IT7924674A0 - VARIABLE VOLUME RESONATORS BASED ON THE PLATE SPRING METHOD. - Google Patents

VARIABLE VOLUME RESONATORS BASED ON THE PLATE SPRING METHOD.

Info

Publication number
IT7924674A0
IT7924674A0 IT7924674A IT2467479A IT7924674A0 IT 7924674 A0 IT7924674 A0 IT 7924674A0 IT 7924674 A IT7924674 A IT 7924674A IT 2467479 A IT2467479 A IT 2467479A IT 7924674 A0 IT7924674 A0 IT 7924674A0
Authority
IT
Italy
Prior art keywords
plate spring
variable volume
spring method
resonators based
volume resonators
Prior art date
Application number
IT7924674A
Other languages
Italian (it)
Other versions
IT1162762B (en
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/en
Application granted granted Critical
Publication of IT1162762B publication Critical patent/IT1162762B/en

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
IT24674/79A 1978-08-09 1979-07-26 VARIABLE VOLUME RESONATORS ACCORDING TO THE SPRING SPRING METHOD IT1162762B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2834823A DE2834823C2 (en) 1978-08-09 1978-08-09 Volume-changing resonators based on the disc spring principle

Publications (2)

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

Family

ID=6046556

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24674/79A IT1162762B (en) 1978-08-09 1979-07-26 VARIABLE VOLUME RESONATORS ACCORDING TO THE SPRING SPRING METHOD

Country Status (4)

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

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2947026C2 (en) * 1979-11-22 1981-10-01 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Silators to reduce noise
DE2947256C2 (en) * 1979-11-23 1984-09-13 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Device for reducing exhaust or exhaust noise
DE3020849A1 (en) * 1980-06-02 1981-12-17 Messerschmitt-Bölkow-Blohm GmbH, 8000 München SCREENS WITH RESONATORS, IN PARTICULAR SILATORS
DE3020830A1 (en) * 1980-06-02 1981-12-10 Messerschmitt-Bölkow-Blohm GmbH, 8000 München COINCIDENCE SILENCER
DE3241932A1 (en) * 1982-11-12 1984-05-17 Transformatoren Union Ag, 7000 Stuttgart TRANSFORMER WITH OIL-COOLED ACTIVE COMPONENT AND SOUND ABSORBING RESONATORS
DE3347827A1 (en) * 1983-05-10 1985-03-07 Metzeler Kautschuk GmbH, 8000 München Resonating, variable-volume resonator in the form of a silator
DE3317103C2 (en) * 1983-05-10 1986-08-07 Metzeler Kautschuk GmbH, 8000 München Resonant, volume-changing resonator in the form of a silator
DE3330471A1 (en) * 1983-08-24 1985-03-14 Metzeler Kautschuk GmbH, 8000 München Covibrating, variable-volume resonator in the form of a silator
SE441317B (en) * 1984-02-14 1985-09-23 Asea Ab SOUND MUTING DEVICE
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 (en) † 1996-06-28 1998-08-21 Bertin & Cie NOISE ABSORPTION STRUCTURES AND WALLS MADE OF SUCH STRUCTURES
DE19802359C2 (en) * 1998-01-22 2001-09-13 Oskar Bschorr Vibration damping or activation method and negative spring therefor
DE19821067C1 (en) * 1998-05-12 1999-11-11 Coldewey Maik Spring plate type resonator used in e.g. ventilation ducts for damping low frequency noise
DE19816092A1 (en) * 1998-05-12 1999-11-18 Coldewey Maik Volume-altering resonator component for sound damping
GB0304867D0 (en) * 2003-03-04 2003-04-09 Rickards M J A sound barrier vacuum panel
JP7310120B2 (en) * 2018-11-05 2023-07-19 ヤマハ株式会社 sound absorbing structure
DE102021000670A1 (en) 2021-02-09 2022-08-11 Thilo Tollkühn Panels for soundproofing and soundproofing

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 (en) * 1972-07-20 1974-01-24 Robert Dipl Chem Freund PROCESS FOR SOUND ABSORPTION BY VOLUME CHANGING GASES

Also Published As

Publication number Publication date
DE2834823B1 (en) 1979-10-25
IT1162762B (en) 1987-04-01
GB2028049A (en) 1980-02-27
FR2433217B2 (en) 1984-08-17
GB2028049B (en) 1982-11-24
DE2834823C2 (en) 1980-07-17
FR2433217A2 (en) 1980-03-07

Similar Documents

Publication Publication Date Title
IT7924674A0 (en) VARIABLE VOLUME RESONATORS BASED ON THE PLATE SPRING METHOD.
ZA776493B (en) Variable performance pump
IT7826025A0 (en) VARIABLE CYCLE GAS TURBOENGINE.
NL7809297A (en) ELECTROMECHANICAL RESONATOR.
IT7926262A0 (en) CLUTCH BLOCK WITH PLATE SPRING.
NL7808248A (en) SORTING HEAT PUMP.
NL7714163A (en) VALVE SLIDING PLATE.
ES489969A0 (en) IMPROVEMENTS IN A MOLDED METAL TUNING DEVICE
NO142569C (en) ENGINE OPERATED DEVICE.
IT1156801B (en) IMPROVEMENT IN VARIABLE STROKE COMPRESSORS
IT1193266B (en) ALUMINOSILICATE BASED POWDERS.
DD128027A5 (en) ELECTROMAGNETICALLY OPERATED MEMBRANE PUMP
ES502919A0 (en) IMPROVEMENTS IN A MOLDED METAL TUNING DEVICE
BR7704516A (en) PISTON WITH VARIABLE COMPRESSION RELATIONSHIP
IT8022589A0 (en) VARIABLE FREQUENCY OSCILLATOR.
NL164244C (en) IN A CASING SLIDABLE HOLDER.
BR7707736A (en) LAMINATOR WITH TWO COMPRESSION OPENINGS
IT7925710A0 (en) SCISSOR DISCONNECTOR, ESPECIALLY SINGLE-COLUMN.
AU512571B2 (en) Vibrator with eccentric weights
IT7924410A0 (en) VARIABLE VOLUME TANK.
IT7826181A0 (en) MECHANICAL CABINET IN PATERNOSTER.
IT1087142B (en) PLURIMA SERIES, IN PARTICULAR WITHOUT END
NL169006C (en) ELECTROMECHANICAL FILTER.
IT1091579B (en) COOKING PLATE, PREFERABLY GLASS CERAMIC COOKING PLATE
NL7612332A (en) SORPTION VACUUM PUMP.