LU39035A1 - - Google Patents

Info

Publication number
LU39035A1
LU39035A1 LU39035DA LU39035A1 LU 39035 A1 LU39035 A1 LU 39035A1 LU 39035D A LU39035D A LU 39035DA LU 39035 A1 LU39035 A1 LU 39035A1
Authority
LU
Luxembourg
Application number
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 filed Critical
Publication of LU39035A1 publication Critical patent/LU39035A1/xx

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
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/04—Acoustic filters ; Acoustic resonators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C1/00—Circuit elements having no moving parts
    • F15C1/16—Vortex devices, i.e. devices in which use is made of the pressure drop associated with vortex motion in a fluid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/26—Devices characterised by the use of fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
LU39035D 1959-08-07 1960-08-02 LU39035A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR802320A FR1241787A (fr) 1959-08-07 1959-08-07 Résonateur acoustique à impédance variable

Publications (1)

Publication Number Publication Date
LU39035A1 true LU39035A1 (fr) 1960-10-03

Family

ID=8718103

Family Applications (1)

Application Number Title Priority Date Filing Date
LU39035D LU39035A1 (fr) 1959-08-07 1960-08-02

Country Status (4)

Country Link
BE (1) BE593636A (fr)
FR (1) FR1241787A (fr)
GB (1) GB914274A (fr)
LU (1) LU39035A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4228356C2 (de) * 1992-08-26 1995-10-19 Daimler Benz Aerospace Ag Hohlraumresonator zur Lärmreduzierung

Also Published As

Publication number Publication date
GB914274A (en) 1963-01-02
FR1241787A (fr) 1960-09-23
BE593636A (fr) 1960-12-01

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