Patents by Inventor David Janson

David Janson 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).

  • Pressure and flow continuity through transmission supports
    Patent number: 8544628
    Abstract: An assembly includes a support including a first passage having a opening along a length of the passage and facing outward from the passage, a clutch support including a second passage having a second opening along a length of the second passage and facing toward the opening, and a sleeve fitted over the first passage, enclosing said open length, and formed with a third passage that hydraulically connects the first passage and the second passage.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: October 1, 2013
    Assignee: Ford Global Technologies, LLC
    Inventors: David A. Janson, Jeffrey E. Maurer, Keith A. Devereaux
  • Power takeoff for all-wheel-drive systems
    Patent number: 8544588
    Abstract: A system for transmitting rotary power to the wheels of a motor vehicle includes an input, a planetary final drive connected driveably to the input and including a first output that is driven at a speed that is slower than a speed of the input, and a inter-wheel planetary differential driveably connected to the first output for splitting torque carried by the first output between a second output connected driveably to a first wheel of a first wheel set and a third output connected driveably to a second wheel of the first wheel set.
    Type: Grant
    Filed: November 9, 2007
    Date of Patent: October 1, 2013
    Assignee: Ford Global Technologies, LLC
    Inventor: David A. Janson
  • Gearset carrier and servo cylinder assembly
    Patent number: 8475325
    Abstract: A carrier assembly includes a first plate, a second plate spaced from the first plate and formed with a cylinder, pinions supported on the first and second plates; and a piston located in the cylinder for displacement along an axis of the cylinder.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: July 2, 2013
    Assignee: Ford Global Technologies, LLC
    Inventors: David A. Janson, Jeffrey E. Maurer, Gregory D. Goleski
  • Vehicle accessory drive system
    Patent number: 8475317
    Abstract: A vehicle drive system includes a first power path wherein an engine drives an accessory and a starter-alternator at relatively low speed, a second power path wherein the engine drives the accessory and a starter-alternator at relatively high speed, a third power path wherein the starter-alternator drives the accessory while the engine is off, and a fourth power path wherein the starter-alternator cranks the engine before an engine restart.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: July 2, 2013
    Assignee: Ford Global Technologies, LLC
    Inventors: David A. Janson, John E. Brevick, Reid A. Baldwin
  • Accessory drive and engine restarting system
    Patent number: 8475316
    Abstract: A drive system includes a pulley, an engine, a variator including an input and an output, for varying a ratio of output speed and input speed, and a gearset drivably interconnecting the input, the output, the engine and pulley.
    Type: Grant
    Filed: July 22, 2010
    Date of Patent: July 2, 2013
    Assignee: Ford Global Technologies, LLC
    Inventors: Donald E. Hoffman, David A. Janson
  • Clutch piston support
    Patent number: 8454468
    Abstract: An assembly includes a clutch support formed with multiple cylinders, each cylinder connectable to a source of hydraulic pressure that actuates a clutch, and a planetary gearset including a ring gear driveably connected to the clutch support.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: June 4, 2013
    Assignee: Ford Global Technologies, LLC
    Inventors: David A. Janson, Jeffrey E. Maurer, Laurence A. Deutsch
  • Final drive mechanism for a transmission
    Patent number: 8403798
    Abstract: A final drive mechanism includes a pinion, a gear meshing with the pinion, a differential mechanism, and a first gearset including an input driveably connected to the gear, and an output driveably connected to the differential, rotating slower than a speed of the gear, and rotating in a direction opposite the direction of the gear.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: March 26, 2013
    Assignee: Ford Global Technologies, LLC
    Inventors: David A. Janson, Jeffrey E. Maurer, Laurence A. Deutsch
  • Front support for transmission gear box
    Patent number: 8403788
    Abstract: A transmission includes a case containing a torque converter that includes a stator, a gearset including a carrier, a second gearset, friction elements for controlling operation of the second gearset, and a support secured against rotation, including passages that communicate hydraulic fluid and pressure to the control elements and torque converter.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: March 26, 2013
    Assignee: Ford Global Technologies, LLC
    Inventors: David A. Janson, Jeffrey E. Maurer, Keith A. Devereaux
  • Magnetically actuated one-way clutch
    Patent number: 8403123
    Abstract: A one-way clutch includes a first race secured against rotation and fitted with a coil, a second race supported for rotation, a coil carried by one of the races, and struts supported by one of the races, each strut driveably connecting and disconnecting the races in response to a magnetic field induced by current in the coil.
    Type: Grant
    Filed: May 25, 2010
    Date of Patent: March 26, 2013
    Assignee: Ford Global Technologies, LLC
    Inventors: Norman J. Bird, Gregory D. Gardner, David A. Janson, Matthew T. Trent
  • Accessory drive and engine restarting system
    Patent number: 8382631
    Abstract: A drive system includes a pulley, an engine, a variator for varying a ratio of an output speed and an input speed, a gearset including a first and second components driveably connected to the engine and pulley, respectively, and a third component connected to the output, and a second gearset for increasing an input speed relative to an pulley speed.
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: February 26, 2013
    Assignee: Ford Global Technologies, LLC
    Inventors: Donald E. Hoffman, David A. Janson
  • Transmission producing continuously variable speed ratios
    Patent number: 8376889
    Abstract: A transmission includes an input, a variator including an output and a ball carrier secured to the input, producing a variable speed ratio between the ball carrier and the output, a gearset including a component connected to the output, and second and third components, a first clutch releaseably connecting the input and the second component, and a second clutch releaseably connecting the component and the third component.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: February 19, 2013
    Assignee: Ford Global Technologies, LLC
    Inventors: Donald E. Hoffman, David A. Janson
  • VEHICLE ACCESSORY DRIVE SYSTEM
    Publication number: 20130035193
    Abstract: A vehicle drive system includes a first power path wherein an engine drives an accessory and a starter-alternator at relatively low speed, a second power path wherein the engine drives the accessory and a starter-alternator at relatively high speed, a third power path wherein the starter-alternator drives the accessory while the engine is off, and a fourth power path wherein the starter-alternator cranks the engine before an engine restart.
    Type: Application
    Filed: August 3, 2011
    Publication date: February 7, 2013
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: David A. Janson, John E. Brevick, Reid A. Baldwin
  • FINAL DRIVE MECHANISM AND POWER TAKE OFF FOR A TRANSMISSION
    Publication number: 20120279327
    Abstract: A drive mechanism includes a transmission including a pinion centered at an axis, a differential mechanism centered at a second axis forward of the axis, driveably connected to the pinion through a gear wheel meshing with the pinion, and a power take-off mechanism centered at a third axis rearward of the axis, driveably connected to the pinion, including a clutch that alternately opens and closes a drive connection to the pinion.
    Type: Application
    Filed: July 19, 2012
    Publication date: November 8, 2012
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: David A. Janson, Jeffrey E. Maurer
  • Gearset Carrier and Servo Cylinder Assembly
    Publication number: 20120220406
    Abstract: A carrier assembly includes a first plate, a second plate spaced from the first plate and formed with a cylinder, pinions supported on the first and second plates; and a piston located in the cylinder for displacement along an axis of the cylinder.
    Type: Application
    Filed: February 24, 2011
    Publication date: August 30, 2012
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: David A. Janson, Jeffrey E. Maurer, Gregory D. Goleski
  • Pressure and Flow Continuity Through Transmission Supports
    Publication number: 20120217120
    Abstract: An assembly includes a support including a first passage having a opening along a length of the passage and facing outward from the passage, a clutch support including a second passage having a second opening along a length of the second passage and facing toward the opening, and a sleeve fitted over the first passage, enclosing said open length, and formed with a third passage that hydraulically connects the first passage and the second passage.
    Type: Application
    Filed: February 24, 2011
    Publication date: August 30, 2012
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: David A. Janson, Jeffrey E. Maurer, Keith A. Devereaux
  • TRANSFER SHAFT SUPPORT
    Publication number: 20120220417
    Abstract: A drive assembly for a vehicle includes a shaft supported on first and second components, a gear wheel for transmitting torque, and a bearing supporting the gear wheel on the shaft, transmitting axial force in a first axial direction between the gear wheel and the first component, and transmitting axial force in a second direction opposite the first direction between the gear wheel and the second component.
    Type: Application
    Filed: March 21, 2011
    Publication date: August 30, 2012
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventor: David A. Janson
  • CLUTCH PISTON SUPPORT
    Publication number: 20120220407
    Abstract: An assembly includes a clutch support formed with multiple cylinders, each cylinder connectable to a source of hydraulic pressure that actuates a clutch, and a planetary gearset including a ring gear driveably connected to the clutch support.
    Type: Application
    Filed: February 24, 2011
    Publication date: August 30, 2012
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: David A. Janson, Jeffrey E. Maurer, Laurence A. Deutsch
  • Front Support for Transmission Gear Box
    Publication number: 20120220405
    Abstract: A transmission includes a case containing a torque converter that includes a stator, a gearset including a carrier, a second gearset, friction elements for controlling operation of the second gearset, and a support secured against rotation, including passages that communicate hydraulic fluid and pressure to the control elements and torque converter.
    Type: Application
    Filed: May 31, 2011
    Publication date: August 30, 2012
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: David A. Janson, Jeffrey E. Maurer, Keith A. Devereaux
  • Mechanism for Controlling a Transmission Component
    Publication number: 20120220408
    Abstract: A transmission latching mechanism includes a component of a transmission gearset, a member secured to and able to rotate with the component, and a piston fixed against rotation and moveable alternately to latch the mechanism, thereby holding the member against rotation and to unlatch the mechanism, thereby releasing the member to rotate.
    Type: Application
    Filed: June 14, 2011
    Publication date: August 30, 2012
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: David A. Janson, Gregory D. Goleski
  • Carrying Fluid to Balance Dams in a Servo Piston Support
    Publication number: 20120217119
    Abstract: A hydraulic servo assembly includes a clutch support formed with first and second cylinders, spaced mutually and spaced from a longitudinal axis, first and second balance volumes, and a passage formed in the support for carrying fluid from a fluid source into the balance volumes.
    Type: Application
    Filed: February 24, 2011
    Publication date: August 30, 2012
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: David A. Janson, Jeffrey E. Maurer, Steven A. Frait