Patents by Inventor Hyukjin AHN
Hyukjin AHN 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: 11445879Abstract: The present disclosure discloses a dust collector for a vacuum cleaner, including a first cyclone disposed within an outer case to filter out dust from air introduced from an outside thereof and introduce the air from which dust has been filtered out to an inside thereof, a second cyclone accommodated in the inside of the first cyclone to separate fine dust from the air introduced to the inside of the first cyclone, a first guide vane spirally extended from an annular shaped first space between the first and the second cyclone to induce rotational flow so as to introduce air introduced into the first space to an inlet of the second cyclone, and a second guide vane spirally extended along an inner circumference of the inlet to enhance the rotational flow of air introduced to an inside of the second cyclone through the inlet.Type: GrantFiled: July 26, 2019Date of Patent: September 20, 2022Assignee: LG ELECTRONICS INC.Inventors: Kietak Hyun, Seungyeop Lee, Hyukjin Ahn
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Patent number: 10925452Abstract: The present disclosure discloses a dust collector for a vacuum cleaner including a first cyclone installed within an outer case to filter out dust from air inhaled from an outside thereof and introduce the air from which dust has been filtered out into an inside thereof, a plurality of second cyclones accommodated in the inside of the first cyclone to separate fine dust from the air introduced to the inside of the first cyclone, and a cover member disposed to cover an inlet of the second cyclone, wherein cyclones disposed adjacent to each other among the first and the second cyclones limit a first space within the first cyclone, and the cover member forms a second space communicating with the first space between the inlet and the cover member, and a guide vane extended in a spiral shape along an inner circumference thereof is provided at the inlet to induce rotational flow in air introduced to an inside of the second cyclone through the first and the second space.Type: GrantFiled: November 20, 2015Date of Patent: February 23, 2021Assignee: LG ELECTRONICS INC.Inventors: Kietak Hyun, Seungyeop Lee, Hyukjin Ahn
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Patent number: 10849476Abstract: A vacuum cleaner includes a first cyclone configured to separate dust from air introduced together with foreign objects from a lower side thereof and discharge the separated dust to a first dust storage chamber through an outlet provided at an upper portion thereof, a plurality of second cyclones arranged on an inner circumferential surface of the case and configured to separate fine dust from air which has passed through the first cyclone and discharge the separated fine dust to a second dust storage chamber differentiated from the first dust storage chamber, and a lower configured to form bottom surfaces of the first dust storage chamber and the second dust storage chamber.Type: GrantFiled: November 29, 2018Date of Patent: December 1, 2020Assignee: LG ELECTRONICS INC.Inventors: Kietak Hyun, Seungyeop Lee, Hyukjin Ahn
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Patent number: 10791898Abstract: The present disclosure discloses a dust collector for a vacuum cleaner, including a first cyclone disposed within an outer case to filter out dust from air introduced from an outside thereof and introduce the air from which dust has been filtered out to an inside thereof, a second cyclone accommodated in the inside of the first cyclone to separate fine dust from the air introduced to the inside of the first cyclone, a first guide vane spirally extended from an annular shaped first space between the first and the second cyclone to induce rotational flow so as to introduce air introduced into the first space to an inlet of the second cyclone, and a second guide vane spirally extended along an inner circumference of the inlet to enhance the rotational flow of air introduced to an inside of the second cyclone through the inlet.Type: GrantFiled: January 13, 2016Date of Patent: October 6, 2020Assignee: LG ELECTRONICS INC.Inventors: Kietak Hyun, Seungyeop Lee, Hyukjin Ahn
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Patent number: 10758099Abstract: The present disclosure discloses a dust collector for a vacuum cleaner, including a first cyclone disposed within an outer case to filter out dust from air introduced from an outside thereof and introduce the air from which dust has been filtered out to an inside thereof, a second cyclone accommodated in the inside of the first cyclone to separate fine dust from the air introduced to the inside of the first cyclone, a first guide vane spirally extended from an annular shaped first space between the first and the second cyclone to induce rotational flow so as to introduce air introduced into the first space to an inlet of the second cyclone, and a second guide vane spirally extended along an inner circumference of the inlet to enhance the rotational flow of air introduced to an inside of the second cyclone through the inlet.Type: GrantFiled: January 13, 2016Date of Patent: September 1, 2020Assignee: LG ELECTRONICS INC.Inventors: Kietak Hyun, Seungyeop Lee, Hyukjin Ahn
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Patent number: 10492652Abstract: A dust collector for a vacuum cleaner disclosed herein includes an outer case forming a lateral appearance of the dust collector, and provided with a first cyclone unit capable of filtering out dust from externally-introduced air and allowing an introduction of the dust-filtered air therein, and an upper case coupled to an upper portion of the outer case to cover the first cyclone unit, the outer case including a second cyclone unit capable of separating fine dust from the air introduced into the first cyclone unit, and a fine dust collecting unit capable of collecting the fine dust separated through the second cyclone unit, wherein the second cyclone unit includes a left cyclone portion and a right cyclone portion disposed at both left and right sides of the fine dust collecting unit and each having outlets, each of the outlets communicating with an inside of the fine dust collecting unit.Type: GrantFiled: January 19, 2016Date of Patent: December 3, 2019Assignee: LG ELECTRONICS INC.Inventors: Kietak Hyun, Seungyeop Lee, Hyukjin Ahn
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Publication number: 20190343353Abstract: The present disclosure discloses a dust collector for a vacuum cleaner, including a first cyclone disposed within an outer case to filter out dust from air introduced from an outside thereof and introduce the air from which dust has been filtered out to an inside thereof, a second cyclone accommodated in the inside of the first cyclone to separate fine dust from the air introduced to the inside of the first cyclone, a first guide vane spirally extended from an annular shaped first space between the first and the second cyclone to induce rotational flow so as to introduce air introduced into the first space to an inlet of the second cyclone, and a second guide vane spirally extended along an inner circumference of the inlet to enhance the rotational flow of air introduced to an inside of the second cyclone through the inlet.Type: ApplicationFiled: July 26, 2019Publication date: November 14, 2019Inventors: Kietak Hyun, Seungyeop Lee, Hyukjin Ahn
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Patent number: 10285551Abstract: The dust collector, that may be used in vacuum cleaner, includes: a primary cyclone unit separating dust from air introduced from outside the dust collector; and a secondary cyclone unit defining axial cyclone bodies separating fine dust from air introduced in an axial direction. The secondary cyclone unit includes casings having outer walls around hollow portions; and a fine dust separating member disposed on the casings to form the axial cyclones. The fine dust separating member includes vortex finders disposed in the casings; band portions enclosing an outer circumferential surface of the vortex finders at a position spaced from the vortex finders, and having a shape corresponding to the casings so as to form the axial cyclones together with the casings; and guide vanes disposed between the vortex finders and the band portions and extending in a spiral direction to induce a rotational flow of air.Type: GrantFiled: April 14, 2017Date of Patent: May 14, 2019Assignee: LG ELECTRONICS INC.Inventors: Kietak Hyun, Hyukjin Ahn, Hyungsoon Lee
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Patent number: 10271701Abstract: A dust collector includes a primary cyclone unit to separate dust from air introduced from outside dust collector and a secondary cyclone unit includes axial cyclones which separate fine dust from air introduced in an axial direction. The secondary cyclone unit includes a first group of axial cyclones disposed along a circumference of a first circle so as to contact an inner circumferential surface of an inner case, and formed to be partially spaced apart from the inner circumferential surface of the inner case to form first passages therebetween; and a second group of axial cyclones disposed to contact each other along a circumference of a second circle concentric with the first circle and smaller than the first circle, and formed to contact some of the first group of axial cyclones and to be spaced apart from others of the first group axial cyclones to form second passages therebetween.Type: GrantFiled: April 14, 2017Date of Patent: April 30, 2019Assignee: LG ELECTRONICS INC.Inventors: Kietak Hyun, Hyukjin Ahn, Hyungsoon Lee, Soohan Eo, Sangchul Lee, Jungmin Ko
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Publication number: 20190090707Abstract: A vacuum cleaner includes a first cyclone configured to separate dust from air introduced together with foreign objects from a lower side thereof and discharge the separated dust to a first dust storage chamber through an outlet provided at an upper portion thereof, a plurality of second cyclones arranged on an inner circumferential surface of the case and configured to separate fine dust from air which has passed through the first cyclone and discharge the separated fine dust to a second dust storage chamber differentiated from the first dust storage chamber, and a lower configured to form bottom surfaces of the first dust storage chamber and the second dust storage chamber.Type: ApplicationFiled: November 29, 2018Publication date: March 28, 2019Inventors: Kietak HYUN, Seungyeop LEE, Hyukjin AHN
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Patent number: 10194778Abstract: A dust collector for a vacuum cleaner, including a first cyclone disposed within an outer case to filter out dust from air introduced from an outside thereof and introduce the air from which dust has been filtered out to an inside thereof, a second cyclone accommodated in the inside of the first cyclone to form a first space between the first cyclone and the second cyclone to separate fine dust from the air introduced to the inside of the first cyclone, and a guide vane spirally extended along an inner circumference of the second cyclone to induce rotational flow to the air introduced to an inside of the second cyclone through an inlet of the second cyclone via the first space, wherein the guide vane is integrally provided on the second cyclone.Type: GrantFiled: January 19, 2016Date of Patent: February 5, 2019Assignee: LG ELECTRONICS INC.Inventors: Kietak Hyun, Seungyeop Lee, Hyukjin Ahn
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Publication number: 20180279846Abstract: The present disclosure discloses a dust collector for a vacuum cleaner including a first cyclone installed within an outer case to filter out dust from air inhaled from an outside thereof and introduce the air from which dust has been filtered out into an inside thereof, a plurality of second cyclones accommodated in the inside of the first cyclone to separate fine dust from the air introduced to the inside of the first cyclone, and a cover member disposed to cover an inlet of the second cyclone, wherein cyclones disposed adjacent to each other among the first and the second cyclones limit a first space within the first cyclone, and the cover member forms a second space communicating with the first space between the inlet and the cover member, and a guide vane extended in a spiral shape along an inner circumference thereof is provided at the inlet to induce rotational flow in air introduced to an inside of the second cyclone through the first and the second space.Type: ApplicationFiled: November 20, 2015Publication date: October 4, 2018Inventors: Kietak HYUN, Seungyeop LEE, Hyukjin AHN
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Publication number: 20180271343Abstract: The present disclosure discloses a dust collector for a vacuum cleaner, including a first cyclone disposed within an outer case to filter out dust from air introduced from an outside thereof and introduce the air from which dust has been filtered out to an inside thereof, a second cyclone accommodated in the inside of the first cyclone to separate fine dust from the air introduced to the inside of the first cyclone, a first guide vane spirally extended from an annular shaped first space between the first and the second cyclone to induce rotational flow so as to introduce air introduced into the first space to an inlet of the second cyclone, and a second guide vane spirally extended along an inner circumference of the inlet to enhance the rotational flow of air introduced to an inside of the second cyclone through the inlet.Type: ApplicationFiled: January 13, 2016Publication date: September 27, 2018Inventors: Kietak HYUN, Seungyeop LEE, Hyukjin AHN
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Patent number: 10041203Abstract: A clothes treating apparatus may include a heat pump that is detachable and controlled according to a plurality of operation modes. The plurality of operation modes may include a drying mode configured to control operation of the heat pump when the heat pump is mounted on the cabinet and a dehumidification mode configured to control operation of the heat pump when the heat pump is separated from the cabinet. The heat pump may be used in a separable manner when separated therefrom as well as when mounted thereon.Type: GrantFiled: January 15, 2015Date of Patent: August 7, 2018Assignee: LG ELECTRONICS INC.Inventors: Hyukjin Ahn, Byeongjo Ryoo, Yongju Lee
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Patent number: 9955837Abstract: A dust collector for a vacuum cleaner disclosed herein includes a first cyclone that is configured to separate dust from air introduced from a lower portion thereof with containing foreign materials and discharge the separated dust into a first dust storing unit, a second cyclone that is configured to separate fine dust from the air, from which the dust has been separated by the first cyclone, and discharge the separated fine dust into a second dust storing unit defined in a second case, and a lower cover that is coupled to the first case by a hinge so as to define a bottom surface of the first dust storing unit, the second dust storing unit and the first cyclone upon being closed, and discharge therethrough the foreign materials collected in the first dust storing unit, the second dust storing unit and the first cyclone upon being open.Type: GrantFiled: March 9, 2015Date of Patent: May 1, 2018Assignee: LG ELECTRONICS INC.Inventors: Kietak Hyun, Seungyeop Lee, Hyukjin Ahn
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Publication number: 20180000302Abstract: A dust collector for a vacuum cleaner disclosed herein includes an outer case forming a lateral appearance of the dust collector, and provided with a first cyclone unit capable of filtering out dust from externally-introduced air and allowing an introduction of the dust-filtered air therein, and an upper case coupled to an upper portion of the outer case to cover the first cyclone unit, the outer case including a second cyclone unit capable of separating fine dust from the air introduced into the first cyclone unit, and a fine dust collecting unit capable of collecting the fine dust separated through the second cyclone unit, wherein the second cyclone unit includes a left cyclone portion and a right cyclone portion disposed at both left and right sides of the fine dust collecting unit and each having outlets, each of the outlets communicating with an inside of the fine dust collecting unit.Type: ApplicationFiled: January 19, 2016Publication date: January 4, 2018Inventors: Kietak HYUN, Seungyeop LEE, Hyukjin AHN
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Patent number: 9816220Abstract: A fabric treatment apparatus including a fabric receiving unit having a fabric receiving space formed therein, a steam spray device for supplying evaporation heat to water introduced thereinto to generate steam to be sprayed to the fabric receiving unit, and an additive supply device for receiving an additive to be dissolved in water flowing to the steam spray device, the additive supply device having a hole, through which water to be mixed with the additive is introduced, the hole being opened by fluid pressure of water flowing to the steam spray device.Type: GrantFiled: December 12, 2014Date of Patent: November 14, 2017Assignee: LG ELECTRONICS INC.Inventors: Hyukjin Ahn, Sungho Song, Sungmin Ye
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Patent number: 9809920Abstract: A fabric treatment apparatus including a steam spray device for heating water to generate steam and for spraying the generated steam into a space in which fabric is received and a water supply valve for adjusting flow of water supplied to the steam spray device to generate steam. A control method of the fabric treatment apparatus including controlling the water supply valve to be repeatedly opened and closed according to a first pattern and controlling the water supply valve to be repeatedly opened and closed according to a second pattern, the second pattern supplying a larger amount of water than in the first pattern for the same time period.Type: GrantFiled: December 12, 2014Date of Patent: November 7, 2017Assignee: LG ELECTRONICS INC.Inventors: Hyukjin Ahn, Sungmin Ye, Minji Kim
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Patent number: 9808134Abstract: A dust collector for a vacuum cleaner disclosed herein includes a first cyclone to primarily separate dust from air introduced from a lower portion thereof with containing foreign materials and discharge the separated dust into the first dust storing unit, a second cyclone extending in an intersecting direction with an extending direction of the first cyclone and configured to secondarily separate fine dust from the air introduced from the first cyclone and discharge the separated fine dust into a second dust storing unit, and a lower cover defining a bottom surface of the first dust storing unit, the second dust storing unit and the first cyclone and coupled to the first dust storing unit by a hinge such that the foreign materials collected in the first dust storing unit, the second dust storing unit and the first cyclone are discharged upon being open.Type: GrantFiled: March 9, 2015Date of Patent: November 7, 2017Assignee: LG ELECTRONICS INC.Inventors: Kietak Hyun, Seungyeop Lee, Hyukjin Ahn
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Publication number: 20170296016Abstract: The dust collector, that may be used in vacuum cleaner, includes: a primary cyclone unit separating dust from air introduced from outside the dust collector; and a secondary cyclone unit defining axial cyclone bodies separating fine dust from air introduced in an axial direction. The secondary cyclone unit includes casings having outer walls around hollow portions; and a fine dust separating member disposed on the casings to form the axial cyclones. The fine dust separating member includes vortex finders disposed in the casings; band portions enclosing an outer circumferential surface of the vortex finders at a position spaced from the vortex finders, and having a shape corresponding to the casings so as to form the axial cyclones together with the casings; and guide vanes disposed between the vortex finders and the band portions and extending in a spiral direction to induce a rotational flow of air.Type: ApplicationFiled: April 14, 2017Publication date: October 19, 2017Inventors: Kietak HYUN, Hyukjin AHN, Hyungsoon LEE