Patent ID: 6134842
Filing Date: 2000-10-24
Classification: E06B,F24S,Y02B,Y02E

Abstract:
An integrated window/light shelf system for use in the daylight illumination with no glare, summer solar heat reduction and winter solar heating of a building comprising:a double panes window with enlarged air gap and an insulated wood or metal frame;an inner positioned parallel, light reflective or absorbing, low transparent glass plates unit in the middle of said double panes;a series of metal sheet envelopes holding said glass plates;a series of bushings at both ends of said window frame;a series of axles at the ends of said envelopes extending into said bushings at both ends of said window frame;a looped wire and connecting secondary wires to turn said axles and said glass plates in synchronized step rotation; anda turning control mechanism with a timer, a light sensor, a switching circuit, an open/closed switch, a Limit-angle-torque motor and a timing belt.