High speed tunnel fan with electrostatic filter

Details High speed tunnel fan with electrostatic filter High speed tunnel fan with electrostatic filter

2008-02-28

2010-11-02

Chiesa, Richard L (Department: 1797)

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

C055SDIG038, C096S094000, C096S097000, C096S098000, C096S100000

Reexamination Certificate

active

07824476

ABSTRACT:
A tunnel fan with an electrostatic filter is disclosed. The tunnel fan includes: a cylindrical shaped tunnel fan; and an electrostatic filter including a pipe assembly, the pipe assembly including a plurality of pipes arranged in parallel to form a cylindrical shape, each pipe having an electrostatic induction means for causing tiny dust to be collected by an induction voltage, wherein the electrostatic filter is coupled to a front or a rear of the tunnel fan.

REFERENCES:
patent: 1396811 (1921-11-01), Chubb
patent: 3722183 (1973-03-01), Gaylord
patent: 4386055 (1983-05-01), McBride
patent: 5277703 (1994-01-01), Sklenak et al.
patent: 5380355 (1995-01-01), Brothers
patent: 5667565 (1997-09-01), Gondar
patent: 5779769 (1998-07-01), Jiang
patent: 6203600 (2001-03-01), Loreth
patent: 6398852 (2002-06-01), Loreth
patent: 2001/0029842 (2001-10-01), Hoenig
patent: 52-18266 (1977-02-01), None

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