POWER TRANSMISSION APPARATUS FOR A COMPRESSOR

摘要

PURPOSE: A power transfer unit for a compressor is provided to blocks a foreign material by forming a spiral projection on the outer circumference of an extended projection part. CONSTITUTION: A pulley(100) is arranged to be relatively rotated to a compressor housing. A bearing is arranged between the outer circumference side of the end part of a housing and the inner circumference side of the boss part of the pulley. A driving shaft is arranged to be rotatable with the pulley by being connected to the pulley. An extended projection part(111) is formed to be extended to the housing in the back end of the boss part(110) of the pulley. The extended projection part, in which a spiral projection part is formed, is formed in the outer circumference.