Patent ID: 7229261
Filing Date: 2007-06-12
Classification: F04C

Abstract:
1. A scroll compressor in which a fixed scroll having a scroll lap and an orbiting scroll having an end plate and a scroll lap are meshed with each other such that the laps of the scrolls come inside, said orbiting scroll turns in a state in which rotation of the orbiting scroll is prevented, a thrust force when the orbiting scroll turns is supported by sliding surfaces between said end plate and said fixed scroll by back pressure force applied to a back surface of said orbiting scroll, wherein a surface of said fixed scroll opposed to said end plate of said orbiting scroll outside of the scroll lap of said fixed scroll is formed with: a substantially annular seal portion which extends such as to have an outer wall surface outwardly extending from an inner wall surface of outermost periphery of said scroll lap of said fixed scroll along the inner wall surface, and which comes into slide contact with said end plate of said orbiting scroll; a substantially annular recess located outside of said substantially annular seal portion; and a recess which is brought into communication with an intake port of said fixed scroll independently from said substantially annular recess.