ECCENTRIC BUSH AND A SCROLL COMPRESSOR COMPRISING THE SAME, CAPABLE OF ENHANCING THE LUBRICATION OF A ROTARY SUPPORTING STRUCTURE INSTALLED IN THE SCROLL COMPRESSOR

摘要

PURPOSE: An eccentric bush and a scroll compressor comprising the same are provided to enhance the lubrication performance of the bearing supporting a driving shaft, a rotary scroll and an eccentric bush.;CONSTITUTION: A scroll compressor(100) comprises a fixed scroll(110), a rotary scroll(120), an eccentric bush(10), and a driving shaft(20). The fixed scroll includes a first circular plate and a first spiral element projected from the first circular plate. The rotary scroll includes a second circular plate, and a second spiral element projected from the second circular plate. The second spiral element engaged with the first spiral element and a projected boss is formed at the opposite side of the second spiral element. The eccentric bush comprises a cylindrical part(11) and a balance weight(15). The cylindrical part is ratatably coupled to the boss of the rotary scroll through a bearing. The balance weight is extended to the outer circumference of one side the cylindrical part in a radius direction. The driving shaft is connected to the rotary scroll through the eccentric bush.;COPYRIGHT KIPO 2010