Patents by Inventor David M. Spampinato

David M. Spampinato 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).

  • Apparatus and method for braking electric motors
    Patent number: 6037729
    Abstract: A braking circuit for braking an electric motor having an armature and run and brake windings, which includes a switching circuit disposed between a source of electrical power and the run winding, this circuit being operable to disconnect the run winding from the source of electrical power. The braking circuit further includes a switching mechanism operable to connect the brake winding in order to brake the electric motor. The switching mechanism preferably connects the brake winding after a predetermined period of time has elapsed from the disconnection of the run winding. This braking circuit can be used in a saw for braking the saw's blade.
    Type: Grant
    Filed: January 28, 1998
    Date of Patent: March 14, 2000
    Assignee: Black & Decker Inc.
    Inventors: Samuel G. Woods, David M. Spampinato, Paul S. White