Patent ID: 8340327

Claim:
A window assembly, comprising: at least one panel; at least one actuator operable for transferring vibration to said at least one panel; a back mount, said at least one actuator mounted to said back mount; a seal connected to said at least one panel; a frame, said seal connected to said frame such that said seal is disposed between said frame and said at least one panel, said seal operable for deflecting when said at least one actuator transfers vibration to said at least one panel, allowing said panel to vibrate; a window frame that is part of a building, said back mount mounted to said window frame such that said back mount is supported by said window frame; a mechanical exciter forming part of said actuator having a rigid upper side and a rigid lower side with plates extending between the upper side and the lower side, said actuator further including a piezoelectric stack connected to said plates of said mechanical exciter, wherein said plates of said mechanical exciter are angled outward away from said piezoelectric stack and amplify the stroke of said piezoelectric stack away from said at least one panel.