<p>The compressor (10) has a housing radially defining an annular flow channel (36). Guide vanes of a vane ring are held in the housing in a rotatably supported manner and extended through the channel. Each guide vane includes housing-sided and rotor-sided pivots (26) extending through the housing and projecting into an inner ring (32). The inner ring is formed as a split ring with two opposite ends, and comprises a spring element for bracing the split ring. The opposite ends of the split ring include recesses in which the spring element lies.</p>
