Compressor housing and two-stage turbocharger thereof

摘要

A compressor housing surrounds an impeller of a compressor, compressing and discharging air suctioned from the impeller, the compressor may include a body having an impeller seating portion where the impeller is installed at the center of the body, an air inflow hole being in communication with the impeller seating portion formed at one side of the body, an air outflow hole formed at the other side of the body, and a scroll-shaped air path being in communication with the air inflow hole to the air outflow hole while surrounding the impeller seating portion, and a cooling chamber provided in the body, which has a cooling water path through which cooling water cooling air that flows on the air path flows and a plurality of exits being in communication with the cooling water path.

主权项

1. A compressor housing of a turbocharger surrounding an impeller of a compressor, and compressing and discharging air suctioned from the impeller, comprising:
a body including:
an impeller seating portion mounting the impeller at a center of the body,an air inflow hole in communication with the impeller seating portion formed at a first side of the body,an air outflow hole formed at a second side of the body, anda scroll-shaped air path in communication with the air inflow hole to the air outflow hole and surrounding the impeller seating portion; and a cooling chamber provided in the body and including:
a cooling water path through which cooling water flows and cools air flowing on the air path, anda plurality of exits in communication with the cooling water path, wherein the cooling chamber includes an annular shape having two ends, the two ends adjacent and separated from each other, wherein the plurality of exits includes two exits, the two exits respectively provided at the two ends of the cooling chamber, and wherein a full body of the cooling water path is disposed between the air inflow hole and the scroll-shaped air path.