EP 3862055 A1 20210811 - FIRE EXTINGUISHING NOZZLE AND FIRE EXTINGUISHER

Title (en)

FIRE EXTINGUISHING NOZZLE AND FIRE EXTINGUISHER

Title (de)

FEUERLÖSCHDÜSE UND FEUERLÖSCHER

Title (fr)

BUSE D'EXTINCTION D'INCENDIE ET EXTINCTEUR

Publication

EP 3862055 A1 20210811 (EN)

Application

EP 21155804 A 20210208

Priority

BE 202005077 A 20200210
BE 202005501 A 20200706
DE 202020000557 U 20200210
DE 202020103898 U 20200706
AT 500232020 U 20200210
AT 501372020 U 20200706

Abstract (en)

A first aspect of the present invention concerns a fire extinguishing nozzle comprising a mixing, a ventilation and a foaming chamber, wherein said ventilation chamber comprises a first hollow cylindrical body comprising at least three air inlet holes, said foaming chamber comprises a second hollow cylindrical body having an axial length (L) and an inner diameter (d), and said ventilation chamber and/or said foaming chamber comprise a mesh, wherein the ratio of the axial length over the inner diameter (L:d) is comprised between 4:5 and 9:5 for extinguishing class A fires, or between 6:1 and 10:1 for extinguishing class B fires.A second and third aspect respectively relate to a fire extinguisher comprising a fire extinguishing composition and a fire extinguishing nozzle, and to the use of a nozzle or fire extinguisher for extinguishing class A or class B fires.

IPC 8 full level

A62C 5/02 (2006.01); A62C 31/12 (2006.01)

CPC (source: EP)

A62C 5/024 (2013.01); A62C 31/12 (2013.01)

Citation (applicant)

EP 3337576 A1 20180627 - FEUERSCHUTZ JOCKEL GMBH & CO KG [DE]
FR 2303605 A1 19761008 - ROTVAND GEORGES [FR]
US 4830790 A 19890516 - STEVENSON DOUGLAS E [CA]

Citation (search report)

[XDI] FR 2303605 A1 19761008 - ROTVAND GEORGES [FR]
[XDI] US 4830790 A 19890516 - STEVENSON DOUGLAS E [CA]
[Y] GB 2294415 A 19960501 - WARNSTAR LTD [GB]
[Y] WO 2017012601 A1 20170126 - FEUERSCHUTZ JOCKEL GMBH & CO KG [DE]
[Y] US 5848752 A 19981215 - KOLACZ DAVID J [US], et al
[A] US 5820027 A 19981013 - SZCZUREK NORBERT [US]
[A] US 4219159 A 19800826 - WESNER WALTER H [US]

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3862055 A1 20210811; EP 3862055 A9 20220810; EP 3862055 B1 20230412; DK 3862055 T3 20230724; EP 4186568 A1 20230531; ES 2948726 T3 20230918; FI 3862055 T3 20230628; PL 3862055 T3 20230807

DOCDB simple family (application)

EP 21155804 A 20210208; DK 21155804 T 20210208; EP 22215878 A 20210208; ES 21155804 T 20210208; FI 21155804 T 20210208; PL 21155804 T 20210208