Air purifier

Patent metadata

Field	Value
Publication number	US-11339985-B2
Application number	US-202017017035-A
Country	US
Kind code	B2
Filing date	Sep 10, 2020
Priority date	Sep 13, 2019
Publication date	May 24, 2022
Grant date	May 24, 2022

Abstract

An air purifier includes: a housing; a fan in the housing; an outlet in a top face of the housing, air being blown out via the outlet; an air passage spatially connecting the fan to the outlet; and an illumination unit configured to illuminate the air passage, wherein the air passage includes an upstream, first air passage and a downstream, second air passage, the first air passage extends upwards, the second air passage has a curved surface or an inclined surface inclined with respect to the first air passage, and the illumination unit illuminates the curved surface or the inclined surface.

First claim

What is claimed is:

1. An air purifier comprising:
a housing;
a fan in the housing;
an outlet in a top face of the housing, air being blown out via the outlet;
an air passage spatially connecting the fan to the outlet; and
an illumination unit configured to illuminate the air passage, wherein
the air passage includes an upstream, first air passage and a downstream, second air passage, the first air passage extends upwards,
the second air passage has a curved surface or an inclined surface inclined with respect to the first air passage, and
the illumination unit emits light toward the curved surface or the inclined surface.

2. The air purifier according to claim 1 , wherein the curved surface or the inclined surface is formed so as to expand toward the outlet.

3. The air purifier according to claim 1 , further comprising a louver configured to change a direction of the air, wherein the illumination unit is mounted to the louver.

4. The air purifier according to claim 3 , wherein the illumination unit is disposed on a rear side of the louver.

5. The air purifier according to claim 1 , wherein the outlet has a front-side edge portion and a rear-side edge portion higher than the front-side edge portion.

6. An air purifier comprising:
a housing;
a fan in the housing;
an outlet in a top face of the housing, air being blown out via the outlet;
an air passage spatially connecting the fan to the outlet;
an illumination unit configured to illuminate the air passage; and
a louver configured to change a direction of the air, wherein
the air passage includes an upstream, first air passage and a downstream, second air passage, the first air passage extends upwards,
the second air passage has a curved surface or an inclined surface inclined with respect to the first air passage, and
the illumination unit is mounted to the louver and illuminates the curved surface or the inclined surface.

7. The air purifier according to claim 6 , wherein the illumination unit is disposed on a rear side of the louver.

Assignees

• Sharp Kk

Inventors

• Shimizu Eiichi
• Zhang Jinni
• Kohama Takashi
• Tabata Masaki
• Ka You
• Suzuki Shota

Classifications

• F24F3/14

  by humidification; by dehumidification · CPC title

• B01D2279/50

  for air conditioning · CPC title

• F24F8/50

  by odorisation · CPC title

• B01D2273/30

  Means for generating a circulation of a fluid in a filtration system, e.g. using a pump or a fan · CPC title

• B01D46/4227

  Manipulating filters or filter elements, e.g. handles or extracting tools · CPC title