Patent ID: 8371913

Claim:
An exterior sealed window-mounted fan comprising: a housing has a pair of window flanges that secure and/or stabilize the housing to a window by lowering a window onto the housing; wherein a layer of foam padding is located on a top surface of the housing between the two window notches in order to provide a weather seal between the housing and window opening; a plurality of electrical fans are located within the housing; wherein a fan control is wiredly connected to the electrical fans; a vent screen system can open and close to unseal or seal off the opening occupied by the housing; a plurality of sliding slats slide along a track located within the housing; wherein the track and the sliding slats are positioned between the opening in the housing adjacent the exterior of the dwelling and the electrical fans; a plurality of sprockets rotate the sliding slats move laterally along their respective track; a plurality of slat control knobs individually rotate one of the sprockets, which laterally moves the respective sliding slat to either coil around the sprocket and expose the opening within the housing or uncoil the sliding slat, which extends along the track to close off the opening within the housing; wherein each slat control knob is responsible for manipulating a respective sprocket and sliding slat to open or close off a respective portion of the opening within the housing; a plurality of expandable louvers are fitted along a side of the housing; wherein the outermost edge of the expandable louvers are fitted with an adhesive strip for securing the housing with the respective side of the window opening; wherein the housing consists of a rectangular shape that is designed to accommodate a standard width of a window opening; wherein the fan control is a voltmeter that restricts the flow of electricity to the electrical fans; wherein a removable filter is located between the fans and a side of the housing adjacent to the interior of a dwelling when installed.