GREENHOUSE Russian patent published in 2003 - IPC

FIELD: agriculture. SUBSTANCE: greenhouse has base, side and upper sloped transparent guards formed as flat trapezium-shaped panels. Base is made as foundation shaped as irregular rectangle in plan, which is formed by cutting off of three sides from regular octagon by means of vertical wall facing to north side, with one remainder side of octagon being faced to south. Base in continued with vertical guard and at least two hollow truncated pyramids mounted onto one another and cut off by the same vertical wall. Solar heat collectors are mounted on upper surface of greenhouse, with one of collectors being oriented with its face side to south. Greenhouse is equipped with heating, cooling and spraying devices. When greenhouse is operated in cold seasons, soil inside greenhouse is prevented from freezing due to arranging of foundation below freezing level and due to heating internal medium, i.e., soil and air. During daytime, certain portions of transparent panels and truncated pyramids as well as of solar collectors absorb solar energy. EFFECT: increased efficiency of utilizing solar energy and heat energy of atmosphere and reduced production and operating costs. 10 cl, 7 dwg