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US 8,984,767 B2Granted
Laundry drying unit having a lint screen arranged within a process air circuit and a method for operating said laundry drying unit
AssigneeBSH Hausgeräte GmbH
InventorsKlaus Grunert, Guido Sattler
Life of this patent
Estimating the term…
Abstract
A laundry drying unit includes a process air circuit and a component arranged in the process air circuit. Provided above the component is a washing tank for dispensing a cleaning fluid, with a flow of cleaning fluid dispensed from the washing tank to the component being controlled by a controllable valve. The valve can be controlled on the basis of an amount of cleaning fluid in the washing tank.
Claims15
A laundry-drying appliance, comprising:
- a process air circuit structured to circulate process air through the laundry-drying appliance;
- a component arranged in the process air circuit;
- a washing tank provided above the component, the washing tank structured to store and dispense a cleaning fluid;
- and
- a controllable valve configured to control and dispense a flow of cleaning fluid from the washing tank downward onto the component for cleaning the component, said valve being controllable based on an amount of cleaning fluid in the washing tank.
2 more elements
A method for operating a laundry-drying appliance, comprising:
- ascertaining an amount of cleaning fluid in a washing tank with a sensor;
- and
- releasing cleaning fluid from the washing tank to a component positioned in a process air circuit by controlling a valve as a function of the ascertained amount of cleaning fluid for cleaning the component.
Dependencies are inferred from the claim text.