Patent ID: 9708750
Date: 2017-07-18
CPC Classifications: D06F

Claim:
1. A vented laundry dryer, the vented laundry dryer comprising: an air inlet duct, which passes from the outside to a heatable laundry treatment compartment, an air outlet duct, which passes from the laundry treatment compartment to the outside, a heat recovery system for transferring heat from the air outlet duct to the air inlet duct and an additional heater disposed on the air inlet duct, wherein the heat recovery system is a heat pump with an evaporator, a condenser, a compressor and a relaxation unit, the condenser being thermally coupled to the air inlet duct and the evaporator being thermally coupled to the air outlet duct, and a relaxation property of the relaxation unit is set as a function of at least one parameter associated with an activity of the additional heater.