IP Library Granted Patent US 11,235,082
Granted Patent B2
US 11,235,082 · App. 16/754,212 · Granted Feb 1, 2022

Humidifier with disinfection unit

Inventors: Bao Wang (Nanjing, CN); Michael Martin Scheja (Shanghai, CN); John Robert McGarva (Newton Stewart, GB)
Assignee: KONINKLIJKE PHILIPS N.V.
A61L9/20B01F3/04F24F3/14F24F6/16F24F8/22A61L2202/11F24F2006/008
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Quick Facts
Patent No.
US 11,235,082
App. No.
16/754,212
Granted
Feb 1, 2022
Kind
B2
Abstract

Presented is a humidifier, comprising: a rotatable wick; a means for rotating the wick; characterized in that: the humidifier further comprises a disinfection unit adapted such that different parts of the wick are disinfected when the wick rotates.

Claims (20)

1. A humidifier, comprising:

a rotatable wick;

a means for rotating the wick; and

a disinfection unit adapted such that different parts of the wick are disinfected when the wick rotates.

2. The humidifier according to claim 1 , further comprising a water tank, wherein the wick is located at least partly in the water tank, and wherein the disinfection unit is positioned for disinfecting content of the water tank.

3. The humidifier according to claim 2 , wherein a first element of the disinfection unit is located near an outer surface of the water tank such that the wick, the water tank, and the content of the water tank are disinfected when the humidifier is activated.

4. The humidifier according to claim 3 , wherein the water tank is hollow-cylindrically shaped and wherein a second element of the disinfection unit is located near an outer surface of the water tank inside a hollow part of the water tank such that the wick, the water tank, and the content of the water tank are disinfected when the humidifier is activated.

5. The humidifier according to claim 1 , wherein the means is motor-less and configured for rotating the wick when an air flow is generated in the humidifier.

6. The humidifier according to claim 1 ,

wherein the means is located in an air flow path inside the humidifier; and

wherein the means is configured for converting a force exerted by an air flow in the air flow path on the means into a rotational force for rotating the wick.

7. The humidifier according to claim 6 , wherein the means comprises wind blades coupled to the wick such that the wick rotates when the wind blades rotate.

8. The humidifier according to claim 1 , wherein the wick is hollow-cylindrically shaped, and wherein at least a part of the means is located inside hollow part of the wick.

9. The humidifier according to claim 1 , wherein the means comprises a motor.

10. The humidifier according to claim 1 , wherein the wick partially floats in water when immersed.

11. The humidifier according to claim 1 , wherein the disinfection unit comprises a light source, and wherein the light source is located upstream of the wick such that air propagating through the humidifier is heated before passing through the wick.

12. The humidifier according to claim 11 , wherein the light source is coupled to a heat sink.

13. The humidifier according to claim 1 , wherein the disinfection unit comprises an array of light emitting diodes.

14. The humidifier according to claim 1 , further comprising an air pollutant filter located upstream of the wick.

15. The humidifier according to claim 1 , wherein the disinfection unit comprises electromagnetic radiation sources comprising one or more of the following sources: UVA, UCB, or UVC, 405 nm, or IR.

Assignments (2)
NUNC PRO TUNC ASSIGNMENT Recorded Aug 17, 2023
From: KONINKLIJKE PHILIPS N.V.
To: VERSUNI HOLDING B.V.
Reel/Frame 064618/0115 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 7, 2020
From: WANG, BAO; SCHEJA, MICHAEL MARTIN; MCGARVA, JOHN ROBERT
To: KONINKLIJKE PHILIPS N.V.
Reel/Frame 052330/0975 →
Priority Claims (2)
WO PCT/CN2017/106002 · Oct 13, 2017 · international
EP 18174776 · May 29, 2018 · regional
Continuity (1)
Related Publication 20210187150A1 · Jun 24, 2021