Patents by Inventor Kang Mo Choi

Kang Mo Choi 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).

  • Publication number: 20090039216
    Abstract: An automatic level controlling apparatus for supporting an appliance includes a hollow leg body, a piston inserted in the hollow leg body, a spring seated on an upper portion of the piston, a cap disposed on an upper portion of the piston to support an upper portion of the spring, a frictional member disposed around the piston, and a piston rod coupled to the piston and supported on a floor.
    Type: Application
    Filed: October 6, 2005
    Publication date: February 12, 2009
    Inventors: Ho Cheol Kwon, Hack Jai Song, Beom Jun Kim, Il Jyeok Yim, Kang Mo Choi
  • Patent number: 7478546
    Abstract: Drum type washing machine including a tub of plastic having a wall for holding washing water therein and mounting a driving part thereon, a drum rotatably arranged inside of the tub, a shaft passed through the tub and connected to the drum for transmission of a driving power from a motor to the drum, at least one bearing for supporting the shaft, a bearing housing having a sleeve form of bearing supporting part, and a stator fastening part extended in a radial direction from the bearing supporting part, wherein both of the bearing supporting part and the stator fastening part are inserted in a tub rear wall, while stator fastening holes in the stator fastening part are exposed, a rotor engaged to a rear end part of the shaft to form the motor together with the stator, and the stator mounted on the stator fastening part of the bearing housing with fastening members on an inner side of the rotor to form the motor together with the rotor, wherein the stator includes an annular helical type core having multiple l
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: January 20, 2009
    Assignee: LG Electronics, Inc.
    Inventors: Gon Kim, Chi Wan Hur, Yu Beom Kang, Sang Man Je, Kang Mo Choi, Jae Kyum Kim, Ho Cheol Kwon
  • Patent number: 7444841
    Abstract: Drum type washing machine including a tub of plastic having a wall for holding washing water therein and mounting a driving part thereon, a drum rotatably arranged inside of the tub, a shaft passed through the tub and connected to the drum for transmission of a driving power from a motor to the drum, at least one bearing for supporting the shaft, a bearing housing having a sleeve form of bearing supporting part, and a stator fastening part extended in a radial direction from the bearing supporting part, wherein both of the bearing supporting part and the stator fastening part are inserted in a tub rear wall, while stator fastening holes in the stator fastening part are exposed, a rotor engaged to a rear end part of the shaft to form the motor together with the stator, and the stator mounted on the stator fastening part of the bearing housing with fastening members on an inner side of the rotor to form the motor together with the rotor, wherein the stator includes an annular helical type core having multiple l
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: November 4, 2008
    Assignee: LG Electronics Inc.
    Inventors: Gon Kim, Chi Wan Hur, Yu Beom Kang, Sang Man Je, Kang Mo Choi, Jae Kyum Kim, Ho Cheol Kwon
  • Publication number: 20080264112
    Abstract: The present invention relates to washing machines, and more particularly, to a washing machine having a venting device (100) for making a tub (64) therein in communication with an outside of the washing machine, with noise leakage preventive means provided thereto. For this, a washing machine of the present inventions includes a tub (64) in a cabinet (52), a venting unit (100) for making the tub (64) to be in communication with an outside of the cabinet (52), and sound insulation means in the venting unit (100) for blocking noise from leaking from the tub (64) to the outside of the cabinet (52).
    Type: Application
    Filed: January 25, 2006
    Publication date: October 30, 2008
    Inventors: Ji Chang Son, Kang Mo Choi, Hyung Wook Chu, Woong Kil Cha
  • Patent number: 7441423
    Abstract: Structure of driving unit in a drum type washing machine including a tub mounted inside of a cabinet, a drum mounted inside of the tub, a shaft connected to the drum mounted inside of the tub for transmission of a driving force from a motor to the drum, a front bearing and a rear bearing mounted on an outer circumference of the shaft at opposite end portions thereof respectively, a bearing housing built in a central portion of a rear wall of the tub for supporting the front bearing, a rotor composing the motor together with the rotor, and coupled to the rear end portion of the shaft, a stator fixed to the tub rear wall inward of the rotor to compose the motor together with the rotor, a connector serration coupled to the outer circumference of the shaft in front of the rear bearing and fixed to the rotor, for transmission of a rotating power from the rotor to the shaft, and a bearing bracket fixed to the rear wall of the tub to cover an outside of the rotor and support the rear bearing, thereby reducing noise,
    Type: Grant
    Filed: March 9, 2005
    Date of Patent: October 28, 2008
    Assignee: LG Electronics Inc.
    Inventors: Jae Kyum Kim, Ho Cheol Kwon, Jong A Park, Kang Mo Choi
  • Patent number: 7441421
    Abstract: A motor for a washing machine has a stator secured to one side of a tub which holds washing water and a rotor disposed on an outer side of the stator. The stator includes a core and an insulator that holds the core, and the insulator has a fastening part with a fastening hole formed on the insulator. A fastener fastens the stator to the one side of the tub using the fastening hole formed on the insulator.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: October 28, 2008
    Assignee: LG Electronics Inc.
    Inventors: Gon Kim, Chi Wan Hur, Yu Beom Kang, Sang Man Je, Kang Mo Choi, Jae Kyum Kim, Ho Cheol Kwon
  • Patent number: 7418843
    Abstract: A washing machine has a tub that may be made of plastic. A drum is rotatably installed in the tub. A shaft may pass through the tub and connect to the drum for transmission of a driving power from a motor to the drum. The washing machine has a bearing supporting part and a stator fastening part extended in a radial direction from the bearing supporting part, where the tub has an inner surface and an outer surface, and the bearing supporting part and the stator fastening part are disposed between the inner surface and the outer surface of the tub.
    Type: Grant
    Filed: December 9, 2003
    Date of Patent: September 2, 2008
    Assignee: LG Electronics Inc.
    Inventors: Gon Kim, Chi Wan Hur, Yu Beom Kang, Sang Man Je, Kang Mo Choi, Jae Kyum Kim, Ho Cheol Kwon
  • Patent number: 7398662
    Abstract: A gasket and drum washing machine using the same. The washing machine includes a cabinet having a first opening through which a laundry is put in the cabinet, a tub installed in the cabinet to have a second opening corresponding to the first opening, a drum installed in the tub to have a third opening corresponding to the second opening, and a gasket for preventing leakage of water. The gasket includes a leakage preventing part having one end connected to a rim of the first opening and the other end connected to a rim of the second opening to prevent water leakage, a deformation preventing part connected to the leakage preventing part, and a laundry-stuck preventing part provided on an inner circumference of the leakage preventing part to prevent the laundry from being stuck between the second and third openings.
    Type: Grant
    Filed: November 28, 2003
    Date of Patent: July 15, 2008
    Assignee: LG Electronics Inc.
    Inventors: Jae Kyum Kim, Ho Cheol Kwon, Kang Mo Choi
  • Patent number: 7380422
    Abstract: Disclosed is a drum type washing machine, by which washing performance is increased as well as laundry damage and water pollution are reduced. The present invention includes a tub provided in a cabinet to hold water, a drum rotatably installed in the tub, at least one or more ceramics, and at least one or more ceramic receivers provided on an inside of the drum to hold the ceramic therein.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: June 3, 2008
    Assignee: LG Electronics Inc.
    Inventors: Jae Kyum Kim, Ho Cheol Kwon, Kang Mo Choi
  • Patent number: 7380424
    Abstract: Drum type washing machine including a tub of plastic having a wall for holding washing water therein and mounting a driving part thereon, a drum rotatably arranged inside of the tub, a shaft passed through the tub and connected to the drum for transmission of a driving power from a motor to the drum, at least one bearing for supporting the shaft, a bearing housing having a sleeve form of bearing supporting part, and a stator fastening part extended in a radial direction from the bearing supporting part, wherein both of the bearing supporting part and the stator fastening part are inserted in a tub rear wall, while stator fastening holes in the stator fastening part are exposed, a rotor engaged to a rear end part of the shaft to form the motor together with the stator, and the stator mounted on the stator fastening part of the bearing housing with fastening members on an inner side of the rotor to form the motor together with the rotor, wherein the stator includes an annular helical type core having multiple l
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: June 3, 2008
    Assignee: LG Electronics Inc.
    Inventors: Gon Kim, Chi Wan Hur, Yu Beom Kang, Sang Man Je, Kang Mo Choi, Jae Kyum Kim, Ho Cheol Kwon
  • Patent number: 7373793
    Abstract: A damper assembly and washing machine using the same, by which a damper pin configured to facilitate assembly is provided and by which a damper pin is configured to avoid breaking, are disclosed. The damper assembly includes a base having a first connecting portion, a damper having a second connecting portion at one end and attenuating a vibration transferred to the base, and a damper pin penetrating the first and second connecting portions to secure them, the damper pin having a slip-fit connection with the first and second connecting portions.
    Type: Grant
    Filed: August 20, 2004
    Date of Patent: May 20, 2008
    Assignee: LG Electronics Inc.
    Inventor: Kang Mo Choi
  • Publication number: 20080027816
    Abstract: The present invention discloses a method and system of managing a laundry room. In the method, identification information including an ID (identifier) is received through a communicator. Then, information about the rate and operating conditions is set through the communicator. A predetermined operation allowed by the setting is performed according to a received payment after receiving information about insertion of the payment from the payment device. While performing, operating information is recorded. Then, the recorded operating information is transmitted in response to a request of the communicator.
    Type: Application
    Filed: May 24, 2007
    Publication date: January 31, 2008
    Inventors: In-Hee Han, Kang-Mo Choi, Ji-An Jeong, Nam-Yeong Heo
  • Publication number: 20080027741
    Abstract: The present invention discloses a method of managing laundry room machines in a laundry room. The method includes the step of: a) receiving identification information including an ID (identifier) through a communicator; b) setting information about the rate and operating conditions through the communicator; c) receiving a selection of a course allowed by an inserted payment after receiving information about insertion of the payment from the payment device; d) performing a predetermined operation according to the selected course; and e) recording operating information of the predetermined operation performed in the step d).
    Type: Application
    Filed: May 24, 2007
    Publication date: January 31, 2008
    Inventors: In-Hee Han, Kang-Mo Choi, Ji-An Jeong, Nam-Yeong Heo
  • Patent number: 7305857
    Abstract: Structure of driving unit in a drum type washing machine including a tub mounted inside of a cabinet, a drum mounted inside of the tub, a shaft connected to the drum mounted inside of the tub for transmission of a driving force from a motor to the drum, a front bearing and a rear bearing mounted on an outer circumference of the shaft at opposite end portions thereof respectively, a bearing housing built in a central portion of a rear wall of the tub for supporting the front bearing, a rotor composing the motor together with the rotor, and coupled to the rear end portion of the shaft, a stator fixed to the tub rear wall inward of the rotor to compose the motor together with the rotor, a connector serration coupled to the outer circumference of the shaft in front of the rear bearing and fixed to the rotor, for transmission of a rotating power from the rotor to the shaft, and a bearing bracket fixed to the rear wall of the tub to cover an outside of the rotor and support the rear bearing, thereby reducing noise,
    Type: Grant
    Filed: September 17, 2004
    Date of Patent: December 11, 2007
    Assignee: LG Electronics Inc.
    Inventors: Jae Kyum Kim, Ho Cheol Kwon, Jong A Park, Kang Mo Choi
  • Patent number: 7293437
    Abstract: A drum washing machine having a gasket to prevent leakage of water in the tub and the laundry from being stuck in a laundry opening part. The washing machine including a cabinet having a first opening through which a laundry is put in the cabinet, a tub installed in the cabinet to have a second opening corresponding to the first opening, a drum installed in the tub to have a third opening corresponding to the second opening, and a gasket including a leakage preventing part having one end connected to a rim of the first opening and the other end connected to a rim of the second opening to prevent water leakage and a laundry-stuck preventing part provided on an inner circumference of the leakage preventing part to prevent the laundry from being stuck in a space between the first and third openings.
    Type: Grant
    Filed: November 28, 2003
    Date of Patent: November 13, 2007
    Assignee: LG Electronics Inc.
    Inventors: Jae Kyum Kim, Ho Cheol Kwon, Kang Mo Choi
  • Patent number: 7168118
    Abstract: Object of the present invention lies on improving a system stability by reducing an allowable eccentricity of laundry below a preset value when a spinning speed reaches to a maximum even if a voltage higher than a rated voltage is applied, by varying a maximum limit of a lead angle with a voltage applied to a drum type washing machine. For achieving the object of the present invention, in a method for controlling a spinning speed of the present invention, a maximum value of a lead angle is set to vary with an applied voltage after detection of the applied voltage.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: January 30, 2007
    Assignee: LG Electronics Inc.
    Inventors: Jea-Kyum Kim, Ho-Cheol Kwon, Jong-A Park, Kang-Mo Choi, Kweon Son
  • Patent number: 7166950
    Abstract: Structure of driving unit in a drum type washing machine including a tub mounted inside of a cabinet, a drum mounted inside of the tub, a shaft connected to the drum mounted inside of the tub for transmission of a driving force from a motor to the drum, a front bearing and a rear bearing mounted on an outer circumference of the shaft at opposite end portions thereof respectively, a bearing housing built in a central portion of a rear wall of the tub for supporting the front bearing, a rotor composing the motor together with the rotor, and coupled to the rear end portion of the shaft, a stator fixed to the tub rear wall inward of the rotor to compose the motor together with the rotor, a connector serration coupled to the outer circumference of the shaft in front of the rear bearing and fixed to the rotor, for transmission of a rotating power from the rotor to the shaft, and a bearing bracket fixed to the rear wall of the tub to cover an outside of the rotor and support the rear bearing, thereby reducing noise,
    Type: Grant
    Filed: March 9, 2005
    Date of Patent: January 23, 2007
    Assignee: LG Electronics Inc.
    Inventors: Jae Kyum Kim, Ho Cheol Kwon, Jong A Park, Kang Mo Choi
  • Patent number: 7131178
    Abstract: Structure of driving unit in a drum type washing machine including a tub mounted inside of a cabinet, a drum mounted inside of the tub, a shaft connected to the drum mounted inside of the tub for transmission of a driving force from a motor to the drum, a front bearing and a rear bearing mounted on an outer circumference of the shaft at opposite end portions thereof respectively, a bearing housing built in a central portion of a rear wall of the tub for supporting the front bearing, a rotor composing the motor together with the rotor, and coupled to the rear end portion of the shaft, a stator fixed to the tub rear wall inward of the rotor to compose the motor together with the rotor, a connector serration coupled to the outer circumference of the shaft in front of the rear bearing and fixed to the rotor, for transmission of a rotating power from the rotor to the shaft, and a bearing bracket fixed to the rear wall of the tub to cover an outside of the rotor and support the rear bearing, thereby reducing noise,
    Type: Grant
    Filed: September 25, 2003
    Date of Patent: November 7, 2006
    Assignee: LG Electronics Inc.
    Inventors: Jae Kyum Kim, Ho Cheol Kwon, Jong A. Park, Kang Mo Choi
  • Patent number: 7114355
    Abstract: Structure of driving unit in a drum type washing machine including a tub mounted inside of a cabinet, a drum mounted inside of the tub, a shaft connected to the drum mounted inside of the tub for transmission of a driving force from a motor to the drum, a front bearing and a rear bearing mounted on an outer circumference of the shaft at opposite end portions thereof respectively, a bearing housing built in a central portion of a rear wall of the tub for supporting the front bearing, a rotor composing the motor together with the rotor, and coupled to the rear end portion of the shaft, a stator fixed to the tub rear wall inward of the rotor to compose the motor together with the rotor, a connector serration coupled to the outer circumference of the shaft in front of the rear bearing and fixed to the rotor, for transmission of a rotating power from the rotor to the shaft, and a bearing bracket fixed to the rear wall of the tub to cover an outside of the rotor and support the rear bearing, thereby reducing noise,
    Type: Grant
    Filed: August 30, 2002
    Date of Patent: October 3, 2006
    Assignee: LG Electronics, Inc.
    Inventors: Jae Kyum Kim, Ho Cheol Kwon, Jong A Park, Kang Mo Choi
  • Patent number: 6914363
    Abstract: Structure of driving unit in a drum type washing machine including a tub mounted inside of a cabinet, a drum mounted inside of the tub, a shaft connected to the drum mounted inside of the tub for transmission of a driving force from a motor to the drum, a front bearing and a rear bearing mounted on an outer circumference of the shaft at opposite end portions thereof respectively, a bearing housing built in a central portion of a rear wall of the tub for supporting the front bearing, a rotor composing the motor together with the rotor, and coupled to the rear end portion of the shaft, a stator fixed to the tub rear wall inward of the rotor to compose the motor together with the rotor, a connector serration coupled to the outer circumference of the shaft in front of the rear bearing and fixed to the rotor, for transmission of a rotating power from the rotor to the shaft, and a bearing bracket fixed to the rear wall of the tub to cover an outside of the rotor and support the rear bearing, thereby reducing noise,
    Type: Grant
    Filed: September 17, 2004
    Date of Patent: July 5, 2005
    Assignee: LG Electronics Inc.
    Inventors: Jae Kyum Kim, Ho Cheol Kwon, Jong A Park, Kang Mo Choi