US Patent 10352085 Motorized window venting insert

A window venting insert, including a main housing, for use within a window assembly having a casement an upper window panel and a lower window panel, the lower window panel may be opened to create a window opening. A screen panel extends within the main housing an allows air flow through the main housing. A movable solid panel has a closed position where it selectively blocks the screen panel to prevent air flow therethrough. A motor mechanism and a control unit cooperate to determine appropriate times and ambient temperatures for moving the movable solid panel to the closed position.