Patents by Inventor Fritz Kelp

Fritz Kelp 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: 4164256
    Abstract: Cooling tower having an outer peripheral wall provided with blowers spaced about the periphery thereof at a lower region thereof, the blowers being formed with annular inlet openings for cooling air, the cooling tower further including means defining closable openings disposed between the annular inlet openings.
    Type: Grant
    Filed: August 12, 1977
    Date of Patent: August 14, 1979
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventor: Fritz Kelp
  • Patent number: 4148281
    Abstract: Steam generator for pressurized-water nuclear reactors having a steam jacket wherein a multiplicity of rectilinear tubes traversed by primary water is secured between two horizontally disposed tube support plates, and at least one connecting tube for supplying the primary water is secured to the steam jacket through a compensator for length equalization, includes a water chamber respectively disposed within the steam jacket and adjoining each of the tube support plates, and a guide jacket for circulating feed-water supplied into the steam jacket, the guide jacket being mounted within the steam jacket and having a lower portion extending into a space located between the steam jacket and the lower tube support plate.
    Type: Grant
    Filed: March 17, 1977
    Date of Patent: April 10, 1979
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Alfred Stoll, Fritz Kelp
  • Patent number: 4060124
    Abstract: Feedwater preheater for heating feedwater in the form of steam turbine condensate by means of condensing extraction steam from a turbine, includes a casing, a fixed tube plate and a movable tube plate disposed opposite one another in the casing, feedwater inlet and outlet chambers located adjacent the fixed tube plate, a feedwater reversing chamber disposed in the casing and partly defined by the movable tube plate, a first group of feedwater conducting tubes connected at one end thereof through the fixed tube plate to the feedwater inlet chamber and at the other end through the movable tube plate to the reversing chamber, a second group of tubes connected at one end thereof through the movable tube plate to the reversing chamber and at the other end thereof through the fixed tube plate to the feedwater outlet chamber, a steam vessel disposed in the casing and surrounding the second group of tubes, the first group of tubes, on the one hand, and the second group of tubes, on the other hand, being mutually spac
    Type: Grant
    Filed: December 8, 1975
    Date of Patent: November 29, 1977
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Herbert Tratz, Fritz Kelp, Erich Netsch
  • Patent number: 4057103
    Abstract: Feedwater preheater installable horizontally within a turbine exhaust steam housing for heating feedwater by means of condensing bleeder steam from the turbine, includes inlet and outlet chambers for the feedwater both located at one side of the preheater, an outer steam chamber adjacent the inlet and outlet chambers, an inner steam chamber disposed within the outer steam chamber, means for supplying the bleeder steam at different pressures to the respective steam chambers, a water chamber closed in itself partially defining the inner steam chamber, a plurality of feedwater conducting tubes communicating with the feedwater inlet chamber and disposed in the outer steam chamber, the tubes having a substantially 180.degree.
    Type: Grant
    Filed: December 8, 1975
    Date of Patent: November 8, 1977
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Herbert Tratz, Fritz Kelp, Erich Netsch
  • Patent number: 4036021
    Abstract: A power plant, especially a nuclear power plant, is positioned within the interior of a double walled dry cooling tower, the cooling tower having its own foundation and encompassing the power plant site. The inner and outer walls of the cooling tower are adapted to form a relatively small ring zone as compared to the basis area of the power plant, said ring zone having a cooling air entrance at the lower end of the outer wall and an exit at its upper end. Within the ring zone, at its lower end, there are arranged cooling elements of heat exchangers, being exposed to the upwardly flowing cooling air stream. Through this arrangement the break in of cool winds or cool air, otherwise flowing reversely to the cooling air stream, from the exterior via the exit, is prevented.
    Type: Grant
    Filed: April 9, 1975
    Date of Patent: July 19, 1977
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventor: Fritz Kelp