Patent ID: 11913658
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 14:
15. An air purifier comprising:
a main body having an inlet; and
a discharge device mounted on the main body and configured to receive air introduced into the main body through the inlet and discharge the air from the air purifier,
wherein the discharge device includes:
a discharge opening located at an upper side of the discharge device;
a first case fixed to the main body and having a first discharge portion including a first plurality of discharge holes, wherein each discharge hole of the first plurality of discharge holes has a size smaller than a size of the discharge opening;
a second case disposed to cover the first case, and having a second discharge portion disposed to be opposite to the first discharge portion to cover the first discharge portion and including a second plurality of discharge holes, wherein each discharge hole of the second plurality of discharge holes has a size smaller than the size of the discharge opening; and
an opening and closing member including a portion having a size and shape corresponding to the discharge opening, and configured to move out of the discharge opening and into the discharge opening in a vertical direction to open and close the discharge opening,
wherein the second case is moveable with respect to the first case in a vertical direction so that the second discharge portion to enabled to uncover a portion of the first discharge portion,
wherein at least the first discharge portion and the second discharge portion has an air discharging area that increases as the second case moves in a direction away from the first case, and decreases as the second case moves in a direction toward the first case.