IT1162762B - Risonatori a volume variabile in base al metodo della molla a piattello - Google Patents

Risonatori a volume variabile in base al metodo della molla a piattello

Info

Publication number
IT1162762B
IT1162762B IT24674/79A IT2467479A IT1162762B IT 1162762 B IT1162762 B IT 1162762B IT 24674/79 A IT24674/79 A IT 24674/79A IT 2467479 A IT2467479 A IT 2467479A IT 1162762 B IT1162762 B IT 1162762B
Authority
IT
Italy
Prior art keywords
spring
variable volume
resonators according
volume resonators
spring method
Prior art date
Application number
IT24674/79A
Other languages
English (en)
Other versions
IT7924674A0 (it
Original Assignee
Messerschmitt Boelkow Blohm
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 Messerschmitt Boelkow Blohm filed Critical Messerschmitt Boelkow Blohm
Publication of IT7924674A0 publication Critical patent/IT7924674A0/it
Application granted granted Critical
Publication of IT1162762B publication Critical patent/IT1162762B/it

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Vibration Prevention Devices (AREA)
  • Microwave Tubes (AREA)
IT24674/79A 1978-08-09 1979-07-26 Risonatori a volume variabile in base al metodo della molla a piattello IT1162762B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2834823A DE2834823C2 (de) 1978-08-09 1978-08-09 Volumenändernde Resonatoren nach dem Tellerfeder-Prinzip

Publications (2)

Publication Number Publication Date
IT7924674A0 IT7924674A0 (it) 1979-07-26
IT1162762B true IT1162762B (it) 1987-04-01

Family

ID=6046556

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24674/79A IT1162762B (it) 1978-08-09 1979-07-26 Risonatori a volume variabile in base al metodo della molla a piattello

Country Status (4)

Country Link
DE (1) DE2834823C2 (it)
FR (1) FR2433217A2 (it)
GB (1) GB2028049B (it)
IT (1) IT1162762B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2947026C2 (de) * 1979-11-22 1981-10-01 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Silatoren zur Lärmreduzierung
DE2947256C2 (de) * 1979-11-23 1984-09-13 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Einrichtung zur Reduzierung des Auspuff- bzw. Abgaslärmes
DE3020830A1 (de) * 1980-06-02 1981-12-10 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Koinzidenzschalldaempfer
DE3020849A1 (de) * 1980-06-02 1981-12-17 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Schallschirme mittels resonatoren, insbesondere silatoren
DE3241932A1 (de) * 1982-11-12 1984-05-17 Transformatoren Union Ag, 7000 Stuttgart Transformator mit oelgekuehltem aktivteil und schalldaempfenden resonatoren
DE3347827A1 (de) * 1983-05-10 1985-03-07 Metzeler Kautschuk GmbH, 8000 München Mitschwingender, volumenaendernder resonator in form eines silators
DE3317103C2 (de) * 1983-05-10 1986-08-07 Metzeler Kautschuk GmbH, 8000 München Mitschwingender, volumenändernder Resonator in Form eines Silators
DE3330471A1 (de) * 1983-08-24 1985-03-14 Metzeler Kautschuk GmbH, 8000 München Mitschwingender, volumenaendernder resonator in form eines silators
SE441317B (sv) * 1984-02-14 1985-09-23 Asea Ab Ljuddempande anordning
US5241512A (en) * 1991-04-25 1993-08-31 Hutchinson 2 Acoustic protection material and apparatus including such material
PL294336A1 (en) * 1991-04-25 1992-11-30 Hutchinson Sa Noise damping material and apparatus for protecting against noise incorporating such material
FR2750527B1 (fr) † 1996-06-28 1998-08-21 Bertin & Cie Structures d'absorption de bruit et parois constituees de ces structures
DE19802359C2 (de) * 1998-01-22 2001-09-13 Oskar Bschorr Verfahren zur Schwingungsdämmung oder -aktivierung und Negativfeder hierfür
DE19821067C1 (de) * 1998-05-12 1999-11-11 Coldewey Maik Volumenänderndes Resonatorelement und Verfahren zu seiner Herstellung
DE19816092A1 (de) * 1998-05-12 1999-11-18 Coldewey Maik Schalldämpf-Resonatorelement für Überdrucksysteme
GB0304867D0 (en) * 2003-03-04 2003-04-09 Rickards M J A sound barrier vacuum panel
JP7310120B2 (ja) * 2018-11-05 2023-07-19 ヤマハ株式会社 吸音構造体
DE102021000670A1 (de) 2021-02-09 2022-08-11 Thilo Tollkühn Paneele zur Schalldämpfung und zur Schalldämmung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502017A (en) * 1943-12-27 1950-03-28 Rca Corp Suspension means for acoustical absorbers
AU2494471A (en) * 1970-02-04 1972-08-10 Keithroy Morrison Noise suppression means for use on pneumatic tools, machinery and in building construction
DE2235452A1 (de) * 1972-07-20 1974-01-24 Robert Dipl Chem Freund Verfahren zur schallabsorption durch volumenaendernde gase

Also Published As

Publication number Publication date
GB2028049A (en) 1980-02-27
IT7924674A0 (it) 1979-07-26
DE2834823C2 (de) 1980-07-17
FR2433217A2 (fr) 1980-03-07
FR2433217B2 (it) 1984-08-17
DE2834823B1 (de) 1979-10-25
GB2028049B (en) 1982-11-24

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