Patents by Inventor Dhanapal Vittala Raya

Dhanapal Vittala Raya 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).

  • AXLE ASSEMBLY HAVING A WHEEL END ASSEMBLY AND A GEAR REDUCTION UNIT
    Publication number: 20240025206
    Abstract: An axle assembly having a spindle, an axle shaft, and a wheel end assembly. The wheel end assembly includes a hub and a gear reduction unit. The gear reduction unit includes first and second side gears, a case, and a pinion gear that is rotatably disposed on a pinion pin. The case is rotatable with the hub.
    Type: Application
    Filed: September 6, 2022
    Publication date: January 25, 2024
    Applicant: ArvinMeritor Technology, LLC
    Inventors: Dhanapal Vittala Raya, Aneesh N. Singaran, Chandrakant Kotagi
  • AXLE ASSEMBLY HAVING A LUBRICANT DEFLECTOR
    Publication number: 20230417316
    Abstract: An axle assembly having a differential carrier, a differential assembly, and a lubricant deflector. The differential assembly is mounted to the differential carrier and is rotatable about a differential axis. The lubricant deflector is mounted to the differential carrier and directs lubricant that is splashed or sprayed by a ring gear of the differential assembly into a lubricant passage of the differential carrier.
    Type: Application
    Filed: June 22, 2022
    Publication date: December 28, 2023
    Applicant: ArvinMeritor Technology, LLC
    Inventors: Dhanapal Vittala Raya, Mark Smith, Kristen G. Byrd
  • Axle assembly having a drive pinion and a preload nut and a method of assembly
    Patent number: 11820171
    Abstract: An axle assembly and method of assembly. The axle assembly may include a drive pinion and a preload nut. The drive pinion may have a recess. The preload nut may have a deformable ring. The deformable ring may engage the drive pinion inside the recess to inhibit rotation of the preload nut.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: November 21, 2023
    Assignee: ArvinMeritor Technology, LLC
    Inventor: Dhanapal Vittala Raya
  • AXLE ASSEMBLY HAVING A DRIVE PINION AND A PRELOAD NUT AND A METHOD OF ASSEMBLY
    Publication number: 20220212498
    Abstract: An axle assembly and method of assembly. The axle assembly may include a drive pinion and a preload nut. The drive pinion may have a recess. The preload nut may have a deformable ring. The deformable ring may engage the drive pinion inside the recess to inhibit rotation of the preload nut.
    Type: Application
    Filed: January 7, 2021
    Publication date: July 7, 2022
    Applicant: ArvinMeritor Technology, LLC
    Inventor: Dhanapal Vittala Raya
  • Axle assembly having an electric motor module
    Patent number: 11273700
    Abstract: An axle assembly that includes an axle housing, a differential carrier, and an electric motor module. The differential carrier that is mounted to the axle housing and rotatably supports a differential. The electric motor module is received inside the differential carrier and is operatively connected to and provides torque to the differential.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: March 15, 2022
    Assignee: ArvinMeritor Technology, LLC
    Inventors: Pedro Garcia, Dhanapal Vittala Raya, Christopher Keeney, Wagner Yukio Hirao, David G. Gonska
  • AXLE ASSEMBLY HAVING AN ELECTRIC MOTOR MODULE AND METHOD OF MANUFACTURE
    Publication number: 20210376686
    Abstract: An axle assembly and a method of manufacture. The axle assembly may include a differential carrier and a bearing support wall. The differential carrier may be made of a first material. The bearing support wall may be mounted to the differential carrier and may be made of a second material. The second material may have a greater stiffness than the first material.
    Type: Application
    Filed: May 9, 2019
    Publication date: December 2, 2021
    Applicant: ArvinMeritor Technology, LLC
    Inventors: Mark Smith, Dhanapal Vittala Raya
  • LUBRICATION OF AN AXLE ASSEMBLY HAVING AN ELECTRIC MOTOR MODULE
    Publication number: 20210231210
    Abstract: An axle assembly having a drive pinion and a bearing support wall. Lubricant in a shift mechanism housing may flow through a drive pinion passage in the drive pinion to return to a sump portion of an axle housing. The bearing support wall may include one or more lubricant passages.
    Type: Application
    Filed: May 9, 2019
    Publication date: July 29, 2021
    Applicant: ArvinMeritor Technology, LLC
    Inventors: Mark Smith, Dhanapal Vittala Raya
  • Axle assembly having an electric motor module and method of assembly
    Patent number: 11038396
    Abstract: An axle assembly having an electric motor module and a method of assembly. The electric motor module may include a motor housing, a coolant jacket that may be received in the motor housing, and stator windings that may be disposed in the coolant jacket. A mounting flange of a differential carrier may receive a portion of the coolant jacket.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: June 15, 2021
    Assignee: ArvinMeritor Technology, LLC
    Inventors: Dhanapal Vittala Raya, Mark Smith, Chetankumar Ghatti, Kristen G. Byrd
  • 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 with multiple lubricant chambers
    Patent number: 10808830
    Abstract: An axle assembly having a differential carrier that includes a bearing support wall that at least partially defines a first lubricant chamber. A rotor output flange that is fixedly coupled to a rotor may at least partially defines a second lubricant chamber. At least one seal may separate the first lubricant chamber from the second lubricant chamber.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: October 20, 2020
    Assignee: ArvinMeritor Technology, LLC
    Inventors: Angel Begov, Mark Smith, Dhanapal Vittala Raya
  • Torque transmission apparatus and a collar having concave tooth side surfaces
    Patent number: 10794430
    Abstract: A collar and a torque transmission apparatus having a collar. The collar may have a set of collar teeth. Each collar tooth may include a first end surface, a second end surface, a first collar side surface, and a second collar side surface. The first and second collar side surfaces may be concave from the first end surface to the second end surface.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: October 6, 2020
    Assignee: ArvinMeritor Technology, LLC
    Inventors: Wagner Yukio Hirao, Dhanapal Vittala Raya
  • AXLE ASSEMBLY WITH MULTIPLE LUBRICANT CHAMBERS
    Publication number: 20200173537
    Abstract: An axle assembly having a differential carrier that includes a bearing support wall that at least partially defines a first lubricant chamber. A rotor output flange that is fixedly coupled to a rotor may at least partially defines a second lubricant chamber. At least one seal may separate the first lubricant chamber from the second lubricant chamber.
    Type: Application
    Filed: November 30, 2018
    Publication date: June 4, 2020
    Applicant: ArvinMeritor Technology, LLC
    Inventors: Angel Begov, Mark Smith, Dhanapal Vittala Raya
  • AXLE ASSEMBLY HAVING AN ELECTRIC MOTOR MODULE AND METHOD OF ASSEMBLY
    Publication number: 20200177049
    Abstract: An axle assembly having an electric motor module and a method of assembly. The electric motor module may include a motor housing, a coolant jacket that may be received in the motor housing, and stator windings that may be disposed in the coolant jacket. A mounting flange of a differential carrier may receive a portion of the coolant jacket.
    Type: Application
    Filed: November 30, 2018
    Publication date: June 4, 2020
    Applicant: ArvinMeritor Technology, LLC
    Inventors: Dhanapal Vittala Raya, Mark Smith, Chetankumar Ghatti, Kristen G. Byrd
  • Axle assembly having an electric motor module and a gear reduction module
    Patent number: 10500940
    Abstract: An axle assembly having an axle housing, a differential carrier, an electric motor module, and a gear reduction module. The differential carrier may be mounted to the axle housing and may rotatably support a differential. The electric motor module may be disposed in the differential carrier. The gear reduction module may be disposed adjacent to a differential carrier cover and may transmit torque from the electric motor module to the differential via a drive pinion.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: December 10, 2019
    Assignee: ArvinMeritor Technology, LLC
    Inventors: Pedro Garcia, Dhanapal Vittala Raya, Christopher Keeney, Wagner Yukio Hirao, David G. Gonska
  • Axle assembly having an electric motor module and a shift mechanism
    Patent number: 10500941
    Abstract: An axle assembly having an electric motor module, a gear reduction module, and a shift mechanism. The shift mechanism may have a shift collar that may transmit torque from the gear reduction module to a drive pinion. The shift collar may be movable between a first position in which a low range gear ratio is engaged, a second position in which a neutral gear ratio is selected, and a third position in which a high range gear ratio is engaged.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: December 10, 2019
    Assignee: ArvinMeritor Technology, LLC
    Inventors: Pedro Garcia, Dhanapal Vittala Raya, Christopher Keeney, Wagner Yukio Hirao, David G. Gonska
  • TORQUE TRANSMISSION APPARATUS AND A COLLAR HAVING CONCAVE TOOTH SIDE SURFACES
    Publication number: 20190366838
    Abstract: A collar and a torque transmission apparatus having a collar. The collar may have a set of collar teeth. Each collar tooth may include a first end surface, a second end surface, a first collar side surface, and a second collar side surface. The first and second collar side surfaces may be concave from the first end surface to the second end surface.
    Type: Application
    Filed: June 5, 2018
    Publication date: December 5, 2019
    Applicant: ArvinMeritor Technology, LLC
    Inventors: Wagner Yukio Hirao, Dhanapal Vittala Raya
  • Axle Assembly Having an Electric Motor Module and a Shift Mechanism
    Publication number: 20190054818
    Abstract: An axle assembly having an electric motor module, a gear reduction module, and a shift mechanism. The shift mechanism may have a shift collar that may transmit torque from the gear reduction module to a drive pinion. The shift collar may be movable between a first position in which a low range gear ratio is engaged, a second position in which a neutral gear ratio is selected, and a third position in which a high range gear ratio is engaged.
    Type: Application
    Filed: August 18, 2017
    Publication date: February 21, 2019
    Applicant: ArvinMeritor Technology, LLC
    Inventors: Pedro Garcia, Dhanapal Vittala Raya, Christopher Keeney, Wagner Yukio Hirao, David G. Gonska
  • Axle Assembly Having an Electric Motor Module
    Publication number: 20190054816
    Abstract: An axle assembly that includes an axle housing, a differential carrier, and an electric motor module. The differential carrier that is mounted to the axle housing and rotatably supports a differential. The electric motor module is received inside the differential carrier and is operatively connected to and provides torque to the differential.
    Type: Application
    Filed: August 18, 2017
    Publication date: February 21, 2019
    Applicant: ArvinMeritor Technology, LLC
    Inventors: Pedro Garcia, Dhanapal Vittala Raya, Christopher Keeney, Wagner Yukio Hirao, David G. Gonska
  • Axle Assembly Having an Electric Motor Module and a Gear Reduction Module
    Publication number: 20190054817
    Abstract: An axle assembly having an axle housing, a differential carrier, an electric motor module, and a gear reduction module. The differential carrier may be mounted to the axle housing and may rotatably support a differential. The electric motor module may be disposed in the differential carrier. The gear reduction module may be disposed adjacent to a differential carrier cover and may transmit torque from the electric motor module to the differential via a drive pinion.
    Type: Application
    Filed: August 18, 2017
    Publication date: February 21, 2019
    Applicant: ArvinMeritor Technology, LLC
    Inventors: Pedro Garcia, Dhanapal Vittala Raya, Christopher Keeney, Wagner Yukio Hirao, David G. Gonska