Patents by Inventor Jeong Cheol Jang

Jeong Cheol Jang 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).

  • Patent number: 9461509
    Abstract: Disclosed is a motor including: a rotor housing; a stator assembly located inside the rotor housing; a first core located inside the stator assembly; a second core located at the center of the rotor housing; and a coil housing located inside the rotor housing and having a space portion formed at the inside thereof.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: October 4, 2016
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Jeong Nam Seo, Kyung Hwan Kim
  • Patent number: 9444301
    Abstract: Disclosed is a motor including: a housing formed by means of insert injection molding in such a manner as to locate a stator assembly inside a mold, the stator assembly having a stator core, an upper insulator adapted to be coupled to the upper side of the stator core, and a lower insulator adapted to be coupled to the lower side of the stator core; a printed circuit board adapted to mount an integrated circuit device thereon; and at least one or more screws adapted to be inserted into screw holes formed on the top peripheral portion of the housing and having screw heads formed thereon, the screw heads being engagedly coupled to the peripheral portion of the end cover and the end portions of the screws being brought into contact with the stator core.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: September 13, 2016
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Chang Ho Cho, Hyun Sung Yang
  • Patent number: 9419493
    Abstract: Disclosed is a fan motor includes: a first bracket having a middle part through which a rotary shaft penetrates and an upper bearing insertion space to which an upper bearing is inserted to support the upper end part of the rotary shaft; an upper felt cover joined to the inside of the first bracket to seal the upper bearing insertion space; a second bracket joined to the upper side of the first bracket, the second bracket having a lower bearing insertion space which is formed at the middle part of the lower side through which the rotary shaft penetrates and to which a lower bearing is inserted to support the lower end part of the rotary shaft; and a lower felt cover joined to the lower side of the second bracket to seal the lower bearing insertion space.
    Type: Grant
    Filed: October 5, 2014
    Date of Patent: August 16, 2016
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Gyeong Su Park, Woo Sung Cho
  • Patent number: 9413203
    Abstract: A fan motor that including: a rotor coupled with a shaft to rotate together; a stator installed at a position facing the rotor; a first bracket on a central upper portion of which a first bearing insertion space into which a first bearing coupled to an upper portion of the shaft is inserted is formed; a second bracket which is hermetically coupled to the first bracket and on a central lower portion of which a second bearing insertion space into which a second bearing coupled to a lower portion of the shaft is inserted is formed; a first bearing cover that covers the first bearing insertion space; and a second bearing cover that covers the second bearing insertion space and has an accommodation space formed to extend to the central lower portion.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: August 9, 2016
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Gyeong Su Park
  • Patent number: 9407120
    Abstract: Provided is a fan motor that includes: a rotor that is coupled with a shaft to rotate together; a stator that is installed at a position facing the rotor; a first bracket on a central upper portion of which a first bearing insertion space into which a first bearing coupled to an upper portion of the shaft is inserted is formed; a second bracket which is hermetically coupled to the first bracket and on a central lower portion of which a second bearing insertion space into which a second bearing coupled to a lower portion of the shaft is inserted is formed; a first bearing cover that covers the first bearing insertion space; and a second bearing cover that covers the second bearing insertion space and has an accommodation space formed to extend to the central lower portion.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: August 2, 2016
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Gyeong Su Park
  • Patent number: 9369013
    Abstract: Disclosed therein is a rotor for a motor. The rotor includes: a rotor core including an annular ring having a shaft hole formed at a central portion thereof, a plurality of yokes formed around the annular ring, and magnet insertion holes formed between the neighboring yokes; magnets respectively inserted into the magnet insertion holes; and a pair of rotor covers each having a ring plate, which has a shaft insertion hole formed at a central portion thereof, and a plurality of stoppers protrudingly formed around the ring plate. A pair of the rotor covers are joined to an upper portion and a lower portion of the rotor core in such a fashion that the stoppers are respectively located at side portions of the magnet insertion holes.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: June 14, 2016
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Ji Min Lee
  • Publication number: 20160149447
    Abstract: A motor assembly for a washing machine including: a stator core having teeth formed along the outer peripheral surface; upper and lower insulators coupled to the upper and lower portions of the stator core to surround the top and underside of the stator core; a first fastening rib protruding from the inner peripheral surface of the lower insulator; a second fastening rib protruding from the inner peripheral surface of the upper insulator to be coupled on the underside thereof to the top of the first fastening rib; and a round-shaped third fastening rib having the underside coupled to the top of the second fastening rib and the top protruding from the top of the upper insulator to be coupled to the underside of a housing in which various parts such as a brake drum and the like are mounted.
    Type: Application
    Filed: June 2, 2014
    Publication date: May 26, 2016
    Applicant: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol JANG, Ji Min LEE, Gyeong Sik YANG
  • Patent number: 9331530
    Abstract: Disclosed herein is a laminated core of a motor including: a first core sheet including a first rounded core base, a plurality of first teeth which are radially formed on the first core base, and first tooth ears formed at the end of each of the first teeth; and a second core sheet including a second rounded core base, a plurality of second teeth which are radially formed on the second core base, and second tooth ears formed at the end of each of the second teeth, the second core sheet having the same shape as the first core sheet but being smaller than the first core sheet, wherein the second core sheet is located at the lowermost part, one or more the first core sheets are laminated on the second core sheet, and another second core sheet is located at the uppermost part.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: May 3, 2016
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Kyoung Joo Lee, Hyun Sung Yang
  • Publication number: 20160118850
    Abstract: The present invention relates to a stator for a motor including: a stator core having a circular base along which a plurality of first holes is formed vertically and a plurality of teeth formed radially around the outer peripheral surface of the base; and an insulating layer coated on the entire surface of the stator core except the inner peripheral surface of the base and the plurality of first holes of the base.
    Type: Application
    Filed: March 13, 2014
    Publication date: April 28, 2016
    Applicant: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol JANG, Wang gyu JEONG, Ji Min LEE
  • Patent number: 9306435
    Abstract: Disclosed herein is a stator assembly for a motor including: a stator core which includes a rounded base having a plurality of first holes formed in the vertical direction and a plurality of teeth radially formed on the outer circumferential surface of the base; an insulation coating layer formed on the entire surface of the stator core except the inner face of the base and the periphery of the first hole; and one or more connection parts connected to the rounded base.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: April 5, 2016
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Wang Gyu Jeong, Hee-Sang Kim
  • Patent number: 9306423
    Abstract: Disclosed therein is a motor with a variable magnetic flux, which includes a rotor and a stator located inside the rotor. The rotor includes a rotor housing, a plurality of unit rotor cores and magnets which are attached to the inner wall surface of the rotor housing, and the unit rotor cores and the magnets are arranged in turn. The stator includes a stator core base and a plurality of teeth radially formed on the outer peripheral surface of the stator core base at equal intervals, and each of the teeth has ears formed at both sides of an end thereof.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: April 5, 2016
    Assignee: NEW MOTECH CO., LTD
    Inventors: Jeong Cheol Jang, Je Hyung Seo, Soo Hyun Park, Woon Pil Jung, Hugh Jin Cho, Seung Jae Lee, Byung Taek Kim, Jin Seok Jang
  • Patent number: 9293963
    Abstract: Disclosed therein is a fan motor including: a lower bracket having a lower protrusion which is located at the central portion and has a lower bearing insertion portion therein and a space which is formed around the lower protrusion; an upper bracket having an upper protrusion which is located at the central portion and has an upper bearing insertion portion therein; a rotor located between the lower protrusion and the upper protrusion and rotating together with a shaft; and a stator core surrounded by a lower insulator which is located above the lower protrusion and an upper insulator which is located below the upper protrusion.
    Type: Grant
    Filed: October 17, 2012
    Date of Patent: March 22, 2016
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Gyeong Su Park
  • Patent number: 9293956
    Abstract: Disclosed is a bus bar having a plurality of connection taps formed radially therefrom, the bus bar including: first, second and third faces extended sequentially from the end of each connection tap in such a manner as to have a U-like side shape; and a coil insertion portion having a groove formed in a length direction of each connection tap on the center portions of the first, second and third faces and having a thickness lower than the thicknesses of the first, second and third faces, the coil insertion portion having a coil inserted into the groove thereof.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: March 22, 2016
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Je Hyung Seo, Hugh Jin Cho
  • Publication number: 20160072357
    Abstract: Provided is a fan motor that includes: a rotor that is coupled with a shaft to rotate together; a stator that is installed at a position facing the rotor; a first bracket on a central upper portion of which a first bearing insertion space into which a first bearing coupled to an upper portion of the shaft is inserted is formed; a second bracket which is hermetically coupled to the first bracket and on a central lower portion of which a second bearing insertion space into which a second bearing coupled to a lower portion of the shaft is inserted is formed; a first bearing cover that covers the first bearing insertion space; and a second bearing cover that covers the second bearing insertion space and has an accommodation space formed to extend to the central lower portion.
    Type: Application
    Filed: June 24, 2015
    Publication date: March 10, 2016
    Inventors: Jeong Cheol JANG, Gyeong Su Park
  • Publication number: 20160072355
    Abstract: A fan motor that including: a rotor coupled with a shaft to rotate together; a stator installed at a position facing the rotor; a first bracket on a central upper portion of which a first bearing insertion space into which a first bearing coupled to an upper portion of the shaft is inserted is formed; a second bracket which is hermetically coupled to the first bracket and on a central lower portion of which a second bearing insertion space into which a second bearing coupled to a lower portion of the shaft is inserted is formed; a first bearing cover that covers the first bearing insertion space; and a second bearing cover that covers the second bearing insertion space and has an accommodation space formed to extend to the central lower portion.
    Type: Application
    Filed: June 24, 2015
    Publication date: March 10, 2016
    Inventors: Jeong Cheol JANG, Gyeong Su PARK
  • Publication number: 20160010265
    Abstract: A driving apparatus for a washing machine including: a housing; a brake drum rotatably disposed inside the housing; a dewatering shaft coupled to the brake drum; a washing shaft rotatably disposed inside the dewatering shaft; a rotor to which the washing shaft is coupled; a stator disposed inside the rotor; a brake lever disposed on the outer peripheral surface of the housing and adapted to operate a brake pad connected to one end thereof to control the rotation of the brake drum; a coupling clutch moved upwardly and downwardly along a lower end portion of the dewatering shaft; a clutch lever mounted on the housing and rotating upon the rotation of the brake lever to move the coupling clutch upwardly and downwardly; and a pressurizing lever coupled to the brake lever to rotate together with the brake lever and to push and rotate the clutch lever.
    Type: Application
    Filed: March 13, 2014
    Publication date: January 14, 2016
    Inventors: Jeong Cheol JANG, Seong Jung JU, Ho Jin JUNG, Ji Min LEE, Gyeong Sik YANG
  • Publication number: 20150380993
    Abstract: Disclosed therein is a method of operating a variable magnetic flux motor. The method of operating the variable magnetic flux motor, which includes a rotor and a stator located inside the rotor, the rotor including first magnets and second magnets having a coercive force weaker than that of the first magnets, includes: a first step of operating the motor in an initially magnetized state of the second magnets; and a second step of operating the motor in an inversedly magnetized state of the second magnets by applying a magnetomotive force to the second magnets in the opposite direction to the magnetization direction of the second magnets.
    Type: Application
    Filed: January 9, 2014
    Publication date: December 31, 2015
    Inventors: Jeong Cheol JANG, Je Hyung SEO, Woon Pil JUNG, Jin Seok JANG, Byung Taek KIM
  • Publication number: 20150380887
    Abstract: A ground structure for a motor including: a housing having a flange protruded upwardly from the outer periphery of an opening formed on the top surface thereof; a bearing cover having a coupling groove formed along the outer periphery of the underside thereof to inserted the flange of the housing thereinto; a stator core fixedly disposed to the inside of the housing and having a plurality of teeth on which a coil is wound formed annularly along the inner periphery thereof; and a connector having one end coupled to the flange of the housing in such a manner as to be brought into contact with the coupling groove of the bearing cover when the bearing cover is coupled to the top end periphery of the housing and the other end passed through the housing in such a manner as to be brought into contact with the stator core.
    Type: Application
    Filed: May 8, 2014
    Publication date: December 31, 2015
    Applicant: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol JANG, Wang gyu JEONG, Byung soo KIM
  • Patent number: 9197102
    Abstract: The present invention relates to a stator assembly that includes: a stator core having a circular base, a plurality of teeth radially formed along an outer circumference of the base, and at least one coupling bushing formed along an inner circumference of the base; an insulation coating layer formed on an surface of the stator core; and a pair of base insulators coupled to top and bottom portions of the base, respectively.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: November 24, 2015
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Ji Min Lee
  • Publication number: 20150333577
    Abstract: Disclosed herein is a laminated core for a motor manufactured by laminating sheets of a plurality of cores. The laminated core is formed by connection of a plurality of split cores, yoke parts of the split cores which are adjacent to each other get in contact with each other so as to form a contact part, and a connection caulking part is formed at the contact part.
    Type: Application
    Filed: February 16, 2015
    Publication date: November 19, 2015
    Inventors: Jeong Cheol JANG, Kyoung Joo LEE, Hyun Sung YANG