Patents by Inventor Tae-Sik Min
Tae-Sik Min 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).
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Patent number: 11913098Abstract: A self-healing alloy contains 5 to 11% by weight of molybdenum (Mo), iron (Fe) as a remainder, and unavoidable impurities. A method for manufacturing the self-healing alloy includes heat treating the alloy or preparing an alloy raw material powder and sintering, homogenizing, and cooling the alloy raw material powder.Type: GrantFiled: March 22, 2021Date of Patent: February 27, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Kookmin University Industry Academy Cooperation FoundationInventors: Kyung Sik Choi, Hoo Dam Lee, Tae Gyu Lee, Byung Ho Min, Young Jun Kwon, Keun Won Lee, Yoon Jung Won, Ki Sub Cho
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Patent number: 9869490Abstract: The boiler of the present invention which enables the simultaneous use of heating and hot water includes: an internal heating-water discharge line for heating water, which has a circulation path for heating water forcibly fed by an internal circulation pump between a tank and a main heat exchanger; a supply water discharge line for heating water, which has a circulation path for heating water forcibly fed by an external circulation pump and supplied and returned from/to the tank and an indoor heating mechanism; and a three-way valve provided on a second indoor heating water connecting pipe of the internal heating-water discharge line for heating water, which adjusts the degree to which it is opened according to the indoor heating load and the hot water load in order to supply hot water passing through the main heat exchanger to the tank and a hot-water heat exchanger.Type: GrantFiled: April 15, 2013Date of Patent: January 16, 2018Assignee: KYUNGDONG NAVIEN CO., LTD.Inventor: Tae-Sik Min
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Patent number: 9341370Abstract: A gas boiler and a method of adjusting output of the gas boiler by adjusting mixture ratio of air and gas for combustion in proportion to an output value of the boiler, and continuously changing the mixture regardless of the boiler output. The gas boiler includes a ventilator, a gas valve, a burner, a combustion chamber, a heat exchanger, and an exhaust gas hood. The inlet of the ventilator includes an output adjusting device having an air inlet; an air adjustment valve; a gas outlet; a gas adjustment valve that adjusts the gas passing through the gas outlet; and a valve driving unit that drives the air adjustment valve and the gas adjustment valve. Output of the burner is continuously adjusted by adjusting distance between the air adjustment valve and the gas adjustment valve, and distance between the air inlet and the gas outlet.Type: GrantFiled: August 19, 2011Date of Patent: May 17, 2016Assignee: KYUNDONG NAVIEN CO., LTD.Inventor: Tae-Sik Min
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Patent number: 9121604Abstract: A board-plank premixing burner port arrangement which increases durability by preventing a large force from being applied to a burner-fixing structure despite accumulated thermal expansion caused by red heat on a burner surface. A burner body unit includes partially cut and stacked plates. The plates form a gas mixture passage and a burner port, are disposed such that cut parts of the neighboring plates intersect one another. The board-plank premixing burner port arrangement has increased combustion efficiency by reducing burner port deformation, and is easily manufactured at a low cost through a simplified installation structure of the burner port.Type: GrantFiled: April 22, 2011Date of Patent: September 1, 2015Assignee: KYUNGDONG NAVIEN CO., LTD.Inventor: Tae-Sik Min
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Publication number: 20150090199Abstract: The boiler of the present invention which enables the simultaneous use of heating and hot water includes: an internal heating-water discharge line for heating water, which has a circulation path for heating water forcibly fed by an internal circulation pump between a tank and a main heat exchanger; a supply water discharge line for heating water, which has a circulation path for heating water forcibly fed by an external circulation pump and supplied and returned from/to the tank and an indoor heating mechanism; and a three-way valve provided on a second indoor heating water connecting pipe of the internal heating-water discharge line for heating water, which adjusts the degree to which it is opened according to the indoor heating load and the hot water load in order to supply hot water passing through the main heat exchanger to the tank and a hot-water heat exchanger.Type: ApplicationFiled: April 15, 2013Publication date: April 2, 2015Inventor: Tae-Sik Min
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Patent number: 8944013Abstract: A pipe connecting structure of a water heater. Individual parts in the water heater are integrally coupled with a pipe body, which is injection-molded, provides paths of tap water and hot water, reduces the number of pipes connecting the individual parts, and simplifies the connection structure of the pipes. The pipe connecting structure of the water heater includes a tap water inlet pipe connected from a tap water inlet to a heat exchanger; a hot water supply pipe connected from the heat exchanger to a hot water outlet; a flow sensor for measuring the flow rate of the tap water introduced via the tap water inlet; and a flow control valve for controlling the flow rate of the hot water discharged via the hot water outlet. The pipe body connects and is integral with the tap water inlet, the tap water inlet pipe, the hot water supply pipe, and the hot water outlet.Type: GrantFiled: November 11, 2010Date of Patent: February 3, 2015Assignee: Kyungdong Navien Co., Ltd.Inventor: Tae-Sik Min
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Publication number: 20140262176Abstract: The present invention is directed to providing a hot water heat exchanger which has a simple piping structure and minimizes a flow passage length therein, thereby minimizing flow resistance.Type: ApplicationFiled: November 13, 2012Publication date: September 18, 2014Applicant: KYUNGDONG NAVIEN CO., LTD.Inventor: Tae-Sik Min
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Patent number: 8573161Abstract: Disclosed is a hot water supplying apparatus which has a dual pipe capable of transferring heat energy of hot water, which is heated by heat of combustion of a burner and flows in pipe of a heat exchanger, to an inner pipe in which cold water is introduced, thereby inhibiting the condensation of moisture so as to prevent the corrosion of parts in the hot water supplying apparatus. The hot water supplying apparatus, comprises: a burner for supplying heat; a water inlet pipe for supplying cold water; a heat exchanging pipe formed with a dual pipe including an outer pipe for directly receiving combustion heat of the burner, and an inner pipe formed in the outer pipe, for allowing the cold water, which is introduced through the water inlet pipe, to be heated while passing through the inner pipe; and a water outlet pipe for discharging the heated water from the heat exchanging pipe.Type: GrantFiled: March 7, 2006Date of Patent: November 5, 2013Assignee: Kyungdong Navien Co., Ltd.Inventor: Tae-Sik Min
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Publication number: 20130260325Abstract: A gas boiler and a method of adjusting output of the gas boiler by adjusting mixture ratio of air and gas for combustion in proportion to an output value of the boiler, and continuously changing the mixture regardless of the boiler output. The gas boiler includes a ventilator, a gas valve, a burner, a combustion chamber, a heat exchanger, and an exhaust gas hood. The inlet of the ventilator includes an output adjusting device having an air inlet; an air adjustment valve; a gas outlet; a gas adjustment valve that adjusts the gas passing through the gas outlet; and a valve driving unit that drives the air adjustment valve and the gas adjustment valve. Output of the burner is continuously adjusted by adjusting distance between the air adjustment valve and the gas adjustment valve, and distance between the air inlet and the gas outlet.Type: ApplicationFiled: August 19, 2011Publication date: October 3, 2013Applicant: Kyungdong Navien Co., Ltd.Inventor: Tae-Sik Min
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Publication number: 20130125838Abstract: A latent heat exchanger of a condensing boiler, in which the condensing boiler includes a sensible heat exchanger absorbing combustion sensible heat generated by a burner, a latent heat exchanger absorbing latent heat of water vapor contained in a combustion product heat-exchanged by the sensible heat exchanger, an exhaust hood discharging the combustion product flowing through the latent heat exchanger, and a condensed water outlet discharging condensed water generated from the latent heat exchanger. In the latent heat exchanger the combustion product burnt by the burner flows through the sensible heat exchanger, is vertically raised toward the latent heat exchanger, is slantingly lowered in an outward direction at an acute angle from a horizontal plane, is heat-exchanged by the latent heat exchanger, is vertically raised, and is discharged to the exhaust hood.Type: ApplicationFiled: April 22, 2011Publication date: May 23, 2013Applicant: KYUNGDONG NAVIEN CO., LTD.Inventor: Tae-Sik Min
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Publication number: 20130059258Abstract: A board-plank premixing burner port arrangement which increases durability by preventing a large force from being applied to a burner-fixing structure despite accumulated thermal expansion caused by red heat on a burner surface. A burner body unit includes partially cut and stacked plates. The plates form a gas mixture passage and a burner port, are disposed such that cut parts of the neighboring plates intersect one another. The board-plank premixing burner port arrangement has increased combustion efficiency by reducing burner port deformation, and is easily manufactured at a low cost through a simplified installation structure of the burner port.Type: ApplicationFiled: April 22, 2011Publication date: March 7, 2013Applicant: KYUNGDONG NAVIEN CO., LTD.Inventor: Tae-Sik Min
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Patent number: 8375898Abstract: A heat exchanger of a non-condensing storage type boiler for preventing condensation is provided. The heat exchanger include a heating water outflow port installed on an upper portion of the boiler, a heating water inflow port installed lower than the heating water outflow port, and an internal pipe extending spirally from the heating water inflow port and being installed in a water tube of the boiler. The internal pipe is connected to an extension pipe that extends through a re-entry outlet passing through a wall of the boiler to be connected with a re-entry inlet.Type: GrantFiled: January 3, 2007Date of Patent: February 19, 2013Assignee: Kyungdong Navien Co., Ltd.Inventor: Tae-Sik Min
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Publication number: 20120305105Abstract: A hot-water supply heat exchanger having a mixing valve and a mixing valve integrated adopter are provided to facilitate control of hot water temperature with a simplified pipe structure. A hot-water supply heat exchanger comprises a heat exchange part (100), a heating water inlet (212), a heating water outlet (214), a cold water inlet (222), a hot water outlet (224), and a mixing valve (230). The heat exchange part allows heat exchange between hot water provided from a main heat exchanger (20) with cold water. The heating water inlet draws hot water into the heat exchanger. The to heating water outlet discharges the hot water heat-exchanged by the heat exchanger. The cold water inlet draws the cold water into the heat exchange part. The hot water outlet discharges the cold water that is heat-exchanged with heating water in the heat exchange part. The mixing valve mixes the hot water discharged through the hot water outlet with cold water provided from the cold water inlet.Type: ApplicationFiled: September 8, 2010Publication date: December 6, 2012Applicant: Kyungdong Navien Co., LtdInventor: Tae-Sik Min
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Patent number: 8302566Abstract: Disclosed are an instantaneous boiler and a double pipe heat exchanger for the instantaneous boiler supplying heating water and hot water, which can obtain hot water output larger than heating water output, simultaneously use the heating water and the hot water, and have a simple piping structure. The heat exchanger includes: an outer pipe used for a hot water pathway, to which combustion heat is directly transferred from a burner in a combustion chamber; and an inner pipe used for a heating water pathway and extending through the outer pipe.Type: GrantFiled: March 10, 2006Date of Patent: November 6, 2012Assignee: Kyungdong Everon Co., Ltd.Inventor: Tae-Sik Min
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Patent number: 8291869Abstract: A method and an apparatus are provided for preventing coagulation in an exhaust pipe of a boiler is provided. The method includes operating the boiler and executing a combustion stroke, determining if an ambient air temperature measured by an ambient air temperature detecting sensor is equal to or lower than a first temperature, shifting a 3-way valve to a hot-water location if the measured ambient air temperature is equal to or lower than the first temperature, executing an extinction stroke of a burner if the temperature of space heating water reaches a second temperature, and operating a circulation pump and a blower to exchange heat in a heat exchanger and to discharge warm air through an exhaust pipe, thereby preventing coagulation in the exhaust pipe of the boiler.Type: GrantFiled: October 17, 2007Date of Patent: October 23, 2012Assignee: Kyungdong Navien Co., Ltd.Inventor: Tae Sik Min
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Publication number: 20120244483Abstract: A gas burner for simplifying assembling and manufacturing of a burner flame hole unit by overlapping plates. Portions of the plates are cut so that the cut portions communicate with each other. Flame holes and mixture channels for a mixture of gas and air pass through a gap between the cut portions. The cut portions overlap and communicate with each other between adjacent plates, thereby forming flame holes and channels for flow of the mixture of gas and air through gaps between the cut portions.Type: ApplicationFiled: November 11, 2010Publication date: September 27, 2012Applicant: KYUNGDONG NAVIEN CO., LTD.Inventor: Tae-Sik Min
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Publication number: 20120227681Abstract: A pipe connecting structure of a water heater. Individual parts in the water heater are integrally coupled with a pipe body, which is injection-molded, provides paths of tap water and hot water, reduces the number of pipes connecting the individual parts, and simplifies the connection structure of the pipes. The pipe connecting structure of the water heater includes a tap water inlet pipe connected from a tap water inlet to a heat exchanger; a hot water supply pipe connected from the heat exchanger to a hot water outlet; a flow sensor for measuring the flow rate of the tap water introduced via the tap water inlet; and a flow control valve for controlling the flow rate of the hot water discharged via the hot water outlet. The pipe body connects and is integral with the tap water inlet, the tap water inlet pipe, the hot water supply pipe, and the hot water outlet.Type: ApplicationFiled: November 11, 2010Publication date: September 13, 2012Applicant: KYUNGDONG NAVIEN CO., LTD.Inventor: Tae-Sik Min
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Patent number: 8231103Abstract: A flow control valve controls the flow rate of heated water supplied from a boiler. The valve can normally/reversely turn and control the flow rate in a pipeline using first and second one-way motors, and stops power for one motor when the other motor is rotated. The valve includes a motor assembly including the first and second motors that have power transmission shafts which rotate in opposite directions, a gear assembly including first and second planetary gears that receive power from the motors and a sun gear disposed between and engaged with the planetary gears, a clutch structure between the first planetary gear and motor, and the second planetary gear and motor, that transmits or stops power, and a valve actuator including a shaft that reciprocates up/down by rotation of the sun gear and a valve unit fitted on the lower portion of the shaft that opens/closes the valve.Type: GrantFiled: January 16, 2008Date of Patent: July 31, 2012Assignee: Kyungdong Navien Co.Inventor: Tae-Sik Min
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Patent number: 8215952Abstract: A burner having a variable output structure includes a flame-hole plate having a plurality of flame holes located on a surface of the flame-hole plate. The plurality of flame holes are exposed to a combustion chamber. Further, the burner can include a flame hole adjusting unit configured to change an output of the burner by adjusting a size of each of the plurality of flame holes according to a load required in a combustion device.Type: GrantFiled: March 14, 2008Date of Patent: July 10, 2012Assignee: Kyungdong Navien Co., Ltd.Inventor: Tae Sik Min
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Patent number: 8191859Abstract: The present invention provides a water flow control valve, which has an improved structure, thus reducing manufacturing costs and increasing the reliability of products. To achieve the above-mentioned purpose, the water flow control valve includes synchronous motors (20), which generate drive forces in directions opposite each other, an eccentric cam (30), which is provided between the synchronous motors (20) and converts a direction in which the drive force is transmitted, a power transmission unit (50), which is in rolling contact with the eccentric cam and adjusts the amount of fluid that flows through a housing using operation of the eccentric cam, and ratchet gears (40), which are provided between the synchronous motors and the eccentric cam and transmit the drive force of one of the synchronous motors while preventing the drive force of the remaining synchronous motor from being transmitted in a no-load operation manner.Type: GrantFiled: December 29, 2006Date of Patent: June 5, 2012Assignee: Kyungdong Network Co., Ltd.Inventor: Tae-Sik Min