Patents by Inventor Bobby Owen Thurmond, JR.

Bobby Owen Thurmond, JR. 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).

  • Selector switch assembly for load tap changer
    Patent number: 8686302
    Abstract: A selector switch assembly for a load tap changer includes a bevel gear coupled with a motor drive shaft. A shaft assembly is coupled with the bevel gear and a switch is provided for each phase. Each switch includes a helical gear fixed to the shaft assembly, a Geneva pinion gear engaged with the helical gear, a first Geneva gear wheel mounted on a first shaft moved by a first follower of the pinion gear, a first contact arm associated with the first Geneva gear wheel to rotate therewith, a second Geneva gear wheel mounted on a second shaft and moved by a second follower of the pinion gear, and a second contact arm associated with the second Geneva gear wheel so as to rotate therewith. The contact arms include contacts that engage fixed contacts that define tap positions of the load tap changer.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: April 1, 2014
    Assignee: ABB Technology AG
    Inventors: Jon C. Brasher, David M. Geibel, William J. Teising, Robert A. Elick, Bobby Owen Thurmond, Jr.
  • Selector Switch Assembly For Load Tap Changer
    Publication number: 20120241300
    Abstract: A selector switch assembly for a load tap changer includes a bevel gear coupled with a motor drive shaft. A shaft assembly is coupled with the bevel gear and a switch is provided for each phase. Each switch includes a helical gear fixed to the shaft assembly, a Geneva pinion gear engaged with the helical gear, a first Geneva gear wheel mounted on a first shaft moved by a first follower of the pinion gear, a first contact arm associated with the first Geneva gear wheel to rotate therewith, a second Geneva gear wheel mounted on a second shaft and moved by a second follower of the pinion gear, and a second contact arm associated with the second Geneva gear wheel so as to rotate therewith. The contact arms include contacts that engage fixed contacts that define tap positions of the load tap changer.
    Type: Application
    Filed: March 13, 2012
    Publication date: September 27, 2012
    Applicant: ABB TECHNOLOGY AG
    Inventors: Jon C. Brasher, David M. Geibel, William J. Teising, Robert A. Elick, Bobby Owen Thurmond, JR.