Patents by Inventor Tae Kil Kim
Tae Kil Kim 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: 12184205Abstract: A system for estimating a rotor resistance of an induction motor includes: an equivalent torque curve generation unit to generate an equivalent torque curve based on output torques of the induction motor; a minimum current operation point determination unit to determine a minimum current operation point of the equivalent torque curve; an equivalent current phase variable control unit to variably control a rotor resistance of the induction motor when a stator current command of the minimum current operation point is applied to the induction motor; an output torque detection unit to detect the output torque of the induction motor when the rotor resistance is variably controlled; and a rotor resistance determination unit to determine a maximum torque among the detected output torques and determine an actual rotor resistance of the induction motor based on the rotor resistance when the maximum torque is generated.Type: GrantFiled: December 20, 2022Date of Patent: December 31, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Tae Kil Kim, Jung Hwi Kim, Jae Hak Kim
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Publication number: 20240014755Abstract: A system for estimating a rotor resistance of an induction motor includes: an equivalent torque curve generation unit to generate an equivalent torque curve based on output torques of the induction motor; a minimum current operation point determination unit to determine a minimum current operation point of the equivalent torque curve; an equivalent current phase variable control unit to variably control a rotor resistance of the induction motor when a stator current command of the minimum current operation point is applied to the induction motor; an output torque detection unit to detect the output torque of the induction motor when the rotor resistance is variably controlled; and a rotor resistance determination unit to determine a maximum torque among the detected output torques and determine an actual rotor resistance of the induction motor based on the rotor resistance when the maximum torque is generated.Type: ApplicationFiled: December 20, 2022Publication date: January 11, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Tae Kil Kim, Jung Hwi Kim, Jae Hak Kim
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Patent number: 11545875Abstract: A motor is provided. The motor includes a cooling system configured to cool a stator having a core wound around by a coil, wherein the cooling system includes oil holders installed on a side under the stator in an inner space of a motor housing and provided to allow oil to be collected up to a level capable of allowing at least some of a lower end section of the stator to be immersed for cooling.Type: GrantFiled: June 11, 2020Date of Patent: January 3, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jae Hyeon Lee, Jeong Bin Yim, Jin Ho Kim, Tae Kil Kim, Dae Woong Han, Ji Wan Cha
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Patent number: 11346035Abstract: A washing machine is provided. The washing machine comprises a pulsator rotatably disposed in a rotation tub, a washing shaft rotating in conjunction with the pulsator, and a connecting member which connects the washing shaft and a motor to transmit a driving force of the motor to the washing shaft, wherein the connecting member comprises a first bush coupled to the washing shaft and a second bush coupled to the motor, and the second bush is coupled to the washing shaft to which the first bush is coupled and rotates in engagement with the first bush.Type: GrantFiled: January 10, 2018Date of Patent: May 31, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young-min Choi, Tae-kil Kim, Young-hyun Kim, Young-jin Um, Kyu-nam Lee
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Publication number: 20210277573Abstract: A washing machine is provided. The washing machine comprises a pulsator rotatably disposed in a rotation tub, a washing shaft rotating in conjunction with the pulsator, and a connecting member which connects the washing shaft and a motor to transmit a driving force of the motor to the washing shaft, wherein the connecting member comprises a first bush coupled to the washing shaft and a second bush coupled to the motor, and the second bush is coupled to the washing shaft to which the first bush is coupled and rotates in engagement with the first bush.Type: ApplicationFiled: January 10, 2018Publication date: September 9, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young-min CHOI, Tae-kil KIM, Young-hyun KIM, Young-jin UM, Kyu-nam LEE
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Patent number: 10971961Abstract: A rotor sleeve provides a direct cooling method in which oil flows into the rotor sleeve via a flow passage formed through an input shaft of a transmission and is distributed to a motor coil of a driving motor to cool the motor coil. The rotor sleeve has a flow passage structure capable of maintaining a balance between the amount of oil to be distributed toward a transmission and the amount of oil to be distributed toward an engine.Type: GrantFiled: June 24, 2019Date of Patent: April 6, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Tae Kil Kim, Chul Min Ahn, Dae Woong Han, Jae Young Choi
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Publication number: 20210050764Abstract: A motor is provided. The motor includes a cooling system configured to cool a stator having a core wound around by a coil, wherein the cooling system includes oil holders installed on a side under the stator in an inner space of a motor housing and provided to allow oil to be collected up to a level capable of allowing at least some of a lower end section of the stator to be immersed for cooling.Type: ApplicationFiled: June 11, 2020Publication date: February 18, 2021Inventors: Jae Hyeon Lee, Jeong Bin Yim, Jin Ho Kim, Tae Kil Kim, Dae Woong Han, Ji Wan Cha
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Patent number: 10669664Abstract: In accordance with an aspect of the present disclosure, a washing apparatus including a main motor configured to generate a rotational force and provide the rotational force to a washing shaft; a coupling disposed above the main motor and selectively transmitting the rotational force of the main motor to a spin-drying shaft by vertically moving; a clutch motor configured to generate a tensile force in a radial direction of the coupling; a clutch lever configured to decouple the main motor from the coupling by moving the coupling upward using the tensile force of the clutch motor; and a controller configured to rotate the main motor in a mode switching section from a spin-drying mode, in which the coupling is coupled to the main motor, to a washing mode, in which the coupling is decoupled from the main motor, or from the washing mode to the spin-drying mode.Type: GrantFiled: June 2, 2016Date of Patent: June 2, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Tae-Kil Kim, Young Jin Um, Kyu Nam Lee, Sung Mo Lee, Seung Hun Lee
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Publication number: 20200153300Abstract: A rotor sleeve provides a direct cooling method in which oil flows into the rotor sleeve via a flow passage formed through an input shaft of a transmission and is distributed to a motor coil of a driving motor to cool the motor coil. The rotor sleeve has a flow passage structure capable of maintaining a balance between the amount of oil to be distributed toward a transmission and the amount of oil to be distributed toward an engine.Type: ApplicationFiled: June 24, 2019Publication date: May 14, 2020Inventors: Tae Kil Kim, Chul Min Ahn, Dae Woong Han, Jae Young Choi
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Patent number: 10570549Abstract: A washing machine includes a main body; a washing tub provided inside the main body to receive washing water; a dewatering tub rotatably provided inside the washing tub; a driving device configured to supply a rotational force; a clutch unit to operate in a first mode in which the rotational force generated in the driving device is transmitted to the dewatering tub and a second mode in which the rotational force is not transmitted to the dewatering tub; a clutch motor to switch an operation mode of the clutch unit; and a cam switch switched from a switch-off state to a switch-on state, wherein the cam switch outputs pulses having the same period as a frequency of AC power supplied to the clutch motor in the switch-on state, and when the cam switch is switched from the switch-off state to the switch-on state, the clutch unit is stopped.Type: GrantFiled: February 23, 2017Date of Patent: February 25, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Tae-kil Kim, Jong-woon Park, Sung-mo Lee, Young-jin Hong
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Publication number: 20170241063Abstract: A washing machine includes a main body; a washing tub provided inside the main body to receive washing water; a dewatering tub rotatably provided inside the washing tub; a driving device configured to supply a rotational force; a clutch unit to operate in a first mode in which the rotational force generated in the driving device is transmitted to the dewatering tub and a second mode in which the rotational force is not transmitted to the dewatering tub; a clutch motor to switch an operation mode of the clutch unit; and a cam switch switched from a switch-off state to a switch-on state, wherein the cam switch outputs pulses having the same period as a frequency of AC power supplied to the clutch motor in the switch-on state, and when the cam switch is switched from the switch-off state to the switch-on state, the clutch unit is stopped.Type: ApplicationFiled: February 23, 2017Publication date: August 24, 2017Inventors: Tae-kil Kim, Jong-woon Park, Sung-mo Lee, Young-jin Hong
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Publication number: 20160355967Abstract: In accordance with an aspect of the present disclosure, a washing apparatus including a main motor configured to generate a rotational force and provide the rotational force to a washing shaft; a coupling disposed above the main motor and selectively transmitting the rotational force of the main motor to a spin-drying shaft by vertically moving; a clutch motor configured to generate a tensile force in a radial direction of the coupling; a clutch lever configured to decouple the main motor from the coupling by moving the coupling upward using the tensile force of the clutch motor; and a controller configured to rotate the main motor in a mode switching section from a spin-drying mode, in which the coupling is coupled to the main motor, to a washing mode, in which the coupling is decoupled from the main motor, or from the washing mode to the spin-drying mode.Type: ApplicationFiled: June 2, 2016Publication date: December 8, 2016Inventors: Tae-Kil Kim, Young Jin Um, Kyu Nam Lee, Sung Mo Lee, Seung Hun Lee
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Patent number: 8033143Abstract: A washing machine includes a dehydrating tub which is rotatably mounted, a pulsator which is rotatably mounted in the dehydrating tub, a motor which rotates the dehydrating tub and the pulsator, a washing shaft which transmits a rotational force of the motor to the pulsator, a dehydrating shaft which intermittently transmits the rotational force of the washing shaft to the dehydrating shaft, and a power transmission device which is moved according to rotation of the washing shaft.Type: GrantFiled: February 10, 2009Date of Patent: October 11, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Tae Kil Kim, Jae Han Lim, Seong Kwun Ahn
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Publication number: 20100175437Abstract: Disclosed is a washing machine including a tub; a dehydration basket provided in the tub; a pulsator provided in the dehydration basket; a dehydration shaft to transmit rotary force to the dehydration basket; a wash shaft to transmit rotary force to the pulsator; a driving motor to generate driving force to be transmitted to the dehydration shaft and the wash shaft; and a power conversion device to transmit the driving force of the driving motor simultaneously or selectively to the dehydration shaft and the wash shaft, the power conversion device including a clutch device, and a coupling configured to be pressed in one direction by the clutch device to transmit the driving force of the driving motor to the wash shaft and the dehydration shaft simultaneously and pressed in the other direction by the clutch device to transmit the driving force of the driving motor to the dehydration shaft only.Type: ApplicationFiled: January 11, 2010Publication date: July 15, 2010Applicant: Samsung Electronics Co., Ltd.Inventors: Tae Kil Kim, Myung Sun Kang
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Publication number: 20090211035Abstract: A washing machine includes a dehydrating tub which is rotatably mounted, a pulsator which is rotatably mounted in the dehydrating tub, a motor which rotates the dehydrating tub and the pulsator, a washing shaft which transmits a rotational force of the motor to the pulsator, a dehydrating shaft which intermittently transmits the rotational force of the washing shaft to the dehydrating shaft, and a power transmission device which is moved according to rotation of the washing shaft.Type: ApplicationFiled: February 10, 2009Publication date: August 27, 2009Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae Kil Kim, Jae Han Lim, Seong Kwun Ahn