Global Patent Index - EP 0772003 B1

EP 0772003 B1 2000-04-26 - Device for drawing off a gas through a conduit for venting it

Title (en)

Device for drawing off a gas through a conduit for venting it

Title (de)

Gerät zum Absaugen eines Gases aus einer Leitung um es abzuführen

Title (fr)

Dispositif pour aspirer un fluide gazeux à travers un conduit pour le rejeter à l'extérieur de celui-ci

Publication

EP 0772003 B1 (FR)

Application

EP 96402337 A

Priority

FR 9513036 A

Abstract (en)

[origin: EP0772003A1] The ejection system consists of an essentially straight duct section (4) situated above the main outlet duct (2), and nozzles (8) for injecting a drive gas into it from a gas generator (3). The nozzles are situated at some distance from the open end of the additional duct section, which is topped by a static or static/mechanical extractor (7). The distance between the nozzles and the open end of the additional duct section is equivalent to o.1-20 per cent of the length of the main duct, and preferably some 10 per cent, or about 1 m. The output of the nozzles is between 20-100 per cent of the nominal gas flow through the main duct, and has a flow rate of 10-100 m/s and especially 20-60 m/s.

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

F23L 17/16; F23L 17/00; F23L 17/08; F24F 7/02

IPC 8 full level (invention and additional information)

F23L 17/00 (2006.01); F23L 17/08 (2006.01); F23L 17/16 (2006.01); F24F 7/02 (2006.01)

CPC (invention and additional information)

F23L 17/16 (2013.01); F23L 17/005 (2013.01); F23L 17/08 (2013.01); F24F 7/025 (2013.01)

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI NL

EPO simple patent family

EP 0772003 A1 19970507; EP 0772003 B1 20000426; AT 192225 T 20000515; DE 69607917 D1 20000531; DE 69607917 T2 20001207; ES 2147638 T3 20000916; FR 2740862 A1 19970509; FR 2740862 B1 19980123

INPADOC legal status


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- Representative's name: RIEDERER HASLER & PARTNER PATENTANWAELTE AG

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- Owner name: BARZANO' E ZANARDO ROMA S.P.A.

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