Patents Represented by Attorney Ralf H. Siegemund
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Patent number: 5005979Abstract: An apparatus for determining the position of an object comprises a light source positioned in relation to the object so that at least one collimated beam is issued from a particular positon on the object and bearing a fixed and definite geometric relationship to the sought position; a fluorescent foil or plate is positioned in relation to such object such that a particular spot is stimulated by that collimated beam which then provides the fluorescence; a plurality of fiber optics are arranged such that one end of each fiber optics is placed on a particular geometric pattern to receive radiation from the stimulated spot while the respective other end of each fiber optics is arranged in a similar but smaller scale geometric pattern as the first ends are and in relation to a detector that provides an electrical signal representing the position of the object.Type: GrantFiled: July 31, 1989Date of Patent: April 9, 1991Assignee: Dornier GmbHInventors: Heinz Sontag, Hartmut Elias, Wolfgang Ludwig, Walter Fritzsch, Wolfgang Eschner, Rainer Hundhausen, Harald Kratz
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Patent number: 5002804Abstract: A method of coating a surface expected to come in contact with liquid metal particularly steel under utilization of combusting gases and producing a soot layer possibly under reducing conditions is improved by a post deposit treatment including a flame which may oxidize but does not reduce the soot layer for reducing the size of the particles to thereby compact, strengthen and increase adhesion of the layer.Type: GrantFiled: July 11, 1989Date of Patent: March 26, 1991Assignee: Mannesmann AGInventors: Achim Kubon, Werner Kapellner, Ewald Schmitt
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Patent number: 5003175Abstract: The photometer is calibrated by using a permanently built-in installation of four, similarly configured chambers in a good heat conducting carrier which is slidably interposed between sample and reference chambers on one hand and the detection structure on the other hand. One pair of these chambers is placed in the paths during measurement and is filled with inert gas, the other pair has one chamber filled with calibration gas, the other one with inert gas. All chambers are closed with similar windows.Type: GrantFiled: June 1, 1989Date of Patent: March 26, 1991Assignee: Hartmann & Braun AGInventors: Walter Fabinski, Georg Taubitz, Joachim H. von Wolfframsdorff
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Patent number: 5000250Abstract: In a casting device for the continuous production of metal strip using an endless cooling and transport belt; a distributor is constructed as twin chamber with an entrance and charge chamber, and an exit and discharge chamber communicating with the entrance chamber, a nozzle is provided at the exit and discharge chamber, the distributor, at least in the range of the discharge chamber, is gas tightly closed and is mounted in an inclination-adjustable frame; a gas pressure controllable source is connected to the discharge chamber and controlled in response to thickness variations of the strip; a distance measuring device (ram pressure) is arranged at the casting nozzle for measuring the distance of the casting nozzle from the casting belt; a controller responds to the measuring output of the distance measuring device and provides for controlling the elevational and vertical disposition of the distributor within said frame; another controller varies elevation of the upper belt stringer, also in response to thickType: GrantFiled: March 24, 1989Date of Patent: March 19, 1991Assignee: Mannesmann AGInventor: Ewald Feuerstacke
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Patent number: 4998528Abstract: The production of shock-waves is triggered by using the cushion that couples acoustically and, incidentally physically, a shock-wave generator to the body of a living being; any pressure variations in the cushion are detected at a particular phase and used for triggering the generation of shock-waves. The pressure level in the cushion is kept constant, on a long term-basis, and at a level about which breath-induced pressure variations occur.Type: GrantFiled: June 21, 1988Date of Patent: March 12, 1991Assignee: Dornier Medizintechnik GmbHInventor: Wolfgang Erhardt
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Patent number: 4999013Abstract: Interferometric equipment for detecting a substance having a structure preferably a periodic or quasiperiodic absorption spectrum; the equipment includes a source of radiation, a path for that radiation that includes a sample cell with the substance to be detected, an interference filter and a detector, and is improved in that the interference filter is constructed as an electrically tunable filter, including a plate or cell element with semitransparent reflective boundaries serving as electrodes; an electrical voltage is applied to said electrodes such that the transmission characteristics of the filter is varied and the amplitude of the voltage as applied to these electrodes is an indication of that variation; and the thickness of the plate or cell is selected to meet one of the following criteria (i) a distance between the interference lines produced equals a distance of absorption lines within a periodic absorption spectrum of said substance; (ii) the equipment causes a line to be separated from the radiaType: GrantFiled: April 14, 1989Date of Patent: March 12, 1991Assignee: Hartmann & Braun AGInventors: Michael Zoechbauer, Walter Fabinski
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Patent number: 4987432Abstract: An apparatus for acquiring the dimensions of an object by means of photography, particularly the topography of a human body, includes a still or video camera positioned to take pictures of the person is improved by a projector having a different orientation and projecting a line raster in a diverging beam; and a mirror intercepts the projection beam and provides a parallel beam wherein the horizontal line rasters as projected remain equidistant with no diverging direction; the mirror is preferably made of multiple strips but could be just a concave reflection.Type: GrantFiled: September 15, 1989Date of Patent: January 22, 1991Inventor: Ulrich M. Landwehr
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Patent number: 4987425Abstract: Carrying structure of an active antenna in the aerospace industry uses basically fiber reinforced synthetic material in which heat conductive elements and/or elements conducting electromagnetic waves (electro, optic) are integrated into that support structure for the antenna.Type: GrantFiled: November 14, 1988Date of Patent: January 22, 1991Assignee: Dornier System GmbHInventors: Rudolf Zahn, Hans W. Schroeder, Christian Borgwardt, Albert Braig, Gunter Helwig, Kay Dittrich
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Patent number: 4984441Abstract: An electrically controlled bolt lock with a control plate which is positively connected to a bolt element there also being a tumbler or the lock is improved by a first pin extending from the control plate for engagement with the tumbler; a second pin is also mounted on the control plate; a spring biased armature lever is pivotably mounted to the tumbler and is operated by the second pin engaging an armature is pivoted on the armature lever cooperating with a stationary electromagnet and the second pin pivoting said armature lever whenever said electromagnet holds the armature on energization of the electromagnet to thereby place said tumbler into a release position.Type: GrantFiled: July 31, 1989Date of Patent: January 15, 1991Assignee: Mauer GmbHInventor: Guenter Mauer
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Patent number: 4984917Abstract: The impact and associated noise of matrix printers is attenuated by a laminated platen bar construction comprising a (steel) platen proper, a bonding adhesive layer, a brass bar and a resilient decoupling layer on the platen carrier.Type: GrantFiled: October 31, 1986Date of Patent: January 15, 1991Assignee: Mannesmann AGInventors: Wolfgang Hauslaib, Guenter Gomoll
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Patent number: 4981511Abstract: A compound or composite powder which includes metallic or ceramic whiskers embedded in a metallic or ceramic matrix as host material, the whiskers have a length between 5.times.10.sup.-6 m and 2.times.10.sup.-4 m and diameters between 2.times.10.sup.-7 m and 1.times.10.sup.-5 m, and are embedded in the matrix with a volume proportion of whisker content between 1 to 50% (by volume), the reference being to a pore-free compacted compound/composite material; the whiskers being made of SiC, Si.sub.-3 N.sub.-4, Al.sub.-2 O.sub.-3 or ZrO.sub.-2 and are embedded in a ceramic matrix being Al.sub.-2 O.sub.-3, Al.sub.-2 O.sub.-3 +from 5 to 40% ZrO.sub.-2 +from 0 to 5% Y.sub.-2 O.sub.-3 or ZrO.sub.-2 with 3 to 15% Y.sub.-2 O.sub.-3 or Si-nitride or Si-carbide. Alternatively the whiskers are made of Si.sub.-3 N.sub.-4, Al.sub.-2 O.sub.-3, ZrO.sub.-2 or W and the matrix is made of W, Mo, Fe, Ni, Co, Cu or an alloy thereof.Type: GrantFiled: May 16, 1988Date of Patent: January 1, 1991Assignee: Dornier System GmbHInventors: Rainer Schmidberger, Tilman Haug, Reinhard Marquardt, Juergen Bocan
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Patent number: 4979682Abstract: Synthetic and metal are reclaimed from a synthetic-metal scrap combination by first comminuting the scrap particles in which metal and synthetic are not yet separated; grinding and pulverizing these particles to obtain a fluidized blend of synthetic fibers and metal spheres; and providing an air flow carrying the fibers and balls in a blend so as to obtain subsequent separation from each other.Type: GrantFiled: February 24, 1989Date of Patent: December 25, 1990Assignee: Kabelmetal Electro GmbHInventor: Martin Voelker
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Patent number: 4976306Abstract: A method for continuous casting metal products under utilization of a mold and pouring molten metal into the mold to obtain a flat stock with a thickness below 100 mm, includes withdrawing the partially solidified casting by at least one roll pair which reduce the thickness of the stock upstream from complete solidification by at least 10% but not more than 70% while further reduction in thickness by at least 30% obtains downstream from complete solidification is improved by requiring that the product being cast has a thickness not below 50 mm; that exclusively internally cooled rollers are used for obtaining the reduction; and that the thickness is reduced downstream from the complete solidification at a point where the temperature is only little below the solidus temperature particularly in the case of steel being a temperature between 1500 and 1200 degrees C.Type: GrantFiled: May 9, 1989Date of Patent: December 11, 1990Assignee: Mannesmann AGInventors: Fritz-Peter Pleschiutschnigg, Lothar Parschat, Armin Burau, Werner Rahmfeld, Gerd Moellers, Hans-Juergen Ehrenberg, Hans G. Eberhardt
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Patent number: 4974434Abstract: A device for bending or levelling workpieces by means of shot peening is improved by controlled impacting and indenting using a support element having a rear wall and side walls; a plurality of force spaced apart distributing elements are arranged in the support element and in the least one layer so that at least some of them abut the rear wall of the support element; a plurality of indenting, shot peening elements in engagement with at least some of the force distributing elements in that any of the shot peening elements engage at least two of the force distributing elements; there are elements of one of the plurality which abut the side walls of the support element.Type: GrantFiled: July 12, 1989Date of Patent: December 4, 1990Assignee: Dornier GmbHInventors: Helmut Reccius, Rolf Meyer
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Patent number: 4970909Abstract: A device for attenuating sound in and of wheels, the wheel having a rim portion, a hub, and a web in between, there being a radially inwardly oriented flange surface, is improved by an attenuating layer on or in a groove of the flange surface, possibly with an extension against the web, and a cover, radially outwardly, and axially urging the attenuating layer upon the flange and the web.Type: GrantFiled: May 25, 1989Date of Patent: November 20, 1990Inventor: Helmut Pelzer
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Patent number: 4964524Abstract: A pressure vessel for the storage of hydrogen in form of metal hydride is constructed to have an inner tube being relatively thin and made of material copper or aluminum having high thermal conductivity, but the strength of the inner vessel tube is insufficient by and in itself to take up operating pressure in the interior when hydrogen is either fed into the interior of the tube or developed therein; an outer cylindrical tubular vessel jacket is made of stainless steel and abuts against radially outwardly extending ribs of the inner vessel establishing flow channels the rib means are dimensioned not to undergo plastic deformation during operation at the gas storage facility; axial end cap means closes the vessels on both ends; sealed gas nipples means in one or both caps feeds gas into and/or out of the interior of the inner vessel tube.Type: GrantFiled: December 5, 1988Date of Patent: October 23, 1990Assignee: Gesellschaft fuer Hybrid und Wasserstofftechnik mbHInventor: Clemens Halene
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Patent number: 4958723Abstract: A roller track is arranged in sections in that individual groups of carrier rollers can be selectively drivingly connected to and disconnected to and from a drive belt for section stop-and-go operations permitting a buffer location for each section, there being vertically displaceable belt rollers for engaging the belt to obtain driving connection to and disconnection from carrier rollers. The track includes a plurality of control rollers, control bars and control cams. The belt rollers are eccentrically mounted in the control rollers such that depending upon the angular position of the control rollers the respective belt rollers are lifted or lowered for engagement with or disengagement with the belt.Type: GrantFiled: February 22, 1989Date of Patent: September 25, 1990Assignee: Mannesmann AGInventors: Edgar Bonifer, Walter Duttine, Hartwig Reckemeier
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Patent number: 4958780Abstract: In combination with a spool upon which elongated stock such as ribbon, wire, thread etc. is to be wound and from which the elongated stock is to be unwound; an electromagnet with cooperating armature and a yoke; the device is to be selectively used as a brake and as a clutch. This is accomplished by a permanent air gap from 0.1 to 1.5 mm between the yoke and the armature to remain effective in the energized state. On application of a relatively high voltage to the electromagnet positive coupling obtains between the electromagnet and the armature and, therefore between a shaft connected to the electromagnet and the armature as thereafter being connected to the spool; for positive common rotation of these parts. Upon application of a lower voltage to the electromagnet, a brake force becomes effective between the electromagnet on one hand, plus armature and the spool subassembly on the other hand.Type: GrantFiled: April 10, 1989Date of Patent: September 25, 1990Assignee: Kabelmetal Electro GmbHInventors: Rainer Bruenn, Rolf Heisterhagen, Wolfram Klebl, Harry Staschewski
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Patent number: 4957796Abstract: Foot cover for placement on the floor space of motor vehicles includes a polyurethane form part being provided with a sealing lip extending from edges and edge portions of the form part and is integral therewith; a reinforcing insert extends into and is embedded by the sealing lip.Type: GrantFiled: December 20, 1988Date of Patent: September 18, 1990Inventor: Helmut Pelzer
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Patent number: D311288Type: GrantFiled: May 11, 1987Date of Patent: October 16, 1990Inventor: Kil J. Lee