EP 0070279 B1 19860326 - PRESSURIZED GAS DRIVEN SOUND EMITTER
Title (en)
PRESSURIZED GAS DRIVEN SOUND EMITTER
Publication
Application
Priority
SE 8007294 A 19801017
Abstract (en)
[origin: WO8201329A1] A sound emitter driven by pressurized gas and having a resonator horn (15). According to the invention, the resonator horn is connected to one outlet branch (12) of a fluidistor (10) while the other outlet branch (13) is connected to a tuned member (16) having the same acoustic input impedance as the resonator horn. By the fluidistor being brought to oscillate, the emission of the pressurized gas from the resonator horn is controlled while generating sound oscillations substantially at a predetermined frequency.
IPC 1-7
IPC 8 full level
B06B 1/20 (2006.01); G10K 5/00 (2006.01); G10K 7/02 (2006.01); G10K 9/04 (2006.01)
CPC (source: EP)
G10K 5/00 (2013.01)
Citation (examination)
- US 3911858 A 19751014 - GOODWIN R WENDELL
- US 3850135 A 19741126 - GALLE E
- US 3416487 A 19681217 - GREENE GEORGE B
- US 1530899 A 19250324 - FRANCOIS LIMON
- DE 1235775 B 19670302 - M A N TURBO G M B H
- DE 1433147 A1 19690109 - BOWLES RONALD EDWARD, et al
- SE 193387 C1
- US 3942468 A 19760309 - OLOFSSON SVANTE BERTIL [SE]
Designated contracting state (EPC)
AT CH DE FR GB LI LU NL SE
DOCDB simple family (publication)
WO 8201329 A1 19820429; EP 0070279 A1 19830126; EP 0070279 B1 19860326; JP S57501749 A 19820924; SE 428346 B 19830627; SE 8007294 L 19820418
DOCDB simple family (application)
SE 8100302 W 19811015; EP 81902856 A 19811015; JP 50332281 A 19811015; SE 8007294 A 19801017