Laundry treating appliance with purged chemistry conduits
First Claim
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.
1 Assignment
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Accused Products
Abstract
A method of operating a clothes dryer having a rotating drum defining a drying chamber without a liquid drain, an air system, a heating system, a treating chemistry dispensing system, and a controller, where a purge detection routine and purge cycle are executed to purge the treating chemistry from clothes dryer without draining.
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Citations
32 Claims
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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:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification