Electrophotography – Internal machine environment – Forced air circulation
Reexamination Certificate
2007-12-04
2007-12-04
Chen, Sophia S. (Department: 2852)
Electrophotography
Internal machine environment
Forced air circulation
C399S093000
Reexamination Certificate
active
11228236
ABSTRACT:
An image forming apparatus includes a branch section that branches a cooling wind from a cooling fan into branched cooling winds and a wind guide path that guides the branched cooling winds branched by the branch section to cooling targets to be cooled, respectively, and exhausts the branched cooling winds. The wind guide path includes a first wind guide path that guides one of the branched cooling winds to a first cooling target at which a predetermined gas is mixed into the one of the branched cooling winds, and exhausts the one of the branched cooling winds and a second wind guide path that guides another one of the branched cooling winds to a second cooling target at which the predetermined gas is not mixed into another one of the branched cooling winds and exhausts another one of the branched cooling winds.
REFERENCES:
patent: 4530589 (1985-07-01), Adams
patent: 4695151 (1987-09-01), Watanabe
patent: 6501922 (2002-12-01), Ihara et al.
patent: 2002/0186986 (2002-12-01), Makihira
patent: 2000-047551 (2000-02-01), None
patent: 2002-318513 (2002-10-01), None
patent: 2003-140534 (2003-05-01), None
patent: 2003-316237 (2003-11-01), None
Chen Sophia S.
Toshiba Tec Kabushiki Kaisha
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