Patents by Inventor Rudolf Braun
Rudolf Braun 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).
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Publication number: 20230324207Abstract: An ultrasonic measuring device for measuring properties of a medium located in a measuring tube includes a measuring tube wall and a measuring tube lumen. The measuring tube wall has at least one acoustic region designed to be excited into Lamb oscillations. A pair of ultrasonic transducers are located in a coupling region and are designed to excite Lamb oscillations or to detect Lamb oscillations in the respective coupling regions. The device also includes an electronic measuring/operating circuit. A supporting device is designed to support at least parts of the acoustic region against media pressure, and at least one supporting member is designed to absorb forces generated by media pressure. The supporting member has at least one decoupling device which is designed to reduce ultrasonic input from at least one associated acoustic region into the supporting member, and vice versa.Type: ApplicationFiled: July 16, 2021Publication date: October 12, 2023Inventors: Oliver Berberig, Andreas Berger, Manuel Martini, Achim Stark, Rudolf Braun, Jens Rautenberg
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Publication number: 20220091072Abstract: An ultrasound instrument for detecting a measured value of a medium includes a measurement chamber having a chamber wall and a longitudinal axis; a pair of ultrasound transducers configured to transmit ultrasound signals along a signal path between ultrasound transducers of the pair through the measurement chamber and to receive ultrasound signals, wherein the signal path includes a signal reflection on a reflection surface, wherein the chamber wall in a region of the reflection surface opposite a first chamber side is configured to prevent a reflection of an ultrasound signal on a chamber outer surface of the chamber wall in the direction of the signal path, wherein the chamber wall has, in the region of the reflection surface, a maximum wall thickness which is at least a factor of 1.5 greater than a Rayleigh wavelength, associated with a central frequency, of the ultrasound signal in the chamber wall.Type: ApplicationFiled: December 10, 2019Publication date: March 24, 2022Inventors: Oliver Berberig, Jens Rautenberg, Beat Kissling, Sascha Grunwald, Rudolf Braun, Achim Stark, Klaus Beringer, Stefan Rüger, Theo Gerald Hofmann
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Patent number: 10661511Abstract: Provided are methods of forming composite structure over non-planar base structures and composite tools extending over cavities of the base structures. A tool may be formed from a composite layup cured on a flat mold. While applying the tool to the base structure, the tool may be bent around or about a bend axis. The bend axis may be parallel to continuous fibers within the tool. These fibers may span the full dimension of tool in the direction of the fibers. The continuous fibers extend across the cavity and provide stiffness to the tool in one direction even after bending of the tool. As such, the tool may withstand substantial forces in the direction perpendicular to its surface without collapsing into the cavity. In some embodiments, a composite structure may cured over the tool without impacting the size of the cavity on the other side of the tool.Type: GrantFiled: September 24, 2015Date of Patent: May 26, 2020Assignee: The Boeing CompanyInventors: Rudolf Braun, Benoit Ferre
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Patent number: 10605779Abstract: A method for determining physical and/or chemical properties of a medium on the basis of at least one first and one second acoustic wave, which each have at least partly propagated through the medium from at least one transmitter to at least one receiver, is provided. From receive signals generated at least two receivers a runtime difference of the acoustic waves and/or an absolute runtime of an acoustic wave is determined and by means of a determined runtime difference and/or a determined absolute runtime physical and/or chemical properties of the medium are determined, such as for example a mean flow velocity.Type: GrantFiled: February 12, 2016Date of Patent: March 31, 2020Assignee: SENSACTION AGInventors: Jens Rautenberg, Rudolf Braun, Achim Stark, Stefan Rueger
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Publication number: 20170087778Abstract: Provided are methods of forming composite structure over non-planar base structures and composite tools extending over cavities of the base structures. A tool may be formed from a composite layup cured on a flat mold. While applying the tool to the base structure, the tool may be bent around or about a bend axis. The bend axis may be parallel to continuous fibers within the tool. These fibers may span the full dimension of tool in the direction of the fibers. The continuous fibers extend across the cavity and provide stiffness to the tool in one direction even after bending of the tool. As such, the tool may withstand substantial forces in the direction perpendicular to its surface without collapsing into the cavity. In some embodiments, a composite structure may cured over the tool without impacting the size of the cavity on the other side of the tool.Type: ApplicationFiled: September 24, 2015Publication date: March 30, 2017Applicant: The Boeing CompanyInventors: Rudolf Braun, Benoit Ferre
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Publication number: 20160238570Abstract: A method for determining physical and/or chemical properties of a medium on the basis of at least one first and one second acoustic wave, which each have at least partly propagated through the medium from at least one transmitter to at least one receiver, is provided. From receive signals generated at least two receivers a runtime difference of the acoustic waves and/or an absolute runtime of an acoustic wave is determined and by means of a determined runtime difference and/or a determined absolute runtime physical and/or chemical properties of the medium are determined, such as for example a mean flow velocity.Type: ApplicationFiled: February 12, 2016Publication date: August 18, 2016Inventors: Jens RAUTENBERG, Rudolf BRAUN, Achim STARK, Stefan RUEGER
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Patent number: 7080441Abstract: A device for automated composite lay up of a part to be manufactured—such as a large aircraft fuselage—includes a mandrel having a vertical axis and an interior mandrel surface that conforms to an outside mold line of the part. A vertical movement shaft is disposed inside the mandrel. A platform is supported, moved up and down, and rotated on the vertical movement shaft. One or more arm mechanisms are attached to the platform. One or more material delivery heads are supported by the arm mechanisms, and the arm mechanisms moves and positions the material delivery heads relative to the interior mandrel surface so that composite material is delivered directly to the outside mold line on the interior mandrel surface.Type: GrantFiled: July 28, 2003Date of Patent: July 25, 2006Assignee: The Boeing CompanyInventor: Rudolf Braun
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Publication number: 20050023414Abstract: A device for automated composite lay up of a part to be manufactured —such as a large aircraft fuselage—includes a mandrel having a vertical axis and an interior mandrel surface that conforms to an outside mold line of the part. A vertical movement shaft is disposed inside the mandrel. A platform is supported, moved up and down, and rotated on the vertical movement shaft. One or more arm mechanisms are attached to the platform. One or more material delivery heads are supported by the arm mechanisms, and the arm mechanisms moves and positions the material delivery heads relative to the interior mandrel surface so that composite material is delivered directly to the outside mold line on the interior mandrel surface.Type: ApplicationFiled: July 28, 2003Publication date: February 3, 2005Applicant: The Boeing CompanyInventor: Rudolf Braun
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Patent number: 6218495Abstract: A three-stage process for the continuous preparation of RTV-1 compositions comprises, in a first step, preparing a raw mixture of &agr;,&ohgr;-dihydroxypolydiorganosiloxane, filler and, if desired, further constituents, in a second step, freeing the raw mixture of gas inclusions under reduced pressure and, if desired, mixing it with further constituents and, in a third step, mixing the degassed raw mixture with a crosslinker, a condensation catalyst and, if desired, additional constituents not yet added in the first and second steps.Type: GrantFiled: February 24, 1999Date of Patent: April 17, 2001Assignee: Wacker-Chemie GmbHInventors: Rudolf Braun, Helmut Wöhrl, Werner Trajer, Johann Steiner, Thomas Felber
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Patent number: 6054523Abstract: Aqueous dispersions of organopolysiloxanes comprising (A) an organopolysiloxane containing groups which are capable of condensation, (B) a condensation catalyst, (C) an organopolysiloxane resin which is at least partly soluble in organopolysiloxane (A) when present in amounts of up to 50% by weight based on the weight of (A), (D) a compound containing basic nitrogen and (E) polyvinyl alcohol. The aqueous dispersions are prepared by dissolving the organopolysiloxane resin (C) in the organopolysiloxane (A) and then emulsifying the solution with polyvinyl alcohol (E) and water. The stable aqueous dispersions of the present invention cure to form transparent films.Type: GrantFiled: November 15, 1994Date of Patent: April 25, 2000Assignee: Wacker-Chemie GmbHInventors: Rudolf Braun, Karl Braunsperger, Herbert Sollradl, Stefan Oberneder, Robert Braunsperger
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Patent number: 5985994Abstract: Aqueous dispersions organopolysiloxanes which are free of organic transition metal compounds and of organic compounds of the metals of the main groups III, IV and V. These dispersions can be produced using the following starting compounds:(A) organopolysiloxane containing condensation-capable groups;(B) an organosilicon compound of the formula{[(RO).sub.3 Si--R.sup.3 --].sub.e R.sup.2.sub.1-e }.sub.a Si(OR).sub.4-a(II),in whichR is identical or different and is a hydrogen atom or alkyl radical having 1 to 6 carbon atoms,R.sup.2 is identical or different and is an SiC-bonded hydrocarbon radical having 1 to 18 carbon atoms, optionally substituted with halogen atoms, ether groups, ester groups, epoxy groups, mercapto groups or (poly)glycol radicals comprised of oxyethylene units, oxypropylene units and mixtures thereofR.sup.3 is identical or different and is a divalent hydrocarbon radical,a is 0 or 1, ande is 0 or 1 where {[(RO).sub.3 Si--R.sup.3 --].sub.e R.sup.2.sub.1-e }.sub.Type: GrantFiled: November 10, 1997Date of Patent: November 16, 1999Assignee: Wacker-Chemie GmbHInventors: Stefan Oberneder, Karl Braunsperger, Alfred Heinrich, Rudolf Braun, Herbert Soellradl
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Patent number: 5723561Abstract: A process for the continuous preparation of organopolysiloxane by condensation and/or equilibration reaction of organosilicon compounds comprisingin a first stepconveying an organosilicon compound, catalyst which is solid in the reaction mixture at least at the reaction temperature and, optionally, additives continuously from the bottom upwards through a heated cylindrical reactor which is arranged in a standing position and whose contents can be agitated mechanically andin a second steppassing the reaction mixture obtained after leaving the reactor at the upper end thereof continuously through a cylindrical reactor andin a third stepfreeing the reaction mixture obtained of catalyst after exit from the reactor.Type: GrantFiled: October 4, 1995Date of Patent: March 3, 1998Assignee: Wacker-Chemie GmbHInventors: Rudolf Braun, Ludwig Hager, Johann Steiner, Horst Muller
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Patent number: 5621061Abstract: The invention relates to a process for stabilizing organopolysiloxanes which contain phosphazenes and/or their reaction products which promote the condensation and/or equilibration of organopolysiloxanes. To stabilize any previously known organopolysiloxanes which contain phosphazenes and/or their reaction products against re-arrangements and also molecular weight changes and viscosity changes resulting therefrom, it is proposed that the said phosphorus compounds be brought into contact with at least one non-basic, solid adsorbent.Type: GrantFiled: October 4, 1996Date of Patent: April 15, 1997Assignee: Wacker-Chemie GmbHInventors: Rudolf Hager, Rudolf Braun, Otto Schneider, Bernward Deubzer
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Patent number: 5475076Abstract: The invention relates to organo(poly)siloxane compositions which have long shelf life in the absence of water, but can be crosslinked in the presence of water, even at room temperature, to give elastomers with elimination of alcohols, and to a process for the preparation of such compositions.Type: GrantFiled: July 29, 1994Date of Patent: December 12, 1995Assignee: Wacker-Chemie GmbHInventors: Rudolf Braun, Petra Absmaier
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Patent number: 5331077Abstract: Organo(poly)siloxanes composed of units of the formula [R.sub.a R.sup.1.sub.3-a SiO.sub.1/2 ], [R.sub.b R.sup.1.sub.2-b SiO.sub.2/2 ] and [R.sup.1 SiO.sub.3/2 ], in which R can be the same or different and represents a monovalent organic radical which is free from aliphatic carbon-carbon multiple bonding, R.sup.1 can be the same or different and represents a monovalent organic radical which has at least one aliphatic carbon-carbon multiple bond, a is 0, 1 or 2 and b is 0 or 1.Type: GrantFiled: December 24, 1992Date of Patent: July 19, 1994Assignee: Wacker-Chemie GmbHInventors: Rudolf Braun, Karl Braunsperger
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Patent number: 5304621Abstract: Organo(poly)siloxanes with siloxane units at the end of the chain having organyloxy and hydrogen groups are disclosed as well as a process for producing the same by reacting .alpha.,w-dihydroxyorgan(poly)siloxanes with silanes having a group that can be easily separated and their use in organo(poly)siloxane mixtures that can be stored in the absence of water but which can be cross-linked into elastomers at ambient temperature in the presence of water. Also, a process is disclosed for producing organopolysiloxane elastomers by cross-linking cross-linkable mixtures by addition of Si-linked hydrogen to SiC-linked residues with aliphatic carbon-carbon multiple linkage.Type: GrantFiled: December 7, 1992Date of Patent: April 19, 1994Assignee: Wacker-Chemie GmbHInventors: Gerhard Staiger, Rudolf Braun, Johann Mueller, Michael Stepp, Werner Brennenstuhl, Petra Absmaier
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Patent number: 5045231Abstract: Aqueous dispersions of organopolysiloxanes containing the following components:(A) Organopolysiloxane having groups which can undergo condensation;(B) condensation catalyst;(C) organopolysiloxane resin; and(D) diorganosilanolate and/or condensation products thereof formed by splitting off water.Type: GrantFiled: September 24, 1990Date of Patent: September 3, 1991Assignee: Wacker-Chemie GmbHInventors: Rudolf Braun, Karl Braunsperger, Herbert Sollradl, Matthias Wolfgruber
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Patent number: 4657615Abstract: This invention relates to an improved composite material leading edge/spar member for an aircraft control surface, and the like. The present invention provides a one-piece composite leading edge/spar member that is of a lighter and stronger construction offering dimensional stability, and an efficient method for manufacturing the same is also provided. A one-piece leading edge/spar member (12) includes a forward leading edge portion (22), and an aft spar portion (23). The forward leading edge and the aft spar portions are connected together as a continuous one-piece tubular member of composite material. The forward leading edge portion (22) may be rounded, and the aft spar portion (23) may include an aft web portion (24) and first and second rebate portions (26, 28). The rebate portions (26, 28) connect the web portion (24) to the rounded forward leading edge portion (22), and provide surfaces for the attachment of skin surface members (16, 18) thereto.Type: GrantFiled: August 20, 1984Date of Patent: April 14, 1987Assignee: The Boeing CompanyInventors: Rudolf Braun, Richard Jensen
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Patent number: 4128115Abstract: The entraining element is constructed of a carrier, a striking member and a support member. The striking member is fixed to the conveyor chain via the carrier and has a resilient striking plate which extends transversely of the gripper shuttle path for returning a shuttle to the picker. The support member is mounted behind the striking plate to define a gap with the striking plate in the unloaded state. Upon deflection of the striking plate during loading, the plate abuts resiliently against the support member.Type: GrantFiled: January 31, 1978Date of Patent: December 5, 1978Assignee: Sulzer Brothers LimitedInventors: Rudolf Braun, Werner Kellmann
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Patent number: 3955604Abstract: An endless belt is disposed between the cloth take-off roller of a weaving machine and the pressing roller in order to press a cloth passing between the belt and the take-off roller or between the belt and each of the take-off roller and pressing roller. The belt is disposed around a pair of tubes which are freely mounted within the belt.Type: GrantFiled: June 18, 1974Date of Patent: May 11, 1976Assignee: Sulzer Brothers LimitedInventor: Rudolf Braun