Patents Examined by Quang T. Van
  • Patent number: 11903115
    Abstract: A heating cooker includes a heating chamber, a heating portion, a brushless motor, a body control circuit, a DC power supply circuit, a motor control circuit, and a safety device. The brushless motor drives a rotary drive mechanism included in the heating portion. The body control circuit outputs a drive signal for the brushless motor. The DC power supply circuit supplies DC power to the brushless motor. The motor control circuit controls the driving of the brushless motor in response to the drive signal. The safety device includes a rotation detection element to detect the rotation state of the rotor of the brushless motor and output a rotation detection signal, and a switch for blocking a power supply line connected to the DC power supply circuit. The safety device controls the switch in response to the rotation detection signal and drive signal.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: February 13, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Ryosuke Otani, Hiroyuki Katsube, Masato Yota, Seiichi Yamashita
  • Patent number: 11892237
    Abstract: The invention provides device for diversion of quenching exhaust gas and diversion method, exhaust gas chamber is located at top of quenching chamber; quenching chamber is fixedly connected to exhaust gas chamber through partition; support plate in lifting assembly is fixedly connected to side of partition, motor in exhaust assembly is fixedly connected to slider in lifting assembly, two adjacent sides of quenching chamber are fixedly connected to lower surface of support plate through triangular support frame; sealing brushes are located on two adjacent sides of exhaust chamber, gas detector is located inside exhaust chamber on one side near the top, exhaust cylinder is located at center of upper surface of top of exhaust chamber, first end of slider support column and motor support seat are respectively located on upper surface of support plate, second end is fixedly connected with lower surface of baffle through cylindrical hole of slider.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: February 6, 2024
    Assignee: YANSHAN UNIVERSITY
    Inventors: Yi Han, Dongyu Li, Yao Xiao
  • Patent number: 11895759
    Abstract: An induction heating apparatus is provided. The induction heating apparatus includes a heating coil configured to heat an object to be heated, a full-bridge type inverter configured to supply power to the heating coil, a capacitor provided between an intermediate node of one arm of the inverter and one end of the heating coil, and a first relay provided between the intermediate node and the other end of the heating coil 30. An intermediate node of the other arm of the inverter and an intermediate point of the heating coil are connected through a first wire. The induction heating apparatus includes a processor configured to open or close the first relay based on an impedance of the object to be heated.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: February 6, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Masashi Sasagawa, Masaki Ono, Masayuki Otawara, Nobuharu Nishikoori, Taro Yoshida, Tomoyuki Kanagawa, Yutaka Yagi
  • Patent number: 11895760
    Abstract: Devices and methods that use returned power (RP) measurements during microwave energy delivery to perform one or more functions. For example, microwave devices and systems with one or more features to measure the returned microwave power. One or more measurements of the returned microwave power may be used to obtain information about one or more of: antenna shape, system status and system performance. One or more measurements of the returned microwave power shaping elements may also be used to obtain information about one or more properties of the target material. Devices and methods for delivering microwave energy to a variety of target materials to achieve a variety of desired microwave effects.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: February 6, 2024
    Assignee: MicroCube, LLC
    Inventors: Chun Yiu Chu, Dinesh I. Mody, Ketan Shroff, Amrish J. Walke, Kirby Chiang, Christopher Ah New, Christine M. Tate
  • Patent number: 11882856
    Abstract: System and method for thermally treating a flowable product includes an apparatus including a waveguide for providing electromagnetic energy, a conduit for receiving a flowable material, and an applicator for delivering electromagnetic energy from a generator to the waveguide. The waveguide includes first and second arms that each comprise an output that is isolated from the output of the other arm by a phase shift, such that any reflected electromagnetic energy exits the arm through the input port and does not flow into the opposing arm.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: January 30, 2024
    Assignees: SinnovaTek, Inc., North Carolina State University
    Inventors: Michael Druga, Josip Simunovic, Thomas Kenner, Steven Giunta
  • Patent number: 11884473
    Abstract: Microwave cooking packages suitable for use as microwave popcorn packages include at least one panel (e.g., first and second panels) formed of a vertically rigid material. A flexible portion is attached to the panels. The flexible portion may be formed of a polyester film material such as a biaxially-oriented polyethylene terephthalate (PET) film, which may be at least partially transparent. The flexible portion (and panels) defines a bag construction configured to contain a popcorn charge and to be expandable between a collapsed configuration and an expanded configuration when the popcorn charge is subjected to a popping operation. The microwave cooking package may include a vent assembly configured to at least partially open when the bag configuration is in an expanded configuration to vent the bag construction. The vent assembly includes a first portion a second portion of the bag construction that is configured to be folded against the first portion.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: January 30, 2024
    Assignee: Conagra Foods RDM, Inc.
    Inventors: Charles T. Gorman, David W. France, Clifton Lachmansingh, Paul J. Warosh, Donald L Greenwood, Joseph C. Walsh, Nicholas P. Lupfer, John D. Culter
  • Patent number: 11877375
    Abstract: An apparatus includes a plurality of induction coils that are magnetically coupled to one another, a plurality of heat stations, each respectively coupled to one of the induction coils, a power source, and a power source connected to at least one of the heat stations via at least one power transfer component. When electrical power is applied from the power source to at least one of the heat stations, a magnetic field is induced in the plurality of induction coils via the at least one of the heat stations that is connected to the power source.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: January 16, 2024
    Assignee: AMF LIFESYSTEMS, LLC
    Inventors: Robert C. Goldstein, Valentin Nemkov
  • Patent number: 11877373
    Abstract: A cooking apparatus and a control method thereof, and more particularly, technology for determining the type of vessel placed in the cooking apparatus and controlling power in response to a state change of the placed vessel or a temperature change of a coil. In accordance with one aspect, a cooking apparatus includes: a coil on which a vessel is placed, configured to form a magnetic field upon application of a current; a detection sensor configured to detect a magnitude of an input current applied differently according to a type of the vessel and a magnitude of an input voltage of the cooking apparatus; and a controller configured to determine a type of the placed vessel according to a power value calculated based on the detected input current and input voltage, and to determine a heating mode of the cooking apparatus based on the determined type of vessel.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: January 16, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Woong Choi, Sang Min Park, Byoung Kuk Lee, Eun Soo Jang, Dong Myoung Joo, Hong-Joo Kang, Nam Ju Park, Chang Sun Yun, Hyun Kwan Lee
  • Patent number: 11877372
    Abstract: A half-flex type induction heating device enabling an improved user experience and user interface includes: a first controller for switching a heating intensity image and a modified timer image displayed on an input interface into a power image and a residual heat image when a touch input is applied, the touch input meaning the termination of, among a plurality of working coils, a working coil being driven, and a second controller for stopping the driving of the working coil being driven. The half-flex type induction heating device may enable the one-step termination of a burner.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: January 16, 2024
    Assignee: LG Electronics Inc.
    Inventors: Mijin Jung, Soyeon Ko, Hyeonna Han
  • Patent number: 11864298
    Abstract: A device for treating a product with microwaves includes a treatment chamber, in which the product can be transported along a transport path in a transport direction through the treatment chamber, and a microwave radiation device arranged in the treatment chamber, by means of which microwaves coupled into the microwave radiation device can be radiated, which act on the product, wherein the microwave radiation device includes at least one coaxial conductor which protrudes into the treatment chamber, or is arranged therein, with an electrically-conductive internal conductor and an electrically-conductive external conductor, wherein the external conductor, arranged coaxially, surrounds the internal conductor in a spaced manner and includes at least one opening, which enables an emission of microwaves from the coaxial conductor through the opening on to the product.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: January 2, 2024
    Assignee: MUEGGE GMBH
    Inventors: Daniel Baars, Markus Reichmann, Klaus-Martin Baumgärtner, Niko Voit
  • Patent number: 11858041
    Abstract: In an example implementation, a sintering system includes a support structure in a sintering furnace to support a token green object during a sintering process. The system includes wires installed into the furnace and through the support structure to contact the object. An impedance meter is operatively coupled to the wires to determine electrical impedance of the object during the sintering process.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: January 2, 2024
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Greg Long, Andrew L. Van Brocklin, David Champion
  • Patent number: 11862432
    Abstract: A radiation element for radiating a microwave into the heating chamber at least one hollow dielectric member in which a gas is sealed, the hollow dielectric member having electrodes and a control unit having a plasma control unit for controlling the state of the hollow dielectric member and a current adjustment unit for adjusting a current to be applied to the electrodes of the hollow dielectric member under the control of the plasma control unit, the current adjustment unit being connected to the electrodes; and wherein the plasma control unit controls the state of the hollow dielectric member to put into one of states of: a plasma state in which the microwave is reflected by the gas; a plasma state in which the microwave is absorbed by the gas; and a gas state in which the microwave is allowed to be transmitted through the gas.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: January 2, 2024
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hiroshi Suenobu, Shingo Yamaura, Tai Tanaka, Michio Takikawa
  • Patent number: 11856679
    Abstract: An induction oven device includes a heating unit including an induction coil having an electrical conductor, a substrate unit having a through-flow opening, and a fastening unit configured to fasten the induction coil to the substrate unit. The fastening unit includes a fastening element which is guided through the through-flow opening.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: December 26, 2023
    Assignee: BSH Hausgeräte GmbH
    Inventors: Manuel Almolda Fandos, Pablo Jesus Hernandez Blasco, Izaskun Jaca Equiza, Ignacio Lope Moratilla, Damaso Martin Gomez, Alvaro Rigual Iturria
  • Patent number: 11852352
    Abstract: A household appliance device includes a first structural unit, a second structural unit, and an insulation unit configured to provide an insulation between the first and second structural units. The insulation unit includes a placement assist element configured to tailor an exterior shape of the insulation unit to the first structural unit for placement of the insulation unit, and an expansion compensation element configured to compensate at least substantially a thermal expansion of at least one subregion of the insulation unit.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: December 26, 2023
    Assignee: BSH Hausgeräte GmbH
    Inventors: Jorge Felices Betran, Juan Jose Galindo Perez, Pablo Jesus Hernandez Blasco, Izaskun Jaca Equiza, Ignacio Lope Moratilla, Damaso Martin Gomez
  • Patent number: 11845202
    Abstract: A microwave heating system includes: a variable-frequency microwave source having a usable bandwidth about a center frequency; a waveguide with an input side connected to the source and an output side terminating in a launch structure; and, a metallic reflector plate facing the launch structure and perpendicular thereto and spaced therefrom at a distance of no more than twice the microwave wavelength at an operative frequency of the microwave source, the reflector plate including a recessed area of a selected size and shape located facing the launch structure so that a material to be treated may be placed between the launch structure and the recessed area for exposure to microwave energy. A related method is also disclosed.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: December 19, 2023
    Assignee: Expert Tooling and Automation, LTD
    Inventors: Robert J. Schauer, Keith R. Hicks, Andrew Cardin, Clayton R. DeCamillis, Yunchuan Liu, Andrew Bools
  • Patent number: 11845137
    Abstract: A heating apparatus for induction heating is disclosed. The heating apparatus may comprise a bearing ring, at least one bearing element disposed in the bearing ring, and a braze material adjacent to the at least one bearing element and the bearing ring. The heating apparatus may additionally comprise an inductor positioned radially adjacent to at least a portion of the bearing ring. A current source may be electrically coupled to the inductor. A bearing orienting member may also abut a surface of the at least one bearing element. The bearing orienting member may orient a surface of the at least one bearing element. A heating method is also disclosed.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: December 19, 2023
    Assignee: US SYNTHETIC CORPORATION
    Inventors: S. Barrett Peterson, Timothy N. Sexton, Curtis M. Simons, Troy C. Campbell
  • Patent number: 11846469
    Abstract: An oil-line assembly for an oil-fired boiler including a bracket, an elongated pipe, a first socket, a second socket, and a flexible hose. The bracket has a first plate member and a second plate member both having a common edge. The elongated pipe is coupled to an edge opposite the common edge of the second plate member and extends along its longitudinal axis parallel to the common edge. The elongated pipe has a proximal end and a distal end. The first socket is secured to the proximal end of the elongated pipe. The free end of the first socket receives an oil-line that extends from oil source. The second socket is coupled to the distal end of the elongated pipe. The proximal end of the flexible hose is coupled to the free end of the second socket and the distal end is coupled to an input of the oil-fired boiler.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: December 19, 2023
    Inventor: Joseph Nicola Lamparelli
  • Patent number: 11846001
    Abstract: A master inductor circuit is connected to an alternating current power source and a passive inductor circuit are assembled as a separable split inductor assembly to form at least one pair of a master heating inductor and a passive heating inductor where the master and passive inductor circuits are electromagnetically coupled without physical connection. A bearing component can be brought into the presence of the magnetic flux field created by the master and passive heating inductors to simultaneously induction heat one or more bearing features on the bearing component with subsequent quenching down austenitized bearing features on the bearing component.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: December 19, 2023
    Assignee: Inductoheat, Inc.
    Inventors: Valery I. Rudnev, Gary A. Doyon, Glenville Colin Desmier, Robert J. Madeira, Timothy Gerard Boussie
  • Patent number: 11849528
    Abstract: Disclosed are an impedance matching apparatus and method for a solid-state microwave source. The impedance matching apparatus is connected to a solid-state microwave source and includes a detection module and a control module. The control module includes a frequency control unit and a power determining unit. The frequency control unit is configured to adjust a current frequency of a phase-locked source of the solid-state microwave source according to a received frequency modulation (FM) instruction. The power determining unit is configured to perform following steps: controlling a driver module of the solid-state microwave source to gradually increase a total incident power, and determining a change trend of a total reflected power of the solid-state microwave source; controlling the driver module to reduce the incident power; setting the FM instruction, and sending the set FM instruction to the frequency control unit.
    Type: Grant
    Filed: March 1, 2023
    Date of Patent: December 19, 2023
    Assignee: Hefei Institute of Physical Science, Chinese Academy of Sciences
    Inventors: Liang Zhu, Wendong Ma, Mao Wang, Chengzhou Liu, Sheng Liu, Jiafang Shan
  • Patent number: 11844171
    Abstract: A method of sensing at least one load parameter of a closed chamber by a sensing device by means of electromagnetic radiation is described, in which measurements of at least one measured variable are used. A first measurement is carried out when there is a first spatial distribution of the electric field generated by the electromagnetic radiation. At least a second measurement is carried out when there is a second spatial distribution of the electric field generated by the electromagnetic radiation, which differs from the first spatial distribution of the electric field.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: December 12, 2023
    Assignee: RATIONAL AKTIENGESELLSCHAFT
    Inventors: Fernando Meo, Elisa Pizzolato, Daniel Schwalb, Philipp Roediger