<p>A rolling piston type compressor is disclosed, which has a rolling piston (02) in eccentric rotation provided in a cylinder (05), a blade (06) coming out and coming in along with the rotation of said pistion, that is so as to partition the inside of said cylinder into an inlet space side and a compression space side wherein fluid sucked in from an inlet port (31) in communication with said inlet space side is compressed and then discharged from a discharge port (30) in communication with said compression space side, whereby the bypass hole is opened at or in the vicinity of a discharge port of the compressor and the capacity of the compressor is made to be controllable in the range of one hundred to substantially zero percent.</p>
