Patents by Inventor Douglas J. Chemelli

Douglas J. Chemelli 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: 11353098
    Abstract: A vehicle driveline component includes a case defining lever apertures, a coupling having a movable member that is movable along a movement axis between a first and a second position, a linear having a motor output member movable along the movement axis, and a plurality of levers. Each lever is disposed in an associated lever aperture and coupled to the case for pivoting motion about a respective lever pivot axis. The levers urge the movable member in a first direction along the movement axis from one of the first and second positions to the other one of the first and second positions in response to pivoting motion of the levers about the lever pivot axes caused by contact between the levers and the motor output member when the motor output member is driven in a second direction along the movement axis that is opposite the first direction.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: June 7, 2022
    Assignee: American Axle & Manufacturing, Inc.
    Inventors: Douglas J. Chemelli, Joseph S. Balenda, II, Peter Barta
  • Publication number: 20210348677
    Abstract: A vehicle driveline component includes a case defining lever apertures, a coupling having a movable member that is movable along a movement axis between a first and a second position, a linear having a motor output member movable along the movement axis, and a plurality of levers. Each lever is disposed in an associated lever aperture and coupled to the case for pivoting motion about a respective lever pivot axis. The levers urge the movable member in a first direction along the movement axis from one of the first and second positions to the other one of the first and second positions in response to pivoting motion of the levers about the lever pivot axes caused by contact between the levers and the motor output member when the motor output member is driven in a second direction along the movement axis that is opposite the first direction.
    Type: Application
    Filed: April 13, 2021
    Publication date: November 11, 2021
    Inventors: Douglas J. CHEMELLI, Joseph S. BALENDA, II, Peter BARTA
  • Patent number: 11118666
    Abstract: A differential assembly includes a differential, a collar, and a coupling. The differential has a differential input and differential gearing. The differential input is rotatable about a differential axis. The differential gearing has first and second differential output gears that are rotatable relative to the differential input about the differential axis. The differential gearing transmits rotary power between the differential input and the first and second differential output gears. The collar is rotatable about the differential axis. The coupling has first and second coupling members. The first coupling member is fixedly coupled to the first side gear. The second coupling member is fixedly coupled to the collar. The coupling is operable in a disengaged mode, in which the collar is rotationally decoupled from the first differential output gear, and an engaged mode in which the collar is rotatably coupled to the first differential output gear.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: September 14, 2021
    Assignee: American Axle & Manufacturing, Inc.
    Inventors: Steven T. Richards, Douglas J. Chemelli, Joseph S. Balenda, II
  • Patent number: 11047465
    Abstract: A vehicle driveline component with a differential case, a cross-pin, a differential gearset, and a retaining member. The differential case is rotatable about a first axis and has an annular wall member that defines a differential cavity. The cross-pin is received in a cross-pin aperture formed through a first side of the annular wall member. The cross-pin extends through the differential cavity along a second axis that is perpendicular to the first axis. The differential gearset is received in the differential cavity and includes a pair of side gears, which are rotatable about the first axis, and a pair of pinion gears that are journally supported by the cross-pin and meshingly engaged with the side gears. The retaining member is welded to the annular wall member and limits movement of the cross-pin relative to the differential case along the second axis in a direction toward the retaining member.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: June 29, 2021
    Assignee: American Axle & Manufacturing, Inc.
    Inventors: Robert C. Gorski, Douglas J. Chemelli, Cory J. Padfield, Toby V. Padfield
  • Patent number: 10941845
    Abstract: A driveline power transmitting component with a differential assembly having a differential input, first and second differential outputs, which are driven by the differential input, a first friction clutch, a first biasing spring and a second friction clutch. The first friction clutch has a friction plate that is non-rotatably but axially slidably coupled to the differential input. The first biasing spring urges the first friction clutch into an engaged condition in which the friction plate of the first friction clutch is frictionally engaged to the first differential output. The second friction clutch has a plurality of first clutch plates, which are axially slidably but non-rotatably coupled to the differential input, and a plurality of second clutch plates that interleaved with the first clutch plates and axially slidably but non-rotatably coupled to the first differential output.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: March 9, 2021
    Assignee: American Axle & Manufacturing, Inc.
    Inventors: Shawn S. Proctor, Douglas J. Chemelli
  • Patent number: 10837536
    Abstract: A driveline power transmitting device that includes a limited slip differential having a differential case, a cross-pin, a pair of pressure rings, a pair of clutch packs, a pair of preload springs, and a pair of preload control mechanisms. The pressure rings are non-rotatably coupled to the differential case and are disposed on opposite sides of the cross-pin. The preload springs bias the pressure rings toward the clutch packs and thereby preload the clutch packs. The pressure rings are urged axially away from the cross-pin to further compress the clutch packs in response to rotation of the cross-pin relative to the differential case. The preload control mechanisms are employed to decrease the preload force on the clutch packs in certain situations.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: November 17, 2020
    Assignee: American Axle & Manufacturing, Inc.
    Inventors: Douglas J. Chemelli, Ryan Ettenhofer
  • Publication number: 20200340567
    Abstract: A driveline power transmitting component with a differential assembly having a differential input, first and second differential outputs, which are driven by the differential input, a first friction clutch, a first biasing spring and a second friction clutch. The first friction clutch has a friction plate that is non-rotatably but axially slidably coupled to the differential input. The first biasing spring urges the first friction clutch into an engaged condition in which the friction plate of the first friction clutch is frictionally engaged to the first differential output. The second friction clutch has a plurality of first clutch plates, which are axially slidably but non-rotatably coupled to the differential input, and a plurality of second clutch plates that interleaved with the first clutch plates and axially slidably but non-rotatably coupled to the first differential output.
    Type: Application
    Filed: April 25, 2019
    Publication date: October 29, 2020
    Inventors: Shawn S. PROCTOR, Douglas J. CHEMELLI
  • Patent number: 10767754
    Abstract: A vehicle driveline component with a differential mechanism and a lubrication device for lubricating the differential mechanism. The differential mechanism has a differential input member, which is rotatable about a differential axis, and a pair of differential outputs that are driven by the differential input member. The lubrication device includes at least one discharge port that is disposed in a volume within the differential input member and along the differential axis between the differential outputs.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: September 8, 2020
    Assignee: American Axle & Manufacturing, Inc.
    Inventors: Moshe Rothstein, Douglas J. Chemelli
  • Publication number: 20200240499
    Abstract: A driveline power transmitting device that includes a limited slip differential having a differential case, a cross-pin, a pair of pressure rings, a pair of clutch packs, a pair of preload springs, and a pair of preload control mechanisms. The pressure rings are non-rotatably coupled to the differential case and are disposed on opposite sides of the cross-pin. The preload springs bias the pressure rings toward the clutch packs and thereby preload the clutch packs. The pressure rings are urged axially away from the cross-pin to further compress the clutch packs in response to rotation of the cross-pin relative to the differential case. The preload control mechanisms are employed to decrease the preload force on the clutch packs in certain situations.
    Type: Application
    Filed: January 25, 2019
    Publication date: July 30, 2020
    Inventors: Douglas J. CHEMELLI, Ryan ETTENHOFER
  • Patent number: 10612637
    Abstract: A driveline component with a differential having a differential gearset mounted in a differential case. The differential gearset has first and second side gears and one or more pinion gears that are meshed with the first and second side gears. The differential gearset is configured to limit inboard thrusting of the first and second side gears so that backlash will be always be present between the pinion gears and each of first and second side gears.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: April 7, 2020
    Assignee: American Axle & Manufacturing, Inc.
    Inventors: Douglas J. Chemelli, Jeffrey L. Kincaid, Stephen C. Doud, Derek C. Remillong, Joseph S. Balenda, II, Ramanand R. Shetty
  • Patent number: 10571008
    Abstract: A vehicle driveline component having a limited slip differential with a differential gearset and a pair of clutch packs received in a differential case. The differential gearset employs side gears that are meshed with first differential pinions, which are mounted about a first pin axis, and second differential pinions, which are mounted about a second pin axis that is not perpendicular to the first pin axis. The teeth of the first differential pinions are formed with drive side having a first pressure angle. The teeth of the second differential pinions are formed with a coast side having a second pressure angle that is different from the first pressure angle. The teeth of the side gears are asymmetric and have a first side, which is formed with the first pressure angle, and a second side that is formed with the second pressure angle.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: February 25, 2020
    Assignee: AMERICAN AXLE & MANUFACTURING, INC.
    Inventors: Paul J. Valente, Douglas J. Chemelli, James P. Downs
  • Publication number: 20200032889
    Abstract: A vehicle driveline component having a limited slip differential with a differential gearset and a pair of clutch packs received in a differential case. The differential gearset employs side gears that are meshed with first differential pinions, which are mounted about a first pin axis, and second differential pinions, which are mounted about a second pin axis that is not perpendicular to the first pin axis. The teeth of the first differential pinions are formed with drive side having a first pressure angle. The teeth of the second differential pinions are formed with a coast side having a second pressure angle that is different from the first pressure angle. The teeth of the side gears are asymmetric and have a first side, which is formed with the first pressure angle, and a second side that is formed with the second pressure angle.
    Type: Application
    Filed: July 30, 2018
    Publication date: January 30, 2020
    Inventors: Paul J. VALENTE, Douglas J. CHEMELLI, James P. DOWNS
  • Publication number: 20190368597
    Abstract: A vehicle driveline component with a differential mechanism and a lubrication device for lubricating the differential mechanism. The differential mechanism has a differential input member, which is rotatable about a differential axis, and a pair of differential outputs that are driven by the differential input member. The lubrication device includes at least one discharge port that is disposed in a volume within the differential input member and along the differential axis between the differential outputs.
    Type: Application
    Filed: May 30, 2018
    Publication date: December 5, 2019
    Inventors: Moshe ROTHSTEIN, Douglas J. CHEMELLI
  • Publication number: 20190344661
    Abstract: A disconnecting differential assembly includes a first dog, a second dog, and an actuator. The first dog can include first engagement features fixedly coupled to a first side gear and disposed within the differential case. The second dog can include second engagement features and an annular body. The second engagement features can be radially outward of the annular body and fixedly coupled thereto. The annular body and second engagement features can be disposed within the differential case. The second dog can be rotatable relative to the differential case and the actuator can axially move the second dog between a first position wherein the first and second engagement features are disengaged, and a second position wherein the first and second engagement features are engaged to selectively non-rotatably couple the first and second dogs. The annular body can be adapted to be non-rotatably coupled to an output shaft.
    Type: Application
    Filed: July 24, 2019
    Publication date: November 14, 2019
    Inventors: Steven T. RICHARDS, Douglas J. CHEMELLI, Joseph S. BALENDA, II
  • Publication number: 20190285156
    Abstract: A vehicle driveline component with a differential case, a cross-pin, a differential gearset, and a retaining member. The differential case is rotatable about a first axis and has an annular wall member that defines a differential cavity. The cross-pin is received in a cross-pin aperture formed through a first side of the annular wall member. The cross-pin extends through the differential cavity along a second axis that is perpendicular to the first axis. The differential gearset is received in the differential cavity and includes a pair of side gears, which are rotatable about the first axis, and a pair of pinion gears that are journally supported by the cross-pin and meshingly engaged with the side gears. The retaining member is welded to the annular wall member and limits movement of the cross-pin relative to the differential case along the second axis in a direction toward the retaining member.
    Type: Application
    Filed: June 5, 2019
    Publication date: September 19, 2019
    Inventors: Robert C. GORSKI, Douglas J. CHEMELLI, Cory J. PADFIELD, Toby V. PADFIELD
  • Patent number: 10391861
    Abstract: A disconnecting differential assembly includes a first dog, a second dog, and an actuator. The first dog can include first engagement features fixedly coupled to a first side gear and disposed within the differential case. The second dog can include second engagement features and an annular body. The second engagement features can be radially outward of the annular body and fixedly coupled thereto. The annular body and second engagement features can be disposed within the differential case. The second dog can be rotatable relative to the differential case and the actuator can axially move the second dog between a first position wherein the first and second engagement features are disengaged, and a second position wherein the first and second engagement features are engaged to selectively non-rotatably couple the first and second dogs. The annular body can be adapted to be non-rotatably coupled to an output shaft.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: August 27, 2019
    Assignee: AMERICAN AXLE & MANUFACTURING, INC.
    Inventors: Steven T. Richards, Douglas J. Chemelli, Joseph S. Balenda, II
  • Publication number: 20190219142
    Abstract: A driveline component with a differential having a differential gearset mounted in a differential case. The differential gearset has first and second side gears and one or more pinion gears that are meshed with the first and second side gears. The differential gearset is configured to limit inboard thrusting of the first and second side gears so that backlash will be always be present between the pinion gears and each of first and second side gears.
    Type: Application
    Filed: January 18, 2018
    Publication date: July 18, 2019
    Inventors: Douglas J. Chemelli, Jeffrey L. Kincaid, Stephen C. Doud, Derek C. Remillong, Joseph S. Balenda, II, Ramanand R. Shetty
  • Patent number: 10352425
    Abstract: A vehicle driveline component with a differential case, a cross-pin, a differential gearset, and a retaining member. The differential case is rotatable about a first axis and has an annular wall member that defines a differential cavity. The cross-pin is received in a cross-pin aperture formed through a first side of the annular wall member. The cross-pin extends through the differential cavity along a second axis that is perpendicular to the first axis. The differential gearset is received in the differential cavity and includes a pair of side gears, which are rotatable about the first axis, and a pair of pinion gears that are journally supported by the cross-pin and meshingly engaged with the side gears. The retaining member is welded to the annular wall member and limits movement of the cross-pin relative to the differential case along the second axis in a direction toward the retaining member.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: July 16, 2019
    Assignee: AMERICAN AXLE & MANUFACTURING, INC.
    Inventors: Robert C. Gorski, Douglas J. Chemelli, Cory J. Padfield, Toby V. Padfield
  • Publication number: 20180231112
    Abstract: A vehicle driveline component with a differential case, a cross-pin, a differential gearset, and a retaining member. The differential case is rotatable about a first axis and has an annular wall member that defines a differential cavity. The cross-pin is received in a cross-pin aperture formed through a first side of the annular wall member. The cross-pin extends through the differential cavity along a second axis that is perpendicular to the first axis. The differential gearset is received in the differential cavity and includes a pair of side gears, which are rotatable about the first axis, and a pair of pinion gears that are journally supported by the cross-pin and meshingly engaged with the side gears. The retaining member is welded to the annular wall member and limits movement of the cross-pin relative to the differential case along the second axis in a direction toward the retaining member.
    Type: Application
    Filed: February 14, 2017
    Publication date: August 16, 2018
    Inventors: Robert C. Gorski, Douglas J. Chemelli, Cory J. Padfield, Toby V. Padfield
  • Publication number: 20180029471
    Abstract: A disconnecting differential assembly includes a first dog, a second dog, and an actuator. The first dog can include first engagement features fixedly coupled to a first side gear and disposed within the differential case. The second dog can include second engagement features and an annular body. The second engagement features can be radially outward of the annular body and fixedly coupled thereto. The annular body and second engagement features can be disposed within the differential case. The second dog can be rotatable relative to the differential case and the actuator can axially move the second dog between a first position wherein the first and second engagement features are disengaged, and a second position wherein the first and second engagement features are engaged to selectively non-rotatably couple the first and second dogs. The annular body can be adapted to be non-rotatably coupled to an output shaft.
    Type: Application
    Filed: July 27, 2016
    Publication date: February 1, 2018
    Inventors: Steven T. Richards, Douglas J. Chemelli, Joseph S. Balenda, II