Patents by Inventor Shinwoo HAN
Shinwoo HAN 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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Publication number: 20240057843Abstract: Disclosed is a dishwasher including: a washing tub in which a rack on which a washing object is seated is disposed; a spray tube which has a rotation shaft extending in a direction intersecting upper and lower shafts, and has a spray nozzle disposed therein to eject flowing washing water in a direction intersecting the rotation shaft; a power applying device that generates power; and a driving module connected to the spray tube so that the power generated by the power applying device is transmitted to the spray tube, wherein the driving module includes: a rotation body which is connected to the power applying device; a pendulum body extending from the spray tube in a direction intersecting the rotation shaft; and a conversion link connected to the rotation body and the pendulum body to convert rotational motion of the rotation body into pendulum motion of the pendulum body.Type: ApplicationFiled: December 6, 2021Publication date: February 22, 2024Inventors: Shinwoo HAN, Sangheon YOON
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Patent number: 11564552Abstract: A dish washer includes: a tub defining a washing space, a spray module disposed inside the tub and configured to spray water to the washing space, a sump configured to store water, a washing pump configured to supply the water stored in the sump to the spray module, and an air jet generator disposed below a bottom surface of the tub and configured to receive a portion of the water discharged from the washing pump to generate air bubbles in the water and discharge the water having air bubbles to the washing space. The air jet generator includes an air pulverizing pipe including a first pipe providing a cross-sectional area reducing in a water flowing direction, a second pipe providing a cross-sectional area increasing in the water flowing direction, and an air tab disposed at an upper portion of the second pipe.Type: GrantFiled: July 1, 2020Date of Patent: January 31, 2023Assignee: LG Electronics Inc.Inventors: Soonyong Kwon, Yongjin Choi, Kyuchang Jung, Shinwoo Han, Pilsu Kim, Sangsoo Ahn
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Patent number: 11484178Abstract: A dishwasher includes a tub in which tableware is stored; a washing nozzle which is installed in the tub and sprays washing water; a washing pump which pumps the washing water to the washing nozzle; a sump in which the washing water is stored; and an air jet generator which is mounted in the tub, and supplies air to the washing water to contain an air bubble; wherein the air jet generator comprises: an air jet nozzle which sprays the washing water containing the air bubble into the tub; a discharge port which discharges the washing water containing the air bubble to the air jet nozzle; and a cap which surrounds at least a portion of the discharge port exposed in the tub.Type: GrantFiled: April 24, 2020Date of Patent: November 1, 2022Assignee: LG Electronics Inc.Inventors: Soonyong Kwon, Yongjin Choi, Kyuchang Jung, Shinwoo Han, Pilsu Kim, Sangsoo Ahn
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Patent number: 11389044Abstract: A dish washer includes a tub defining a washing space, a base disposed below the tub and defining a space below the tub, a sump disposed in the space defined by the base and configured to store water, a washing pump disposed in the space defined by the base and configured to supply the water stored in the sump to the washing space, and an air jet generator having a venturi shape including an air inlet provided on one side, an inlet having a downward opening, and an outlet provided above a bottom surface of the tub. The air jet generator further includes a tub mounting portion fixing an upper portion of the air jet generator to the bottom surface of the tub and a base fixing portion disposed below the tub mounting portion, the base fixing portion coupling a lower portion of the air jet generator to the base.Type: GrantFiled: July 1, 2020Date of Patent: July 19, 2022Assignee: LG Electionics Inc.Inventors: Soonyong Kwon, Yongjin Choi, Kyuchang Jung, Shinwoo Han, Pilsu Kim, Sangsoo Ahn
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Patent number: 11116379Abstract: An air jet generator according to an embodiment of the present invention includes: an impeller which applies centrifugal force to washing water flowing in a forward direction; a decompression portion which decreases a pressure of the washing water that flows; an air suction portion which is opened to allow air to flow into the decompression portion; a pressing portion which increases pressure so as to crush the air introduced from the air suction portion; an air tap which has a plurality of holes so as to crush the air contained in the washing water that passed through the pressing portion; and a reverse spray nozzle which sprays the washing water toward the air tap in a reverse direction.Type: GrantFiled: August 3, 2017Date of Patent: September 14, 2021Assignee: LG Electronics Inc.Inventors: Yongjin Choi, Shinwoo Han
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Patent number: 11039729Abstract: The dishwasher of the present invention includes: a tub in which a dish washing space is formed; a sump which contains washing water supplied into the tub; a spray module which sprays washing water toward dishes; a pump which supplies the washing water stored in the sump to the spray module; an air jet generator which receives a part of the washing water discharged from the pump to form an air bubble in the washing water; and a discharge module which discharges the washing water containing the air bubble discharged from the air jet generator to a side surface of the tub.Type: GrantFiled: August 3, 2017Date of Patent: June 22, 2021Assignee: LG Electronics Inc.Inventors: Sangik Lee, Yongjin Choi, Jaechul Lee, Shinwoo Han
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Patent number: 10912441Abstract: A dishwasher includes: a spray module which sprays washing water toward dishes; a sump which supplies washing water to the spray module; a pump which pumps washing water stored in the sump to the spray module; and an air jet generator which receives a part of washing water pumped from the pump to form an air bubble in washing water and discharges the air bubble to the sump, wherein the air jet generator comprises: a decompression portion which decreases a pressure of washing water; an air suction portion which is opened to allow air to flow into the decompression portion; a pressing portion which increases pressure so as to crush the air introduced from the air suction portion; and an air tap which has a plurality of holes configured to crush the air contained in washing water that passed through the pressing portion.Type: GrantFiled: August 3, 2017Date of Patent: February 9, 2021Assignee: LG Electronics Inc.Inventors: Yongjin Choi, Shinwoo Han, Taehee Lee
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Publication number: 20210000322Abstract: Disclosed is a dishwasher.Type: ApplicationFiled: February 13, 2019Publication date: January 7, 2021Inventors: Shinwoo HAN, Yongjin CHOI, Kyuchang JUNG
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Publication number: 20210000323Abstract: A dish washer includes: a tub defining a washing space, a spray module disposed inside the tub and configured to spray water to the washing space, a sump configured to store water, a washing pump configured to supply the water stored in the sump to the spray module, and an air jet generator disposed below a bottom surface of the tub and configured to receive a portion of the water discharged from the washing pump to generate air bubbles in the water and discharge the water having air bubbles to the washing space. The air jet generator includes an air pulverizing pipe including a first pipe providing a cross-sectional area reducing in a water flowing direction, a second pipe providing a cross-sectional area increasing in the water flowing direction, and an air tab disposed at an upper portion of the second pipe.Type: ApplicationFiled: July 1, 2020Publication date: January 7, 2021Inventors: Soonyong KWON, Yongjin CHOI, Kyuchang JUNG, Shinwoo HAN, Pilsu KIM, Sangsoo AHN
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Publication number: 20210000324Abstract: A dish washer includes a tub defining a washing space, a base disposed below the tub and defining a space below the tub, a sump disposed in the space defined by the base and configured to store water, a washing pump disposed in the space defined by the base and configured to supply the water stored in the sump to the washing space, and an air jet generator having a venturi shape including an air inlet provided on one side, an inlet having a downward opening, and an outlet provided above a bottom surface of the tub. The air jet generator further includes a tub mounting portion fixing an upper portion of the air jet generator to the bottom surface of the tub and a base fixing portion disposed below the tub mounting portion, the base fixing portion coupling a lower portion of the air jet generator to the base.Type: ApplicationFiled: July 1, 2020Publication date: January 7, 2021Inventors: Soonyong KWON, Yongjin CHOI, Kyuchang JUNG, Shinwoo HAN, Pilsu KIM, Sangsoo AHN
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Publication number: 20200337520Abstract: A dishwasher includes a tub in which tableware is stored; a washing nozzle which is installed in the tub and sprays washing water; a washing pump which pumps the washing water to the washing nozzle; a sump in which the washing water is stored; and an air jet generator which is mounted in the tub, and supplies air to the washing water to contain an air bubble; wherein the air jet generator comprises: an air jet nozzle which sprays the washing water containing the air bubble into the tub; a discharge port which discharges the washing water containing the air bubble to the air jet nozzle; and a cap which surrounds at least a portion of the discharge port exposed in the tub.Type: ApplicationFiled: April 24, 2020Publication date: October 29, 2020Inventors: Soonyong KWON, Yongjin CHOI, Kyuchang JUNG, Shinwoo HAN, Pilsu KIM, Sangsoo AHN
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Publication number: 20190200837Abstract: A dishwasher includes: a spray module which sprays washing water toward dishes; a sump which supplies washing water to the spray module; a pump which pumps washing water stored in the sump to the spray module; and an air jet generator which receives a part of washing water pumped from the pump to form an air bubble in washing water and discharges the air bubble to the sump, wherein the air jet generator comprises: a decompression portion which decreases a pressure of washing water; an air suction portion which is opened to allow air to flow into the decompression portion; a pressing portion which increases pressure so as to crush the air introduced from the air suction portion; and an air tap which has a plurality of holes configured to crush the air contained in washing water that passed through the pressing portion.Type: ApplicationFiled: August 3, 2017Publication date: July 4, 2019Inventors: Yongjin CHOI, Shinwoo HAN, Taehee LEE
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Publication number: 20190167067Abstract: The dishwasher of the present invention includes: a tub in which a dish washing space is formed; a sump which contains washing water supplied into the tub; a spray module which sprays washing water toward dishes; a pump which supplies the washing water stored in the sump to the spray module; an air jet generator which receives a part of the washing water discharged from the pump to form an air bubble in the washing water; and a discharge module which discharges the washing water containing the air bubble discharged from the air jet generator to a side surface of the tub.Type: ApplicationFiled: August 3, 2017Publication date: June 6, 2019Applicant: LG Electronics Inc.Inventors: Sangik LEE, Yongjin CHOI, Jaechul LEE, Shinwoo HAN
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Publication number: 20190159651Abstract: An air jet generator according to an embodiment of the present invention includes: an impeller which applies centrifugal force to washing water flowing in a forward direction; a decompression portion which decreases a pressure of the washing water that flows; an air suction portion which is opened to allow air to flow into the decompression portion; a pressing portion which increases pressure so as to crush the air introduced from the air suction portion; an air tap which has a plurality of holes so as to crush the air contained in the washing water that passed through the pressing portion; and a reverse spray nozzle which sprays the washing water toward the air tap in a reverse direction.Type: ApplicationFiled: August 3, 2017Publication date: May 30, 2019Applicant: LG Electronics Inc.Inventors: Yongjin CHOI, Shinwoo HAN
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Patent number: 10226160Abstract: A dishwasher includes a cabinet having a tub, a pump and at least one spray arm. The at least one spray arm has a flow path guide and first and second flow channels separated from each other. The flow path guide has a first opening to allow wash water to flow to the first flow channel and a second opening to allow wash water to flow to the second flow channel. A valve is coupled to the flow path guide and is configured to open or close one of the first opening and the second opening. The valve includes a rotatable float. The rotatable float closes the first opening while opening the second opening at a first point in time, and the rotatable float rotates to open the second opening while closing the second opening at a second point in time.Type: GrantFiled: July 8, 2015Date of Patent: March 12, 2019Assignee: LG ELECTRONICS INC.Inventors: Shinwoo Han, Joonho Pyo, Jaechul Lee, Daegyu Kim, Seyoung Woo
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Patent number: 9867519Abstract: A dishwasher is disclosed that includes a tub, an upper rack and a lower rack arranged in the tub and configured to receive objects a lower arm, a water supply pump configured to supply water to the lower arm chamber, a tower nozzle included in the lower rack and configured to inject water to the upper rack, a tower connection part detachable from the detachable pipe chamber and configured to connect and supply water to the tower nozzle based on being detached from the detachable pipe chamber, and a channel change unit provided in the lower arm chamber configured to alternately open (i) the chamber communication hole and (ii) an arm channel communication hole based on water pressure inside the lower arm chamber.Type: GrantFiled: June 14, 2013Date of Patent: January 16, 2018Assignee: LG Electronics Inc.Inventors: Daegyu Kim, Byeonghyeon Ju, Shinwoo Han, Joonho Pyo, Younghwan Park
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Patent number: 9700194Abstract: The present disclosure relates to a dishwasher having a spray arm for spraying water to a lower rack and a tower nozzle for supplying water to an upper rack. The dishwasher may reduce (e.g., prevent) leakage of water from the tower nozzle, and may supply water to either the spray arm or to the tower nozzle through a rotating nozzle depending on a pressure of water.Type: GrantFiled: April 18, 2013Date of Patent: July 11, 2017Assignee: LG Electronics Inc.Inventors: Shinwoo Han, Daegyu Kim, Joonho Pyo
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Publication number: 20160015241Abstract: A dishwasher includes a cabinet having a tub, a pump and at least one spray arm. The at least one spray arm has a flow path guide and first and second flow channels separated from each other. The flow path guide has a first opening to allow wash water to flow to the first flow channel and a second opening to allow wash water to flow to the second flow channel. A valve is coupled to the flow path guide and is configured to open or close one of the first opening and the second opening. The valve includes a rotatable float. The rotatable float closes the first opening while opening the second opening at a first point in time, and the rotatable float rotates to open the second opening while closing the second opening at a second point in time.Type: ApplicationFiled: July 8, 2015Publication date: January 21, 2016Inventors: Shinwoo HAN, Joonho PYO, Jaechul LEE, Daegyu KIM, Seyoung WOO
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Patent number: 9173541Abstract: A dishwashing machine includes a lower arm disposed at a lower side of a lower rack to spray wash water to the lower rack, a rack fixing unit provided at the lower rack, and a tower nozzle fixed to the rack fixing unit to spray wash water to an upper rack. The dishwashing machine also includes a tower connection unit provided in the lower arm such that at least a portion of the tower connection unit is configured to move from the lower arm. The tower connection unit being connected to the tower nozzle to supply wash water to the tower nozzle based on the tower connection unit moving from the lower arm. The rack fixing unit includes a guide configured to guide movement of the tower connection unit withdrawn from the lower arm to the tower nozzle.Type: GrantFiled: September 6, 2013Date of Patent: November 3, 2015Assignee: LG Electronics Inc.Inventors: Shinwoo Han, Joonho Pyo, Younghwan Park, Daegyu Kim, Byeonghyeon Ju
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Publication number: 20140102492Abstract: A dishwasher is disclosed that includes a tub, an upper rack and a lower rack arranged in the tub and configured to receive objects a lower arm, a water supply pump configured to supply water to the lower arm chamber, a tower nozzle included in the lower rack and configured to inject water to the upper rack, a tower connection part detachable from the detachable pipe chamber and configured to connect and supply water to the tower nozzle based on being detached from the detachable pipe chamber, and a channel change unit provided in the lower arm chamber configured to alternately open (i) the chamber communication hole and (ii) an arm channel communication hole based on water pressure inside the lower arm chamber.Type: ApplicationFiled: June 14, 2013Publication date: April 17, 2014Inventors: Daegyu KIM, Byeonghyeon JU, Shinwoo HAN, Joonho PYO, Younghwan PARK