Method for treating laundry in a clothes dryer
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
D06L-001/22
D06F-035/00
D06F-039/02
D06F-058/20
출원번호
US-0713489
(2010-02-26)
등록번호
US-8974546
(2015-03-10)
발명자
/ 주소
Ghosh, Kaustav
Latack, Thomas A.
McAllister, Karl D.
Pinkowski, Robert J.
Rao, Prithi A.
출원인 / 주소
Whirlpool Corporation
인용정보
피인용 횟수 :
0인용 특허 :
21
초록▼
A method for treating laundry in a clothes dryer having a rotating drum defining a treatment chamber that includes applying a treating chemistry, which may include a treating chemistry that benefits from uniform distribution, on the laundry and drying the laundry after the applying of the treating c
A method for treating laundry in a clothes dryer having a rotating drum defining a treatment chamber that includes applying a treating chemistry, which may include a treating chemistry that benefits from uniform distribution, on the laundry and drying the laundry after the applying of the treating chemistry.
대표청구항▼
1. A method of treating laundry in a clothes dryer having a rotating drum defining a treating chamber, the method comprising: determining a load amount or a fabric type of the laundry;determining an amount of equalizing liquid, based on the load amount or the fabric type, that will form a layer of t
1. A method of treating laundry in a clothes dryer having a rotating drum defining a treating chamber, the method comprising: determining a load amount or a fabric type of the laundry;determining an amount of equalizing liquid, based on the load amount or the fabric type, that will form a layer of the equalizing liquid on the laundry sufficient to equalize a surface energy of the laundry;forming the layer of the equalizing liquid on the laundry by applying the amount of equalizing liquid to the laundry to equalize the surface energy of the laundry;applying a treating chemistry on the layer of equalizing liquid after equalizing the surface energy; anddrying the laundry within the treating chamber. 2. The method of claim 1, wherein the determining the load amount or the fabric type of the laundry comprises manually selecting the load amount or the fabric type. 3. The method of claim 1, wherein the amount of equalizing liquid comprises an amount which will wet the laundry to a predetermined moisture content. 4. The method of claim 3, wherein the amount of equalizing liquid is based on at least the fabric type, and the predetermined moisture content is one that will saturate the most absorbent fabric in the fabric type. 5. The method of claim 1 wherein applying the amount of equalizing liquid to the laundry comprises spraying the equalizing liquid on the laundry. 6. The method of claim 1 wherein applying the amount of equalizing liquid to the laundry comprises applying the equalizing liquid when a moisture content of the laundry is less than 25%. 7. The method of claim 1 wherein the equalizing liquid is water. 8. The method of claim 1 wherein the treating chemistry comprises a chromophore. 9. The method of claim 1 wherein the treating chemistry comprises a mixture of a chromophore and water. 10. The method of claim 1 wherein drying the laundry comprises drying the laundry to a predetermined moisture content before forming the layer of the equalizing liquid on the laundry. 11. The method of claim 1 wherein drying the laundry further comprises supplying heated air at a first temperature and supplying heated air at a second temperature that is higher than the first temperature. 12. The method of claim 11 wherein the treating chemistry comprises a chromophore, and wherein the supplying heated air at the first temperature uniformly deposits the chromophore on the laundry and the supplying heated air at the second temperature dries the laundry. 13. The method of claim 1, wherein the treating chemistry comprises a stain-repellent chemical. 14. The method of claim 1, further comprising rotating the drum during at least a portion of forming a layer of the equalizing liquid on the laundry or applying the treating chemistry on the laundry. 15. The method of claim 1, wherein applying the treating chemistry comprises applying a predetermined amount of the treating chemistry to the laundry. 16. The method of claim 1, wherein at least a load amount of the laundry is determined, and wherein applying the treating chemistry comprises applying a predetermined amount of the treating chemistry based on the determined load amount. 17. The method of claim 1 wherein applying the treating chemistry comprises spraying the laundry with a liquid treating chemistry. 18. The method of claim 17 wherein spraying the liquid treating chemistry comprises spraying the liquid treating chemistry until a moisture content of the laundry is 10-25%. 19. A method of treating laundry in a clothes dryer having a rotating drum defining a treating chamber, the method comprising: determining a load amount or a fabric type of the laundry;determining an amount of liquid, based on the load amount or the fabric type, that will form a liquid transportation layer of the liquid on the laundry sufficient to equalize a surface energy of the laundry;forming the liquid transportation layer on the laundry by spraying the amount of liquid onto the laundry;applying a chromophore chemistry on the liquid transportation layer; anddrying the laundry after the applying of the chromophore chemistry. 20. The method of claim 19, wherein the determining the load amount or the fabric type of the laundry comprises manually selecting the load amount or the fabric type. 21. The method of claim 19, wherein the amount of liquid is based on at least the fabric type, and the amount of liquid is an amount that will saturate the most absorbent fabric in the fabric type. 22. The method of claim 19, wherein the spraying the amount of liquid onto the laundry comprises saturating the surface of the laundry with sprayed liquid. 23. The method of claim 19 wherein spraying the amount of liquid onto the laundry occurs for a predetermined time. 24. The method of claim 19 wherein spraying the amount of liquid comprises wetting the laundry to a predetermined moisture content. 25. The method of claim 19 wherein spraying the amount of liquid comprises spraying the laundry with the amount of liquid when a moisture content of the laundry is less than 25%. 26. The method of claim 19 wherein the liquid is water. 27. The method of claim 19 wherein the chromophore chemistry comprises a mixture of a chromophore and water. 28. The method of claim 19 wherein applying the chromophore chemistry comprises applying the chromophore chemistry until a moisture content of the laundry is 10-25%. 29. The method of claim 19 wherein drying the laundry comprises drying the laundry to a predetermined moisture content. 30. The method of claim 19 wherein drying the laundry further comprises supplying heated air at a first temperature to uniformly deposit the chromophore chemistry on the laundry and supplying heated air at a second temperature, higher than the first temperature, to dry the laundry. 31. The method of claim 30, wherein supplying heated air at the first temperature bonds molecules of the chromophore chemistry to the laundry. 32. The method of claim 19, further comprising rotating the drum during at least a portion of forming the liquid transportation layer on the laundry or applying the chromophore chemistry on the liquid transportation layer. 33. The method of claim 19 wherein the laundry is dry prior to forming the liquid transportation layer. 34. The method of claim 19 wherein applying the chromophore chemistry comprises spraying the laundry with the chromophore chemistry. 35. A method of treating laundry in a clothes dryer having a rotating drum defining a treating chamber, the method comprising: applying a treating chemistry containing chromophore molecules on the laundry in the treating chamber to form a treated laundry;supplying heated air at a first temperature to the treated laundry to uniformly deposit the chromophore molecules on the laundry; andafter supplying heated air at the first temperature, supplying heated air at a second temperature, higher than the first temperature, to the treated laundry to dry the laundry;wherein the first temperature is at or below a cloud point of the treating chemistry. 36. The method of claim 35 wherein applying the treating chemistry comprises equalizing a surface energy of the laundry within the treating chamber. 37. The method of claim 35 wherein applying the treating chemistry comprises applying a predetermined amount of the treating chemistry on the laundry. 38. The method of claim 35 wherein applying the treating chemistry occurs for a predetermined time. 39. The method of claim 35 wherein applying the treating chemistry comprises wetting the laundry to a predetermined moisture content. 40. The method of claim 35 wherein applying the treating chemistry comprises applying the treating chemistry until a moisture content of the laundry is 10-25%. 41. The method of claim 35 wherein the treating chemistry comprises a mixture of chromophore molecules and water. 42. The method of claim 35 wherein supplying heated air at the second temperature comprises drying the laundry to a predetermined moisture content. 43. The method of claim 35, wherein supplying heated air at the first temperature bonds the chromophore molecules to the laundry. 44. The method of claim 35, further comprising rotating the drum during the applying of the treating chemistry. 45. The method of claim 35, further comprising determining a load amount, wherein applying the treating chemistry comprises applying a predetermined amount of the treating chemistry based on the determined load amount. 46. The method of claim 35 wherein the laundry is dry prior to applying the treating chemistry. 47. The method of claim 35 wherein applying the treating chemistry comprises spraying the treating chemistry. 48. The method of claim 35, wherein supplying heated air at the first temperature comprises partially drying the laundry without evaporation of the treating chemistry. 49. The method of claim 35 wherein the first temperature is 100-120° F. 50. The method of claim 49 wherein the second temperature is 140-170° F.
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