 (en) 2002-05-10 2002-09-12 Filterwerk Mann + Hummel GmbH, 71638 Ludwigsburg Device for influencing the sound in the intake tract of an internal combustion engine
DE20207300U1 (en) 2002-05-10 2002-09-05 Filterwerk Mann + Hummel GmbH, 71638 Ludwigsburg Device for influencing the sound in the intake tract of an internal combustion engine
DE10248609A1 (en) * 2002-10-17 2004-05-06 Deutsche Montan Technologie Gmbh Method for influencing the combustion process of an internal combustion engine
DE10248607A1 (en) * 2002-10-17 2004-05-06 Deutsche Montan Technologie Gmbh Method for generating a frequency spectrum in an exhaust pipe of a reciprocating engine
DE10251117A1 (en) * 2002-11-02 2004-05-19 Deutsche Montan Technologie Gmbh Device to generate frequency spectrum in pipe in reciprocating piston engine has modified throttle plate with profiling and perforations to improve acoustic characteristics
DE102015013696B4 (en) 2015-10-22 2018-04-19 KÖTTER Consulting Engineers GmbH & Co. KG Pulsation damper unit with dynamically variable loss coefficient
DE102020200118A1 (en) * 2020-01-08 2021-07-08 Volkswagen Aktiengesellschaft Method for the detection of a critical condition in a refrigerant circuit of a vehicle

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3613828A1 (en) * 1986-04-24 1987-10-29 Bayerische Motoren Werke Ag INTAKE MUFFLER, IN PARTICULAR FOR INTERNAL COMBUSTION ENGINES
GB8928052D0 (en) * 1989-12-12 1990-02-14 Lotus Group Plc Control of pressure vibrations in ducts
FR2693505B1 (en) * 1992-07-07 1994-09-09 Centre Ntl Recherche Scient Inlet or exhaust line for alternative machine.
JPH08246969A (en) 1995-03-15 1996-09-24 Unisia Jecs Corp Active noise control system for automobiles
DE19752142A1 (en) 1997-11-25 1999-05-27 Mann & Hummel Filter Acoustic characteristics determination method for sound-conducting channel for exhaust fume tract of combustion engine

Also Published As

Publication number Publication date
EP1101929A2 (en) 2001-05-23
DE10055399A1 (en) 2001-05-23
EP1101929A3 (en) 2002-07-10
EP1101929B1 (en) 2004-05-26
DE50006582D1 (en) 2004-07-01

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Legal Events

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