Patents by Inventor Pil Ki Kim

Pil Ki Kim 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: 20240136674
    Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on a winding axis to define a core and an outer circumference. The first electrode includes a first active material portion coated with an active material layer and a first uncoated portion not coated with an active material layer along a winding direction. At least a part of the first uncoated portion is defined as an electrode tab by itself. The first uncoated portion includes a first portion adjacent to the core of the electrode assembly, a second portion adjacent to the outer circumference of the electrode assembly, and a third portion interposed between the first portion and the second portion. The first portion or the second portion has a smaller height than the third portion in the winding axis direction.
    Type: Application
    Filed: January 19, 2022
    Publication date: April 25, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jong-Sik PARK, Jae-Won LIM, Yu-Sung CHOE, Hak-Kyun KIM, Je-Jun LEE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Pil-Kyu PARK, Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Hae-Jin LIM, Min-Ki JO, Su-Ji CHOI, Bo-Hyun KANG, Jae-Woong KIM, Ji-Min JUNG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI
  • Publication number: 20240128517
    Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on an axis to define a core and an outer circumference. The first electrode includes an uncoated portion at a long side end thereof and exposed out of the separator along a winding axis direction of the electrode assembly. A part of the uncoated portion is bent in a radial direction of the electrode assembly to form a bending surface region that includes overlapping layers of the uncoated portion, and in a partial region of the bending surface region, the number of stacked layers of the uncoated portion is 10 or more in the winding axis direction of the electrode assembly.
    Type: Application
    Filed: January 19, 2022
    Publication date: April 18, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hae-Jin LIM, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Do-Gyun KIM, Su-Ji CHOI, Kwang-Su HWANGBO, Geon-Woo MIN, Min-Ki JO, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Bo-Hyun KANG, Pil-Kyu PARK
  • Publication number: 20180119744
    Abstract: A ball-type cross groove joint may include: an outer race rotated by rotation power received from an engine, and having a plurality of ball grooves formed on an inner surface thereof; an inner race installed in the outer race, and having an equal number of ball grooves to those of the outer race, the ball grooves being formed on an outer surface thereof; a plurality of balls transferring the rotation power of the outer race to the inner race; and a cage having a plurality of cage windows each supporting two balls among the plurality of balls.
    Type: Application
    Filed: October 8, 2015
    Publication date: May 3, 2018
    Applicant: HYUNDAI WIA CORPORATION
    Inventor: Pil Ki KIM
  • Patent number: 9926985
    Abstract: A sliding ball type constant velocity joint for a vehicle includes an outer race that rotates upon receiving rotational power from a transmission and that has grooves formed for use as track grooves in the inner part; an inner race installed in the outer race; ten balls for transmitting rotational power from the outer race to the inner race; and a cage for supporting the ten balls.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: March 27, 2018
    Assignee: HYUNDAI WIA CORPORATION
    Inventor: Pil Ki Kim
  • Patent number: 9797457
    Abstract: A fixed ball type joint for a vehicle, which reduces the friction between a cage and an outer race and friction between the cage and an inner race by changing shapes of an inner spherical diameter of the outer race and an outer spherical diameter of the inner race. The fixed ball type joint for a vehicle includes an inner race, an outer race installed at the outside of the inner race, a plurality of balls for transmitting rotational power of the inner race to the outer race, and a cage for supporting the balls. A first inner spherical radius of the outer race is set to be smaller than a second inner spherical radius of the outer race. A first outer spherical radius of the inner race is set to be larger than a second outer spherical radius of the inner race.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: October 24, 2017
    Assignee: HYUNDAI WIA CORPORATION
    Inventor: Pil Ki Kim
  • Publication number: 20160201732
    Abstract: The present invention relates to a sliding ball type constant velocity joint for a vehicle, which distributes the load concentrated on the balls by using ten balls, thereby reducing friction between the balls and an outer race track and an inner race track, and also decreasing idle vibration when applied to automatic transmission vehicles. The sliding ball type constant velocity joint for a vehicle comprises: an outer race that rotates upon receiving rotational power from a transmission and that has grooves formed for use as track grooves in the inner part; an inner race installed in the outer race; ten balls for transmitting rotational power from the outer race to the inner race; and a cage for supporting the ten balls.
    Type: Application
    Filed: August 9, 2013
    Publication date: July 14, 2016
    Inventor: Pil Ki Kim
  • Publication number: 20160195140
    Abstract: Provided is a fixed ball type joint for a vehicle, which reduces the friction between a cage and an outer race and friction between the cage and an inner race by changing shapes of an inner spherical diameter of the outer race and an outer spherical diameter of the inner race.
    Type: Application
    Filed: August 9, 2013
    Publication date: July 7, 2016
    Inventor: Pil Ki KIM
  • Patent number: 8894497
    Abstract: Provided is a sliding ball type constant velocity joint for a vehicle, and more particularly, to a sliding ball type constant velocity joint for a vehicle, which can absorb idle vibration generated from the vehicle during idling by creating a clearance between an outer spherical surface of an inner race and an inner spherical surface of a cage. The sliding ball type constant velocity joint includes a shaft which receives rotational power from an engine and rotates, an outer race which is installed at an end of the shaft and having grooves formed therein, an inner race installed in the outer race, a plurality of balls for transmitting the rotational power of the outer race to the inner race, and a cage for supporting the balls, wherein a center of a radius of an outer spherical surface of the inner race is formed at a different location from a center of a radius of an inner spherical surface of the cage.
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: November 25, 2014
    Assignee: Hyundai Wia Corporation
    Inventor: Pil Ki Kim
  • Patent number: 8852005
    Abstract: An angled offset ball type constant velocity joint for a vehicle, which can enhance the strength of the joint by compensating for a contact surface pressure between an outer race groove and a ball while maintaining an outer diameter of the outer race by making rotation centers of the outer race and the inner race positioned to be symmetrical with respect to each other by an offset angle. The angled offset ball type constant velocity joint includes an inner race connected to an end of a shaft, an outer race installed outside the inner race, a plurality of balls for transmitting a torque of the inner race to the outer race, and a cage having windows for supporting the respective balls, wherein a rotation center of an outer race ball track is symmetrical with a rotation center of an inner race ball track by an offset angle.
    Type: Grant
    Filed: November 9, 2011
    Date of Patent: October 7, 2014
    Assignee: Hyundai Wia Corporation
    Inventor: Pil Ki Kim
  • Patent number: 8821301
    Abstract: Provided is a sliding ball type constant velocity joint for a vehicle, and more particularly, to a sliding ball type constant velocity joint for a vehicle, which can absorb idle vibration generated from the vehicle during idling by creating a clearance between an outer spherical surface of an inner race and an inner spherical surface of a cage. The sliding ball type constant velocity joint includes a shaft which receives rotational power from an engine and rotates, an outer race which is installed at an end of the shaft and having grooves formed therein, an inner race installed in the outer race, a plurality of balls for transmitting the rotational power of the outer race to the inner race, and a cage for supporting the balls, wherein a center of a radius of an outer spherical surface of the inner race is formed at a different location from a center of a radius of an inner spherical surface of the cage.
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: September 2, 2014
    Assignee: Hyundai Wia Corporation
    Inventor: Pil Ki Kim
  • Patent number: 8814711
    Abstract: Provided is a ball type constant velocity joint for a vehicle. The ball type constant velocity joint includes an inner race installed at an end of a shaft, an outer race installed outside the inner race, a plurality of hails for transmitting rotational power of the inner race to the outer race, and a cage having windows for supporting the balls, wherein a ball track of the outer race is divided into two sections consisting of an outer race radial track and an outer race linear track contiguous to the outer race radial track, and when a joint angle is not created, a rotation center of the outer race radial track and a rotation center of the inner race linear track are positioned at the same point on a vertical center axis and have the same vertical offset amount.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: August 26, 2014
    Assignee: Hyundai Wia Corporation
    Inventor: Pil Ki Kim
  • Patent number: 8814712
    Abstract: Provided is a sliding ball type constant velocity joint for a vehicle, and more particularly, to a sliding ball type constant velocity joint for a vehicle, which can absorb idle vibration generated from the vehicle during idling by creating a clearance between an outer spherical surface of an inner race and an inner spherical surface of a cage. The sliding ball type constant velocity joint includes a shaft which receives rotational power from an engine and rotates, an outer race which is installed at an end of the shaft and having grooves formed therein, an inner race installed in the outer race, a plurality of balls for transmitting the rotational power of the outer race to the inner race, and a cage for supporting the balls, wherein a center of a radius of an outer spherical surface of the inner race is formed at a different location from a center of a radius of an inner spherical surface of the cage.
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: August 26, 2014
    Assignee: Hyundai Wia Corporation
    Inventor: Pil Ki Kim
  • Publication number: 20140187337
    Abstract: The present invention discloses a tripod joint including: a housing having one or more radially positioned track grooves; a spider having one or more radially positioned trunnions protruding from the outer circumferential surface of the spider, the one or more radially positioned trunnions disposed within the one or more radially positioned track grooves of the housing, wherein the spider is configured to move in the axial direction of the housing one or more rollers disposed on the one or more radially positioned trunnions, the one or more rollers in contact with the inner circumferential surface of the one or more track grooves of the housing; and a lubricating mechanism configured to supply oil to the trunnions and the rollers.
    Type: Application
    Filed: May 17, 2013
    Publication date: July 3, 2014
    Applicants: HYUNDAI WIA CORPORATION, HYUNDAI MOTOR COMPANY
    Inventors: Min Kyu Kim, Hyo Seok Kim, Hyang Cheol Jo, Pil Ki Kim
  • Patent number: 8747237
    Abstract: A sliding ball type constant velocity joint including an outer race having a track groove pair formed by a pair of track grooves on its inner surface, an inner race installed in the outer race having a track groove pair formed by a pair of track grooves on its outer surface to correspond to the track groove pair of the outer race, a plurality of balls installed in the track groove pairs formed in the outer race and the pair of track grooves formed in the inner race, for transmitting the rotational power of the outer race to the inner race, and a cage having windows for accommodating and supporting each two of the balls. The joint can minimize vehicle vibration by forming the track groove pairs on the outer and inner races to reduce a contact area between the inner race and the cage.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: June 10, 2014
    Assignee: Hyundai Wia Corporation
    Inventor: Pil Ki Kim
  • Publication number: 20140148257
    Abstract: Provided is a sliding ball type constant velocity joint for a vehicle, and more particularly, to a sliding ball type constant velocity joint for a vehicle, which can absorb idle vibration generated from the vehicle during idling by creating a clearance between an outer spherical surface of an inner race and an inner spherical surface of a cage. The sliding ball type constant velocity joint includes a shaft which receives rotational power from an engine and rotates, an outer race which is installed at an end of the shaft and having grooves formed therein, an inner race installed in the outer race, a plurality of balls for transmitting the rotational power of the outer race to the inner race, and a cage for supporting the balls, wherein a center of a radius of an outer spherical surface of the inner race is formed at a different location from a center of a radius of an inner spherical surface of the cage.
    Type: Application
    Filed: July 16, 2013
    Publication date: May 29, 2014
    Inventor: Pil Ki Kim
  • Publication number: 20140148258
    Abstract: Provided is a sliding ball type constant velocity joint for a vehicle, and more particularly, to a sliding ball type constant velocity joint for a vehicle, which can absorb idle vibration generated from the vehicle during idling by creating a clearance between an outer spherical surface of an inner race and an inner spherical surface of a cage. The sliding ball type constant velocity joint includes a shaft which receives rotational power from an engine and rotates, an outer race which is installed at an end of the shaft and having grooves formed therein, an inner race installed in the outer race, a plurality of balls for transmitting the rotational power of the outer race to the inner race, and a cage for supporting the balls, wherein a center of a radius of an outer spherical surface of the inner race is formed at a different location from a center of a radius of an inner spherical surface of the cage.
    Type: Application
    Filed: July 16, 2013
    Publication date: May 29, 2014
    Inventor: Pil Ki Kim
  • Publication number: 20130310186
    Abstract: Provided is a sliding ball type constant velocity joint for a vehicle, and more particularly, to a sliding ball type constant velocity joint for a vehicle, which can absorb idle vibration generated from the vehicle during idling by creating a clearance between an outer spherical surface of an inner race and an inner spherical surface of a cage. The sliding ball type constant velocity joint includes a shaft which receives rotational power from an engine and rotates, an outer race which is installed at an end of the shaft and having grooves formed therein, an inner race installed in the outer race, a plurality of balls for transmitting the rotational power of the outer race to the inner race, and a cage for supporting the balls, wherein a center of a radius of an outer spherical surface of the inner race is formed at a different location from a center of a radius of an inner spherical surface of the cage.
    Type: Application
    Filed: July 16, 2013
    Publication date: November 21, 2013
    Applicant: Hyundai Wia Corporation
    Inventor: Pil Ki Kim
  • Publication number: 20130310185
    Abstract: Provided is a sliding ball type constant velocity joint for a vehicle, and more particularly, to a sliding ball type constant velocity joint for a vehicle, which can absorb idle vibration generated from the vehicle during idling by creating a clearance between an outer spherical surface of an inner race and an inner spherical surface of a cage. The sliding ball type constant velocity joint includes a shaft which receives rotational power from an engine and rotates, an outer race which is installed at an end of the shaft and having grooves formed therein, an inner race installed in the outer race, a plurality of balls for transmitting the rotational power of the outer race to the inner race, and a cage for supporting the balls, wherein a center of a radius of an outer spherical surface of the inner race is formed at a different location from a center of a radius of an inner spherical surface of the cage.
    Type: Application
    Filed: July 16, 2013
    Publication date: November 21, 2013
    Inventor: Pil Ki Kim
  • Publication number: 20130303292
    Abstract: Provided is a sliding ball type constant velocity joint for a vehicle, and more particularly, to a sliding ball type constant velocity joint for a vehicle, which can absorb idle vibration generated from the vehicle during idling by creating a clearance between an outer spherical surface of an inner race and an inner spherical surface of a cage. The sliding ball type constant velocity joint includes a shaft which receives rotational power from an engine and rotates, an outer race which is installed at an end of the shaft and having grooves formed therein, an inner race installed in the outer race, a plurality of balls for transmitting the rotational power of the outer race to the inner race, and a cage for supporting the balls, wherein a center of a radius of an outer spherical surface of the inner race is formed at a different location from a center of a radius of an inner spherical surface of the cage.
    Type: Application
    Filed: July 16, 2013
    Publication date: November 14, 2013
    Inventor: Pil Ki Kim
  • Patent number: 8512156
    Abstract: A sliding ball type constant velocity joint for a vehicle, and more particularly, to a sliding ball type constant velocity joint for a vehicle, which can absorb idle vibration generated from the vehicle during idling by creating a clearance between an outer spherical surface of an inner race and an inner spherical surface of a cage. The sliding ball type constant velocity joint includes a shaft which receives rotational power from an engine and rotates, an outer race which is installed at an end of the shaft and having grooves formed therein, an inner race installed in the outer race, a plurality of balls for transmitting the rotational power of the outer race to the inner race, and a cage for supporting the balls, wherein a center of a radius of an outer spherical surface of the inner race is formed at a different location from a center of a radius of an inner spherical surface of the cage.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: August 20, 2013
    Assignee: Hyundai Wia Corporation
    Inventor: Pil Ki Kim