公开(公告)号：US20050002813A1

公开(公告)日：2005-01-06

申请号：US10807285

申请日：2004-03-24

Applicant: In Lee ,  Jun Lee ,  Dong Shin ,  Seung Lee ,  Cheol Kim ,  Valery Krasnoslobodtsev

Inventor： In Lee ,  Jun Lee ,  Dong Shin ,  Seung Lee ,  Cheol Kim ,  Valery Krasnoslobodtsev

IPC: F04C18/00 ,  F04C18/356 ,  F04C28/04 ,  F04C28/22 ,  F04C29/00 ,  F03C2/00

CPC classification number: F04C28/22 ,  F04C28/04 ,  F04C29/0057

Abstract: A variable capacity rotary compressor is designed to prevent eccentric bushes from slipping during a compression operation, thus preventing noise from being generated and increasing durability. The compressor includes a housing to define two compression chambers having different capacities therein. A rotating shaft is rotated in the compression chambers. Two eccentric cams are mounted to the rotating shaft. Two eccentric bushes are rotatably fitted over the eccentric cams. Two rollers are rotatably fitted over the eccentric bushes. Two vanes are installed in the compression chambers to be reciprocated in a radial direction of the rotating shaft. A cylindrical connecting part integrally connects the eccentric bushes to each other, with a locking slot being provided around the connecting part. A locking pin is mounted to the rotating shaft to project from the rotating shaft, and is locked by either of opposite ends of the locking slot, according to a rotating direction of the rotating shaft, thus making one of the eccentric bushes eccentric from the rotating shaft while making a remaining one of the eccentric bushes be released from eccentricity from the rotating shaft. A restraining unit outwardly moves from the rotating shaft by a centrifugal force when the rotating shaft is rotated, to restrain the connecting part.

Abstract translation: 可变容量的旋转压缩机被设计成在压缩操作期间防止偏心衬套滑动，从而防止产生噪音并提高耐久性。 压缩机包括用于限定其中具有不同容量的两个压缩室的壳体。 旋转轴在压缩室中旋转。 两个偏心凸轮安装在旋转轴上。 两个偏心衬套可旋转地安装在偏心凸轮上。 两个滚筒可旋转地安装在偏心衬套上。 两个叶片安装在压缩室中以在旋转轴的径向方向上往复运动。 圆筒形连接部将偏心衬套彼此一体地连接，并且在连接部周围设置锁定槽。 锁定销安装在旋转轴上，从旋转轴突出，并且根据旋转轴的旋转方向被锁定槽的相对端中的任一个锁定，从而使一个偏心衬套偏离旋转 同时使剩下的一个偏心衬套从旋转轴的偏心力释放。 当旋转轴旋转时，限制单元通过离心力从旋转轴向外移动，以限制连接部。