Air purifier having sterilizing function

• US 20070137489A1
• Filed: 11/30/2006
• Published: 06/21/2007
• Est. Priority Date: 12/15/2005
• Status: Abandoned Application

• Current Assignee: GD Midea Holding Co., Ltd. (Midea Group Co., Ltd)
• Original Assignee: GD Midea Holding Co., Ltd. (Midea Group Co., Ltd)
• Inventors: Luo, Xiaohua
• Application Number:
  US11/606,720
• Publication Number:
  US 20070137489A1
• Time in Patent Office: Days
• US Class Current: 96/224
• CPC Class Codes: A61L 9/16 using physical phenomena
• CPC Class Codes: A61L 9/20 Ultraviolet radiation
• CPC Class Codes: B01D 2265/028 Snap, latch or clip connecting means
• CPC Class Codes: B01D 2273/30 Means for generating a circulation of a fluid in a filtration system, e.g. using a pump or a fan
• CPC Class Codes: B01D 2279/65 for the sterilisation of air disinfection, sterilisation or deodorization of air A61L9/00
• CPC Class Codes: B01D 46/0036 by adsorption or absorption
• CPC Class Codes: B01D 46/10 Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
• CPC Class Codes: B01D 46/58 connected in parallel

Abstract

The invention provides an air purifier having sterilizing function, comprising a vertically standing main frame, a front cover provided with air outlets, a blower assembly installed inside the main frame, and a control panel provided on the main frame, wherein the main frame has air inlets, an inlet grille is provided at a position corresponding to the air inlets, and an outlet grille is provided at a position corresponding to the air outlets of the front cover, and wherein a sterilizing device is provided under the blower assembly.

Claims

1. An air purifier having sterilizing function, comprising a vertically standing main frame, a front cover provided with air outlets, a blower assembly installed inside the main frame, and a control panel provided on the main frame, wherein the main frame has air inlets, an inlet grille is provided at a position corresponding to the air inlets, and an outlet grille is provided at a position corresponding to the air outlets of the front cover, and wherein a sterilizing device is provided under the blower assembly.

2. The air purifier of claim 1 wherein the sterilizing device comprises an ultra-violet lamp emitting C-band ultra-violet light.

3. The air purifier of claim 1 wherein the blower assembly comprises a double-shaft motor, a double-entry penetrate-flow type blower wheel mounted to each shaft of the motor, and an airflow passage member being fixedly mounted and surrounding each of the blower wheels.

4. The air purifier of claim 3 wherein each blower wheel comprises a wheel body and blade means extending from the wheel body to the opposite axial ends of the blower wheel.

5. The air purifier of claim 4 wherein the blower wheels are similar to each other in structure and each comprises a wheel mounting sleeve provided at the center of the wheel body and including a through hole, and each blower wheel is fixedly mounted to a corresponding shaft of the motor by means of its wheel mounting sleeve.

6. The air purifier of claim 1 wherein the inlet grille is provided with a snap locking means at its top portion, the snap locking means comprises an elastically deflection portion and a snap protrusion formed on the middle part of the deflection portion, and the inlet grille is snap engage with the main frame by the snap protrusion.

7. The air purifier of claim 4 wherein the deflection portion extends outwardly and is ended with a grasping portion, the grasping portion being pushed when detaching the inlet grille.

8. The air purifier of claim 7 wherein the side of the main frame which fits with the inlet grille is formed with two filter receiving compartments each containing a filter assembly, and each of the filter assemblies comprises a pre-filter, a HEPA filter and an activated carbon filter.

9. The air purifier of claim 8 wherein each of the filter receiving compartment comprises a holding grille which allows airflow to pass through, and sidewalls extending outwardly from the holding grille to form a filter receiving space for arranging a filter assembly, at least one of the sidewalls is formed with a notch for facilitating the detach of the filter assembly.

10. The air purifier of claim 8 wherein the main frame comprises a handle portion.

11. The air purifier of claim 2 wherein the inlet grille is provided with a snap locking means at its top portion, the snap locking means comprises an elastically deflection portion and a snap protrusion formed on the middle part of the deflection portion, and the inlet grille is snap engage with the main frame by the snap protrusion.

12. The air purifier of claim 3 wherein the inlet grille is provided with a snap locking means at its top portion, the snap locking means comprises an elastically deflection portion and a snap protrusion formed on the middle part of the deflection portion, and the inlet grille is snap engage with the main frame by the snap protrusion.

13. The air purifier of claim 4 wherein the inlet grille is provided with a snap locking means at its top portion, the snap locking means comprises an elastically deflection portion and a snap protrusion formed on the middle part of the deflection portion, and the inlet grille is snap engage with the main frame by the snap protrusion.

14. The air purifier of claim 5 wherein the inlet grille is provided with a snap locking means at its top portion, the snap locking means comprises an elastically deflection portion and a snap protrusion formed on the middle part of the deflection portion, and the inlet grille is snap engage with the main frame by the snap protrusion.