Patents Assigned to Kraftwerk Union Aktiengesellschaft
  • Patent number: 4572284
    Abstract: Tube lane manipulator for the high-pressure blowdown of heat exchangers having tubes being spaced apart by a given pitch forming tube lanes therebetween with tubes on opposite sides and having closeable servicing openings formed therein providing access to the tube lanes, including a car being insertible into the tube lanes through the servicing openings and being movable therein by remote control, a spraying head being supported on the car and having nozzles with orifices for spraying jets of blowdown water in a given direction into spaces between the tubes, suction lines having suction stubs for pumping off accumulated blowdown water, and extendible and retractible clamping feet disposed on the car for clamping the car to the tubes on at least one side of a tube lane along a clamping plane in conformity with the given tube pitch, the nozzles being positioned in spraying positions of a spraying position sequence by the clamping feet clamping the car, the given spraying direction from the orifices of the nozz
    Type: Grant
    Filed: January 25, 1983
    Date of Patent: February 25, 1986
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Erich Katscher, Johannes Stoss, Robert Weber, Dieter Zoberlein, Jakob Weber, Josef Forster
  • Patent number: 4573160
    Abstract: An excitation circuit for a TE high-energy laser system, includes at least one high-speed, high-voltage switch, activatable for energizing a pulse-generating network to generate high-voltage pulses at a pair of laser electrodes; the pulse generating network having first and second strip-line capacitors associated with the high-voltage switch and the laser chamber and with appertaining equivalent inductances of the excitation circuit formed from self-inductance of the high-voltage switch, the laser chamber, leads of the system and the stripline capacitors has at least a third stripline capacitor included in the pulse-generating network in addition to the first and second stripline capacitors, a series connection of the high-voltage switch and one of the equivalent inductances being connected in parallel with the first stripline capacitor and with a series-parallel circuit formed of the second stripline capacitor and a parallel connection made up of the third stripline capacitor in parallel with an impedance as
    Type: Grant
    Filed: June 29, 1984
    Date of Patent: February 25, 1986
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Hans-Jurgen Cirkel, Willi Bette, Reinhard Muller
  • Patent number: 4571153
    Abstract: An axial-admission steam turbine, includes a steam inflow region, guide vane rings including a first guide vane ring, guide vanes of the first guide vane ring having radially inner ends, a shaft being rotatable in a given direction, an annular shaft shield being connected to the radially inner ends of the guide vanes of the first guide vane ring and being disposed in vicinity of the steam inflow region, the annular shaft shield surrounding the shaft at a distance defining a ring canal therebetween, the annular shaft shield having nozzles formed therein for discharging into the ring canal tangentially relative to the shaft as seen in the given direction of rotation of the shaft.
    Type: Grant
    Filed: March 15, 1983
    Date of Patent: February 18, 1986
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventor: Herbert Keller
  • Patent number: 4566204
    Abstract: Treating weak-to medium-active ion exchanger resins which are dried in a drying container by means of heat and in a vacuum, before they are transported into a storage container, the heat being introduced by heat conduction via the drying container into the ion exchanger resins. The heat is conducted via metallic heat transfer surfaces into the bulk of the resins leaving a core of at most 100 mm thickness. Steam from the moisture in the resin is conducted at the same time into a condenser via a discharge line, with an underpressure of 300 mbar or less.
    Type: Grant
    Filed: September 24, 1984
    Date of Patent: January 28, 1986
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Karl Friesner, Dietmar Bege, Dietmar Erbse, Siegfried Meininger
  • Patent number: 4566267
    Abstract: Power generating station with an integrated coal gasification plant, with an air separation plant, a coal gasifier and a heat exchanger and dust removal plant connected to the coal gasifier, as well as with a gas turbine and steam power generating part connected to the heat exchanger and dust removal plant part. An ammonia synthesis plant is connected to the coal gasification plant with the interposition of a gas purification plant and a gas decomposition plant. Part of the exhaust gas produced in the ammonia synthesis can be fed as so-called purge gas to the combustion chamber of the gas turbine together with the gases separated in the gas purification plant and in the gas separation plant, and part of the dust-free raw gas of the coal gasifier.
    Type: Grant
    Filed: May 25, 1984
    Date of Patent: January 28, 1986
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Rainer Muller, Ulrich Schiffers
  • Patent number: 4565008
    Abstract: A relative-distance pickup, includes a housing, a spring disposed in the housing, a feeler tip disposed in the housing and movable in longitudinal direction of the housing against the spring, an indicating device for registering relative motion of the feeler tip with respect to the housing, the feeler tip being subdivided transversely to the longitudinal direction of the housing forming first and second feeler tip parts, the second part having a stop, the first part being connected to the indicating device and the first part having a remote control drive for moving the first part against the stop.
    Type: Grant
    Filed: March 19, 1984
    Date of Patent: January 21, 1986
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventor: Hans-Adolf Stolben
  • Patent number: 4563328
    Abstract: A nuclear reactor fuel assembly with two support plates and a holding rod connecting the two support plates rigidly with mutual spacing, the holding rod having a longitudinal axis passing through both support plates, and being held at one end in a lead-through in one of the two support plates, includes, in the lead-through, an elongated holding body for the holding rod rotatable about the longitudinal axis thereof, and displaceable in direction of the longitudinal axis thereof coaxially with the lead-through; the holding body being rigidly connectible by a rotation relative to the holding rod about the longitudinal axis thereof to an end of the holding rod and tightenable against a holding shoulder in the one support plate and detachable from the holding rod; and a spring element braced against the support plate and pressing the holding body elastically against the holding shoulder.
    Type: Grant
    Filed: October 25, 1983
    Date of Patent: January 7, 1986
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventor: Alexander Steinke
  • Patent number: 4556981
    Abstract: Laser of the TE type, including a gas-tight housing defining a laser chamber having a gas space, at least two laser electrodes disposed parallel to the optical axis of the laser within the housing, the electrodes being disposed mutually opposite and at a given distance from each other, excitation of the laser being provided by an arc-free capacitor discharge being as homogeneous as possible in the gas space between the electrodes, a pre-ionization device disposed within the housing, current leads and a current return disposed in the housing, each of the electrodes being connected to one of the current leads and current return, a device disposed in the laser chamber for conducting laser gas therethrough, a pulse-forming network having a capacitor contact surface and being connected to the current leads and current returns, the laser electrodes being in the form of at least two subelectrodes facing toward the pulse-forming network and subelectrodes facing away from the pulse-forming network, an electrode bridge
    Type: Grant
    Filed: September 8, 1982
    Date of Patent: December 3, 1985
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Hans-Jurgen Cirkel, Willi Bette, Reinhard Muller
  • Patent number: 4546758
    Abstract: Solar-tower power plant, including a tower having a base and an upper end, an array of mirrors disposed around the base of the tower, a solar heater being disposed at the upper end of the tower and having a cavity formed therein defining a wall adjacent to the cavity, the cavity wall having a radiation input opening formed therein defining an edge of the cavity wall, the solar heater being heatable by radiation reflected and concentrated by the mirror array and received through the radiation input opening, a first coolant loop connected to the solar heater for utilizing radiation heat therefrom, a second coolant loop, a radiation heat exchanger having tubes and being connected to the second coolant loop, the radiation heat exchanger being disposed at the edge of the cavity wall and having a surface being disposed outside the cavity wall and facing the mirror array.
    Type: Grant
    Filed: November 5, 1984
    Date of Patent: October 15, 1985
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventor: Franck Ebernard
  • Patent number: 4543110
    Abstract: Reheating flue gas behind a wet flue gas desulfurization plant, in which the desulfurized flue gas is admixed with fresh air which had been warmed up first together with the fresh air intended for the combustion, in a heat exchanger by a third medium, then by the flue gas air preheater, by the flue gas flowing into the flue gas desulfurization plant without the temperature falling below the dew point temperature of the flue gas before it enters into the flue gas desulfurization plant.
    Type: Grant
    Filed: July 6, 1984
    Date of Patent: September 24, 1985
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Reiner Engelhardt, Eberhard Wittchow
  • Patent number: 4541841
    Abstract: Converting carbon-containing raw material, particularly coal, wood or crude oil, into a combustible product gas by a gasification reaction in the presence of a catalyst which is dissolved in the steam intended for the gasification reaction, forming a homogeneous gaseous solution. The ash-containing gasification residue is separated and the catalyst is extracted from the separated gasification residue by the steam intended for the gasification reaction at a temperature and a pressure, at which a homogeneous gaseous solution of the catalyst in steam is formed.
    Type: Grant
    Filed: June 15, 1983
    Date of Patent: September 17, 1985
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventor: Dieter Reinhardt
  • Patent number: 4532793
    Abstract: A method for deep-drawing sheet metal in a drawing apparatus having a drawing ring body, a pressure body, and a drawing plunger, which includes pushing a metal sheet having a deep-drawing region against the drawing ring body with the pressure body surrounding the deep-drawing region, pushing the drawing plunger against the deep drawing region, and heating the deep drawing region for deep-drawing, and an apparatus for carrying out the method.
    Type: Grant
    Filed: September 22, 1983
    Date of Patent: August 6, 1985
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventor: Helmut Bezold
  • Patent number: 4530212
    Abstract: A turbine condenser includes a steam dome of the condenser having a wall. At least one bypass steam inlet discharges into the steam dome. The bypass steam inlet includes a bypass valve for controlling the amount of bypass steam in the bypass steam inlet and at least two series-connected throttling devices disposed downstream of the bypass valve for decompressing the bypass steam. Each respective throttling device disposed relatively further downstream has a larger cross section than each throttling device disposed relatively further upstream. The throttling device disposed farthest downstream is in the form of an insert disposed in the steam dome conforming to the curvature of the steam dome wall. A device is provided for injecting water into the bypass steam inlet cooling the bypass steam.
    Type: Grant
    Filed: October 31, 1983
    Date of Patent: July 23, 1985
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Otto Von Schwerdtner, Hans Gossen, Jurgen Gunther, Hans Peters
  • Patent number: 4525968
    Abstract: All-metal heat insulation, including building blocks which can be joined together, the building blocks each including metallic foils being thermally movably supported and mutually spaced apart from each other forming insulating cells therebetween, spacer strips for maintaining the mutual spacing between the foils, and at least two housing plates at least partly surrounding the foils and spacer strips and being disposed at a given distance from each other, the spacer strips being adjacent to each other and being fastened to at least one of the housing plates, the spacer strips being mutually spaced apart from each other at a distance at least equal to the thickness of one foil forming receiving pockets for the foils at least at one of the plates, the foils being shorter than the given distance between the housing plates and being slideably fitted in the receiving pockets.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: July 2, 1985
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Wolfgang-Peter Fricker, Manfred Scholz
  • Patent number: 4524867
    Abstract: Case for accommodating written material for presentation includes a clear box formed of transparent plastic having walls and an interior, and receptacles for written material being disposed in the interior of the box allowing the written material to be read through the walls of the box, the receptacles being adapted to the format of the written material for preventing sliding of the written material.
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: June 25, 1985
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Hans-Jorg Klein, Herbert Bohmer
  • Patent number: 4523470
    Abstract: Probe for the nondestructive testing of cylindrical cavities, including a rotatable testing head, an outwardly cylindrical housing supporting the testing head, a motor disposed in the housing for driving the testing head, a shell body being surrounded by the housing and being in the form of a semi-cylindrical part with a relatively smaller diameter in vicinity of the motor, a tube sealing the shell body in vicinity of the motor, and means disposed on the shell body for securing the motor in a definite position.
    Type: Grant
    Filed: January 28, 1983
    Date of Patent: June 18, 1985
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Thomas Muller, Gunter Lehner, Georg Gugel
  • Patent number: 4521889
    Abstract: Sheetform conductor type capacitor for energy storage in combination with a high-energy laser of the TE type, the laser having an optical axis, a laser chamber with at least two laser electrodes having a gas space therebetween, the laser electrodes being spaced apart opposite each other and extended parallel to the optical axis, excitation taking place by an arc-free capacitor discharge in the gas space being as homogeneous as possible, and pre-ionization devices associated with the laser electrodes, a pulse forming network, connected to the laser electrodes, coatings of the sheetform conductor type capacitor connected to the laser electrodes, electrodes defining a fast-high-voltage contact-break distance, the contact-break electrodes being connected to the laser electrodes, dielectric layers disposed between the coating of the sheetform conductor type capacitor in a direction substantially normal to a given stacking direction thereto parallel to the optical axis of the laser, the at least two laser electrode
    Type: Grant
    Filed: July 9, 1982
    Date of Patent: June 4, 1985
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Hans-Jurgen Cirkel, Willi Bette, Reinhard Muller
  • Patent number: 4520673
    Abstract: Inspection device, including a probe having a thrust hose for moving the probe, the thrust hose having mutually equidistant holes formed therein along a generatrix line thereof, a feed device having drive wheels for engaging the thrust hose to move the probe, and plugs disposed on at least one of the drive wheels for insertion in the holes.
    Type: Grant
    Filed: January 28, 1983
    Date of Patent: June 4, 1985
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Thomas Muller, Rainer Bauer
  • Patent number: 4512785
    Abstract: An apparatus for drying steam in steam power generating stations, includes a plurality of cyclone separators having upper regions and lower ends, substantially tangential feed lines for a water-steam mixture leading to the upper regions of the cyclone separators, a water tank having an upper region and a lower end, respective discharge lines connected from the lower ends of the cyclone separators to the water tank, a water drain line connected to the lower end of the water tank, and equalizing lines respectively connected at an incline from the highest points of the upper regions of the water tank to a location of the upper regions of each of the cyclone separators above the feed lines.
    Type: Grant
    Filed: March 28, 1983
    Date of Patent: April 23, 1985
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Georg Losel, Egon Schneider
  • Patent number: 4512957
    Abstract: Separation of heavier uranium isotope compounds from lighter uranium isotope compounds in a gas jet having supersonic velocity after one isotope is converted selectively by laser radiation. The gas jet is subjected to an oblique compression shock to abruptly change direction causing the lighter isotope compounds to be deflected unrestrained by guiding walls with the heavier isotope compounds continuing on substantially in the original direction of the gas jet. The heavier isotope compounds are collected in a collecting vessel.
    Type: Grant
    Filed: October 21, 1981
    Date of Patent: April 23, 1985
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Hans-Joachim Niemann, Josef Sprehe