Imperforate bowl: centrifugal separators – Including means or structure for promoting safety
Reexamination Certificate
2007-10-30
2007-10-30
Cooley, Charles E. (Department: 1723)
Imperforate bowl: centrifugal separators
Including means or structure for promoting safety
C494S016000
Reexamination Certificate
active
11336847
ABSTRACT:
A centrifugal separator is configured such that a switching unit adapted to be brought into electrical conduction or electrical nonconduction is electrically connected in a drive power supply line between a motor drive circuit of a control unit and a motor winding wire, and that the switching unit is controlled to be brought into nonconduction when a door is opened.
REFERENCES:
patent: 3633041 (1972-01-01), Koskela
patent: 3699287 (1972-10-01), Stahl et al.
patent: 5280975 (1994-01-01), Tscheu et al.
patent: 6241650 (2001-06-01), Letourneur
patent: 6334841 (2002-01-01), Letourneur
patent: 6602178 (2003-08-01), Inaniwa et al.
patent: 7104944 (2006-09-01), Fujimaki et al.
patent: 2006/0166801 (2006-07-01), Takahashi
patent: 2006/0178253 (2006-08-01), Takahashi
patent: 2816395 (1979-10-01), None
patent: 60-20753 (1985-06-01), None
patent: 07275738 (1995-10-01), None
patent: 9-187428 (1997-07-01), None
patent: 2001-87677 (2001-04-01), None
Cooley Charles E.
Hitachi Koki Co,. Ltd.
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