Patents by Inventor Stephan Lutz

Stephan Lutz 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).

  • Publication number: 20240023785
    Abstract: A dishwasher, in particular a household dishwasher, includes a dishwasher cavity, a spray apparatus for dispensing washing liquor, and a drive facility including an electric motor designed to actively drive the spray apparatus so as to apply washing liquor to an item to be washed arranged in the dishwasher cavity. The drive facility includes a detection unit for detecting a motor rotational speed of the electric motor. A control apparatus determines a blockage of the spray apparatus in dependence upon the detected motor rotational speed.
    Type: Application
    Filed: October 27, 2021
    Publication date: January 25, 2024
    Inventors: Stephan Lutz, Stefan Pollithy, Markus Wecker, Igor Hoffmann, Marco Kienle
  • Patent number: 11876432
    Abstract: A rotor core includes a hollow shaft and a carrier portion permanently combined with the hollow shaft and configured to carry a ring-shaped permanent magnet coaxially to the hollow shaft. The carrier portion includes a support plate extending in radial direction and at least one axial support region configured to support the ring-shaped permanent magnet in axial direction. The carrier portion further includes at least one support element configured to extend into an interior space surrounded by the ring-shaped permanent magnet. A permanent magnet rotor including the rotor core, an electric motor, an electric pump and a household appliance, are also provided.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: January 16, 2024
    Assignee: BSH Hausgeraete GmbH
    Inventors: Michal Kalavsky, Stephan Lutz, Hans-Holger Pertermann
  • Patent number: 11826002
    Abstract: A water-conducting household appliance includes a channel section heatable from outside and configured for passage of fluid in a flow direction. A plurality of electrically interconnected heat conductor elements are provided for executing a heating action. The heat conductor elements are configured to at least partly surround the channel section on the outside, with at least one of the heat conductor elements generating during operation a surface output that varies over its course, resulting in different surface temperatures at a thermal transition into the channel section over its course, wherein the heat conductor elements are arranged such that the surface outputs of the heat conductor elements that follow one another over a circumference of the channel section differ across the flow direction.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: November 28, 2023
    Assignee: BSH Hausgeräte GmbH
    Inventors: Stephan Lutz, Stefan Pollithy, Markus Wecker
  • Patent number: 11825998
    Abstract: A household dishwasher includes a dishwasher cavity defining a treatment chamber, a loading unit accommodated in the treatment chamber for holding items to be washed, a washing apparatus configured to apply washing liquid to the treatment chamber, and a fan wheel mounted in the treatment chamber above the loading unit for rotation in a blow-off operating phase such that the fan wheel draws in air from the treatment chamber, accelerates and moves the air forward and downward as an air flow in the treatment chamber. The air flow strikes a blow-off region at a top of the loading unit and blowing off washing liquid from atop the items being washed.
    Type: Grant
    Filed: July 4, 2018
    Date of Patent: November 28, 2023
    Assignee: BSH Hausgeräte GmbH
    Inventors: Stephan Lutz, Michael Georg Rosenbauer, Norbert Gerstner, Alexander Almus, Thomas Burggraf
  • Publication number: 20230309782
    Abstract: A household dishwasher includes a dishwasher cavity for receiving items to be washed for treatment, and a structural unit sized to extend over at least half of a width of the household dishwasher. The structural unit includes an air outlet for blowing air out of the dishwasher cavity, an extensive slotted blow-out opening in an upper region of the structural unit, and a collecting tank in a lower region of the structural unit for collecting condensate.
    Type: Application
    Filed: September 30, 2021
    Publication date: October 5, 2023
    Inventors: Thomas Burggraf, Klaus Steinle, Alexander Almus, Stephan Lutz, Armin Klaiber, Martin Becker
  • Publication number: 20220409006
    Abstract: A water-using household appliance includes an electrically controllable actuator, a first voltage source designed to provide a switch-on power amount to the actuator, a second voltage source designed to provide a holding power amount to the actuator, and a control unit designed to electrically connect the first voltage source to the actuator in order to switch on the actuator and, after a switch-on interval, to electrically disconnect the first voltage source from the actuator and to electrically connect the second voltage source to the actuator.
    Type: Application
    Filed: November 17, 2020
    Publication date: December 29, 2022
    Inventors: Stephan Lutz, Stefan Pollithy, Markus Wecker, Jürgen Klein
  • Publication number: 20220296075
    Abstract: A household dishwasher includes a dishwasher cavity for accommodating an item to be washed held on or in a loading unit and at least one rotatable fan wheel arranged in the dishwasher cavity and designed to take in and blow out air, said at least one rotatable fan wheel being suspended movably, in particular pivotably, in particular at least relative to a vertical axis.
    Type: Application
    Filed: August 25, 2020
    Publication date: September 22, 2022
    Inventors: Martin Stickel, Stephan Lutz, Thomas Burggraf
  • Patent number: 11399689
    Abstract: A dishwasher, in particular household dishwasher, includes a dishwasher cavity for receiving an item to be washed, a rotatable fan wheel arranged in the dishwasher cavity and configured to draw in air and to blow out the air, and a motor operably connected to the fan wheel and operating at a rotational speed which is variable over time.
    Type: Grant
    Filed: July 4, 2018
    Date of Patent: August 2, 2022
    Assignee: BSH Hausgeräte GmbH
    Inventors: Stephan Lutz, Thomas Burggraf, Michael Georg Rosenbauer
  • Publication number: 20220131443
    Abstract: A rotor core includes a hollow shaft and a carrier portion permanently combined with the hollow shaft and configured to carry a ring-shaped permanent magnet coaxially to the hollow shaft. The carrier portion includes a support plate extending in radial direction and at least one axial support region configured to support the ring-shaped permanent magnet in axial direction. The carrier portion further includes at least one support element configured to extend into an interior space surrounded by the ring-shaped permanent magnet. A permanent magnet rotor including the rotor core, an electric motor, an electric pump and a household appliance, are also provided.
    Type: Application
    Filed: September 20, 2021
    Publication date: April 28, 2022
    Inventors: Michal Kalavsky, Stephan Lutz, Hans-Holger Pertermann
  • Patent number: 11286605
    Abstract: A structural unit, in particular a heating pump for a water-conducting domestic appliance, in particular a domestic dishwasher, includes a heatable tube section through which a liquid can flow during operation and in which one or more mechanical structures are arranged that produce locally different flow speeds of the liquid. A first temperature measuring device is arranged on an outer side of the tube section radially outside a region of lower flow rate or less incident flow, and a second temperature measuring device is arranged on the outer side of the tube section radially outside a region of higher flow rate or more incident flow.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: March 29, 2022
    Assignee: BSH Hausgeräte GmbH
    Inventors: Markus Wecker, Stephan Lutz, Stephanie Karger
  • Patent number: 11015616
    Abstract: A liquid heating pump includes an impeller chamber having an impeller, which can be rotatably driven, and a diffusor chamber and/or pressure chamber arranged axially downstream in the flow direction and having a stationary diffusor. A heating device is associated with the diffusor and/or pressure chamber. The diffusor has a main body, in particular in the shape of a circular cylinder. The main body has a front wall on which a guide blade portion is arranged which axially protrudes in a direction of the impeller into a liquid ejection region of the impeller arranged around an outer periphery of the impeller and which extends away from the liquid ejection region outwardly toward an axial outer casing of the main body, which axial outer casing is arranged radially further outwardly than the liquid ejection region of the impeller.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: May 25, 2021
    Assignee: BSH Hausgeräte GmbH
    Inventors: Igor Hoffmann, Stephan Lutz, Hans-Holger Pertermann, Markus Wecker
  • Publication number: 20210145246
    Abstract: A dishwasher, in particular household dishwasher, includes a dishwasher cavity for receiving an item to be washed, a rotatable fan wheel arranged in the dishwasher cavity and configured to draw in air and to blow out the air, and a motor operably connected to the fan wheel and operating at a rotational speed which is variable over time.
    Type: Application
    Filed: July 4, 2018
    Publication date: May 20, 2021
    Inventors: Stephan Lutz, Thomas Burggraf, Michael Georg Rosenbauer
  • Publication number: 20210059498
    Abstract: A household appliance includes a channel section which can be heated from outside and can be configured for passage of a fluid, and a plurality of electrically interconnected heating conductor elements for heating purposes, with at least some of the heating conductor elements being electrically connected together in parallel and including a component arranged in a flow direction of the fluid.
    Type: Application
    Filed: April 10, 2019
    Publication date: March 4, 2021
    Inventors: Stephan Lutz, Stefan Pollithy, Markus Wecker
  • Publication number: 20210038050
    Abstract: A water-conducting household appliance includes a channel section heatable from outside and configured for passage of fluid in a flow direction. A plurality of electrically interconnected heat conductor elements are provided for executing a heating action. The heat conductor elements are configured to at least partly surround the channel section on the outside, with at least one of the heat conductor elements generating during operation a surface output that varies over its course, resulting in different surface temperatures at a thermal transition into the channel section over its course, wherein the heat conductor elements are arranged such that the surface outputs of the heat conductor elements that follow one another over a circumference of the channel section differ across the flow direction.
    Type: Application
    Filed: April 10, 2019
    Publication date: February 11, 2021
    Inventors: Stephan Lutz, Stefan Pollithy, Markus Wecker
  • Patent number: 10804646
    Abstract: A household appliance includes a plug for electrical contacting. The plug includes a body for mechanically retaining an electrically conductive contact. A protective hood extends at least largely over the body and has a burning point which is higher than a burning point of a material of the body of the plug.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: October 13, 2020
    Assignee: BSH Hausgeräte GmbH
    Inventors: Sebastian Wagner, Bernd Kränzle, Stephan Lutz, Paul Nistor
  • Patent number: 10709309
    Abstract: A dishwasher includes a wash container for cleaning dishes, glasses, flatware or similar items to be washed during a program sequence which includes a drying phase or another process phase. The wash container has an inlet opening for inflow of a volume flow of air. The volume flow of air entering the wash container through the inlet opening varies a number of times over the drying phase or the other process phase.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: July 14, 2020
    Assignee: BSH Hausgeräte GmbH
    Inventors: Stephan Lutz, Johannes Büsing, Markus Wecker
  • Publication number: 20200093346
    Abstract: A household dishwasher includes a dishwasher cavity defining a treatment chamber, a loading unit accommodated in the treatment chamber for holding items to be washed, a washing apparatus configured to apply washing liquid to the treatment chamber, and a fan wheel mounted in the treatment chamber above the loading unit for rotation in a blow-off operating phase such that the fan wheel draws in air from the treatment chamber, accelerates and moves the air forward and downward as an air flow in the treatment chamber. The air flow strikes a blow-off region at a top of the loading unit and blowing off washing liquid from atop the items being washed.
    Type: Application
    Filed: July 4, 2018
    Publication date: March 26, 2020
    Inventors: Stephan Lutz, Michael Georg Rosenbauer, Norbert Gerstner, Alexander Almus, Thomas Burggraf
  • Publication number: 20190393642
    Abstract: A household appliance includes a plug for electrical contacting. The plug includes a body for mechanically retaining an electrically conductive contact. A protective hood extends at least largely over the body and has a burning point which is higher than a burning point of a material of the body of the plug.
    Type: Application
    Filed: October 13, 2017
    Publication date: December 26, 2019
    Inventors: Sebastian Wagner, Bernd Kränzle, Stephan Lutz, Paul Nistor
  • Publication number: 20190269294
    Abstract: A structural unit, in particular a heating pump for a water-conducting domestic appliance, in particular a domestic dishwasher, includes a heatable tube section through which a liquid can flow during operation and in which one or more mechanical structures are arranged that produce locally different flow speeds of the liquid. A first temperature measuring device is arranged on an outer side of the tube section radially outside a region of lower flow rate or less incident flow, and a second temperature measuring device is arranged on the outer side of the tube section radially outside a region of higher flow rate or more incident flow.
    Type: Application
    Filed: July 18, 2017
    Publication date: September 5, 2019
    Inventors: Markus Wecker, Stephan Lutz, Stephanie Karger
  • Publication number: 20190128284
    Abstract: A liquid heating pump includes an impeller chamber having an impeller, which can be rotatably driven, and a diffuser and/or pressure chamber arranged axially downstream in the flow direction and having a stationary diffuser. A heating device is associated with the diffuser and/or pressure chamber. The diffuser has a main body, in particular in the shape of a circular cylinder, having an axial outer casing, the diameter of which is selected to be at least equal to 80%, in particular between 80% and 90%, preferably approximately equal to 86%, of the external diameter of the diffuser and/or pressure chamber.
    Type: Application
    Filed: April 25, 2017
    Publication date: May 2, 2019
    Inventors: Igor HOFFMANN, Stephan LUTZ, Hans-Holger PERTERMANN, Markus WECKER