Patents by Inventor I-Chao Chung

I-Chao Chung 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).

  • Planetary gear set
    Patent number: 11326688
    Abstract: A planetary gear set having a planet shaft that extends from a planet gear carrier into a hole in a planet gear. At least one set of bearing rollers may be received inside the hole and may rotatably support the planet gear on the planet shaft. A first shaft thrust washer may extend between the planet gear carrier and a set of bearing rollers.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: May 10, 2022
    Assignee: ArvinMeritor Technology, LLC
    Inventor: I-Chao Chung
  • Differential assembly having an overhanging ring gear
    Patent number: 10941846
    Abstract: A differential assembly having a case and a ring gear. The ring gear is mounted to the case and may include a mounting flange and a set of teeth. The mounting flange may have a fastener hole. The set of teeth overhangs the fastener hole such that the set of teeth extend further toward the axis than at least a portion of the fastener hole.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: March 9, 2021
    Assignee: ArvinMeritor Technology, LLC
    Inventors: Dhanapal Vittala Raya, I-Chao Chung, Tao Peng, Kristen G. Byrd
  • DIFFERENTIAL ASSEMBLY HAVING AN OVERHANGING RING GEAR
    Publication number: 20200347922
    Abstract: A differential assembly having a case and a ring gear. The ring gear is mounted to the case and may include a mounting flange and a set of teeth. The mounting flange may have a fastener hole. The set of teeth overhangs the fastener hole such that the set of teeth extend further toward the axis than at least a portion of the fastener hole.
    Type: Application
    Filed: April 30, 2019
    Publication date: November 5, 2020
    Applicant: ArvinMeritor Technology, LLC
    Inventors: Dhanapal Vittala Raya, I-Chao Chung, Tao Peng, Kristen G. Byrd
  • Axle assembly having counterphase planet gears
    Patent number: 10801602
    Abstract: An axle assembly having a planetary gear set. The planetary gear set may include first and second sets of planet gears that may mesh with a sun gear and a planetary ring gear. The second set of planet gears may be spaced apart from the first set of planet gears and may be positioned in counterphase with the first set of planet gears.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: October 13, 2020
    Assignee: ArvinMeritor Technology, LLC
    Inventors: Tao Peng, I-Chao Chung
  • AXLE ASSEMBLY HAVING COUNTERPHASE PLANET GEARS
    Publication number: 20200173535
    Abstract: An axle assembly having a planetary gear set. The planetary gear set may include first and second sets of planet gears that may mesh with a sun gear and a planetary ring gear. The second set of planet gears may be spaced apart from the first set of planet gears and may be positioned in counterphase with the first set of planet gears.
    Type: Application
    Filed: November 30, 2018
    Publication date: June 4, 2020
    Applicant: ArvinMeritor Technology, LLC
    Inventors: Tao Peng, I-Chao Chung
  • Bogie axle assembly
    Patent number: 10330184
    Abstract: A bogie axle assembly having a housing, a spindle, a drive sprocket unit, and a planetary gear set. The drive sprocket unit may be fixedly disposed on a planet gear carrier of the planetary gear set. The spindle may be fixedly disposed on the housing. The drive sprocket unit may be rotatably supported by at least one roller bearing assembly that may be disposed between the spindle and the drive sprocket unit.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: June 25, 2019
    Assignee: ArvinMeritor Technology, LLC
    Inventors: I-Chao Chung, Tomaz Dopico Varela
  • Axle assembly having a wet disc brake
    Patent number: 10065455
    Abstract: An axle assembly having a planetary gear set and an internal brake assembly. The brake assembly may have a piston that may be disposed between a disc pack and the planetary gear set. Rotation of a sun gear of the planetary gear set may be inhibited when the piston urges the disc pack against a flange of an axle housing.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: September 4, 2018
    Assignee: ArvinMeritor Technology, LLC
    Inventor: I-Chao Chung
  • Axle assembly having a sun gear positioning arrangement
    Patent number: 10036449
    Abstract: An axle assembly having a sun gear that may be received in a housing assembly. A washer may be received in a groove on the sun gear. A snap ring may inhibit axial movement of the washer with respect to the sun gear. A housing snap ring and a thrust washer may cooperate to inhibit axial movement of the washer with respect to the housing assembly.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: July 31, 2018
    Assignee: ArvinMeritor Technology, LLC
    Inventors: I-Chao Chung, Tomaz Dopico Varela
  • Bogie axle system
    Patent number: 9862231
    Abstract: A bogie axle system having an axle housing, a planetary gear set, a chain housing, and a slew bearing assembly. The axle housing may at least partially receive planetary gear set. The chain housing may receive a drive sprocket unit. The slew bearing assembly may pivotally couple the chain housing to the axle housing.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: January 9, 2018
    Assignee: ArvinMeritor Technology, LLC
    Inventors: Tomaz Dopico Varela, I-Chao Chung
  • Axle assembly having a bearing preload bolt
    Patent number: 9834038
    Abstract: An axle assembly having a preload bolt. The preload bolt may couple an output flange that may be supported by a roller bearing assembly to a planet carrier. A preload force may be exerted on the roller bearing assembly when the preload bolt is tightened to the planet carrier.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: December 5, 2017
    Assignee: ArvinMeritor Technology, LLC
    Inventor: I-Chao Chung
  • Bogie Axle Assembly
    Publication number: 20170299029
    Abstract: A bogie axle assembly having a housing, a spindle, a drive sprocket unit, and a planetary gear set. The drive sprocket unit may be fixedly disposed on a planet gear carrier of the planetary gear set. The spindle may be fixedly disposed on the housing. The drive sprocket unit may be rotatably supported by at least one roller bearing assembly that may be disposed between the spindle and the drive sprocket unit.
    Type: Application
    Filed: June 28, 2017
    Publication date: October 19, 2017
    Applicant: ArvinMeritor Technology, LLC
    Inventors: I-Chao Chung, Tomaz Dopico Varela
  • Bogie axle assembly
    Patent number: 9759289
    Abstract: A bogie axle assembly having a housing, a spindle, a drive sprocket unit, and a planetary gear set. The drive sprocket unit may be fixedly disposed on a planet gear carrier of the planetary gear set. The spindle may be fixedly disposed on the housing. The drive sprocket unit may be rotatably supported by at least one roller bearing assembly that may be disposed between the spindle and the drive sprocket unit.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: September 12, 2017
    Assignee: ArvinMeritor Technology, LLC
    Inventors: I-Chao Chung, Tomaz Dopico Varela
  • Axle Assembly Having a Sun Gear Positioning Arrangement
    Publication number: 20170122408
    Abstract: An axle assembly having a sun gear that may be received in a housing assembly. A washer may be received in a groove on the sun gear. A snap ring may inhibit axial movement of the washer with respect to the sun gear. A housing snap ring and a thrust washer may cooperate to inhibit axial movement of the washer with respect to the housing assembly.
    Type: Application
    Filed: November 3, 2015
    Publication date: May 4, 2017
    Inventors: I-Chao Chung, Tomaz Dopico Varela
  • Axle Assembly Having a Bearing Preload Bolt
    Publication number: 20170120675
    Abstract: An axle assembly having a preload bolt. The preload bolt may couple an output flange that may be supported by a roller bearing assembly to a planet carrier. A preload force may be exerted on the roller bearing assembly when the preload bolt is tightened to the planet carrier.
    Type: Application
    Filed: November 3, 2015
    Publication date: May 4, 2017
    Inventor: I-Chao Chung
  • Axle Assembly Having a Wet Disc Brake
    Publication number: 20170120676
    Abstract: An axle assembly having a planetary gear set and an internal brake assembly. The brake assembly may have a piston that may be disposed between a disc pack and the planetary gear set. Rotation of a sun gear of the planetary gear set may be inhibited when the piston urges the disc pack against a flange of an axle housing.
    Type: Application
    Filed: November 3, 2015
    Publication date: May 4, 2017
    Inventor: I-Chao Chung
  • Bogie Axle Assembly
    Publication number: 20170082175
    Abstract: A bogie axle assembly having a housing, a spindle, a drive sprocket unit, and a planetary gear set. The drive sprocket unit may be fixedly disposed on a planet gear carrier of the planetary gear set. The spindle may be fixedly disposed on the housing. The drive sprocket unit may be rotatably supported by at least one roller bearing assembly that may be disposed between the spindle and the drive sprocket unit.
    Type: Application
    Filed: September 21, 2015
    Publication date: March 23, 2017
    Inventors: I-Chao Chung, Tomaz Dopico Varela
  • Bogie Axle System
    Publication number: 20170080752
    Abstract: A bogie axle system having an axle housing, a planetary gear set, a chain housing, and a slew bearing assembly. The axle housing may at least partially receive planetary gear set. The chain housing may receive a drive sprocket unit. The slew bearing assembly may pivotally couple the chain housing to the axle housing.
    Type: Application
    Filed: September 21, 2015
    Publication date: March 23, 2017
    Inventors: Tomaz Dopico Varela, I-Chao Chung
  • Hypoid Gear Set For Drive Axle
    Publication number: 20150211604
    Abstract: A hypoid gear set for a vehicle drivetrain includes a pinion gear in meshing engagement with a ring gear. The hypoid gear set has a negative pinion offset. The hypoid pinion and ring gears provide a predetermined gear ratio that can be varied up to a fifty percent faster ratio within a single carrier packaging envelope defined by a maximum ring gear diameter.
    Type: Application
    Filed: April 7, 2015
    Publication date: July 30, 2015
    Inventors: Wagner Yukio Hirao, I-Chao Chung, Tomaz Dopico Varela, Silvio M. Yamada
  • Hypoid gear set for drive axle
    Patent number: 9022893
    Abstract: A hypoid gear set for a vehicle drivetrain includes a pinion gear in meshing engagement with a ring gear. The hypoid gear set has a negative pinion offset. The hypoid pinion and ring gears provide a predetermined gear ratio that can be varied up to a fifty percent faster ratio within a single carrier packaging envelope defined by a maximum ring gear diameter.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: May 5, 2015
    Assignee: ArvinMeritor Technology, LLC
    Inventors: Wagner Yukio Hirao, I-Chao Chung, Tomaz Dopico Varela, Silvio M. Yamada
  • Brake caliper mounting assembly
    Patent number: 8827054
    Abstract: A brake caliper mounting assembly that includes a steering knuckle, a brake caliper, and first and second mounting blocks. The first and second mounting blocks are mounted to the steering knuckle. The brake caliper is mounted on the first and second blocks.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: September 9, 2014
    Assignee: ArvinMeritor Technology, LLC
    Inventors: I-Chao Chung, Tomaz Dopico Varela, Kou Yang