Patent ID: 7066723
Filing Date: 2006-06-27
Classification: F04C

Abstract:
1. A scroll compressor, comprising: an orbiting scroll connected to a driving unit through a rotational shaft, having a first key groove surrounded by the orbiting scroll and opening into the bottom surface of the orbiting scroll and performing an orbiting operation; a main frame for supporting the orbiting scroll so as to perform the orbiting operation and having a second key groove at the top surface; an oldhams ring arranged between the main frame and the orbiting scroll and having a first oldhams ring key and a second oldhams ring key at the top and bottom surfaces so as to be inserted into the first and second key grooves respectively; and a reversion preventive device installed at the second key groove on the main frame in order to prevent the reverse operation of the orbiting scroll by stopping the movement of the second oldhams ring key in the reverse operation of the orbiting scroll.