Patents by Inventor Dong-hun Yoo
Dong-hun Yoo 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: 11229332Abstract: A vacuum cleaner that includes a first cleaner module and a second cleaner module that is removably coupled to the first cleaner module. The first cleaner module includes a first body and a first dust collection unit, and the second cleaner module includes a second body and a second dust collection unit. Thus, when done in an upright mode, cleaning can be done with a sufficiently great suction force. When done in a handy mode after the second cleaner module is separated, cleaning can be easily done using the second cleaner module.Type: GrantFiled: September 13, 2018Date of Patent: January 25, 2022Assignee: Samsung Electronics Co. Ltd.Inventors: Tae Woon Lim, Tae Gwang Kim, Jeong Hee Cho, Tak Soo Kim, Dong Hun Yoo, Byung Jo Lee, Yun Won Jung
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Patent number: 11147421Abstract: A handy-stick type vacuum cleaner is disclosed. The disclosed vacuum cleaner can comprise: a first part including a dust collection unit; a second part including a suction motor and a handle; a third part for connecting the first and second parts such that the first and second parts rotate with each other; and a mode setting unit disposed inside the second part so as to selectively lock and unlock the third part, thereby setting a rotating mode enabling the first and second parts to rotate with each other and a fixing mode disabling the rotation thereof.Type: GrantFiled: July 13, 2018Date of Patent: October 19, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Dong-hyun Lee, Dong-hun Yoo, Tae-woon Lim
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Patent number: 10849473Abstract: Disclosed is a vacuum cleaner having a structure for preventing foreign matter from entering between a drum brush and a bearing. A vacuum cleaner includes a suction portion formed with a suction port through which air and foreign matter are sucked. The suction portion includes a housing and a drum brush rotatably provided in the housing. The drum brush includes a rotating drum rotating by receiving a driving force and a brush mounted on the rotating drum. The housing is provided with an annular blocking rib, and the brush located at one end of the drum brush is configured to be accommodated in the blocking rib.Type: GrantFiled: January 26, 2017Date of Patent: December 1, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae Woon Lim, Dong Hun Yoo, Byung Hun Jung
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Patent number: 10799080Abstract: Disclosed herein is a cleaner with improved cleaning efficiency. A cleaner includes a main body having a dust collecting unit and a suction head including a head cover, a base plate having a suction port to suck in foreign substances on a surface to be cleaned and coupled to the head cover, and a brush rotatably provided between the head cover and the base plate, wherein the base plate includes a first inclined portion slantly extending from a front end of the suction port with respect to the surface to be cleaned, and a second inclined portion slantly extending from a rear end of the suction port with respect to the surface to be cleaned, and integrally formed with the first inclined portion.Type: GrantFiled: July 21, 2017Date of Patent: October 13, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jeong Hee Cho, Sang Il Hyun, Tae Gwang Kim, Byung Jo Lee, Dong Hun Yoo
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Publication number: 20200138254Abstract: A handy-stick type vacuum cleaner is disclosed. The disclosed vacuum cleaner can comprise: a first part including a dust collection unit; a second part including a suction motor and a handle; a third part for connecting the first and second parts such that the first and second parts rotate with each other; and a mode setting unit disposed inside the second part so as to selectively lock and unlock the third part, thereby setting a rotating mode enabling the first and second parts to rotate with each other and a fixing mode disabling the rotation thereof.Type: ApplicationFiled: July 13, 2018Publication date: May 7, 2020Inventors: Dong-hyun LEE, Dong-hun YOO, Tae-woon LIM
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Patent number: 10292552Abstract: Disclosed herein is a vacuum cleaner having an improved structure capable of removing hair and foreign substances wound around a drum brush. The vacuum cleaner includes a cleaner main body, a suction brush connected to the cleaner main body and including a suction channel configured to clean a surface to be cleaned by suction force, and a drum brush case provided to be detachable in a forward direction from the suction brush and configured to form an intake port connected to the suction channel.Type: GrantFiled: September 2, 2016Date of Patent: May 21, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae Woon Lim, Dong Hun Yoo, Hyoun Soo Kim, Seok Bong Baek
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Publication number: 20190008337Abstract: A vacuum cleaner that includes a first cleaner module and a second cleaner module that is removably coupled to the first cleaner module. The first cleaner module includes a first body and a first dust collection unit, and the second cleaner module includes a second body and a second dust collection unit. Thus, when done in an upright mode, cleaning can be done with a sufficiently great suction force. When done in a handy mode after the second cleaner module is separated, cleaning can be easily done using the second cleaner module.Type: ApplicationFiled: September 13, 2018Publication date: January 10, 2019Applicant: Samsung Electronics Co., Ltd.Inventors: Tae Woon LIM, Tae Gwang KIM, Jeong Hee CHO, Tak Soo KIM, Dong Hun YOO, Byung Jo LEE, Yun Won JUNG
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Publication number: 20190000289Abstract: Disclosed is a vacuum cleaner having a structure for preventing foreign matter from entering between a drum brush and a bearing. A vacuum cleaner includes a suction portion formed with a suction port through which air and foreign matter are sucked. The suction portion includes a housing and a drum brush rotatably provided in the housing. The drum brush includes a rotating drum rotating by receiving a driving force and a brush mounted on the rotating drum. The housing is provided with an annular blocking rib, and the brush located at one end of the drum brush is configured to be accommodated in the blocking rib.Type: ApplicationFiled: January 26, 2017Publication date: January 3, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae Woon LIM, Dong Hun YOO, Byung Hun JUNG
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Patent number: 10105022Abstract: A vacuum cleaner that includes a first cleaner module and a second cleaner module that is removably coupled to the first cleaner module. The first cleaner module includes a first body and a first dust collection unit, and the second cleaner module includes a second body and a second dust collection unit. Thus, when done in an upright mode, cleaning can be done with a sufficiently great suction force. When done in a handy mode after the second cleaner module is separated, cleaning can be easily done using the second cleaner module.Type: GrantFiled: September 3, 2014Date of Patent: October 23, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae Woon Lim, Tae Gwang Kim, Jeong Hee Cho, Tak Soo Kim, Dong Hun Yoo, Byung Jo Lee, Yun Won Jung
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Patent number: 10085603Abstract: Disclosed herein is a vacuum cleaner including a first cleaning module to perform a cleaning of a floor and a second cleaning module detachably coupled to the first cleaning module and configured to perform a cleaning in a handheld manner while detached from the first cleaning module, wherein the second cleaning module includes a connecting pipe to deliver inlet force to an inlet of the first cleaning module while connected to the first cleaning module, a handle connected to one side of the connecting pipe, having an inside space, and provided in a shape in which a rear surface thereof is open, a connecting hose connecting the connecting pipe to a dust collector, and a connector having a hose support provided to support the connecting hose, and to connect the connecting pipe to the connecting hose, and the hose support is disposed to support the connecting hose rounded along an inner side of the handle in a state that the connector is coupled to an inside space of the handle.Type: GrantFiled: September 1, 2015Date of Patent: October 2, 2018Assignee: SAMSUNG ELECTRONIC CO., LTD.Inventors: Tak Soo Kim, Joo Seok Jeong, Oh Kyu Kwon, Dong Houn Yang, Dong Hun Yoo, Sang-Woo Lee, Yun Won Jung
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Publication number: 20180020890Abstract: Disclosed herein is a cleaner with improved cleaning efficiency. A cleaner includes a main body having a dust collecting unit and a suction head including a head cover, a base plate having a suction port to suck in foreign substances on a surface to be cleaned and coupled to the head cover, and a brush rotatably provided between the head cover and the base plate, wherein the base plate includes a first inclined portion slantly extending from a front end of the suction port with respect to the surface to be cleaned, and a second inclined portion slantly extending from a rear end of the suction port with respect to the surface to be cleaned, and integrally formed with the first inclined portion.Type: ApplicationFiled: July 21, 2017Publication date: January 25, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jeong Hee CHO, Sang Il HYUN, Tae Gwang KIM, Byung Jo LEE, Dong Hun YOO
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Patent number: 9585531Abstract: A nozzle assembly usable with an upright vacuum cleaner, comprising: a nozzle assembly body; a drum brush unit disposed in the nozzle assembly body, the drum brush unit having a drum brush disposed to move dirt or dust adhered to a surface to be cleaned while coming in rotational contact therewith; a subsidiary brush unit disposed in front of the drum brush unit, and the subsidiary brush unit having a subsidiary brush to preliminarily move the dust or dirt adhered to the surface to be cleaned before the drum brush moves the dirt or dust adhered to the surface to be cleaned; and a locking unit disposed to the drum brush unit to selectively fix the subsidiary brush unit to the drum brush unit, wherein the subsidiary brush unit is rotatably connected to the drum brush unit to selectively maintain a contact state or a non-contact state to the surface to be cleaned, and, when the subsidiary brush unit maintains the contact state to the surface to be cleaned, the locking unit fixes the subsidiary brush unit to theType: GrantFiled: February 12, 2014Date of Patent: March 7, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong Hun Yoo, Yun Hee Park
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Publication number: 20170055791Abstract: Disclosed herein is a vacuum cleaner having an improved structure capable of removing hair and foreign substances wound around a drum brush. The vacuum cleaner includes a cleaner main body, a suction brush connected to the cleaner main body and including a suction channel configured to clean a surface to be cleaned by suction force, and a drum brush case provided to be detachable in a forward direction from the suction brush and configured to form an intake port connected to the suction channel.Type: ApplicationFiled: September 2, 2016Publication date: March 2, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Tae Woon LIM, Dong Hun YOO, Hyoun Soo KIM, Seok Bong BAEK
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Publication number: 20160081521Abstract: Disclosed herein is a vacuum cleaner including a first cleaning module to perform a cleaning of a floor and a second cleaning module detachably coupled to the first cleaning module and configured to perform a cleaning in a handheld manner while detached from the first cleaning module, wherein the second cleaning module includes a connecting pipe to deliver inlet force to an inlet of the first cleaning module while connected to the first cleaning module, a handle connected to one side of the connecting pipe, having an inside space, and provided in a shape in which a rear surface thereof is open, a connecting hose connecting the connecting pipe to a dust collector, and a connector having a hose support provided to support the connecting hose, and to connect the connecting pipe to the connecting hose, and the hose support is disposed to support the connecting hose rounded along an inner side of the handle in a state that the connector is coupled to an inside space of the handle.Type: ApplicationFiled: September 1, 2015Publication date: March 24, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tak Soo KIM, Joo Seok JEONG, Oh Kyu KWON, Dong Houn YANG, Dong Hun YOO, Sang-Woo LEE, Yun Won JUNG
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Patent number: 9254069Abstract: A vacuum cleaner that includes an upright main body, an upright fan motor generating a suction force, and a wheel assembly that is mounted on the upright main body and guides movement and rotation of the upright main body. The upright main body includes a first housing that is installed on the wheel assembly so as to be rotatable in a leftward/rightward direction, and a second housing that is installed in the first housing so as to be rotatable in a forward/backward direction. The vacuum cleaner can be moved and rotated by freely moving an extension frame extending upward from the second housing in forward, backward, leftward, and rightward directions.Type: GrantFiled: September 3, 2014Date of Patent: February 9, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae Gwang Kim, Tak Soo Kim, Oh Kyu Kwon, Dong Hun Yoo, Joo Seok Jeong, Tae Woon Lim, Byung Jo Lee, Yun Won Jung, Jeong Hee Cho, Jung Hoon Hong
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Patent number: 9089248Abstract: A fan motor apparatus of a vacuum cleaner having a diffuser unit is provided. The fan motor apparatus of a vacuum cleaner includes a fan motor unit into and from which an air stream is introduced and discharged in the same direction, and a diffuser unit having an air suction area to discharge an air stream to the fan motor unit through a fluid passage surface, the fluid passage surface through which an air stream is drawn in and discharged out of the diffuser. An air discharge area of the diffuser unit may receive the air stream discharged from the fan motor unit, and distribute and discharge the air stream through a perimeter of the air suction area of the fluid passage surface.Type: GrantFiled: December 18, 2009Date of Patent: July 28, 2015Assignee: Samsung Electronics Co., Ltd.Inventor: Dong-hun Yoo
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Publication number: 20150059118Abstract: A vacuum cleaner that includes a first cleaner module and a second cleaner module that is removably coupled to the first cleaner module. The first cleaner module includes a first body and a first dust collection unit, and the second cleaner module includes a second body and a second dust collection unit. Thus, when done in an upright mode, cleaning can be done with a sufficiently great suction force. When done in a handy mode after the second cleaner module is separated, cleaning can be easily done using the second cleaner module.Type: ApplicationFiled: September 3, 2014Publication date: March 5, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae Woon Lim, Tae Gwang Kim, Jeong Hee Cho, Tak Soo Kim, Dong Hun Yoo, Byung Jo Lee, Yun Won Jung
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Publication number: 20150059122Abstract: A vacuum cleaner that includes an upright main body, an upright fan motor generating a suction force, and a wheel assembly that is mounted on the upright main body and guides movement and rotation of the upright main body. The upright main body includes a first housing that is installed on the wheel assembly so as to be rotatable in a leftward/rightward direction, and a second housing that is installed in the first housing so as to be rotatable in a forward/backward direction. The vacuum cleaner can be moved and rotated by freely moving an extension frame extending upward from the second housing in forward, backward, leftward, and rightward directions.Type: ApplicationFiled: September 3, 2014Publication date: March 5, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae Gwang KIM, Tak Soo Kim, Oh Kyu Kwon, Dong Hun Yoo, Joo Seok Jeong, Tae Woon Lim, Byung Jo Lee, Yun Won Jung, Jeong Hee Cho, Jung Hoon Hong
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Publication number: 20140366316Abstract: A vacuum cleaner including a multipurpose suction accessory which includes a cylindrical main body coupled to the handle pipe and including an introduction port formed on a lateral surface of the main body and a discharge port formed at one of both longitudinal end portions of the main body to communicate with the handle pipe, a cylindrical rotating body rotatably coupled to an outside of the main body and including a plurality of suction parts formed on a lateral surface of the rotating body and spaced a predetermined distance from each other in a circumferential direction, the suction ports being sequentially positioned to correspond to the introduction port of the main body by rotating the rotating body with respect to the main body, and a locker to restrict rotation of the rotating body with respect to the main body.Type: ApplicationFiled: May 21, 2014Publication date: December 18, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae Gwang KIM, Dong Hun Yoo, Byung Jo Lee
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Publication number: 20140196249Abstract: A nozzle assembly usable with an upright vacuum cleaner, comprising: a nozzle assembly body; a drum brush unit disposed in the nozzle assembly body, the drum brush unit having a drum brush disposed to move dirt or dust adhered to a surface to be cleaned while coming in rotational contact therewith; a subsidiary brush unit disposed in front of the drum brush unit, and the subsidiary brush unit having a subsidiary brush to preliminarily move the dust or dirt adhered to the surface to be cleaned before the drum brush moves the dirt or dust adhered to the surface to be cleaned; and a locking unit disposed to the drum brush unit to selectively fix the subsidiary brush unit to the drum brush unit, wherein the subsidiary brush unit is rotatably connected to the drum brush unit to selectively maintain a contact state or a non-contact state to the surface to be cleaned, and, when the subsidiary brush unit maintains the contact state to the surface to be cleaned, the locking unit fixes the subsidiary brush unit to theType: ApplicationFiled: February 12, 2014Publication date: July 17, 2014Applicant: Samsung Electronics Co., LtdInventors: Dong Hun Yoo, Yun Hee Park