MULTI-STORIED BUILDING Russian patent published in 1995 - IPC

FIELD: erection of multi-storied buildings. SUBSTANCE: utility rooms are formed by walls of stair cages and thermal insulating walls, and form closed volumes, cooled by pipe of rubbish chute. A system of throttling valves provides the level of required temperatures. The valves are controlled by mechanical thermal relay. EFFECT: utility room provided for four flats of one stair cage ensures keeping more than 1 t of vegetables. 2 cl, 4 dwg