Patents by Inventor Jang-keun Oh

Jang-keun Oh 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: 20100206173
    Abstract: A dust collecting apparatus for compressing dust is provided. The dust collecting apparatus for compressing dust may include a centrifugal dust separating device having a dust outlet, a compressing device formed inside the dust receptacle, and including a compressing plate in which a dust inlet is formed, and a dust passage forming member forming a dust passage between the dust outlet and the dust inlet.
    Type: Application
    Filed: December 18, 2009
    Publication date: August 19, 2010
    Inventor: Jang-keun OH
  • Publication number: 20100205917
    Abstract: A dust separating apparatus of a vacuum cleaner is disclosed. The dust separating apparatus includes a body unit to separate dust from air and to store the dust separated from the air, a cover unit detachably coupled with the body unit and having an air discharging part with an inlet projected into the body unit, and a horizontal movement-permitting part formed in the body unit to prevent the body unit from colliding with the air discharging part when one of the body unit and the cover unit is moved in a horizontal direction with respect to the other.
    Type: Application
    Filed: January 20, 2010
    Publication date: August 19, 2010
    Inventor: Jang-Keun Oh
  • Publication number: 20100205915
    Abstract: A dust collecting apparatus for a vacuum cleaner is provided. The dust collecting apparatus includes a dust separating chamber separating dust from dust-laden air, a dust collecting chamber storing the dust separated by the dust separating chamber, and an air discharge guide duct guiding the air discharged from the dust separating chamber to an air outlet at a lower end of the dust collecting chamber. The air discharge guide duct includes a first duct formed on a rear surface of the dust collecting apparatus so as to guide the air discharged from the dust separating chamber downwards, a second duct being coupled with the first duct and extending into the dust separating chamber, and a third duct formed in the dust separating chamber so as to connect the second duct with the air outlet.
    Type: Application
    Filed: January 20, 2010
    Publication date: August 19, 2010
    Inventor: Jang-Keun Oh
  • Patent number: 7776116
    Abstract: A cyclone dust-separating apparatus of a vacuum cleaner is disclosed. The cyclone dust-separating apparatus includes at least one cyclone having a cyclone body, which rotates air to separate dust or dirt therefrom, which has an air inflow part and an air discharging part, and which is installed in such a manner that a longitudinal axis thereof is substantially horizontally arranged, and a dust collecting unit to store the dust or dirt separated by the cyclone unit. The cyclone body is formed in a convex cylinder shape, so that a diameter thereof in the vicinity of an entrance of the air discharging part through which the air is discharged comes maximum.
    Type: Grant
    Filed: September 25, 2007
    Date of Patent: August 17, 2010
    Assignee: Samsung Gwangju Electronics Co., Ltd.
    Inventors: Jang-keun Oh, Min-ha Kim
  • Patent number: 7776115
    Abstract: A multi cyclone dust-separating apparatus is disclosed that includes a cyclone unit having a first cyclone, a plurality of second cyclones, and a dust collecting unit. The first cyclone is disposed so that a longitudinal axis thereof is substantially vertically arranged. The first cyclone separates relatively large dust or dirt from air drawn in through a first air inflow part. Each of the second cyclones is disposed so that longitudinal axes thereof are substantially vertically arranged. Each of the second cyclones has a second air inflow part to communicate with the first cyclone and an air discharging part to discharge the air. The second cyclones separate relatively minute dust or dirt from the air drawn in through the second air inflow part. The dust collecting unit is disposed below the cyclone unit to collect and store the dust or dirt separated from the air by the cyclone unit.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: August 17, 2010
    Assignee: Samsung Gwangju Electronics Co., Ltd
    Inventors: Jang-Keun Oh, Jung-Gyun Han, Min-Ha Kim
  • Patent number: 7774897
    Abstract: The vacuum cleaner that includes a fragrant odor generating apparatus is provided. The fragrant odor generating apparatus is mounted to a discharge port of a grill member housed in a main cleaner body, to discharge an air freshener to an air being discharged through the discharge port after air containing dust is drawn in from a surface being cleaned and dust is separated from the drawn-in air. The fragrant odor generating apparatus includes a housing comprising a first air passing hole in fluid communication with the discharge port, and a second air passing hole in fluid communication with outside, an outer cover member pivotably mounted to the housing to selectively open and close the second air passing hole, and the air freshener containing a fragrant agent.
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: August 17, 2010
    Assignee: Samsung Gwangju Electronics Co., Ltd.
    Inventors: Jang-Keun Oh, Seung-Yong Cha
  • Patent number: 7771499
    Abstract: The multi-cyclone dust separating apparatus includes a first cyclone unit having a body and including an air inlet disposed at a side of the body, a first cyclone chamber adapted to form a first space for whirling air from the air inlet to separate dust form the air; a second cyclone unit adapted to be detachably disposed at the body of the first cyclone unit and including, a second air inlet to draw the air from the first cyclone chamber, at least one cyclone for whirling the air from the first cyclone chamber to provide a second separation of dust from the air; and a dust bin adapted to be detachably mounted to at least one of the second cyclone unit and the first cyclone unit.
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: August 10, 2010
    Assignee: Samsung Gwangju Electronics Co., Ltd.
    Inventors: Jang-keun Oh, Min-ha Kim
  • Publication number: 20100192776
    Abstract: A dust separating apparatus is provided. The dust separating apparatus draws in an external air stream and separates dust particles from the drawn air stream. The dust separating apparatus may include a dust collecting space to store dust particles and a driving means to increase or decrease the dust collecting space. Accordingly, a user may adjust the capacity of the dust collecting space as desired.
    Type: Application
    Filed: November 21, 2009
    Publication date: August 5, 2010
    Inventors: Jang-keun Oh, Byung-Jo Lee, Seung-Yong Cha
  • Patent number: 7749296
    Abstract: A cyclone dust-separating apparatus is disclosed. The dust-separating apparatus includes a cyclone unit having an air inlet and an air outlet so as to remove dust or dirt from air, and a dust bin joined to a bottom end of the cyclone unit so as to store the dust or dirt separated by the cyclone unit. The cyclone unit is installed in such a manner that a longitudinal axis thereof is substantially horizontally arranged. The dust bin is installed in such a manner that a longitudinal axis thereof is substantially perpendicular to the longitudinal axis of the cyclone unit. The dust bin has an air outflow passage connected with the air outlet, so that air discharged from the cyclone unit passes through the dust bin and then discharges in a bottom end direction of the dust bin.
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: July 6, 2010
    Assignee: Samsung Gwangju Electronics Co., Ltd.
    Inventors: Jung-gyun Han, Jang-keun Oh, Seung-yong Cha
  • Patent number: 7749294
    Abstract: A robot cleaner that has a dust collection unit with a cyclone part generating an ascending rotary air current from the dust-laden air being drawn in through a lower part thereof, separating the dust from the air using a centrifugal force, and discharging the dust-separated air to the lower part through a center part, and a collection part surrounding the cyclone part to receive the dust being centrifugally separated.
    Type: Grant
    Filed: June 20, 2006
    Date of Patent: July 6, 2010
    Assignee: Samsung Gwangju Electronics Co., Ltd.
    Inventors: Jang-keun Oh, Hak-bong Lee
  • Publication number: 20100162517
    Abstract: A vacuum cleaner having a detachable dust separating unit is disclosed. The vacuum cleaner includes a cleaner body having a first opening to open a portion of a first surface thereof and a second opening to open a portion of a second surface thereof, a dust separating unit to separate a dust from an air, and a seating part formed in the cleaner body to detachably mount the dust separating unit on the cleaner body. The dust separating unit forms a portion of an outward appearance of the cleaner body while closing up the first and the second openings of the cleaner body when the dust separating unit is mounted on the seating part.
    Type: Application
    Filed: November 5, 2009
    Publication date: July 1, 2010
    Inventors: Jung-Gyun Han, Jang-Keun Oh, Seung-Yong Cha
  • Patent number: 7744667
    Abstract: A cyclone separating apparatus for a vacuum cleaner includes a first cyclone having an inclined part and adapted for separating dust and air; a first dust chamber adapted to be disposed substantially around the first cyclone and to be in fluid communication with the first cyclone; at least one second cyclone for separating dust and air adapted to be disposed above the first cyclone and to be in fluid communication with the first cyclone; and a second dust chamber adapted to be in disposed within the first cyclone and to be in fluid communication with the second cyclone.
    Type: Grant
    Filed: August 29, 2007
    Date of Patent: June 29, 2010
    Assignee: Samsung Gwangju Electronics Co., Ltd.
    Inventors: Jang-keun Oh, Min-ha Kim
  • Patent number: 7722693
    Abstract: A cyclone dust collecting apparatus for a vacuum cleaner includes a first cyclone, a second cyclone disposed inside the first cyclone, and an air guiding member to form an entrance of the second cyclone through which semi-clean air discharged from the first cyclone enters. The air guiding member includes a grill member to have a plurality of holes, and a plurality of guiding blades disposed inside the grill member.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: May 25, 2010
    Assignee: Samsung Gwangju Electronics Co., Ltd
    Inventors: Dong-hun Yoo, Jang-keun Oh, Jung-gyun Han
  • Patent number: 7717973
    Abstract: A cyclone dust-separating apparatus includes a cyclone unit having air inflow and air outflow parts that separate dust or dirt from air, the cyclone unit being installed such that a longitudinal axis thereof is substantially horizontally arranged; a dust bin joined to a bottom end of the cyclone unit that collects the dust or dirt separated by the cyclone unit, the dust bin installed in such a manner that a longitudinal axis thereof is substantially perpendicular to the longitudinal axis of the cyclone unit; a nonporous envelope detachably disposed in the dust bin that stores the dust or dirt collected into the dust bin; and a pressure difference-generating passage to communicate an outlet of the air outflow part and the dust bin with each other so as to allow the nonporous envelope to come in contact with an inner surface of the dust bin by a pressure difference between the dust bin and the air outflow part.
    Type: Grant
    Filed: February 25, 2008
    Date of Patent: May 18, 2010
    Assignee: Samsung Gwangju Elecetronics Co., Ltd.
    Inventors: Jang-keun Oh, Tak-soo Kim, Jin-gon Lee, Young-jun Cho
  • Publication number: 20100115727
    Abstract: A cyclone dust-collecting apparatus is provided. The apparatus may includes a cyclone chamber configured to separate dust from air which is drawn in along with the dust, a dust receptacle configured to store the dust separated by the cyclone chamber, a transparent case configured to surround the cyclone chamber and the dust receptacle, and a colored guide unit configured to form a spiral passage so that a whirling air current is formed in the cyclone chamber.
    Type: Application
    Filed: October 15, 2009
    Publication date: May 13, 2010
    Inventor: Jang-keun OH
  • Patent number: 7708791
    Abstract: A cyclone dust separating apparatus for separating dust from external air drawn in thereto and discharging the separated dust, comprises at least one first cyclone body having a tubular shape and forming a first cyclone chamber where the external air is rotated; and at least one second cyclone body forming a second cyclone chamber where the air discharged from the first cyclone chamber is rotated again to separate dust, wherein the external air is drawn in through a lower end of the first cyclone chamber and discharged through an upper end of the first cyclone chamber, and the air discharged from the first cyclone chamber is drawn in through an upper end of the second cyclone chamber and discharged through an upper end of the second cyclone chamber.
    Type: Grant
    Filed: April 22, 2009
    Date of Patent: May 4, 2010
    Assignee: Samsung Gwangju Electronics Co., Ltd.
    Inventors: Jang-keun Oh, Jung-guyn Han, Min-ha Kim, Hak-bong Lee
  • Patent number: 7704290
    Abstract: A cyclone dust collecting apparatus for a vacuum cleaner according to the present disclosure includes a cover having a suction port forcing entering air to form a whirling air current; a cyclone body connected to the cover, the cyclone body having a discharging pipe discharging the entered air; a grill disposed at the discharging pipe; and a grill cleaning unit movably disposed at the discharging pipe so as to remove dust attached to the grill.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: April 27, 2010
    Assignee: Samsung Gwangju Electronics Co., Ltd.
    Inventor: Jang-keun Oh
  • Patent number: 7691161
    Abstract: A cyclone dust-collecting apparatus to separate dust from air drawn in through a suction port body of a vacuum cleaner using a centrifugal force and to collect the separated dust is provided. The cyclone dust-collecting apparatus includes a primary cyclone unit to separate dust from air drawn in through the suction port body; a secondary cyclone unit disposed inside the primary cyclone unit to separate dust from air discharged from the primary cyclone unit; and a tertiary cyclone unit disposed above the primary cyclone unit at an angle different from the primary and secondary cyclone units.
    Type: Grant
    Filed: July 18, 2008
    Date of Patent: April 6, 2010
    Assignee: Samsung Gwangju Electronics Co., Ltd.
    Inventors: Jang-keun Oh, Seung-yong Cha
  • Patent number: 7686858
    Abstract: Disclosed is a cyclone dust collection apparatus. The cyclone apparatus comprises a cyclone body having a first cyclone section and a plurality of cyclone cones arranged around a lower part of the first cyclone, each cyclone cone having a conical shape whose diameter is reduced as approaching the top end thereof; a top cover joined to the top end of the cyclone body and formed with a helical air inflow duct for introducing ambient air into the first cyclone section; an inflow/outflow guide cover joined to the lower end of the cyclone body so as to communicate the first cyclone section and the plurality of cyclone cones; and a discharge cover joined to the lower part of the inflow/outflow guide cover so as to collect the air discharged through the inflow/outflow guide cover and discharge the collected air to the outside of the cyclone dust collection apparatus.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: March 30, 2010
    Assignee: Samsung Gwangju Electronics Co., Ltd.
    Inventor: Jang-keun Oh
  • Patent number: 7686861
    Abstract: A dust collecting apparatus which is removably connected to a cleaner body is provided. The apparatus includes a cyclone body which forms a cyclone chamber and is in fluid communication with an air inlet passage on one side thereof; an exit pipe which is protruded from a bottom of the cyclone body to an upper side of the cyclone chamber; and a dust canister body which forms a dust collection chamber between the cyclone body and the dust canister body. The cyclone body is arranged eccentrically within the dust collection chamber so that a portion of the cyclone body has a common portion in contact with a portion of the dust canister body. The common portion is made of transparent materials to see through the cyclone chamber.
    Type: Grant
    Filed: November 22, 2006
    Date of Patent: March 30, 2010
    Assignee: Samsung Gwangju Electronics Co., Ltd.
    Inventor: Jang-keun Oh