Patent ID: 6739833
Filing Date: 2004-05-25
Classification: F01C,F04C

Abstract:
A compressor comprising:a motor having a rotating shaft; a compressing mechanism connected to and driven by the rotating shaft of the motor; and a case for accommodating the motor and the compressing mechanism, the rotating shaft including a main shaft on a compressing mechanism side of the rotating shaft and an auxiliary shaft on a side opposite to the main shaft which are supported by a radial plain bearing and a rolling bearing so that a predetermined clearance in an axial direction is given to the rotating shaft, the main shaft being provided with a flange portion that contacts with a main-shaft receiving member for holding the radial plain bearing for aligning the main shaft with the compressing mechanism, preload toward the rolling bearing being given to the rotating shaft, the compressor being further provided with a prevention member between opposing faces of the flange portion and the main-shaft receiving member, the prevention member for preventing contact and/or collision of the rotating shaft with the main-shaft receiving member.