Global Patent Index - EP 0716272 B1

EP 0716272 B1 20000119 - Low-noise fume extracting hood

Title (en)

Low-noise fume extracting hood

Title (de)

Geräuschreduzierte Dunstabzugshaube

Title (fr)

Hotte d'évacuation de fumées à bruit réduit

Publication

EP 0716272 B1 (DE)

Application

EP 95118837 A

Priority

DE 4443176 A

Abstract (en)

[origin: EP0716272A2] The hood has a casing with filter, induction aperture and output aperture partly covered with soundproofing material, and a fan in the casing. Sound-proof material (20, 21) is fitted in the casing, at least opposite each input aperture (32, 33) of the fan (30) in the casing (10). The sound-proof material is spaced away from the opposite input aperture by at least half the radius of the fanwheel (37). The sound-proof material opposite a single input aperture has a surface of at least as large as that of a disc of the same radius as the fanwheel.

IPC 1-7

F24C 15/20

IPC 8 full level

F24C 15/20 (2006.01)

CPC (source: EP)

F24C 15/20 (2013.01); Y10S 454/906 (2013.01)

Citation (examination)

GB 1018084 A 19660126 - SOUND CONTROL LTD

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

DE 4443176 C1 19960502; EP 0716272 A2 19960612; EP 0716272 A3 19970326; EP 0716272 B1 20000119; US 5720274 A 19980224

DOCDB simple family (application)

DE 4443176 A 19941205; EP 95118837 A 19951130; US 56684595 A 19951204