Abstract: A gas-cooled, high-temperature nuclear reactor includes a metallic core barrel, a graphite or carbon block lining disposed in the core barrel, a hot gas line including an outer pressure-confining metallic pipe and a ceramic flow guidance pipe, insulation separating the metallic pipe from the ceramic pipe, a stub concentric with the hot gas line, a device for detachably connecting the stub to the core barrel, the metallic pipe being tightly disposed in the stub, a device for detachably fastening the metallic pipe to the stub, a sleeve, a device for detachably fastening the sleeve to the lining, a bellows compensator being disposed in the stub and having one end tightly fastened to the stub and another end, and a device for connecting the other end to the sleeve.

Abstract: A catalyst carrier body and a method for producing the same, includes layers of textured curved metal sheets through which a fluid can flow, a jacket in which the curved metal sheets are disposed, and at least one supporting wall disposed in and firmly joined to the jacket forming a supporting structure for the body, the curved metal sheets being individually secured to the supporting walls for absorbing radial expansions of the supporting structure through changes in the curvature of the sheets.

Abstract: Valve drive for a combustion engine with an hydraulic transmission system between a control member and a valve includes a device for stepping up the hydraulic transmission.

Abstract: A mounting assembly for an exhaust gas catalyst and a method for manufacturing the same includes a metallic exhaust gas catalyst carrier body formed of a multiplicity of layers, at least one first brazed joint interconnecting the layers, a metallic tubular jacket in which the catalyst carrier body is disposed, and one second brazed joint fastening the catalyst carrier body to the tubular jacket while permitting lengthwise expansion of the catalyst carrier body relative to the tubular jacket.

Abstract: Valve drive for a combustion engine with an hydraulic transmission system between a control member and a valve includes a device for stepping up the hydraulic transmission.

Abstract: An apparatus for measuring and indicating mass throughput of a fluid moved in a channel by a processing machine includes first to fourth measurement value pickups, first to third divider stages, first to fourth resistances, first to fifth multiplier stages, an adder for forming a difference ##EQU1## between an output signal of the first divider stage which is weighted with the first resistance, a memory of characteristics of the processing machine which has stored therein an appertaining volume number as a function of a magnitude of an output of the second divider stage and of the fourth measurement value pickup, and a measurement value indicator for indicating an output of the third divider stage weighted by the fourth resistance which is the mass throughput ##EQU2##

Abstract: A method for selectively applying brazing to a catalyst carrier body includes alternately winding smooth and wavy layers of sheet metal into a catalyst carrier body having outer surfaces, dividing at least one of the outer surfaces into regions to be brazed covering a portion of the at least one outer surface as seen in circumferential and radial directions, and applying brazing to the regions and a catalyst carrier assembly for carrying out the method.

Abstract: Electromagnetic screw channel pump having a helical delivery channel, including polyphase coils for generating a magnetic field travelling in circumferential direction of the delivery channel and a magnetic flux return structure, the polyphase coils being arranged in a cylindrical inner portion, and the magnetic flux return structure being arranged outside of the helical delivery channel.

Abstract: Metallic exhaust gas catalyst carrier body, includes high temperature-resistant steel sheets forming a multiplicity of cells permeable to exhaust gas in a given exhaust gas direction, the steel sheets having slits formed therein substantially transverse to the given exhaust gas direction, the slits, in unused state of the carrier body, being of such quantity and size that for every cross section of each of the steel sheets in the given exhaust gas direction substantially between 5% and 30% of the cross section is devoid of steel due to the presence of the slits.

Abstract: Method of fastening drive elements on a hollow shaft, which comprises:pushing n drive elements with a thickness a over a hollow shaft, retaining the drive elements at mutual spacings b and in respective desired azimuthal positions by means of holding devices;providing active sections of a material with a given limit of elasticity, a length c, mutual spacings d and being bounded by sealing lips on a hydraulic expanding device so that n(a+b)=n(c+d), pushing the hydraulic expanding device into the hollow shaft; andapplying a pressure through the hollow shaft to the active sections stressing the material of the active sections radially beyond the given limit of elasticity.

Abstract: Hot gas container, including a pressure-proof metallic outer shell having an inner surface, thermal insulation covering the inner surface in the form of ceramic bodies each having a given surface, the bodies partially axially overlapping each other over at least the larger part of the given surface thereof, and anchors fastening the bodies to the outer shell, the anchors being welded to the outer shell, engaged in recesses formed in the bodies and covered by the outer shell and the bodies.

Abstract: A gas-static bearing including a bearing shell formed of porous material compacted at bearing surfaces thereof for supporting a shaft, the bearing surfaces being distributed over a first group of surfaces consisting of at least two cylindrical jacket surfaces disposed concentrically to one another and about a longitudinal axis of the bearing shells and a second group of surfaces consisting of a plurality of circular surfaces disposed in succession along the axis.

Abstract: A method of producing a metallic exhaust gas catalyst carrier body includes winding alternating layers of smooth and corrugated sheetmetal strips to form a blank and inserting the blank into a jacket tube, each winding of the blank being formed of a respective smooth and corrugated sheetmetal strip each having an individually predeterminable length; determining the length of each winding in accordance with the length necessary for filling a predetermined jacket tube cross section, fixing each winding beforehand to at least one side of the blank, so as to produce an approximately egg-shaped blank which is tightly wound on the one side and wound with varying looseness in the remaining region thereof; inserting the blank into the jacket tube in such a manner that the tightly wound side is located in a region of the jacket tube cross section in which a largest possible inscribed circle of the jacket tube cross section engages the jacket tube, and a device for carrying out the method, a carrier body formed by the

Abstract: A gas bearing and shaft assembly includes complementary sets of guiding surfaces formed on the gas bearing and the shaft being mutually spaced apart defining bearing gaps therebetween, at least one guiding surface of each of the sets being a porous gas passage surface, a thin-porous layer adjoining the gas passage surface, a component having a given region disposed upstream of the gas passage surface in flow direction of gas fed under pressure through the component to the gas passage surface and the component having other porous gas-permeable regions, the gas passage surface and the thin porous layer together being denser than the other gas-permeable regions of the component producing a pressure drop at the thin porous layer being substantially greater than at the other gas-permeable regions, and gas outlet paths in communication with the bearing gaps within the bearing.

Abstract: A metallic catalyst body includes a casing, and a metallic honeycomb structure having layers disposed within the casing, the metallic honeycomb structure having at least one other layer disposed outside the casing as thermal radiation protection.

Abstract: Static pressure-type gas bearing for a high-speed rotary shaft, comprising a porous bearing bushing formed of a pair of hollow cone frustums connected to one another at respective narrow ends thereof.

Abstract: Container system for a high-temperature nuclear reactor, including an outer metallic pressure vessel having an inwardly-protruding flange, an inner metallic core barrel resting tightly on the flange, and means disposed below the flange at a lower end of the core barrel for feeding and discharging cooling fluid, the core barrel being gas-tight above the flange.

Abstract: A device for measuring elongation of a structure includes mounts formed at least partially of electrically insulating ceramic material, the mounts having at least two points to be attached to a structure for shifting the mounts relative to each other upon elongation of the structure, and electrically conducting parts disposed on the mounts having electrical properties being influenced by the shifting of the mounts, at least a portion of each of the electrically conducting parts being subjected to mechanical stresses, and at least the portions of the electrically conducting parts being formed of electrically conductive ceramic material.

Abstract: A method for monitoring structures by measuring electrical quantities including subjecting an electrically conducting component to an a-c current with a predetermined frequency in a given direction generating a magnetic flux in a given direction, tapping a voltage drop across two measurement points mutually spaced apart by a given distance at individual partial regions of the component with two measuring lines contacting the component, forming a first conductor loop from the measuring lines and the component with an inductively effective area being as small as possible, forming a second conductor loop being substantially parallel to the given direction of the current and perpendicular to the given direction of the magnetic flux, tapping an induction voltage from the change of the magnetic flux as close as possible to the measuring points with the second conductor loop, feeding the voltage drop and the induction voltage to an electronic evaluation circuit, and deriving the local resistance of the component at

Abstract: A method of producing a drive shaft with drive elements on a cylindrical basic part includes forming a desired contour for a drive element on pairs of discs, forming holes in the discs of each pair having axes being inclined relative to the surfaces of the discs and having inclinations being opposite to and mirror images of each other, pushing the discs onto a cylindrical basic part with the disc of each pair being congruent to each other, and pressing the discs of each pair together until they are substantially perpendicular to the longitudinal axis of the basic part.