公开(公告)号：US12300863B2

公开(公告)日：2025-05-13

申请号：US17982985

申请日：2022-11-08

Applicant: LG ELECTRONICS INC.

Inventor： Heejoong Jang ,  Dongkeun Yang ,  Hyoungsuk Woo ,  Jihoon Jun

IPC: H01M8/04746 ,  H01M8/04007 ,  H01M8/04014 ,  H01M8/04029 ,  H01M8/04082 ,  H01M8/04225 ,  H01M8/0432 ,  H01M8/0612 ,  H01M8/2457

Abstract: A fuel cell apparatus may include a stack, a reformer configured to generate reformed gas, a burner, a water supply tank configured to store cooling water, a burner air blower configured to draw in external air and then to blow the air, a vertex tube configured to convert the air into heated air and cooled air, a three-way valve configured to supply the air from the burner air blower selectively to the vertex tube or the burner, a first heat exchanger configured to exchange heat between the air discharged from the vertex tube and the cooling water, a second heat exchanger configured to exchange heat between the air discharged from the vertex tube and the reformed gas, and a four-way valve configured to supply the heated air and the cooled air to the first and second heat exchangers.

公开(公告)号：US12098870B2

公开(公告)日：2024-09-24

申请号：US17136201

申请日：2020-12-29

Applicant: LG ELECTRONICS INC.

Inventor： Heejoong Jang ,  Jinwoo Lee ,  Hojong Jeong

IPC: F25B30/02 ,  F25B27/02 ,  F25B41/20 ,  F25B41/31 ,  F25B49/02

CPC classification number: F25B30/02 ,  F25B27/02 ,  F25B41/20 ,  F25B41/31 ,  F25B49/02 ,  F25B2327/00 ,  F25B2400/04 ,  F25B2600/2515 ,  F25B2700/21

Abstract: Proposed is a gas heat-pump system including: a compressor discharging compressed refrigerant; an indoor heat exchanger causing heat exchange to occur between indoor air and the refrigerant; an outdoor heat exchanger condensing the refrigerant; a four-way valve switching a flow direction; an engine; a radiator cooling heated coolant; an exhaust gas heat exchanger causing the heat exchange to occur between the coolant passing through the radiator and exhaust gas from the engine; and a first three-way valve switching a flow direction of the coolant and controlling an amount of the flowing coolant in such a manner that the coolant passing through the radiator flows toward at least one of the exhaust gas heat exchanger and the engine.

公开(公告)号：US20240079678A1

公开(公告)日：2024-03-07

申请号：US18242162

申请日：2023-09-05

Applicant: LG Electronics Inc.

Inventor： Heejoong Jang ,  Dongkeun Yang ,  Hyoungsuk Woo

IPC: H01M10/6568 ,  H01M10/44 ,  H01M10/613 ,  H01M10/6551 ,  H01M10/6556

CPC classification number: H01M10/6568 ,  H01M10/441 ,  H01M10/613 ,  H01M10/6551 ,  H01M10/6556

Abstract: An energy storage apparatus may include: a casing; a battery pack disposed inside the casing, and having a plurality of battery cells; a power converter disposed inside the casing; a pump that supplies cooling water to the battery pack or the power converter; and a heat radiator that cools cooling water flowing from the battery pack or the power converter. The heat radiator may include: a cooling water pipe in which cooling water flows; a heat sink that contacts with the cooling water pipe and having a plurality of heat sink fins disposed on the other side; a heat sink fan for forming an air flow to the plurality of heat sink fins; and a cover plate spaced from the heat sink, and formed with communicating holes.

公开(公告)号：US11525413B2

公开(公告)日：2022-12-13

申请号：US17407322

申请日：2021-08-20

Applicant: LG ELECTRONICS INC.

Inventor： Heejoong Jang ,  Hojong Jeong

IPC: F02D41/00 ,  F02M26/34 ,  F02M26/35 ,  F02M26/37 ,  F02D29/04 ,  F02D41/14

Abstract: A gas engine heat pump and a method of operating the same are provided. According to an embodiment of the present disclosure, the gas engine heat pump includes: an engine for burning a mixture of air and fuel; an exhaust gas compressor for compressing exhaust gases coming from the engine; a buffer tank for storing the exhaust gases compressed by the exhaust gas compressor; an exhaust gas valve disposed between the buffer tank and an intake manifold of the engine; an exhaust gas spray nozzle for spraying the exhaust gases stored in the buffer tank into a cylinder of the engine; an exhaust gas sensor for acquiring information on the exhaust gases coming from the engine; and a controller, wherein the controller controls the operation of at least one of the exhaust gas valve and the exhaust gas spray nozzle, based on the information on the exhaust gases acquired by the exhaust gas sensor. Other various embodiments are possible.

公开(公告)号：US11815294B2

公开(公告)日：2023-11-14

申请号：US17527647

申请日：2021-11-16

Applicant: LG ELECTRONICS INC.

Inventor： Heejoong Jang ,  Hojong Jeong

IPC: F25B1/02 ,  F02B29/04 ,  F02B37/18 ,  F02M21/02 ,  F02B31/04

CPC classification number: F25B1/02 ,  F02B29/0437 ,  F02B31/04 ,  F02B37/18 ,  F02M21/0212 ,  F02M21/0215 ,  F25B2327/001

Abstract: Provided is an engine system. The engine system includes a mixer mixing air and vaporized fuel to form a mixture, an engine driving a cylinder with the mixture discharged from the mixer, a first storage tank supplying the vaporized fuel to the mixer, a second storage tank storing liquid fuel or supplying the stored liquid fuel to the first storage tank, and a heat exchanger performing heat exchange between the liquid fuel discharged from the first storage tank and gas flowing to the engine, thus vaporizing the liquid fuel.

公开(公告)号：US11796231B2

公开(公告)日：2023-10-24

申请号：US17110609

申请日：2020-12-03

Applicant: LG ELECTRONICS INC.

Inventor： Heejoong Jang ,  Hojong Jeong

IPC: F25B27/00 ,  F02B33/40 ,  F02B39/10 ,  F02D29/04 ,  F02M26/08 ,  F02D23/00 ,  F02B47/08

CPC classification number: F25B27/00 ,  F02B33/40 ,  F02B39/10 ,  F02B47/08 ,  F02D23/00 ,  F02D29/04 ,  F02M26/08

Abstract: Proposed is a gas heat-pump system including: a compressor of an air conditioning module; a gas engine generating a drive force of the compressor; and a turbocharger primarily first-level pressure to a fuel-to-air mixture and supplying the fuel-to-air mixture to the gas engine or applying second-level pressure to the fuel-to-air mixture to which the first-level pressure is applied and supplying the fuel-to-air mixture to the gas engine.

公开(公告)号：US11519347B2

公开(公告)日：2022-12-06

申请号：US17407312

申请日：2021-08-20

Applicant: LG ELECTRONICS INC.

Inventor： Heejoong Jang ,  Hojong Jeong

IPC: F02D31/00 ,  F02B37/12 ,  F02B39/10 ,  F02D29/04 ,  F25B27/02 ,  F02B63/06 ,  F02D41/04 ,  F25B27/00 ,  F02D19/02 ,  F02D41/00 ,  F02B43/00 ,  F25B13/00

Abstract: A gas engine heat pump is provided including an engine having an ignition plug, a compressor connected to the engine, a mixer that mixes air and fuel and supplies the mixture to the engine, a zero governor having a valve that regulates the fuel supplied to the mixer, a throttle valve disposed between the mixer and the engine to regulate a flow of the mixture to the engine, and a controller. Upon receiving a command to stop running the engine, the controller changes a target number of revolutions of the engine, controls an opening degree of the valve based on the target number of revolutions if a current number of revolutions of the engine exceeds a first reference number, and controls the ignition plug to stop igniting if the current number of revolutions of the engine reaches a second reference number which is lower than the first reference number.

公开(公告)号：US11486331B2

公开(公告)日：2022-11-01

申请号：US17405279

申请日：2021-08-18

Applicant: LG ELECTRONICS INC.

Inventor： Heejoong Jang ,  Hojong Jeong

IPC: F02B37/18 ,  F02B39/10 ,  F02D41/00 ,  F24F1/44 ,  F02G5/02 ,  F01N3/02

Abstract: The present disclosure relates to a gas engine heat pump including: an engine which burns a mixed air of air and fuel; a first exhaust flow path which is connected to the engine so that exhaust gas discharged from the engine passes through and is discharged to the outside; a turbo charger including: a first compressor which compresses the mixed air and supplies to the engine, and a first turbine which is installed in the first exhaust flow path and receives the exhaust gas passing through the first exhaust flow path to drive the first compressor; a supercharger which is installed in the first exhaust flow path between the engine and the first turbine, and receives and compresses the exhaust gas passing through the first exhaust flow path to supply to the first turbine; a second exhaust flow path which is branched from the first exhaust flow path between the engine and the supercharger, and converges to the first exhaust flow path between the supercharger and the first turbine; a first valve which is installed to be opened and closed in the second exhaust flow path; a third exhaust flow path which is branched from the first exhaust flow path between the supercharger and the first turbine, and converges to the first exhaust flow path in downstream of the first turbine; a second valve which is installed to be opened and closed in the third exhaust flow path; and a controller which controls operations of the first valve, the second valve, and the supercharger according to load of the engine.

公开(公告)号：US11708784B2

公开(公告)日：2023-07-25

申请号：US17536369

申请日：2021-11-29

Applicant: LG ELECTRONICS INC.

Inventor： Jinwoo Lee ,  Hojong Jeong ,  Heejoong Jang

IPC: F01P7/16 ,  F01P5/10 ,  F02B29/04 ,  F02B37/12 ,  F25B43/00 ,  F02B31/04 ,  F02M26/19 ,  F02M21/04

CPC classification number: F01P7/165 ,  F01P5/10 ,  F02B29/04 ,  F02B31/04 ,  F02B37/12 ,  F02M21/047 ,  F02M26/19 ,  F25B43/006 ,  F01N2240/02

Abstract: An engine system of the present disclosure includes an engine configured to drive a plurality of pistons by burning a mixture of air and gas, an air supply pipe through which the air supplied to the engine flows, a supercharger configured to compress the air flowing through the air supply pipe, a gas supply pipe through which the gas supplied to the engine flows, and a mixer configured to mix the air that has passed through the supercharger and the gas. The mixer has a venturi tube shape in which a cross-sectional area of a flow path decreases and expands in a flow direction of the air that has passed through the supercharger, and the gas supply pipe is connected to a portion of the mixer where the cross-sectional area of the flow path in the mixer is decreased.

公开(公告)号：US11649752B2

公开(公告)日：2023-05-16

申请号：US17405175

申请日：2021-08-18

Applicant: LG ELECTRONICS INC.

Inventor： Heejoong Jang ,  Hojong Jeong

IPC: F01N3/08 ,  F02D19/02 ,  F02D29/04 ,  F02D41/00 ,  F02D41/04 ,  F02D41/14 ,  F02D41/32 ,  F25B30/02

CPC classification number: F01N3/0842 ,  F02D19/022 ,  F02D19/027 ,  F02D29/04 ,  F02D41/0027 ,  F02D41/04 ,  F02D41/1454 ,  F02D41/32 ,  F25B30/02

Abstract: The present disclosure relates to a gas engine heat pump including: an engine which burns a mixed air of air and fuel; a first charger which compresses the mixed air and supplies to the engine; a first exhaust flow path which is connected to the engine, and through which exhaust gas discharged from the engine flows; and a second charger which is driven by the exhaust gas branched from the first exhaust flow path to a second exhaust flow path, and compresses the exhaust gas discharged from the engine and supplies the compressed exhaust gas to the engine, thereby reducing the emission of nitrogen oxide by recirculating the exhaust gas without additional power consumption.