EP1101929A3 - Method and device for influencing noise in the intake of a combustion engine - Google Patents

Method and device for influencing noise in the intake of a combustion engine Download PDF

Info

Publication number
EP1101929A3
EP1101929A3 EP00124963A EP00124963A EP1101929A3 EP 1101929 A3 EP1101929 A3 EP 1101929A3 EP 00124963 A EP00124963 A EP 00124963A EP 00124963 A EP00124963 A EP 00124963A EP 1101929 A3 EP1101929 A3 EP 1101929A3
Authority
EP
European Patent Office
Prior art keywords
intake
combustion engine
influencing noise
influencing
noise
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
Application number
EP00124963A
Other languages
German (de)
French (fr)
Other versions
EP1101929B1 (en
EP1101929A2 (en
Inventor
Rolf Füsser
Olaf Dr. Weber
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.)
Mann and Hummel GmbH
Original Assignee
Filterwerk Mann and 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 Filterwerk Mann and Hummel GmbH filed Critical Filterwerk Mann and Hummel GmbH
Publication of EP1101929A2 publication Critical patent/EP1101929A2/en
Publication of EP1101929A3 publication Critical patent/EP1101929A3/en
Application granted granted Critical
Publication of EP1101929B1 publication Critical patent/EP1101929B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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.
EP00124963A 1999-11-20 2000-11-16 Method and device for influencing noise in the intake of a combustion engine Expired - Lifetime EP1101929B1 (en)

Applications Claiming Priority (2)

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

Publications (3)

Publication Number Publication Date
EP1101929A2 EP1101929A2 (en) 2001-05-23
EP1101929A3 true EP1101929A3 (en) 2002-07-10
EP1101929B1 EP1101929B1 (en) 2004-05-26

Family

ID=7929753

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00124963A Expired - Lifetime EP1101929B1 (en) 1999-11-20 2000-11-16 Method and device for influencing noise in the intake of a combustion engine

Country Status (3)

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

Families Citing this family (6)

* 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
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0242797A1 (en) * 1986-04-24 1987-10-28 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Intake silencer, in particular for internal-combustion engines
WO1991009214A1 (en) * 1989-12-12 1991-06-27 Group Lotus Plc Attenuation of dynamic pressure fluctuations in ducts
FR2693505A1 (en) * 1992-07-07 1994-01-14 Centre Nat Rech Scient Inlet or exhaust line for alternative machine.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08246969A (en) 1995-03-15 1996-09-24 Unisia Jecs Corp Active noise control device for automobile
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0242797A1 (en) * 1986-04-24 1987-10-28 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Intake silencer, in particular for internal-combustion engines
WO1991009214A1 (en) * 1989-12-12 1991-06-27 Group Lotus Plc Attenuation of dynamic pressure fluctuations in ducts
FR2693505A1 (en) * 1992-07-07 1994-01-14 Centre Nat Rech Scient Inlet or exhaust line for alternative machine.

Also Published As

Publication number Publication date
EP1101929B1 (en) 2004-05-26
DE50006582D1 (en) 2004-07-01
EP1101929A2 (en) 2001-05-23
DE10055399A1 (en) 2001-05-23
ATE267955T1 (en) 2004-06-15

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