Global Patent Index - EP 0911082 A4

EP 0911082 A4 2000-07-26 - METHOD FOR PRODUCING A GAS-DROPLET JET STREAM, EQUIPMENT AND NOZZLE THEREFOR

Title (en)

METHOD FOR PRODUCING A GAS-DROPLET JET STREAM, EQUIPMENT AND NOZZLE THEREFOR

Title (de)

VERFAHREN ZUR ERZEUGUNG EINES STRAHLES VON GAS UND TRÖPFCHEN, AUSRÜSTUNG UND DÜSE ZUR DURCHFÜHRUNG DIESES VERFAHRENS

Title (fr)

PROCEDE DE FORMATION DE JET DE TYPE GAZ-GOUTTELETTES, INSTALLATION ET BUSE

Publication

EP 0911082 A4 (DE)

Application

EP 97932056 A

Priority

  • RU 9700217 W
  • RU 96113451 A

Abstract (en)

[origin: WO9801231A1] The present invention relates to a method for producing a gas-droplet jet stream, wherein said method comprises the following steps: accelerating a gas flow in a gas-dynamic nozzle; introducing a dispersed liquid flow into said gas flow during the acceleration process of the latter; and accelerating the two-phase flow thus obtained in an injector. The gas pressure at the nozzle inlet and the relative concentration of liquid in the two-phase flow are selected according to predetermined conditions that allow for the generation of gas-droplet jet streams capable of flying over a distance exceeding 50 m. This invention also relates to equipment for generating such gas-droplet jet streams, wherein said equipment comprises liquid and gas supply systems (1, 2) as well as a gas-dynamic nozzle (4). The gas-dynamic nozzle (4) includes a chamber (3) for mixing the gas and the liquid as well as a contoured channel (7). This method may also be implemented using an annular nozzle, while the length of the contoured channel (7) must be equal to at least five times the diameter at the critical section of said nozzle.

IPC 1-7 (main, further and additional classification)

B05B 7/04; A01G 25/00; A62C 31/02

IPC 8 full level (invention and additional information)

B05B 7/00 (2006.01); A01G 25/00 (2006.01); A62C 3/02 (2006.01); A62C 31/02 (2006.01); B05B 7/04 (2006.01)

CPC (invention and additional information)

B05B 7/045 (2013.01); A62C 3/0207 (2013.01); A62C 31/02 (2013.01); B05B 7/0433 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 9801231 A1 19980115; AT 209970 T 20011215; DE 59705677 D1 20020117; DK 0911082 T3 20020225; EP 0911082 A1 19990428; EP 0911082 A4 20000726; EP 0911082 B1 20011205; ES 2169406 T3 20020701; PT 911082 E 20020328; RU 2107554 C1 19980327

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