IP Library Granted Patent US 11,339,985
Granted Patent B2
US 11,339,985 · App. 17/017,035 · Granted May 24, 2022

Air purifier

Inventors: Eiichi Shimizu (Sakai, JP); Jinni Zhang (Sakai, JP); Takashi Kohama (Sakai, JP); Masaki Tabata (Sakai, JP); You Ka (Sakai, JP); Shota Suzuki (Sakai, JP)
Assignee: SHARP KABUSHIKI KAISHA
F24F8/10B01D46/0005B01D46/0036B01D46/0038B01D46/4227B01D46/4254F24F3/14B01D2279/50F24F8/50
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,339,985
App. No.
17/017,035
Granted
May 24, 2022
Kind
B2
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.

Claims (24)

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.

Assignments (2)
CORRECTIVE ASSIGNMENT TO CORRECT THE SECOND INVENTOR'S NAME PREVIOUSLY RECORDED AT REEL: 053735 FRAME: 0762. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Apr 20, 2021
From: SHIMIZU, EIICHI; ZHANG, JINNI; KOHAMA, TAKASHI; TABATA, MASAKI; KA, YOU; SUZUKI, SHOTA
To: SHARP KABUSHIKI KAISHA
Reel/Frame 056106/0846 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 10, 2020
From: SHIMIZU, EIICHI; ZHNAG, JINNI; KOHAMA, TAKASHI; TABATA, MASAKI; KA, YOU; SUZUKI, SHOTA
To: SHARP KABUSHIKI KAISHA
Reel/Frame 053735/0762 →
Priority Claims (1)
JP JP2019-167021 · Sep 13, 2019 · national
Continuity (1)
Related Publication 20210080130A1 · Mar 18, 2021