CAPACITY VARIABLE DEVICE FOR SCROLL COMPRESSOR

摘要

PURPOSE: A capacity changeable device of a scroll compressor is provided to increase the energy efficiency of the scroll compressor by increasing the capacity of a compression room. CONSTITUTION: A capacity changeable device of a scroll compressor comprises followings. A fixing wrap(51) of a helix is formed at a fixed scroll(50) of a sealed container inside. A rotating scroll has a rotating wrap in order to make a pair of compression rooms while going in gear with the fixing wrap of the fixed scroll. A capacity variable valve is installed at an opening side of the compression room including the fixing wrap and the rotating wrap in order to vary the inhaled amount of the refrigerant to the compression room.