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公开(公告)号：US20200154530A1
公开(公告)日：2020-05-14
申请号：US16678795
申请日：2019-11-08
Applicant: LG Electronics Inc.
Inventor： Seongjun KIM , Jaekyung YANG , Yongsoo LEE
IPC: H05B6/12
Abstract: An induction heating device includes: a base plate; a working coil disposed vertically above the base plate, the working coil including a conducting wire that is annularly wound; a ferrite core that is disposed on an upper surface of the base plate, that is disposed vertically below the working coil, and that is configured to direct upward an alternating magnetic field generated by the working coil; and an insulating member attached to an outer portion of the ferrite core and configured to electrically insulate the working coil from the base plate.
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公开(公告)号：US20200154529A1
公开(公告)日：2020-05-14
申请号：US16678781
申请日：2019-11-08
Applicant: LG Electronics Inc.
Inventor： Younghwan KWACK , Seongho SON , Jaekyung YANG , Yongsoo LEE
IPC: H05B6/06
Abstract: Described is a method for controlling an induction heating device having one or more working coils and a controller configured to perform pre-testing based on a single pulse. The method includes: selecting a working coil to be tested, performing a detection operation to detect a vessel disposed on the working coil and generate a first output pulse; comparing at least one of: a count of the first output pulse to a predetermined reference count range, or an on-duty time of the first output pulse to a predetermined reference time range; and adjusting, by the controller, a duration of an on-state of the single pulse based on (i) a result of the comparison of the count of the first output pulse to the predetermined reference count range or (ii) a result of the comparison of the on-duty time of the first output pulse to the predetermined reference time range.
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公开(公告)号：US20200029398A1
公开(公告)日：2020-01-23
申请号：US16390686
申请日：2019-04-22
Applicant: LG ELECTRONICS INC.
Inventor： Younghwan KWACK , Seongho SON , Jaekyung YANG , Yongsoo LEE
Abstract: A method for sensing a container includes: charging an induction heating circuit; sensing a current applied to the induction heating circuit, converting a current value of the current into a first voltage value; comparing the first voltage value with a resonance reference value; generating a resonance of the current; sensing a resonant current generated in the induction heating circuit; converting the resonant current into a second voltage value; comparing the second voltage value with a count reference value; generating one or more output pulses; comparing a count of the one or more output pulses with a reference count, or comparing an on-duty time of the one or more output pulses with a reference time; and based on (i) the comparison of the count with the reference count or (ii) the comparison of the on-duty time with the reference time, determining whether an object is present on a working coil.
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公开(公告)号：US20200018489A1
公开(公告)日：2020-01-16
申请号：US16490783
申请日：2018-02-20
Applicant: LG ELECTRONICS INC.
Inventor： Yonghyun LEE , Kyoungjoon PARK , Jaekyung YANG , Yongsoo LEE
Abstract: A cooking apparatus includes a case including an inner case having a cooking chamber formed therein and an outer case configured to surround the inner case, and having an open front surface, a tray put on the cooking chamber, a door coupled to the front surface of the case and configured to selectively open and close the open front surface, an elevating device installed at left and right internal surfaces of the inner case and configured to move the tray in forward and backward directions and upward and downward directions, wherein the elevating device includes a fixed rail fixed to an internal side surface of the inner case, a moveable rail configured to slide and move in forward and backward directions in a state where the moveable rail is coupled to the fixed rail, a support link configured to connect a side surface of the tray and the moveable rail, and a manipulator connected to the moveable rail and the support link.
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Patent Agency Ranking
公开(公告)号：US20200018475A1
公开(公告)日：2020-01-16
申请号：US16481053
申请日：2018-01-23
Applicant: LG ELECTRONICS INC.
Inventor： Hoonseob SIM , Jaekyung YANG , Suyong LEE , Yongsoo LEE
Abstract: A steam generator and a cooking apparatus including a steam generator are provided. The steam generator may include a heater, an inflow tube, a steam generation tube, and a discharge tube and an adaptor unit connected to the steam generator may be provided. The inflow tube and the discharge tube and the discharge tube may be connected at a predetermined angle to the adaptor unit. Thus, the steam generation tube connecting the inflow tube to the discharge tube may also be inclined.
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公开(公告)号：US20190301747A1
公开(公告)日：2019-10-03
申请号：US16270106
申请日：2019-02-07
Applicant: LG Electronics Inc.
Inventor： Haksoon YANG , Jaekyung YANG , Semi LEE , Suyong LEE , Yongsoo LEE
IPC: F24C15/02
Abstract: The present invention provides an oven including: a cabinet having a cooking space open forward; a door rotating to open/close the cooking space; and a rotary hinge disposed on the front of the cabinet to rotate the door in various directions, in which the door includes: a first ink moving in a first direction; and a second link moving in a second direction perpendicular to the first direction by movement of the first link, and the rotational direction of the door depends on movement of the first link.
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公开(公告)号：US20190297687A1
公开(公告)日：2019-09-26
申请号：US16182783
申请日：2018-11-07
Applicant: LG Electronics Inc.
Inventor： Seongjun KIM , Jaekyung YANG
Abstract: An induction heating device includes: a casing; a cover plate coupled to a top of the casing and configured to seat an object on a top surface of the cover plate; a working coil located within the casing and configured to heat the object on the top surface of the cover plate; a base plate configured to support the working coil; an indicator board that is located vertically below the base plate and that is spaced apart from the base plate to define an air-flow path between the base plate and the indicator board, where the indicator board includes a plurality of light emitting elements; and a blowing fan located at a first side of a bottom surface of the casing and configured to suction air into the casing from an outside of the casing and to discharge air into the air-flow path.
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公开(公告)号：US20190040666A1
公开(公告)日：2019-02-07
申请号：US16056664
申请日：2018-08-07
Applicant: LG Electronics Inc.
Inventor： Kyoung-Joon PARK , Hoon Seob SIM , Jaekyung YANG , Suyoung LEE , Yongsoo LEE , Yong Hyun LEE
Abstract: A door includes a handle, a handle link configured to rotate about a handle shaft, a first swing hinge shaft configured to protrude outward from and retract into a first side of the door, a pull-down configured to protrude outward from and retract into a second side of the door, a first main link having a first end rotatably connected to the handle link and a second end rotatably connected to the first swing hinge shaft, and a second main link having a first end rotatably connected to the handle link and a second end rotatably connected to the pull-down bar. The pull-down bar and the first swing hinge shaft are each configured to protrude from or retract to a side of the door based on rotation of the handle.
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公开(公告)号：US20180177000A1
公开(公告)日：2018-06-21
申请号：US15843862
申请日：2017-12-15
Applicant: LG Electronics Inc.
Inventor： Seongho SON , Jaekyung YANG , Hyojin CHOI , Yongsoo LEE
Abstract: An induction heat cooking apparatus includes a rectifier configured to convert an AC voltage supplied from a power source into a DC voltage, a battery configured to store power, a switch configured to connect to at least one of the rectifier or the battery, an inverter connected to the switch and configured to receive a first voltage from at least one of the rectifier or the battery and convert the first voltage to a second voltage, and a heating coil configured to receive the second voltage from the inverter and generate magnetic fields in which the heating coil is configured to heat a cooking device based on the generated magnetic fields.
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