Patents by Inventor David Auty

David Auty 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).

  • Power assisted steering arrangements and devices for use therein
    Patent number: 4407384
    Abstract: The invention provides a control valve for an air operated power assisted steering mechanism for a vehicle. The valve has a spiral scroll and nut connection. One of these elements is connected to the steering wheel and is rotated thereby as the steering wheel is turned in a steering motion and the resulting linear motion of one of the elements is transferred into relative movement of a ported sleeve and two valve spools respectively for controlling the two directions of power assistance of the steering of the vehicle. The valve preferably is located in a hub of the steering wheel, in the steering column, or drivingly connected to the steering column by means of a transmission.
    Type: Grant
    Filed: June 16, 1980
    Date of Patent: October 4, 1983
    Assignee: Autosteer Developments Limited
    Inventor: David Auty