Patent ID: 6393778
Filing Date: 2002-05-28
Classification: E06B

Abstract:
An improved window system comprising; an assembled window frame comprising, a top perimeter frame member having at least two sliding rails, a first and second perimeter frame jamb member, a bottom perimeter frame member having at least two sliding rails and a gutter, each said perimeter frame member and said perimeter frame jamb member enclosing an airspace, said bottom perimeter frame member connected to said top perimeter frame member by said first and said second perimeter frame jamb members such that each said airspace is interconnected with each other said airspace to form a first continuous airloop, said first continuous airloop pressure equalized with the external environment by at least one opening in at least one said perimeter frame member;at least one assembled window panel comprising, a panel, an exterior water seal, an interior air seal, a top panel frame member, a first and second panel jamb member, a bottom panel frame member, each said panel frame member having a â€œUâ€  shaped channel, each said panel frame member having a seal affixed thereto, said bottom panel frame member connected to said top panel frame member by said first and said second panel jamb members such that said panel frame members frame said panel, said exterior water seal contacting said panel and said panel frame member at the junction of said panel and said panel frame member, said panel frame member with each said airspace interconnected with each other said airspace to form a second continuous airloop, said second continuous airloop pressure equalized with said external environment by at least one opening in at least one said panel frame member, said â€œUâ€  shaped channels associated with said panel including said exterior water seal and said interior air seal to form a third continuous airloop, said third continuous airloop pressure equalized to said external environment by at least one opening in said â€œUâ€  shaped channel communicating with said second continuous airloop; and said assembled window panel installed in said assembled window frame such that one of said sliding rails of said top perimeter frame member contacts said seal affixed to said top panel frame member and one of said sliding rails of said bottom perimeter frame member contacts said seal affixed to said bottom panel frame member, wherein the improved window system also includes an outer and an inner said assembled window panel, further including a vertical seal affixed to said inner assembled window panel, wherein said bottom perimeter frame member further includes a seal block.