IP Library Granted Patent US 10,801,157
Granted Patent B2
US 10,801,157 · App. 15/540,881 · Granted Oct 13, 2020

Washing/drying machine with a device for cleaning an air filter

Inventor: Giovanni Bombardieri (Albino, IT)
Assignee: Whirlpool EMEA S.p.A.
D06F58/10B08B3/02B08B3/04D06F25/00D06F39/10D06F58/22D06F58/24D06F58/30D06F39/083
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Quick Facts
Patent No.
US 10,801,157
App. No.
15/540,881
Granted
Oct 13, 2020
Kind
B2
Abstract

The invention relates to a washing/drying machine equipped with a filter cleaning device for removing filaments released by laundry items during the washing/drying cycle. For this purpose, the cleaning device comprises nozzles that spray water onto the filtering walls, on the side thereof facing towards the drying tub.

Claims (15)

1. A washing/drying machine comprising:

a washing/drying chamber;

a basket housed in said chamber for loading laundry to be treated;

an air circuit comprising an intake channel, a delivery channel and a fan arranged between the intake channel and the delivery channel, for circulating air taken in from the chamber, the intake channel having a cylindrical geometry forming an intake port in communication with an aperture formed in a back wall of the chamber;

a filter comprising:

a cage-like structure having a cylindrical geometry complimentary in shape to the intake port in the intake channel and configured to be inserted in the intake port;

a filtering wall arranged about the cylindrical geometry of the cage-like structure; and

a crown having a cylindrical structure comprising a plurality of water nozzles distributed about a periphery of the crown, the crown configured to connect to the cage-like structure for jetting water onto a side of the filter facing toward the chamber where filaments get depoisted during circulation of air in the air circuit;

the cage-like structure and the crown configured to be secured to the cylindrical geometry forming the intake port in the intake channel.

2. The washing/drying machine according to claim 1 , wherein water is jetted against the filtering wall tangential thereto.

3. The washing/drying machine according to claim 2 , further comprising a hydraulic circuit for supplying water to the plurality of water nozzles.

4. The washing/drying machine according to claim 3 , wherein the hydraulic circuit for recirculating water coming from the chamber and/or from the air circuit, to be supplied to the nozzles.

5. The washing/drying machine according to claim 1 , wherein the water nozzles are defined by a plurality of protrusions extending from and positioned around the periphery of the crown.

6. The washing/drying machine according to claim 1 , wherein the crown comprises one or more appendices extending from a base of the crown.

7. The washing/drying machine according to claim 6 , wherein the cage-like structure comprises at least one slot for engaging the one or more appendices of the crown.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 19, 2018
From: BOMBARDIERI, GIOVANNI
To: WHIRLPOOL EMEA S.P.A.
Reel/Frame 045275/0723 →
MERGER AND CHANGE OF NAME Recorded Mar 19, 2018
From: WHIRLPOOL EUROPE S.R.L.; INDESIT COMPANY S.P.A.
To: WHIRLPOOL EMEA S.P.A.
Reel/Frame 045639/0878 →
Priority Claims (1)
IT TO2014A1121 · Dec 30, 2014 · national
Continuity (1)
Related Publication 20170350063A1 · Dec 7, 2017