Provided is a supercharger (100) including: an impeller; a scroll casing formed so as to surround the outer circumferential side of the impeller; a bearing casing (20) arranged adjacent to the scroll casing; and coupling part (40) that couples the scroll c...

This supercharger gas casing is provided with a scroll part in which a plurality of scroll flow paths are formed at the same positions in the axial direction of a turbine. The plurality of scroll flow paths include a first scroll flow path. The first scrol...

A turbocharger includes: a bearing; a casing for accommodating the bearing; and a first thermometer including a first temperature sensor for measuring temperature of lubricant oil. The casing includes a lubricant oil discharge part having a lubricant oil o...