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LAUNDRY TREATING APPLIANCE WITH PURGED CHEMISTRY CONDUITS

  • US 20120144689A1
  • Filed: 12/14/2010
  • Published: 06/14/2012
  • Est. Priority Date: 12/14/2010
  • Status: Active Grant
First Claim
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1. A method of operating a clothes dryer comprising a rotating drum defining a drying chamber without a liquid drain, an air system supplying air to and exhausting air from the drying chamber, a heating system for heating the air in the air system, a treating chemistry dispensing system having a treating chemistry supply conduit fluidly coupled to the treating chamber for dispensing a treating chemistry into the treating chamber, and a controller for controlling the operation of the drum, air system, heating system and dispensing system to at least one treating cycle of operation, the method comprising:

  • automatically executing a purge detection routine to detect a purge condition during the operation of the clothes dryer indicative of a need to purge the supply conduit of treating chemistry;

    automatically executing a purge cycle to purge at least a portion of the supply conduit of treating chemistry in response to the automatic detection of the purge condition; and

    removing the purged treating chemistry from the clothes dryer without draining the purged treating chemistry from the treating chamber.

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