Scroll compressor and refrigeration cycle device using same

摘要

The stationary scroll of a scroll compressor has: injection ports extending from the upper part of the stationary scroll to the compression chamber of the scroll compressor; and an injection piping unit provided on the injection ports in the upper part of the stationary scroll and supplying operating fluid to the injection ports. The injection piping unit has: main piping through which operating fluid supplied from the outside to the injection ports flows; lines of branch piping, each having one end connected to the main piping and the other end connected to one of the injection ports; and a joint member to which an end of the main piping and an end of each of the lines of branch piping are fitted and joined.