Exhaust device and image forming apparatus including the same
AssigneeSharp Kabushiki Kaisha
InventorsMASAFUMI SAKAMOTO, HIDEAKI KADOWAKI
Life of this patent
Estimating the term…
Abstract
An image forming apparatus includes an exhaust unit. The exhaust unit includes a first duct. The first duct includes a plurality of communication ports, and an exhaust fan for discharging air of the first duct to an outside. The plurality of communication ports are each formed such that distances to the exhaust fan are different from each other. Further, the first duct includes an inflow port which is formed on an upstream of flow of air from the communication port formed on the most upstream side of the flow of the air among the plurality of communication ports, and to which the auxiliary air is supplied from a first exhaust fan provided in the outside.
Claims9
An exhaust device comprising:
- a first duct including an exhaust port and a plurality of intake ports;
- and an exhaust fan provided in the first duct,
- wherein in the first duct, the plurality of intake ports are each formed such that distances to the exhaust fan are different from each other, and
- wherein the first duct includes an inflow port of auxiliary air which is formed on an upstream side of flow of air from at least two intake ports among the plurality of intake ports, and to which the auxiliary air is supplied from an air blowing unit that sends the auxiliary air to the first duct.
Dependencies are inferred from the claim text.