Patent ID: 8262442
Filing Date: 2012-09-11
Classification: B66B,F24F

Abstract:
1. A thermal energy management method in a building comprising a lifting installation with a mobile car in a shaft and a ventilation passage between said shaft and the atmosphere, said method comprising the following steps: monitoring of at least one state parameter of said lifting installation; said monitoring of at least one state parameter comprising monitoring of a presence of a person in said lifting installation and/or monitoring of a movement of said car in said shaft; evaluation, in a control unit, of the necessity to ventilate said shaft based on said state parameter, said control unit concluding to the necessity to ventilate said shaft if one of a presence of a person and/ when a movement of said car is detected; switching of an obturator element associated with said ventilation passage from an open position, wherein said ventilation passage is essentially open, to a closed position, wherein said ventilation passage is substantially obturated, only when said evaluation indicates that ventilation of said shaft is not required, said obturator element being prestressed to its open position.