Patents by Inventor Andreas Stolz

Andreas Stolz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8122728
    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.
    Type: Grant
    Filed: December 1, 2006
    Date of Patent: February 28, 2012
    Assignee: BSH Bosch und Siemens Hausgeraete GmbH
    Inventors: Kai Nitschmann, Günter Steffens, Andreas Stolze
  • Patent number: 8020316
    Abstract: The invention relates to a washing household device, in particular to a clothes dryer, that includes an air-supply device which is arranged on a rear side area thereof and is provided with a closed self-contained cross-section flow channel.
    Type: Grant
    Filed: February 23, 2006
    Date of Patent: September 20, 2011
    Assignee: BSH Bosch und Siemens Hausgeraete GmbH
    Inventors: Thomas Nawrot, Hans-Werner Stahn, Andreas Stolze, Andreas Ziemann
  • Publication number: 20110209484
    Abstract: A condenser dryer includes a drying chamber for items to be dried; a process-air circuit including a fan; and a heat pump in which a refrigerant circulates. The heat pump has an evaporator and a condenser, with the evaporator or the condenser or both being a heat exchanger having level surfaces and including at least one endlessly folded, flattened tube to form a plurality of rows of meander stacks in laterally offset relationship.
    Type: Application
    Filed: November 9, 2009
    Publication date: September 1, 2011
    Applicant: BSH BOSCH UND SIEMENS HAUSGERÄTE GMBH
    Inventors: Uwe-Jens Krausch, Andreas Stolze
  • Publication number: 20110198405
    Abstract: A dryer is provided that includes a drying chamber for items to be dried; a supply air duct; a process air duct; an exhaust air duct; and a heat pump having a heat sink and a heat source, wherein the supply air duct and the exhaust air duct can be connected to each other through a recirculating air duct by means of a mechanism in order to adjust a proportion of recirculating and exhaust air in the dryer, and wherein the dryer has a first sensor for determining a process air temperature. A method for operating the dryer and a method for controlling the temperature and/or the humidity of the air of a room using the dryer are also provided.
    Type: Application
    Filed: October 16, 2009
    Publication date: August 18, 2011
    Applicant: BSH BOSCH UND SIEMENS HAUSGERÄTE GMBH
    Inventors: Uwe-Jens Krausch, Andreas Stolze
  • Publication number: 20110169263
    Abstract: A heat exchanger and a method of manufacturing a heat exchanger are described and shown. In some embodiments, the heat exchanger has a brazed core with flat metal tubes and flat metal tube ends received in corresponding openings defined in a collecting tank, and has a plurality of adhesive connections each with an annular space around a flat tube end and defined at least in part by the collecting tank, an addition-crosslinking silicone adhesive located within the annular space, and a mounting plate at least partially closing each annular space.
    Type: Application
    Filed: January 10, 2011
    Publication date: July 14, 2011
    Inventors: Denis Bazika, Rainer Käsinger, Fritz Keller, Wolfgang Schatz-Knecht, Jens Köppen, Jens Nies, Jochen Orso, Andreas Stolz, Werner Zobel
  • Patent number: 7914607
    Abstract: A domestic appliance including an adsorption unit and further including a process air conduit, wherein an adsorption container operates as a heat exchanger for heating a stream of air flowing in the process air conduit and being applied to the adsorption container, with the adsorption unit configured for alternate and reversible operation in a first operating state in which a stream of air flowing in the process air conduit is applied to the adsorption container and which adsorbs adsorptive evaporating in the phase transition container, and in a second operating state in which the adsorbing agent is heated by the heater and the adsorptive is desorbed, with desorbed adsorptive condensing in the phase transition container, the domestic appliance including an assembly operatively associated with the adsorption unit for applying a stream of air flowing in the process air conduit to the adsorption container in the second operating state.
    Type: Grant
    Filed: December 12, 2006
    Date of Patent: March 29, 2011
    Assignee: BSH Bosch und Siemens Hausgeraete GmbH
    Inventors: Harald Moschütz, Andreas Stolze
  • Publication number: 20110047813
    Abstract: A domestic appliance for drying a damp product by means of a process air stream that is conducted in a process air channel. The appliance has a treatment chamber that includes the damp product. A cooling assembly cools and condenses the process air stream after it flows through the treatment chamber. A first heat exchanger supplies heat from the process air stream to a working fluid. A heating assembly heats the process air stream before it flows through the treatment chamber and a second heat exchanger supplies heat from the working fluid to the process air stream. The working fluid is conducted in a heat pump that has at least two mechanically coupled displacement pistons. The heat pump operates according to a regenerative gas cycle process that includes a Vuilleumier gas cycle process.
    Type: Application
    Filed: February 11, 2009
    Publication date: March 3, 2011
    Applicant: BSH Bosch und Siemens Hausgerate GmbH
    Inventors: Hans-Detlev Kühl, Andreas Stolze
  • Publication number: 20110041355
    Abstract: A domestic appliance for drying a damp product by means of a process air stream that is conducted in a process air channel. The appliance has a treatment chamber that includes the damp product. A cooling assembly cools and condenses the process air stream after it flows through the treatment chamber. A first heat exchanger supplies heat from the process air stream to a working fluid. A heating assembly heats the process air stream before it flows through the treatment chamber and a second heat exchanger supplies heat from the working fluid to the process air stream. The working fluid is conducted in a heat pump that has at least two displacement pistons. The heat pump operates according to a regenerative gas cycle process. At least one of the heat exchangers is substantially asymmetrically and laterally arranged with respect to at least one of the displacement pistons.
    Type: Application
    Filed: February 16, 2009
    Publication date: February 24, 2011
    Applicant: BSH BOSCH UND SIEMENS HAUSGERÄTE GMBH
    Inventors: Hans-Detlev Kühl, Andreas Stolze
  • Publication number: 20110035953
    Abstract: The domestic appliance is designed to dry a humid product by means of a process air stream that can be conducted in a process air channel, said stream flowing through a treatment chamber comprising the product and a cooling assembly for cooling and condensing the process air stream once the latter has passed through the treatment chamber. The cooling assembly has a first heat exchanger, by means of which heal from the process air stream can be supplied to a working fluid, and a heating assembly connected downstream of the cooling assembly for heating the process air stream before the latter flows through the treatment chamber, said beating assembly having a second heat exchanger, by means of which heat from the working fluid can be supplied to the process air stream. The working fluid is conducted in a heat pump, which operates according to a regenerative gas process.
    Type: Application
    Filed: February 16, 2009
    Publication date: February 17, 2011
    Applicant: BSH BOSCH UND SIEMENS HAUSGERÄTE GMBH
    Inventors: Hans-Detlev Kühl, Andreas Stolze
  • Publication number: 20110030238
    Abstract: A vented dryer having a drum to dry damp laundry by warm process air; a first process air channel upstream of the drum; a heater to heat the process air in the first process air channel; a supply air channel opening into the first process air channel; a second process air channel downstream of the drum; an outlet air channel originating from the second process air channel; a first blower in the first process air channel; and an auxiliary air channel through which auxiliary air is supplied from the environment of the vented dryer. The auxiliary air channel opens into the outlet air channel.
    Type: Application
    Filed: April 7, 2009
    Publication date: February 10, 2011
    Applicant: BSH BOSCH UND SIEMENS HAUSGERÄTE GMBH
    Inventors: Thomas Nawrot, Andreas Stolze
  • Publication number: 20110016889
    Abstract: 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.
    Type: Application
    Filed: October 23, 2007
    Publication date: January 27, 2011
    Applicant: BSH BOSCH UND SIEMENS HAUSGERATE GMBH
    Inventors: Hasan Gökcer Albayrak, Klaus Grunert, Reinhardt Ruhm, Edmund Seiffert, Günter Steffens, Andreas Stolze
  • Publication number: 20110005096
    Abstract: A dryer is provided having a drying chamber for items to be dried and a process air duct in which are located a heater for heating the process air, a blower for driving the process air from the heater through the drying chamber, and a heat exchanger arrangement. Via the heat exchanger arrangement, heat can be withdrawn from the process air flowing away from the drying chamber, and the process air flowing toward the heater can be fed to the heat exchanger. The process air duct is divided into a main duct and a secondary duct, the secondary duct having an evaporator in which condensate that was separated from the process air in the heat exchanger arrangement can be evaporated into the process air flowing therethrough and is connected to the exhaust opening.
    Type: Application
    Filed: February 25, 2008
    Publication date: January 13, 2011
    Applicant: BSH BOSCH UND SIEMENS HAUSGERÄTE GMBH
    Inventor: Andreas Stolze
  • Patent number: 7866057
    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.
    Type: Grant
    Filed: December 6, 2006
    Date of Patent: January 11, 2011
    Assignee: BSH Bosch und Siemens Hausgeraete GmbH
    Inventors: Klaus Grunert, Kai Nitschmann, Günter Steffens, Andreas Stolze
  • Publication number: 20100263225
    Abstract: A household appliance including a housing; a drying chamber to dry wet articles in the drying chamber; and a first air conduit to guide process air drawn into the housing to dry the wet articles. The household appliance also has a heat pump that includes a heat sink to transfer heat into the heat pump; a heat source coupled to the first air conduit to transfer the heat from the heat pump into the process air; and a heat transfer device to transfer the heat from the heat sink to the heat source. A second air conduit is coupled to the heat sink to guide secondary air drawn into the housing. The heat sink transfers the heat from the secondary air into the heat pump.
    Type: Application
    Filed: November 26, 2008
    Publication date: October 21, 2010
    Applicant: BSH BOSCH UND SIEMENS HAUSGERÄTE GMBH
    Inventors: Pilar Balerdi Azpilicueta, Iñigo Berazaluce Minondo, Esther Padilla Lopez, Roberto San Martin Sancho, Günter Steffens, Andreas Stolze
  • Publication number: 20100257748
    Abstract: A laundry drying device, including a front wall; a seal connected to the front wall; a rear wall; a tub located between the front wall and the rear wall; a rotatable laundry drum arranged in the tub, the rotatable laundry drum being accessible by way of the seal; and a heat pump. The heat pump includes an evaporator that is arranged at least partially between the laundry drum and the rear wall; and a condenser that is arranged at least partially above the laundry drum.
    Type: Application
    Filed: November 28, 2008
    Publication date: October 14, 2010
    Applicant: BSH BOSCH UND SIEMENS HAUSGERÄTE GMBH
    Inventors: Günter Steffens, Andreas Stolze
  • Publication number: 20100243002
    Abstract: 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.
    Type: Application
    Filed: October 15, 2008
    Publication date: September 30, 2010
    Applicant: BSH BOSCH UND SIEMENS HAUSGERATE GMBH
    Inventors: Klaus Grunert, Günter Steffens, Andreas Stolze
  • Publication number: 20100212176
    Abstract: A tumble dryer including a heat pump that includes a Peltier module having a plurality of Peltier elements operationally associated therewith and wherein the Peltier module has a cold side and a warm side; at least two air-directing ducts including a first duct in fluid communication with the Peltier module cool side through which cooling air is directed for cooling and dehumidifying; and a second duct in fluid communication with the Peltier module warm side through which dried air is directed for reheating; and an air and water vapor permeable filter disposed in the second duct facing the Peltier elements. Moisture which arises on the Peltier elements can thereby escape into the duct.
    Type: Application
    Filed: November 30, 2006
    Publication date: August 26, 2010
    Applicant: BSH Bosch und Siemens Hausgerate GmbH
    Inventors: Harald Moschütz, Ingo Schulze, Andreas Stolze
  • Publication number: 20100186251
    Abstract: A dryer device having a receiving chamber for receiving textiles and drying agents including a vacuum pump for creating a vacuum in the receiving chamber. A drying method includes introducing textiles and drying agents, particularly based on zeolite, into the receiving chamber, followed by a vacuum being created in the receiving chamber.
    Type: Application
    Filed: July 10, 2008
    Publication date: July 29, 2010
    Applicant: BSH BOSCH UND SIEMENS HAUSGERÄTE GMBH
    Inventor: Andreas Stolze
  • Publication number: 20100154248
    Abstract: A dryer includes a drying chamber for the items to be dried, an inlet air duct, a process air duct, an exhaust air duct, a recirculating air duct, a fan, and a heat pump with an evaporator, a condenser and a programmable controller. The dryer defines a process air path for obtaining and maintaining a predetermined minimum difference ?Tset between an evaporator entry temperature T2 and a dryer entry temperature T1 as well as a predetermined lower threshold T2set for the evaporator entry temperature.
    Type: Application
    Filed: December 14, 2009
    Publication date: June 24, 2010
    Applicant: BSH BOSCH UND SIEMENS HAUSGERATE GmbH
    Inventor: Andreas Stolze
  • Publication number: 20100132216
    Abstract: The invention relates to a dryer with a drying chamber for the items to be dried, a process air duct, a fan in the process air duct, a heat pump with a heat sink and a heat source thermally coupled to the process air duct, and also an electrical heating element. The electrical heating element is arranged in the direct vicinity of the heat source, with a first distance between the electrical heating element and the heat source being smaller than a second distance between the electrical heating element and an entry for the process air into the drying chamber. The invention also relates to a method for operating this dryer.
    Type: Application
    Filed: November 23, 2009
    Publication date: June 3, 2010
    Applicant: BSH BOSCH UND SIEMENS HAUSGERATE GMBH
    Inventors: Uwe-Jens Krausch, Andreas Stolze