1results about How to "Avoid pivoting" patented technology

The present invention relates to a side-channel compressor (1) for compressing a gaseous medium for a fuel cell system (2), the side-channel compressor having a housing having a first housing component (3) and a second housing component (4), wherein the first housing component (3) has a bearing journal (5) extending along a rotation axis (R), the bearing journal having a journal root section (6) and a journal main section (7), wherein a bearing inner ring (8) of a bearing device (9) is arranged on the journal main section (7), wherein the bearing device (9) has a first bearing (19) and a second bearing (20), wherein a compressor wheel structure assembly (10) is arranged on the bearing outer ring (11) of the bearing device (9) in a manner rotatable about the rotation axis (R). According to the invention, the compressor wheel assembly (10) has an additional cap-shaped sealing element (13) on its end side facing the second housing component (4), particularly on the first end face (30), which at least almost completely covers the bearings (19, 20) and / or the bearing assembly (9) in a manner orthogonal to the axis of rotation (R), wherein the cap-shaped sealing element (13) is at least indirectly connected to the hub (16), thereby enabling fluid encapsulation of the internal space (27) of the hub (16) relative to the environment (29) of the compressor wheel assembly (10). Furthermore, the invention relates to a fuel cell system (2) having a side-channel compressor (1) according to the invention.