Patents by Inventor Insik YU
Insik YU 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: 20180298546Abstract: Disclosed herein is a washing machine including an inner tub assembly for accommodating laundry, a pulsator rotatably provided to an inner lower portion of the inner tub assembly, a blade installed at a lower portion of the pulsator to be rotatable independently from the pulsator, the blade being configured to pump wash water to raise the wash water to an upper end of the inner tub assembly, a drive motor for providing rotational power to the pulsator and the blade, and a power transmission unit for transmitting power of the drive motor to the pulsator and the blade, respectively. The power transmission unit transmits power such that a direction of rotation of the pulsator is opposite to a direction of rotation of the blade.Type: ApplicationFiled: October 8, 2016Publication date: October 18, 2018Inventors: Youngjun KIM, Youngjong KIM, Dongcheol KIM, Insik YU
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Patent number: 10066332Abstract: A vibration limiter of a washing machine is disclosed. The vibration limiter includes a housing installed at one of a cabinet and a tub, a contact plate disposed within the housing such that the contact plate comes into contact with the other of the cabinet and the tub when the tub vibrates, a spring for elastically supporting the contact plate, a rotating member rotatable by at least one of the spring and the contact plate, and an oil damper engaged with the rotating member. The oil damper complementarily acts with the spring, to effectively absorb vibration. Accordingly, it is possible to reduce the size of the spring and to secure enhanced reliability even after prolonged use.Type: GrantFiled: August 19, 2013Date of Patent: September 4, 2018Assignee: LG ELECTRONICS INC.Inventors: Youngjun Kim, Youngjong Kim, Insik Yu
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Patent number: 10036110Abstract: A vibration limiter of a washing machine is disclosed. The vibration limiter includes a housing installed at one of a cabinet and a tub, a contact plate disposed within the housing such that the contact plate comes into contact with the other of the cabinet and the tub when the tub vibrates, a spring for elastically supporting the contact plate, a rotating member rotatable by at least one of the spring and the contact plate, and an oil damper engaged with the rotating member. The oil damper complementarily acts with the spring, to effectively absorb vibration. Accordingly, it is possible to reduce the size of the spring and to secure enhanced reliability even after prolonged use.Type: GrantFiled: August 19, 2013Date of Patent: July 31, 2018Assignee: LG ELECTRONICS INC.Inventors: Youngjun Kim, Youngjong Kim, Insik Yu
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Patent number: 10023989Abstract: A laundry treatment apparatus in which as an outer tub vibrates, a piston and a cylinder are relatively moved. When as the outer tub vibrates, the piston and the cylinder move relative to each other and a frictional member provides a frictional force between itself and the other one to attenuate vertical vibration of the outer tub. In particular, the piston and the cylinder are prevented from being separated from each other in the laundry treatment apparatus.Type: GrantFiled: July 22, 2014Date of Patent: July 17, 2018Assignee: LG ELECTRONICS INC.Inventors: Insik Yu, Youngjun Kim, Youngjong Kim
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Patent number: 10023988Abstract: Disclosed is a washing machine including a casing, an outer tub located within the casing, at least one support member to suspend the outer tub from the casing, a suspension, provided at a lower side of the outer tub and connected to the at least one support member, to attenuate vibration of the outer tub and at least one horizontal vibration attenuation unit to attenuate horizontal vibration of the outer tub by the introduction of friction according to a horizontal displacement of the outer tub.Type: GrantFiled: August 30, 2013Date of Patent: July 17, 2018Assignee: LG ELECTRONICS INC.Inventors: Insik Yu, Youngjun Kim, Youngjong Kim
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Patent number: 9963814Abstract: A washing machine including a casing, an outer tub, a support rod having one end connected to the casing and the other end having a support prop, first and second friction units movable along the support rod and applying frictional force between the friction units and the support rod, a receiving body movable along the support rod, the receiving body retaining the first and second friction units, the receiving body is integrally moved with the first friction unit and is displaceable relative to the second friction unit, an outer tub supporter movable along the support rod and formed independently of the receiving body to support the outer tub above the receiving body, and an elastic member supported by the support prop and elastically supporting the receiving body.Type: GrantFiled: July 10, 2015Date of Patent: May 8, 2018Assignee: LG ELECTRONICS INC.Inventors: Youngjun Kim, Insik Yu, Youngjong Kim
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Publication number: 20180112345Abstract: A laundry processing apparatus according to the present invention comprises: a cabinet; a tub, arranged in the interior of the cabinet, for storing laundry water; longitudinal dampers connecting the cabinet and tub and supporting the tub as same hangs from the cabinet; upper transverse dampers, connecting the upper part of the tub and cabinet, for reducing the horizontal vibration for the tub; and lower transverse dampers, connecting the lower part of the tub and cabinet, for reducing the horizontal vibration for the tub. The laundry processing apparatus according to the present invention allows the transverse dampers coupled structures, and when vibration occurs, the transverse dampers dampen the horizontal vibration and mitigates the vertical vibration through relative motion.Type: ApplicationFiled: March 15, 2016Publication date: April 26, 2018Inventors: Insik YU, Youngjong KIM, Youngjun KIM
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Publication number: 20180073181Abstract: A laundry processing apparatus according to the present invention comprises: a cabinet; a tub, arranged in the interior of the cabinet, for storing laundry water; longitudinal dampers connecting the cabinet and tub and supported on supporting ends on the hub, and supporting the tub as same hangs from the cabinet; pivot supporting parts arranged on the top parts of the cabinet and from which the longitudinal dampers are hung and supported; upper guide pins fixed to the pivot supporting parts and extending vertically; upper transverse dampers, connecting the upper guide pins and tub and vertically movable along the upper guide pins, for reducing the horizontal vibration for the tub. The laundry processing apparatus according to the present invention has the effect of reducing the horizontal vibration of the tub by means of the transverse dampers connecting the pivot supporting parts and tub.Type: ApplicationFiled: March 15, 2016Publication date: March 15, 2018Inventors: Insik Yu, Youngjong KIM, Youngjun KIM
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Patent number: 9915018Abstract: A washing machine includes a casing, an exterior container disposed within the casing, configured to store washing water for washing, and supported to the casing, and a suspension module disposed between the exterior container and the casing and configured to buffer a vibration transferred from the exterior container to the casing. The suspension module includes a holder disposed between a horizontal suspension and a vertical suspension and configured to generate a relative movement in a length direction and to perform buffering on a vibration in a direction that crosses the length direction when the vibration is reduced.Type: GrantFiled: June 11, 2015Date of Patent: March 13, 2018Assignee: LG ELECTRONICS INC.Inventors: Youngjun Kim, Insik Yu, Youngjong Kim
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Publication number: 20180066390Abstract: A laundry processing apparatus according to the present invention comprises: a cabinet; a tub, arranged in the interior of the cabinet, for storing laundry water; longitudinal dampers connecting the cabinet and tub and supported on supporting ends on the tub, and supporting the tub as same hangs from the cabinet; upper guide pins fixed to the upper parts of the cabinet and extending vertically with respect to the supporting ends; upper transverse dampers, connecting the upper guide pins and tub and vertically movable along the upper guide pins, for reducing the horizontal vibration for the tub; lower guide pins fixed to the lower parts of the cabinet and extending vertically with respect to the supporting ends; and lower transverse dampers, connecting the lower guide pins and tub and vertically movable along the lower guide pins, for reducing the horizontal vibration for the tub.Type: ApplicationFiled: March 15, 2016Publication date: March 8, 2018Inventors: Insik YU, Youngjong KIM, Youngjun KIM
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Patent number: 9896793Abstract: A stabilizer according to an embodiment of the present invention includes one or plurality of fixing members which are mounted on an outer circumferential surface of a tub which is upright so that an opening portion for inputting laundry faces an upper surface of a laundry processing device, a connecting member which is connected to the fixing member and is elastically deformed by force in a horizontal direction which allows the tub to be vibrated in the horizontal direction, and a damping member which absorbs or offsets the force in the horizontal direction by being connected to the connecting member.Type: GrantFiled: December 21, 2016Date of Patent: February 20, 2018Assignee: LG ELECTRONICS INC.Inventors: Insik Yu, Youngjong Kim, Youngjun Kim
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Patent number: 9890491Abstract: A laundry treatment apparatus including a casing, an outer tub provided in the casing, an inner tub rotatably disposed in the outer tub and a pivot pivotably supported with respect to the casing. A supporting rod connected with the pivot and the outer tub to hang the outer tub in the casing. A moving member is movably provided along the supporting rod. A first connecting member connected with the moving member. A second connecting member whose position varies with respect to the first connecting member. A frictional member provided at any one of the first connecting member and the second connecting member. The moving member includes a pivot combining part provided to be combinable with the pivot to prevent the supporting rod from escaping through the other end of the moving member while the supporting rod is not connected with the outer tub.Type: GrantFiled: July 22, 2014Date of Patent: February 13, 2018Assignee: LG ELECTRONICS INC.Inventors: Insik Yu, Youngjun Kim, Youngjong Kim
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Patent number: 9809919Abstract: A laundry treatment apparatus includes a casing, an outer tub suspended in the casing, and a pair of horizontal vibration buffering devices arranged to form opposite angles relative each other in the casing, the horizontal vibration buffering devices each coupling a predetermined support disposed outside the outer tub with the outer tub and each having a portion connected with the outer tub to be displaced relative a portion connected with the predetermined support as the outer tub vibrates, where the pair of horizontal vibration buffering devices each provide an attenuation force according to the displacement.Type: GrantFiled: July 22, 2014Date of Patent: November 7, 2017Assignee: LG ELECTRONICS INC.Inventors: Insik Yu, Youngjun Kim, Youngjong Kim
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Patent number: 9790632Abstract: A laundry treatment apparatus includes a casing; an outer tub; a supporting member coupling the outer tub to the casing; and at least one horizontal vibration buffering device connecting the supporting member with a side surface of the casing. The horizontal vibration buffering device includes a casing connecting part coupled to the casing; a supporting member connecting part coupled to the supporting member, and a damper. The supporting member connecting part has a displacement relative the casing connecting part as the outer tub vibrates. The damper provides an attenuation force corresponding to the displacement of the supporting member connecting part relative the casing connecting part.Type: GrantFiled: July 22, 2014Date of Patent: October 17, 2017Assignee: LG ELECTRONICS INC.Inventors: Insik Yu, Youngjun Kim, Youngjong Kim
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Publication number: 20170183802Abstract: A stabilizer according to an embodiment of the present invention includes one or plurality of fixing members which are mounted on an outer circumferential surface of a tub which is upright so that an opening portion for inputting laundry faces an upper surface of a laundry processing device, a connecting member which is connected to the fixing member and is elastically deformed by force in a horizontal direction which allows the tub to be vibrated in the horizontal direction, and a damping member which absorbs or offsets the force in the horizontal direction by being connected to the connecting member.Type: ApplicationFiled: December 21, 2016Publication date: June 29, 2017Inventors: Insik YU, Youngjong KIM, Youngjun KIM
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Publication number: 20170096766Abstract: A top-loading-type washing machine including a drum, a drive module for rotating the drum via a drive shaft, inner and outer pulsators placed in the drum to be rotated in opposite directions, and a gearbox connected to the drive shaft for rotating both the pulsators. The gearbox includes a sun gear rotatably connected to the drive shaft, planetary gears rotatably engaged with the sun gear, a ring gear rotatably engaged with the planetary gears, and a carrier for connecting the planetary gears so as to be rotated along with the planetary gears. The washing machine achieves excellent washing performance via rotation of the pulsators in opposite directions and variable speeds of the pulsators relative to the drum depending on the size of the laundry load.Type: ApplicationFiled: September 30, 2016Publication date: April 6, 2017Inventors: Insik Yu, Youngjong KIM, Kyubum LEE
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Publication number: 20170096765Abstract: A top-loading-type washing machine including a drum, a drive module for rotating the drum via a drive shaft, inner and outer pulsators placed in the drum so as to be rotated in opposite directions, and a gearbox connected to the drive shaft for rotating both the pulsators. The gearbox includes a sun gear rotatably connected to the drive shaft, planetary gears rotatably engaged with the sun gear, a ring gear rotatably engaged with the planetary gears, a carrier for connecting the planetary gears so as to be rotated along with the planetary gears, a gear housing to which the ring gear is fixed, the gear housing being coupled to the outer pulsator, and a carrier shaft coupled to the inner pulsator. The top-loading-type washing machine further includes a long-axis bolt fastened to the drive shaft and rotatably inserted into a carrier shaft bore of the carrier shaft.Type: ApplicationFiled: September 30, 2016Publication date: April 6, 2017Inventors: Insik YU, Youngjong KIM, Kyubum LEE
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Publication number: 20170016163Abstract: A laundry treatment apparatus according to the present invention includes a casing; an outer tub suspended in the casing; a rack extending vertically; a pinion, which is moved along the rack when the outer tub vibrates and which is rotated via cooperation with the rack; and a torsion element for creating a torsional twisting moment to attenuate rotation of the pinion when the pinion is rotated.Type: ApplicationFiled: March 11, 2015Publication date: January 19, 2017Applicant: LG ELECTRONICS INC.Inventors: Youngjun KIM, Youngjong KIM, Insik YU
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Publication number: 20170016164Abstract: A laundry treatment apparatus according to the present invention includes a casing; an outer tub disposed in the casing; a support rod connected at one end thereof to the casing; an outer tub support part, which is moved along the support rod and which supports the outer tub; at least one elastic member fixedly disposed on the support rod so as to elastically support the outer tub support part from below; a first friction part disposed above the outer tub support part so as to create frictional force between the support rod and the first friction part; and a housing defining therein a space for accommodating the first friction part, the housing being disposed at the top of the outer tub support part and being moved along with the outer tub support part when the outer tub vibrates, and the housing being independently moved alone when the outer tub support part is moved within a predetermined displacement range and being moved while pushing the first friction part when the outer tub support part is moved beyondType: ApplicationFiled: March 11, 2015Publication date: January 19, 2017Inventors: Youngjun KIM, Youngjong KIM, Insik YU
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Patent number: 9279207Abstract: A washing machine is provided. The washing machine may include a casing, an outer tub, and a suspension. The suspension may include a support rod, a cap, a first elastic member, and a friction damper. The support rod may be connected to the casing at one end thereof. The support rod may penetrate the cap, and the cap may move upward and downward along the support rod according to an amount of vibration of the outer tub. The support rod may penetrate the first elastic member, which may elastically support the cap. The friction damper may be movably provided along the support rod and generate a certain frictional force with the support rod.Type: GrantFiled: June 17, 2011Date of Patent: March 8, 2016Assignee: LG ELECTRONICS INC.Inventors: Insik Yu, Youngjong Kim