# US 12,006,610 B2 · Automatic drying cycle after execution of self clean cycle in a laundry appliance

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- Number: US 12,006,610 B2
- Document ID: US12006610B2
- Status: Granted
- Kind: B2
- Application number: 17/591,048
- Filed: 2022-02-02
- Published: 2023-08-03
- Granted: 2024-06-11
- Earliest claimed: 2022-02-02
- Assignees: Haier US Appliance Solutions, Inc.
- Applicants: Haier US Appliance Solutions, Inc.
- Inventors: Je Kwon Yoon; Seonghoon Ryu; Wonmyung Seo
- Web page: https://patentgrep.com/patent/US12006610B2

## CPC

- D06F 33/43: Control of cleaning or disinfection of washing machine parts, e.g. of tubs
- D06F 58/45: Cleaning or disinfection of machine parts, e.g. of heat exchangers or filters
- D06F 23/02: and rotating or oscillating about a horizontal axis
- D06F 34/28: Arrangements for programme selection, e.g. control panels therefor; Arrangements for indicating programme parameters, e.g. the selected programme or its progress
- D06F 39/06: Arrangements for preventing or destroying scum
- D06F 58/38: of drying, e.g. to achieve the target humidity
- D06F 25/00: Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air (control of washing or of washing and drying D06F33/00, D06F34/00; domestic laundry dryers D06F58/00)
- D06F 2103/34: Humidity
- D06F 2105/30: Blowers
- D06F 2105/32: Air flow control means
- D06F: LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES

## Abstract

A laundry appliance includes a drum rotatably mounted within a cabinet and defining a chamber configured for receiving a load of clothes, a door pivotally mounted to the cabinet for providing selective access to the chamber, and a user interface for controlling operation of the laundry appliance. A controller is configured to initiate a self-clean cycle and to automatically commence a drying cycle at the conclusion of the self-clean cycle. The drying cycle is based on operation data associated with the drying cycle, such as a predetermined period of time to complete drying or based on a predetermined final humidity of air exhausted from the chamber during the drying cycle.

## Claims

### Claim 1

A method of operating a laundry appliance, the laundry appliance comprising a drum rotatably mounted within a cabinet and defining a chamber, and a user interface, the method comprising:
commencing a self-clean cycle based on input from the user interface;
receiving a signal indicating completion of the self-clean cycle;
commencing a drying cycle based on the signal indicating completion of the self-clean cycle; and
executing the drying cycle based on operational data associated with drying cycle;
receiving an input from the user interface indicating the disabling of the drying cycle from automatically executing upon the completion of one or more future self-clean cycles, wherein a drying cycle does not automatically commence upon receiving a signal indicating completion of one or more future self-clean cycles.

### Claim 2 (depends on 1)

The method of claim 1, wherein the operational data associated with the drying cycle is a predetermined period of time after which the drying cycle is complete.

### Claim 3 (depends on 1)

The method of claim 1, wherein the laundry appliance further comprises a humidity sensor and wherein the operational data associated with the drying cycle is a predetermined humidity at which the drying cycle is complete.

### Claim 4 (depends on 3)

The method of claim 3, wherein the predetermined humidity is the humidity of the ambient air.

### Claim 5 (depends on 4)

The method of claim 4, wherein the method further comprises measuring the humidity of the ambient air outside the laundry appliance using the humidity sensor prior to commencing the self-clean cycle to determine the predetermined humidity.

### Claim 6 (depends on 3)

The method of claim 3, wherein the humidity sensor is positioned to read the humidity of air exhausted from the chamber.

### Claim 7 (depends on 1)

The method of claim 1, wherein the laundry appliance further comprises a fan for circulating air through the drum and wherein commencing the drying cycle further includes activating the fan and initiating rotation of the drum.

### Claim 8 (depends on 1)

The method of claim 1, wherein the laundry appliance further comprises a damper movable between a closed position and an open position, and wherein commencing the drying cycle further includes moving the damper to an open position.

### Claim 9 (depends on 1)

The method of claim 1, wherein the method further comprises interrupting the drying cycle based on input from the user interface.

### Claim 10

A method of operating a laundry appliance, the laundry appliance comprising a drum rotatably mounted within a cabinet and defining a chamber, a user interface, a damper having a plurality of openings, and a plurality of air intake openings, the method comprising:
commencing a self-clean cycle based on input from the user interface;
receiving a signal indicating completion of the self-clean cycle;
commencing a drying cycle based on the signal indicating completion of the self-clean cycle;
moving the damper from a closed position in which the plurality of openings of the damper do not align with the plurality of air intake openings to an open position in which the plurality of the damper do align with the plurality of air intake openings;
executing the drying cycle based on operational data associated with drying cycle and
receiving an input from the user interface indicating the disabling of the drying cycle from automatically executing upon the completion of one or more future self-clean cycles, wherein a drying cycle does not automatically commence upon receiving a signal indicating completion of one or more future self-clean cycles.

### Claim 11 (depends on 10)

The method of claim 10, wherein the operational data associated with the drying cycle is a predetermined period of time after which the drying cycle is complete.

### Claim 12 (depends on 10)

The method of claim 10, wherein the laundry appliance further comprises a humidity sensor and wherein the operational data associated with the drying cycle is a predetermined humidity at which the drying cycle is complete.

### Claim 13 (depends on 12)

The method of claim 12, wherein the predetermined humidity is the humidity of the ambient air.

### Claim 14 (depends on 12)

The method of claim 12, wherein the humidity sensor is positioned to read the humidity of air exhausted from the chamber.

### Claim 15 (depends on 14)

The method of claim 14, wherein the method further comprises measuring the humidity of the ambient air outside the laundry appliance using the humidity sensor prior to commencing the self-clean cycle to determine the predetermined humidity.

### Claim 16 (depends on 10)

The method of claim 10, wherein the laundry appliance further comprises a fan for circulating air through the drum and wherein commencing the drying cycle further includes activating the fan and initiating rotation of the drum.

### Claim 17 (depends on 10)

The method of claim 10, wherein the laundry appliance further comprises a damper movable between a closed position and an open position, and wherein commencing the drying cycle further includes moving the damper to an open position.

### Claim 18 (depends on 10)

The method of claim 10, wherein the method further comprises interrupting the drying cycle based on input from the user interface.
