US Patent 10258709 Scent diffuser with integrated air circulator

A scent diffuser (e.g., air freshener) configured to automatically circulate fragrant air throughout a surrounding environment comprises a powered air circulator configured for circulating air and a fragrance composition throughout the surrounding environment, and a solar cell positioned within a support face of the air circulator. The support face is configured to secure the scent diffuser relative to a support surface and has an open portion configured to allow light to contact the solar cell. The air circulator may comprise a centrifugal fan positioned within the housing and configured to draw air through intake apertures in sidewalls of the housing and to exhaust air and fragrance through an outflow aperture of the housing.