Grease filter

Details Grease filter Grease filter

2005-04-12

2005-04-12

Hopkins, Robert A. (Department: 1724)

Gas separation

Plural serial basically diverse separating media

Plural stages in unitary casing

C055S322000, C055S444000, C055S511000, C055SDIG003

Reexamination Certificate

active

06878175

ABSTRACT:
A grease filter made from metal, in particular, for use in commercial kitchens and in household vapor extractor hoods has impact filter elements with a first row of elongate profiles disposed at distances from one another and with a second row of profiles disposed at distances from one another, the profile rows being at a distance from one another and being offset relative to one another such that the profiles of the second row match with the distances between the first row. A knitted fabric filter or an expanded mesh grid is disposed between the first and second rows of profiles. The profiles have a sound-absorbing material, in particular, sound-absorbing mats, on a side facing away from the air flow. By virtue of this configuration, a high grease efficiency is achieved, there is excellent protection against flame puncture, and noise protection measures can be implemented.

REFERENCES:
patent: 3910782 (1975-10-01), Struble et al.
patent: 5178654 (1993-01-01), Cowley et al.
patent: 5302174 (1994-04-01), Guetersloh
patent: 27 20 201 (1978-11-01), None
patent: 41 38 846 (1993-05-01), None
patent: 44 27 074 (1996-02-01), None
patent: 298 11 000 (1998-10-01), None
patent: 299 06 295 (1999-09-01), None

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