Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Reexamination Certificate
2007-04-03
2007-04-03
Neckel, Alexa (Department: 1764)
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Waste gas purifier
C422S168000, C422S170000, C422S172000, C422S177000
Reexamination Certificate
active
10070932
ABSTRACT:
The invention concerns a device comprising at least an electrostatic filter (20) with corona effect comprising an emitting structure (29, 32, 33) and a collector structure (24). The invention is characterized in that the collector structure (24) comprises a plurality of cavities trapping the particles contained in the gas medium, such as gases of an internal combustion engine. The emitting structure (29, 32, 33) comprises a plurality of serrated plates such as ratchets (32) designed to be connected to a high voltage circuit. Preferably, the collector structure (24) comprises a separator formed of a wire mesh. Advantageously, said device is associated with an oxidation catalytic converter and/or a continuously regenerating mechanical filter and/or suction means.
REFERENCES:
patent: 5121601 (1992-06-01), Kammel
patent: 5492677 (1996-02-01), Yoshikawa
patent: 5787704 (1998-08-01), Cravero
patent: 6003305 (1999-12-01), Martin et al.
patent: 0256325 (1988-02-01), None
patent: 0367587 (1990-05-01), None
patent: 9911909 (1999-03-01), None
Crowell & Moring LLP
Handal Kaity
Neckel Alexa
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