Patent application number | Description | Published |
20090031513 | Cleaning Device for a Component Within a Process Air Circuit of a Household Tumble-Dryer - A cleaning device for a component, especially a heat exchanger, operatively disposed within a process air circuit of a household tumble dryer, the cleaning device comprising a rotatable brush device for removal of lint deposits from the component; a linear drive mechanism for driving the brush device along the component; and a rotary drive mechanism for driving the brush device about an axis of rotation. | 02-05-2009 |
20090031734 | CIRCUIT ARRANGEMENT FOR A PELTIER MODULE - 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. | 02-05-2009 |
20090049843 | Domestic Appliance Comprising a Thermoelectric Heat Pump - 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. | 02-26-2009 |
20090049844 | Circuit Arrangement for a Peltier Module - 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. | 02-26-2009 |
20090100696 | Device For Drying A Textile Containing A Filling That Is Likely To Form Clumps - A device for drying a textile containing a filling that is likely to form clumps, especially down, including a rotatable drum for accommodating and agitating the textile in an airflow traveling through the drum. The device includes at least one beater, mounted in the drum and moved by the textile article, for beating the textile article while it is agitated. | 04-23-2009 |
20090113740 | Dryer with heat pump - 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. | 05-07-2009 |
20090119943 | Vented dryer with heat recovery and condensate pan and method for operation thereof - 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. | 05-14-2009 |
20090139107 | Exhaust air dryer with a heat pump and a first fan - 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. | 06-04-2009 |
20090165328 | Dryer, set up for operation drawing of electric power, and method for operating it - 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 P | 07-02-2009 |
20090320319 | Domestic Device For The Care of Laundry Items and Method for Passing Cooling Air Into Such a Device - 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. | 12-31-2009 |
20100011608 | EXHAUST AIR DRYER WITH HEAT EXCHANGER - 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. | 01-21-2010 |
20100065087 | METHOD FOR REMOVING LINT FROM A HEAT EXCHANGER OF A DOMESTIC APPLIANCE AND CORRESPONDING DOMESTIC APPLIANCE - A method is provided for the removal from a heat exchange of lint that is generated during a drying process in a domestic appliance for laundry care. A rinsing fluid is run through the heat exchanger for cleaning and the rinsing fluid is deflected during a cleaning phase with the magnitude of deflection or the direction of deflection of the rinsing fluid being a function of the strength of an air flow that is applied to deflect the rinsing fluid. The rinsing fluid is thus run through various regions of the heat exchanger depending on the deflection. | 03-18-2010 |
20100071226 | METHOD FOR THE OPERATION OF A HOUSEHOLD APPLIANCE USED FOR TAKING CARE OF LAUNDRY - A method for operating a household appliance used for taking care of laundry. In the method, a Peltier heat pump of the household appliance is activated and is supplied with electric power for drying the laundry. The power supplied to the Peltier heat pump is varied during the drying process in accordance with a reached process phase of the drying process. | 03-25-2010 |
20100083527 | CONDENSATION DRYER COMPRISING A HEAT PUMP AND METHOD FOR OPERATING THE SAME - A condensation dryer is provided that includes a drying chamber for articles to be dried and a process air circuit in which a heater for heating the process air is located. The heated process air can be guided across the articles to be dried along a circulation route that includes a blower, an air/air heat exchanger, and a heat pump circuit having an evaporator, a compressor and a condenser. An additional heat exchanger is arranged in the heat pump circuit between the condenser and the evaporator, the additional heat exchanger being functionally coupled to the air/air heat exchanger. | 04-08-2010 |
20100101606 | METHOD AND DEVICE FOR CLEANING A COMPONENT, PARTICULARY OF A VAPORIZER OF A CONDENSER DEVICE AND A WASHER OR WASHER/DRYER COMPRISING SUCH A DEVICE - A rinsing container is provided for use in a process air circuit of a washer or washer/dryer and receives condensation water from a condensation water tank that collects condensation water acquired in the process air circuit from the drying of wet laundry. The rinsing container is provided above the condenser and dispenses a gush of water to a selected component via the sudden opening of the rinsing container on its outlet side. | 04-29-2010 |
20100146809 | CONDENSATION DRYER AND METHOD FOR THE OPERATION THEREOF - A condensation dryer includes a drying chamber for objects to be dried, a process air channel, a heater in the process air channel for heating the process air, a heat exchanger in the process air channel for cooling the process air after passing through the drying chamber, a fan in the process air channel for conveying the process air, a rinsing container connected to a water supply, and a controller. | 06-17-2010 |
20100154240 | LAUNDRY DRYING DEVICE AND METHOD FOR CLEANING A FILTER - A laundry dryer includes a stationary filter for filtering-out fluff from a process air stream flowing through a process air channel of the laundry dryer, the filter in a compartment inclined at an angle relative to a through-flowing process air stream and including a cleaning opening in an upper region of the filter for directing cleaning liquid onto a filter surface of the filter, and a cleaning device for cleaning of the filter. | 06-24-2010 |
20100155326 | DOMESTIC APPLIANCE FILTER,DOMESTIC APPLIANCE WITH SUCH A FILTER AND METHOD FOR MANUFACTURING SUCH A FILTER - A domestic appliance filter for use in a laundry treatment device includes a basic filter material with a hydrophobic coating for filtering out matter from a process water duct or a process air duct. The basic filter material includes a material which is resistant to temperatures of 160° C. or more and the hydrophobic coating on the basic filter material effects a surface energy of less than 35 mN/m. | 06-24-2010 |
20100200018 | METHOD FOR OPERATING A RINSING LIQUID DEVICE IN A HOUSEHOLD APPLIANCE FOR CLEANING PIECES OF LAUNDRY, AND RINSING LIQUID DEVICE - A household appliance for cleaning laundry includes a rinsing container that collects rinsing liquid generated during a cleaning process, a controller that stores a connection type of a rinsing liquid device during an initial commissioning of the rinsing liquid device, and one of a collection container that collects rinsing liquid after cleaning a heat exchanger of a heat pump and a connection to an external waste water system that disposes of the rinsing liquid after cleaning the heat exchanger based upon the connection type stored by the controller. | 08-12-2010 |
20100212369 | METHOD AND DEVICE FOR CLEANING A COMPONENT, PARTICULARLY AN EVAPORATOR OF A CONDENSER DEVICE, AND WASHER/DRYER OR DRYER HAVING SUCH A DEVICE - A device for cleaning an evaporator of a condenser with condensation water. The device includes a condensation water pan that collects condensation water condensed from process air by the evaporator, and a collection container above the evaporator that receives the condensation water from the condensation water pan and that dispenses the condensation water with a gush onto the evaporator from a rinsing chamber of the collection container with a sudden opening of a closure part through a downpipe. | 08-26-2010 |
20100223741 | Cleaning Device for a Component of a Household Washer-Dryer - A cleaning device for a component disposed within a process air circuit of a domestic tumble dryer, in particular for a heat exchanger, including a cleaning brush and a drive mechanism including a drive rod for moving the cleaning brush along the component, the cleaning device including a guiding element operatively associated with the drive mechanism for guiding the drive rod, and at least two flexible sealing elements for protecting the drive mechanism against fluff or similar soiling, wherein the drive rod is passed between the at least two sealing elements for movement along the guiding element. | 09-09-2010 |
20100243002 | METHOD AND DEVICE FOR CLEANING A COMPONENT, PARTICULARLY AN EVAPORATOR OF A CONDENSING DEVICE, AND WASHING OR LAUNDRY DRYER HAVING SUCH A DEVICE - A home appliance includes an evaporator of a condenser in a process air circuit, a condensate water pan that collects water condensed by the evaporator from drying of process air, a collector tank above the evaporator having one of a rinsing tank and a rinsing chamber with a storage chamber as an overflow region, and an abruptly openable outlet, and a downpipe connected to the abruptly openable outlet to permit discharge of condensate water in the collector tank in a surge to the evaporator. | 09-30-2010 |
20100263692 | CLEANING DEVICE FOR A COMPONENT LOADED WITH LINT IN A HOUSEHOLD APPLIANCE, AND METHOD FOR CLEANING A COMPONENT LOADED WITH LINT - A cleaning device for a component loaded with lint in a household appliance for laundry care. The cleaning device includes a rinsing unit to guide rinsing fluid to the component to remove the lint. The rinsing unit has a flow element disposed above the component, and the flow element builds up a dynamic pressure of the rinsing fluid in the flow element. | 10-21-2010 |
20100319146 | Cleaning Apparatus for a Component of a Household Tumble Dryer - A cleaning apparatus for a component operatively disposed within a process air-circuit of a household tumble dryer, in particular a heat exchanger of a household tumble dryer, the cleaning apparatus including a cleaning brush configured for operational movement along the component and a drive mechanism having a cleaning brush drive rod operatively connected to the cleaning brush for moving the cleaning brush along the component. The cleaning apparatus further includes a cleaning fluid feed line and means operatively associated with the cleaning fluid feed line for supplying cleaning fluid to the cleaning brush. | 12-23-2010 |
20110000097 | HOME DEVICE FOR DRYING LAUNDRY COMPRISING A COMPONENT AROUND WHICH PROCESS AIR CAN FLOW - A domestic appliance for drying laundry having a component around which process air flows. The component has a substrate made of metal and the substrate has a surface facing the process air. The surface carries a coating that prevents adhesion of foreign particles and the coating has a surface energy of no more than 40 mN/m. The surface has a section that is directly impinged by the process air and that is essentially completely covered by the coating. The component has edges in the section covered by the coating and each of the edges is essentially completely covered by the coating. | 01-06-2011 |
20110016889 | HEATING APPARATUS HAVING AT LEAST TWO THERMOELECTRIC MODULES WHICH ARE CONNECTED IN SERIES - A heating apparatus including at least two thermoelectric modules connected in series, and at least one switching arrangement connected in parallel with one of the at least two thermoelectric modules such that electrical current flows via the at least one switching arrangement in an event of a failure of the one of the at least two thermoelectric modules. | 01-27-2011 |
20110056523 | METHOD FOR CLEANING THE HEAT EXCHANGER OF A DRYER - A method for cleaning a component of a domestic appliance for laundry items. During a cleaning process, a rinsing fluid is at least once conducted through the component. Further, foreign bodies are cleansed from the component. The cleaning process is automatically started and a rinse cycle is performed in which the rinsing fluid is at least once introduced into the component. The rinse cycle is performed after a care process and during a process that prevents creases in the dry laundry items. The dry laundry items are still in the domestic appliance. | 03-10-2011 |
20110126419 | DRYING APPLIANCE COMPRISING A HEAT EXCHANGER HAVING A COATING - A drying appliance having a drying chamber and a process air guide for guiding drying air through the drying chamber. The process air guide has a heat exchanger for cooling process air which includes a charge of humidity and particulates, and which is disposed downstream of the drying chamber within the process air guide. The heat exchanger is coated at least partially with a polymer coating on a part of a surface of the heat exchanger. The part of the surface below the coating has a passivating layer interposed between the coating and the surface. | 06-02-2011 |
20110167662 | DRYER HAVING A LINT FILTER AND A CLEANING DEVICE - A dryer has a drying chamber to receive damp items and a process air duct to feed process air into and extract process air out of the drying chamber. The process air duct has a heat source and a heat sink to heat the process air before the process air enters the drying chamber and to cool the process air after the process air leaves the drying chamber, respectively. A cleaning device has an accumulator for a liquid; a rinsing line connected to the accumulator; a control organ in the rinsing line; a distributor connected to the rinsing line to distribute the liquid conveyed through the rinsing line on a lint filter and to receive the lint caught by the lint filter; and a drain line to drain the liquid with the received lint away from the lint filter and towards the accumulator. | 07-14-2011 |