Patent ID: 7074023

Claim:
A scroll compressor, comprising spiral scroll laps provided on base plates of a fixed scroll and a movable scroll respectively, the movable scroll mounted so as to perform a swivel motion relative to the fixed scroll, the fixed scroll lap and the movable scroll lap are engaged with each other to form a suction chamber and compression chambers, a suction port communicating with the suction chamber is provided in the fixed scroll, a communication groove on the fixed scroll extending from the suction port to the suction chamber, a bottom of the communication groove inclining shallowly from the suction port side toward the suction chamber side, wherein at the time of forming a largest closed space in the compression chamber on an inner line side of a winding end portion of the movable scroll lap, the communication groove is formed in such a manner that an inside end portion thereof extends approximately in conformity with and along the inside of the inner line of the winding end portion.