Electrophotography – Internal machine environment – Forced air circulation
Patent
1997-06-30
1998-10-06
Grimley, Arthur T.
Electrophotography
Internal machine environment
Forced air circulation
399 92, 399100, G03G 2100
Patent
active
058191372
ABSTRACT:
An integrated environmental management system for reproduction apparatus including a reprographic marking engine for reproducing information supplied thereto and accessories for facilitating the handling of reproduction output from the marking engine. The integrated environmental management system includes a housing associated with the reprographic marking engine. The housing defines a chamber having, in communication, a rear wall substantially parallel to the rear of the reprographic marking engine, first and second side walls, and top and bottom walls. An inlet plenum in the housing chamber communicates, for example, with an opening in the first side wall of the housing. The inlet plenum includes an inlet filter for preventing contaminants in ambient air from entering the inlet plenum, a first inlet duct directed into the general interior of the reprographic marking engine, and a plurality of inlet ducts directed respectively to specific systems within the reprographic marking engine. An exhaust plenum in the housing chamber communicates, for example, with an opening in the second side wall of the housing. The exhaust plenum includes a first exhaust duct directed from the general interior of the reprographic marking engine, a plurality of exhaust ducts directed respectively from specific systems within the reprographic marking engine, and a filter for preventing contaminants carried by air flow from within the reprographic marking engine from exiting through the exhaust plenum. At least one fan is provided for moving air from the inlet plenum through the reprographic marking engine and through the exhaust plenum. The fan has a control for regulating the speed thereof to maintain a desired air flow for a given power output of the reprographic marking engine.
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Hartford Clifton T.
Heberle David R.
Hockey David E.
Hoffman Gary P.
Jones Kurt E.
Chen Sophia S.
Eastman Kodak Company
Grimley Arthur T.
Kessler Lawrence P.
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