| US 7,473,074 B2 | ||
| Exhaust fan | ||
| Walter Herbst, Lake Forest, Ill. (US); and James C. Hand, Glen Ellyn, Ill. (US) | ||
| Assigned to Intelligent Home Products, Inc., Clveland, Ohio (US) | ||
| Filed on Feb. 13, 2006, as Appl. No. 11/352,802. | ||
| Prior Publication US 2007/0189891 A1, Aug. 16, 2007 | ||
| Int. Cl. F04D 29/44 (2006.01) | ||
| U.S. Cl. 415—213.1 [415/116; 415/214.1] | 20 Claims |
| 1. A fan housing, comprising:
a unitary molded structure formed from a material that has a flame spread rating of twenty five or less, the unitary molded
structure comprises,
a base;
an impeller housing centrally located next to the base;
a flow path located circumferentially around the impeller housing with one or more defined walls for directing air flow;
an exhaust port that receives air from the flow path and outputs air in a particular direction;
an electrical enclosure that houses at least one electrical component; and
a wiring channel located between the electrical enclosure and the impeller housing that provides a path for at least one connective
wire to pass from the at least one electrical component within the electrical enclosure to one or more electrical components
within the impeller housing.
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