Patents by Inventor Brook A. Lindbert

Brook A. Lindbert 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).

  • Control system for split axle drive mechanism
    Patent number: 4407387
    Abstract: A part-time four-wheel drive vehicle has a transfer case and a split axle drive mechanism for the selectively driving two vehicle wheels. The split axle drive mechanism has a clutch associated with one of the differential side gears for preventing back drive to the transfer case in the two-wheel drive mode. A control system for operating the clutch responsive to the operational mode of the transfer case comprises a vacuum motor and a solenoid operated two-way valve energized by way of a switch in the transfer case. The control system also includes a pneumatic time delay and a vacuum check valve.
    Type: Grant
    Filed: May 29, 1981
    Date of Patent: October 4, 1983
    Assignee: General Motors Corporation
    Inventor: Brook A. Lindbert
  • Control system for split axle drive mechanism
    Patent number: RE31981
    Abstract: A part-time four-wheel drive vehicle has a transfer case and a split axle drive mechanism for the selectively driving two vehicle wheels. The slit axle drive mechanism has a clutch associated with one of the differential side gears for preventing back drive to the transfer case in the two-wheel drive mode. A control system for operating the clutch responsive to the operational mode of the transfer case comprises a vacuum motor and a solenoid operated two-way valve energized by way of a switch in the transfer case. The control system also includes a pneumatic time delay and a vacuum check valve.
    Type: Grant
    Filed: April 16, 1984
    Date of Patent: September 10, 1985
    Assignee: General Motors Corporation
    Inventor: Brook A. Lindbert