Mixed flow fan module and portable air purifier with mixed flow fan module

A portable air purifier comprising a mixed flow fan module, the portable air purifier comprising:

• a mixed flow fan module comprising a fan housing having an outer surface that is curved along a circumferential direction and defining an operation space, a fan rotatably disposed inside of the fan housing, and a fan base coupled to the fan housing and configured to guide air toward the fan;
• a housing defining a cylindrical inner flow path in contact with the fan housing and that extends vertically, configured to accommodate the mixed flow fan module, and comprising an inlet defined at a lower portion of the mixed flow fan module and through which air is suctioned;
• and
• a filter accommodated inside of the housing, disposed on at least one of a lower surface or an upper surface of the mixed flow fan module, and configured to purify air.

A portable air purifier comprising a mixed flow fan module, the portable air purifier comprising:

• a mixed flow fan module comprising a fan housing having an outer surface that is curved along a circumferential direction and defining an operation space, a fan rotatably disposed inside of the fan housing, and a fan base coupled to the fan housing and configured to guide air toward the fan;
• a cylindrical housing defining an inner flow path in contact with the fan housing and that extends vertically, configured to accommodate the mixed flow fan module, and comprising an inlet defined at a lower portion of the mixed flow fan module and through which air is suctioned;
• a battery configured to provide power for the mixed flow fan module;
• a filter accommodated inside of the cylindrical housing, disposed upstream of the mixed flow fan module, and configured to purify air;
• and
• a discharger disposed downstream of the mixed flow fan module and configured to discharge purified air.