Optimized drying cycle across a pair of laundry appliances

Patent metadata

Field	Value
Publication number	US-11634848-B2
Application number	US-202117319600-A
Country	US
Kind code	B2
Filing date	May 13, 2021
Priority date	May 13, 2021
Publication date	Apr 25, 2023
Grant date	Apr 25, 2023

Abstract

A method of operating a pair of laundry appliances is provided. The pair of laundry appliances includes a washing machine appliance and a dryer appliance. The method includes determining a first moisture extraction curve of a spin cycle of the washing machine appliance and determining a second moisture extraction curve of the dryer appliance. The method further includes rotating a basket of the washing machine appliance at an extraction speed for a predetermined period of time. The predetermined period of time is based on the first moisture extraction curve and the second moisture extraction curve.

First claim

What is claimed is:

1. A method of operating a pair of laundry appliances comprising a washing machine appliance and a dryer appliance, the method comprising:
determining a first moisture extraction curve of remaining moisture content over time of a spin cycle of the washing machine appliance;
determining a second moisture extraction curve of remaining moisture content over time of the dryer appliance; and
rotating a basket of the washing machine appliance at an extraction speed for a predetermined period of time, the predetermined period of time based on the first moisture extraction curve and the second moisture extraction curve.

2. The method of claim 1 , wherein the predetermined period of time corresponds to the time at which a slope of the first moisture extraction curve is approximately equal to a slope of the second moisture extraction curve.

3. The method of claim 1 , wherein the second moisture extraction curve is preprogrammed into a memory of a controller of the dryer appliance.

4. The method of claim 3 , wherein the washing machine appliance is communicatively coupled with the dryer appliance, the method further comprising transmitting the second moisture extraction curve to the washing machine appliance from the dryer appliance and receiving the second moisture extraction curve from the dryer appliance by the washing machine appliance.

5. The method of claim 1 , wherein the step of determining the first moisture extraction curve is performed by the washing machine appliance and is based on a load of articles within a basket of the washing machine appliance.

6. The method of claim 5 , wherein determining the first moisture extraction curve by the washing machine appliance is based on a load type of the load of articles within the basket, and wherein the load type is determined based on mass of the articles and absorbency of the articles.

7. The method of claim 5 , wherein the second moisture extraction curve is preprogrammed into a memory of a controller of the dryer appliance.

8. The method of claim 7 , wherein the washing machine appliance is communicatively coupled with the dryer appliance, the method further comprising transmitting the second moisture extraction curve to the washing machine appliance from the dryer appliance and receiving the second moisture extraction curve from the dryer appliance by the washing machine appliance.

9. The method of claim 8 , further comprising comparing, by a controller of the washing machine appliance, the first moisture extraction curve determined by the washing machine appliance with the second moisture extraction curve received from the dryer appliance, and determining the predetermined period of time, by the controller of the washing machine appliance, based on the comparison of the first moisture extraction curve with the second moisture extraction curve.

10. A pair of laundry appliances comprising a washing machine appliance and a dryer appliance, the pair of laundry appliances configured to:
determine a first moisture extraction curve of remaining moisture content over time of a spin cycle of the washing machine appliance;
determine a second moisture extraction curve of remaining moisture content over time of the dryer appliance; and
rotate a basket of the washing machine appliance at an extraction speed for a predetermined period of time, the predetermined period of time based on the first moisture extraction curve and the second moisture extraction curve.

11. The pair of laundry appliances of claim 10 , wherein the predetermined period of time corresponds to the time at which a slope of the first moisture extraction curve is approximately equal to a slope of the second moisture extraction curve.

12. The pair of laundry appliances of claim 10 , wherein the second moisture extraction curve is preprogrammed into a memory of a controller of the dryer appliance.

13. The pair of laundry appliances of claim 12 , wherein the washing machine appliance is communicatively coupled with the dryer appliance, whereby the dryer appliance is configured to transmit the second moisture extraction curve to the washing machine appliance and the washing machine appliance is configured to receive the second moisture extraction curve from the dryer appliance.

14. The pair of laundry appliances of claim 10 , wherein the washing machine appliance is configured to determine the first moisture extraction curve based on a load of articles within a basket of the washing machine appliance.

15. The pair of laundry appliances of claim 14 , wherein the washing machine appliance is configured to determine the first moisture extraction curve based on a load type of the load of articles within the basket, and wherein the load type is determined based on mass of the articles and absorbency of the articles.

16. The pair of laundry appliances of claim 14 , wherein the second moisture extraction curve is preprogrammed into a memory of a controller of the dryer appliance.

17. The pair of laundry appliances of claim 16 , wherein the washing machine appliance is communicatively coupled with the dryer appliance, whereby the dryer appliance is configured to transmit the second moisture extraction curve to the washing machine appliance and the washing machine appliance is configured to receive the second moisture extraction curve from the dryer appliance.

18. The pair of laundry appliances of claim 17 , wherein the controller of the washing machine appliance is configured to compare the first moisture extraction curve determined by the washing machine appliance with the second moisture extraction curve received from the dryer appliance, and to determine the predetermined period of time based on the comparison of the first moisture extraction curve with the second moisture extraction curve.

Assignees

• Haier Us Appliance Solutions Inc

Inventors

• Holzen Thomas

Classifications

• D06F2105/48

  Drum speed · CPC title

• D06F33/40

  of centrifugal separation of water from the laundry · CPC title

• D06F2103/04

  Quantity, e.g. weight or variation of weight · CPC title

• D06F2103/08

  Humidity · CPC title

• D06F33/60

  of centrifugal separation of water from the laundry · CPC title