Abstract: A method for operating a condenser tumble dryer is provided and includes a drying chamber for containing objects to be dried, a process air circuit having a heating element, a fan for conducting heated process air over the objects, a heat pump circuit having an evaporator, a compressor, and a condenser, and sensors for determining the humidity in the objects to be dried. According to the method, the humidity is determined and the process air is heated by the condenser until the humidity ranges between about 0% and about 12%. In the event that the humidity drops below the predetermined value, the heating element is activated and operated for at least five minutes so that the air temperature in the drying chamber reaches at least 70° C.

Abstract: An exhaust air dryer with a drying chamber for items to be dried. The dryer includes a process air fan, a heat exchanger which includes a heat source, a heat sink of a heat pump, and a flushing device for flushing of a first inflow surface of the heat source and a second inflow surface of the heat sink with a liquid which is assigned to the heat source and the heat sink for removing of soil; and air ducts interconnecting the drying chamber, the process air fan, and the heat exchanger for conducting process air.

Abstract: An exhaust air dryer includes a process airflow entering from outside as supply air, which removes moisture from laundry introduced in a treatment compartment and which emerges to the outside as exhaust air through an air outlet, a heat exchanger between the treatment compartment and the air outlet, seen in the airflow direction, which removes heat from the process airflow, while forming condensate, a dispersal device arranged downstream of the treatment compartment in the airflow direction and in front of the air outlet, which adds at least part of the formed condensate to the exhaust air, and a hydrophilic body belonging to the dispersal device, which projects into the process airflow and is impinged upon by condensate.

Abstract: A dryer includes a drying chamber, a process air guide that guides process air along the articles to pick up humidity from them, a heat sink in the process air guide that precipitates humidity from the process air as a condensate, and a condensate collector with a condensate container having an insert that is permeable to the condensate and that projects through an opening into the condensate container for transferring the condensate to and from the condensate container. The insert includes a first filter that filters particles from the condensate prior to storing the condensate in the condensate container.

Abstract: A domestic appliance for the care of laundry items is provided a housing, a container housed by the housing and operable to accommodate laundry items, a process air loop, a heat exchanger operable to dehumidify process air exiting the container, a heater operable to heat process air, and a cooling air loop for conveying cooling air from an ambient environment of the domestic appliance into contact with the heat exchanger to thereby cool the heat exchanger, the cooling air loop including an air channeling device that is operable to selectively: a) directly vent at least some of the cooling air fed to the heat exchanger from the domestic appliance to the ambient environment and b) channel at least some of the cooling air fed to the heat exchanger into the domestic appliance for passage thereafter out of openings in the domestic appliance to the ambient environment.

Abstract: A device and a method for drying laundry includes an essentially closed channel system for conveying a stream of air that acts on the laundry are a treatment chamber for loading the laundry, a blower to drive the airflow, a heater to heat the airstream before it strikes the laundry, and a cooler to cool the airstream after it strikes the laundry. The airstream flows through a heat pump in the channel system, encompassing a pump unit, a cold branch, and a warm branch, that are joined to each other in parallel and through which the appropriate parts of the airstream can flow in parallel.

Abstract: A domestic appliance for the care of washed articles having with a container for receiving washed articles; a process air supply which is operationally connected to the container in fluid communication therewith whereby process air flows through the container during appliance operation; and a first heat exchanger which is in fluid communication with the process air supply for dehumidifying the process air exiting the container, the domestic appliance comprising a supplementary heat exchanger for lint filtering operationally disposed in the process air supply in fluid communication with the heat exchanger and the container.

Abstract: A household appliance for the care of laundry items, which heating apparatus is embodied for generating heat by combusting gaseous media and has a device for supplying the gaseous medium to a burner, wherein a means is provided which is thermally coupled to the burner and the device and is embodied for changing a temperature of the device in order to control the flow of the medium through the device, in particular the metering unit of the device. The invention also relates to a method for operating a heating apparatus for a household appliance for the care of laundry items, in particular a gas laundry dryer.

Abstract: The invention relates to a dryer having a drying chamber, a process air channel in which is located a heater for heating the process air and wherein the heated process air can be ducted into the drying chamber by means of a blower, a motor and a controller, which dryer is set up for operation drawing an electric power that never exceeds a pre-specified value Pmax. Means are provided that are set up in such a way that the dryer will while operating draw the electric power at least in phases in accordance with the pre-specified value Pmax. The invention relates also to a method for operating a dryer of such kind.

Abstract: The invention relates to an exhaust air dryer with a drying compartment for objects to be dried, a supply air duct upstream of the drying compartment, a first fan for the supply of process air from a supply air inlet to the drying compartment and to an exhaust air outlet, an exhaust air duct between the drying compartment and the exhaust air outlet and a heat pump, with a heat sink in the exhaust air duct and a heat source in the supply air duct, characterized in that the first fan in the supply air duct is arranged between the supply air inlet and the heat source and a second fan in the supply air duct is arranged between the heat source and the drying compartment.

Abstract: The invention relates to a vented dryer having a drying chamber for items to be dried, a supply air duct for supply air, in which is situated a heater for heating the supply air and the heated supply air (process air) can be directed by means of a first fan over the items to be dried, an exhaust air duct, a motor for driving the drying chamber, a first heat exchanger in the exhaust air duct and a condensate pan arranged beneath the first heat exchanger, whereby the vented dryer has first means for the discharge of warm air from a housing interior surrounding the motor toward the condensate pan and away across the latter. The invention also relates to a method for the operation of this vented dryer.

Abstract: A dryer with a drying chamber that includes a process air duct for guiding process air through the drying chamber, a heat pump with a heat sink in the process air duct and through which air can flow in an outlet air direction for cooling down the process air, and a heat source arranged in the process air duct and through which air can flow in an inlet air direction for heating up the process air. The outlet air direction and the inlet air direction are substantially parallel to one another. The heat sink and the heat source are in a plane substantially perpendicular to the outlet air direction and to the inlet air direction alongside one another.

Abstract: A fluff filter apparatus for a domestic appliance includes a first fluff filter, and a second fluff filter movably connected to the first fluff filter.

Abstract: A heat pump system including a heat pump having at least two Peltier elements arranged in series and connected to an energy supply, the heat pump system comprising an electrical dropping resistor arranged in series with the Peltier elements, wherein the Peltier elements and the dropping resistor are jointly supplied with energy by the energy supply. The heat pump system is preferably used in a household appliance, in particular a tumble drier.

Abstract: A circuit arrangement for a Peltier module for use in a Peltier heat pump for a tumble dryer with the circuit arrangement including a Peltier module having at least one series arrangement of Peltier elements actuable by a DC voltage. Also included is a rectifier operatively associated with a power supply and at least one series arrangement of Peltier elements for producing a rectified DC voltage for use by said Peltier elements. The number of Peltier elements and the manufacturer type of Peltier elements are selected in a manner wherein the Peltier elements of the series arrangement are operated by actuating the series arrangement with the rectified power supply at an operating voltage that is suitable for the use of the Peltier module in a Peltier heat pump.

Abstract: A domestic appliance, which may be a tumble dryer, includes a thermoelectric heat pump; at least one series of Peltier elements operationally associated with the heat pump and driven by a supply voltage for producing heat during appliance operation wherein the resistance of the Peltier elements increases with increasing temperature and wherein a threshold temperature for the Peltier elements is defined; and a heat flow path for dissipating heat produced by the Peltier elements wherein at a maximum temperature of the Peltier elements above a normal operating temperature and below the threshold temperature the power of the heat dissipated through the heat flow path is substantially equal to the electrical power drawn by the Peltier elements from the supply voltage.

Abstract: A circuit arrangement for a Peltier module for use in a Peltier heat pump for a tumble dryer with the circuit arrangement including a Peltier module having at least one series arrangement of Peltier elements, with each series arrangement of Peltier elements being configured to receive voltage; and a two-position transfer switch wherein at a first position voltage is applied to the Peltier module and at a second position voltage is not applied to the Peltier module and the Peltier module is connected to another electrical device.

Abstract: A drying rack for the stationary drying of articles to be dried, which can be installed in the drum of a clothes dryer. The articles can be knitwear or shoes that must not be moved when dried even when the drum turns. For articles, especially, wool articles, to dry faster, the drying rack has at least two spaced-apart surfaces disposed one on top of the other on which the articles to be dried can be spread, thereby substantially enlarging the surface of the articles to be dried. As such, the drying air current can better remove the moisture and larger individual wool articles can be dried in the clothes dryer.

Abstract: A burner for a gas dryer is made up of a mixing tube having an open end for admission of gas fuel into the mixing tube. At least one other opening proximate to the open end serves to admit air into the mixing tube for mixing the air and the gas fuel. A burner head is located at an end of the mixing tube opposite the open end for allowing a mix of gas fuel and air to be discharged and be ignited into a flame. A baffle is attached to the burner at the base of the burner head and extends radially outward therefrom to prevent disruption of combustion of the gas fuel and air mixture as a result of secondary air being drawn outside and along the length of the mixing tube from the open end thereof toward the burner head. An air heater assembly for gas dryer includes combustion chamber having an air inlet and an air outlet for allowing air to flow therethrough and be heated for being passed over clothes to be dried in a drum of a dryer.

Abstract: A drying rack for the stationary drying of articles to be dried, which can be installed in the drum of a clothes dryer. The articles can be knitwear or shoes that must not be moved when dried even when the drum turns. For articles, especially, wool articles, to dry faster, the drying rack has at least two spaced-apart surfaces disposed one on top of the other on which the articles to be dried can be spread, thereby substantially enlarging the surface of the articles to be dried. As such, the drying air current can better remove the moisture and larger individual wool articles can be dried in the clothes dryer.