Air purifier

Patent metadata

Field	Value
Publication number	US-2021010699-A1
Application number	US-202017032160-A
Country	US
Kind code	A1
Filing date	Sep 25, 2020
Priority date	Jan 19, 2018
Publication date	Jan 14, 2021
Grant date	—

Abstract

An air purifier includes a display mounted between a front panel of a cabinet of the air purifier and an upper panel of the cabinet. The front panel includes a door which is configured and supported to be drawn in to the cabinet toward the display or drawn out from the cabinet away from the display. A display module including the display is disposed below the upper panel.

First claim

1 . (canceled)

2 . An air purifier comprising:
a cabinet having an open front side; an upper panel forming an upper surface of the cabinet; a door assembly configured to move in and out from the open front side of the cabinet; an air filter assembly accommodated in the door assembly; and a display module provided in the cabinet, positioned in front of the upper panel and configured to display operation information, wherein the display module is configured to move in a same direction as a moving direction of the door assembly.

3 . The air purifier according to claim 2 , further comprising:
a door panel forming a front surface of the door assembly, wherein the door panel is made from a same material as the upper panel.

4 . The air purifier according to claim 3 , wherein the door panel and the upper panel are made from wood.

5 . The air purifier according to claim 3 , wherein a front surface of the display module is configured to contact a rear surface of the door panel when the door assembly is inserted into the cabinet.

6 . The air purifier according to claim 2 , wherein an upper end of the door assembly is positioned higher than the display module.

7 . The air purifier according to claim 2 , further comprising:
side panels forming both sides of the cabinet, wherein each of the side panels is made from a material different from that of the upper panel.

8 . The air purifier according to claim 2 , wherein the display module is configured to move in a direction away from the door assembly when an external force is applied to the display module.

9 . The air purifier according to claim 8 , wherein the display module is configured to move in a direction closer to the door assembly when the external force is removed.

10 . The air purifier according to claim 9 , wherein the display module is configured to return to an existing position by an elastic force when the external force is removed.

11 . The air purifier according to claim 2 , further comprising:
an electric plate disposed inside the cabinet and configured to support the display module, wherein the display module includes a display and an input unit for displaying information, and the display and the input unit are configured to be exposed to an outside of the cabinet even when the display module is moved.

12 . An air purifier comprising:
a cabinet having an open front side; a door assembly configured to be inserted into the cabinet and withdrawn from the cabinet at the open front side of the cabinet; an electric plate disposed inside the cabinet; an air filter assembly mounted inside the door assembly and positioned under the electric plate when the door assembly is inserted into the cabinet; and a display module including a display for displaying information and an input unit configured for receiving inputs from a user, the display module being movably coupled to the electric plate so that the display and the input unit are exposed to an outside of the cabinet.

13 . The air purifier according to claim 12 , wherein the display module is configured to move in an insertion direction of the door assembly when the door assembly is inserted into the cabinet.

14 . The air purifier according to claim 12 , wherein the display module is installed in a front portion of the electric plate.

15 . The air purifier according to claim 12 , wherein the display module includes an elastic member configured for returning the display module to its original position after the display module is moved away from its original position.

16 . The air purifier according to claim 15 , wherein the display module further includes a guide protrusion protruding rearward to guide movement of the display module in a front and rear direction, and
the electric plate includes a guide rib protruding upward to support the guide protrusion.

17 . The air purifier according to claim 16 , wherein the guide protrusion includes:
a first guide protrusion extending rearward from a central portion of the display module; and a second guide protrusion extending rearward from both side portions of the display module, wherein the elastic member is fitted in the second guide protrusion.

18 . The air purifier according to claim 12 , wherein the electric plate includes a damper assembly configured to control a moving speed of the display module.

19 . The air purifier according to claim 18 , wherein the display module further includes a display groove positioned above the electric plate and forming a downwardly recessed surface,
wherein the damper assembly includes: a gear and a damper coupled with the display groove; and a damper guide interlocked with the gear to guide a movement of the damper in a front and rear direction;

20 . The air purifier according to claim 12 , wherein the display module further includes:
a display groove positioned above the electric plate and forming a downwardly recessed surface; and a guide slit formed in the display groove and opened in a vertical direction, wherein the guide slit extends in a front and rear direction.

21 . The air purifier according to claim 20 , wherein:
the electric plate includes release prevention portions passing through the guide slit and configured to restrict upward and downward movement of the display module, the release prevention portions include a washer inserted into the guide slit, wherein a diameter (D 1 ) of the washer is larger than a width (D 2 ) of the guide slit.

Assignees

• Lg Electronics Inc

Inventors

• Kim Sukchun
• Ku Myungjin
• Kim Taeyoon
• Lee Kunyoung
• Baek Sangkyun

Classifications

• H02J50/00

  Circuit arrangements or systems for wireless supply or distribution of electric power · CPC title

• F24F13/20 Primary

  Casings or covers · CPC title

• F24F8/80

  Self-contained air purifiers · CPC title

• F24F11/52

  Indication arrangements, e.g. displays · CPC title

• F24F2221/10

  combined with, or integrated in, furniture · CPC title