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AU3292189A - Sound reflector - Google Patents

Sound reflector

Info

Publication number
AU3292189A
AU3292189A AU32921/89A AU3292189A AU3292189A AU 3292189 A AU3292189 A AU 3292189A AU 32921/89 A AU32921/89 A AU 32921/89A AU 3292189 A AU3292189 A AU 3292189A AU 3292189 A AU3292189 A AU 3292189A
Authority
AU
Australia
Prior art keywords
sound reflector
reflector
sound
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.)
Abandoned
Application number
AU32921/89A
Inventor
Roland Sandstrom
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.)
Infrasonik AB
Original Assignee
Infrasonik AB
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 Infrasonik AB filed Critical Infrasonik AB
Publication of AU3292189A publication Critical patent/AU3292189A/en
Abandoned legal-status Critical Current

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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M20/00—Details of combustion chambers, not otherwise provided for, e.g. means for storing heat from flames
    • F23M20/005—Noise absorbing means
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
AU32921/89A 1988-03-10 1989-03-10 Sound reflector Abandoned AU3292189A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8800867A SE8800867L (en) 1988-03-10 1988-03-10 sound reflector
SE8800867 1988-03-10

Publications (1)

Publication Number Publication Date
AU3292189A true AU3292189A (en) 1989-10-05

Family

ID=20371648

Family Applications (1)

Application Number Title Priority Date Filing Date
AU32921/89A Abandoned AU3292189A (en) 1988-03-10 1989-03-10 Sound reflector

Country Status (3)

Country Link
AU (1) AU3292189A (en)
SE (1) SE8800867L (en)
WO (1) WO1989008909A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8902831A (en) * 1989-11-16 1991-06-17 Philips Nv SPEAKER SYSTEM CONTAINING A HELMHOLTZ RESONATOR COUPLED WITH AN ACOUSTIC TUBE.
EP1213538B1 (en) * 2000-12-08 2006-09-06 Alstom Technology Ltd Exhaust gas system with Helmholtz resonator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE110315C1 (en) *
DE1147769B (en) * 1959-04-10 1963-04-25 Sulzer Ag Resonator
US3434565A (en) * 1967-12-21 1969-03-25 Walker Mfg Co Silencer with angled tuning tube leading to helmholtz resonator
US3525419A (en) * 1968-02-07 1970-08-25 Cassel Thomas Richard Exhaust system
US4281741A (en) * 1979-10-01 1981-08-04 General Motors Corporation Compact exhaust silencer for diesel locomotives
DE3517859A1 (en) * 1985-05-17 1986-11-20 Wolf Klimatechnik GmbH, 8302 Mainburg Heating boiler

Also Published As

Publication number Publication date
WO1989008909A1 (en) 1989-09-21
SE8800867L (en) 1989-09-11
SE8800867D0 (en) 1988-03-10

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