Scroll compressor

A scroll compressor comprising:

• a stationary fixed scroll (200), the fixed scroll (200) comprising a fixed disk body (210) having a central outlet (230) and a fixed scroll body (220) protruding from a surface of the fixed disk body (210);
• and
• a movable orbiting scroll (300), the orbiting scroll (300) comprising an orbiting disk body (310) and an orbiting scroll body (320) protruding from a surface of the orbiting disk body (310),
• wherein the fixed scroll body (220) and the orbiting scroll body (320) respectively extend along an involute line and engage with each other to define a plurality of working chambers, the plurality of working chambers comprising a first working chamber (b1) near an inner end of the orbiting scroll body (320) and defined between an outer sidewall of the orbiting scroll body (320) and an inner sidewall of the fixed scroll body (220) and a second working chamber (b2) near an inner end of the fixed scroll body (220) and defined between an outer sidewall of the fixed scroll body (220) and an inner sidewall of the orbiting scroll body (320), and
• wherein the fixed scroll (200) and/or the orbiting scroll (300) is provided with an auxiliary groove (700) configured to connect the second working chamber (b2) to the central outlet (230) when the first working chamber (b1) is connected to the central outlet (230).