Patents by Inventor Kiplin C. Alexander

Kiplin C. Alexander 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).

  • Patent number: 6058858
    Abstract: A circulating fluidized bed (CFB) reactor or combustor having an internal impact type primary particle separator which provides for internal return of all primary collected solids to a bottom portion of the reactor or combustor for subsequent recirculation without external and internal recycle conduits. The CFB reactor enclosure or furnace is provided with plural furnace outlets. This construction permits increased furnace depths and reduced furnace widths, resulting in a compact design.
    Type: Grant
    Filed: May 29, 1998
    Date of Patent: May 9, 2000
    Assignee: The Babcock & Wilcox Company
    Inventors: Felix Belin, David E. James, David J. Walker, Kiplin C. Alexander
  • Patent number: 5363812
    Abstract: Bed temperature in a circulating fluidized bed (CFB) reactor is controlled by varying a recirculation rate of particles collected by a secondary particle separator back to the CFB reactor. Particle storage means, sized to contain sufficient inventory required for bed inventory/temperature control due to fuel/sorbent variations and/or load changes, stores particles collected by the secondary particle separator. The storage means can be either directly below the secondary particle separator or at a remote location. Particles collected by the secondary particle separator rather than by the primary particle separator are preferred due to their smaller size and lower temperature. A bed temperature control system controls the recirculation rate of these particles back to the reactor. Level sensing devices are provided on the storage means. A solids storage level control system that interacts with the bed temperature control system controls the solids inventory in the storage means via a purge system.
    Type: Grant
    Filed: February 18, 1994
    Date of Patent: November 15, 1994
    Assignee: The Babcock & Wilcox Company
    Inventors: Felix Belin, Kiplin C. Alexander, David E. James
  • Patent number: 5343830
    Abstract: A CFB reactor or combustor having an internal impact type primary particle separator provides cavity means and particle return means in an upper portion of the reactor enclosure to obtain direct and internal return of all primary collected solids to a bottom portion of the reactor or combustor for subsequent recirculation without external and internal recycle conduits.
    Type: Grant
    Filed: March 25, 1993
    Date of Patent: September 6, 1994
    Assignee: The Babcock & Wilcox Company
    Inventors: Kiplin C. Alexander, Felix Belin, David E. James, David J. Walker