Patents by Inventor Jurgen Ramm

Jurgen Ramm 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: 10487391
    Abstract: A method for producing an oxidation barrier layer on a workpiece substrate in which the oxidation barrier layer is produced by means of physical deposition from the gas phase (PVD) and is an oxide that is materially related to the uncoated surface of the workpiece.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: November 26, 2019
    Assignee: Oerlikon Surface Solutions AG, Pfäffikon
    Inventors: Jürgen Ramm, Florian Seibert, Beno Widrig, Doris Fopp-Spori
  • Patent number: 10323320
    Abstract: The invention relates to a method for producing layers consisting of ternary and higher oxides of metallic and semi-metallic components, wherein the formation temperature of these oxides can be determined essentially through the composition of the binary (or higher) alloy targets (based on the phase diagram).
    Type: Grant
    Filed: April 23, 2009
    Date of Patent: June 18, 2019
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventor: Jürgen Ramm
  • Publication number: 20190024795
    Abstract: The present invention relates to a tribological system (1; 2) comprising a first body (102; 105) and a second body (101; 107), which each form a component of an internal combustion engine (100), in particular a piston (102), a piston ring (105) or a cylinder (101, 107), and the surfaces (112, 108, 113) of which have a first and a second material area (11, 12) which come into contact with each other at least in some regions during operation and form a tribological contact, wherein the first and/or the second material area (11, 12) is formed as a layer on the basis of chromium oxide or aluminum chromium oxide. The invention also relates to an internal combustion engine (100) having such a system (1; 2).
    Type: Application
    Filed: February 9, 2017
    Publication date: January 24, 2019
    Inventors: Peter ERNST, Jürgen RAMM, Florian SEIBERT, Beno WIDRIG
  • Publication number: 20190024005
    Abstract: The present invention relates to coated sliding parts having coating systems which allow better sliding performance under dry and/or under lubricated conditions. The coating systems according to the present invention being characterized by having an outermost layer which—is a smooth oxide-containing layer in case of sliding applications under lubricated conditions, or—is a self-lubricated layer comprising molybdenum nitride, in case of sliding applications under dry or lubricated conditions, is a self lubricated layer with a structured surface comprising a multitude of essentially circular recesses with diameters of several micrometers or below, the recesses randomly distributed over the surface.
    Type: Application
    Filed: July 5, 2018
    Publication date: January 24, 2019
    Inventors: Jurgen Ramm, Florian Seibert, Beno Widrig
  • Patent number: 10106881
    Abstract: A coating and a method for the production thereof. The coating includes at least one Mo—N-based layer of hard material which at least predominantly contains the hexagonal phase of the molybdenum nitride ?-MoN. The intensity ratio of the two peaks (?-MoN 220)/(?-MoN 200) are ?3, preferably ?10, especially preferably ?30.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: October 23, 2018
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventors: Jurgen Ramm, Johann Karner
  • Patent number: 10041017
    Abstract: The present invention relates to coated sliding parts having coating systems which allow better sliding performance under dry and/or under lubricated conditions. The coating systems according to the present invention being characterized by having an outermost layer which—is a smooth oxide-containing layer in case of sliding applications under lubricated conditions, or—is a self-lubricated layer comprising molybdenum nitride, in case of sliding applications under dry or lubricated conditions, is a selflubricated layer with a structured surface comprising a multitude of essentially circular recesses with diameters of several micrometers or below, the recesses randomly distributed over the surface.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: August 7, 2018
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventors: Jurgen Ramm, Florian Seibert, Beno Widrig
  • Publication number: 20180195176
    Abstract: Provided is a coating system for a substrate, the system including a first, second and third layer. In the system, the first layer is designed as an adhesion promoter layer, the second layer is a ductile metal layer with a columnar structure and the uppermost, third layer is a ceramic oxide layer with a high hardness value. The substrate is ideally an element of a compressor component of a stationary gas turbine. Also disclosed is a method for producing the coating system.
    Type: Application
    Filed: June 14, 2016
    Publication date: July 12, 2018
    Inventors: MICHAEL ANNEN, JOCHEN BARNIKEL, ARTURO FLORES RENTERIA, ANDREI GHICOV, SASCHA HESSEL, TORSTEN NEDDEMEYER, JÜRGEN RAMM
  • Patent number: 9997338
    Abstract: This invention relates to an arc-based method for the deposition of insulating layers and to an arc-based method for low-temperature coating processes, in which an electric arc discharge, ignited and applied on the surface of a target in an arc source, is simultaneously fed a direct current and a pulsed or alternating current. The invention further relates to an arc source in which the target is connected to a power supply unit that encompasses either a minimum of one pulsed high-current power supply 18, 18? and an additional power supply 13?, 18?, or a power supply 21, 21?, 22 designed with switchable combinatorial circuitry.
    Type: Grant
    Filed: April 8, 2005
    Date of Patent: June 12, 2018
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventors: Jürgen Ramm, Oliver Gstoehl, Beno Widrig, Daniel Lendi
  • Patent number: 9945024
    Abstract: In order to produce zirconia-based layers on a deposition substrate, wherein reactive spark deposition using pulsed spark current and/or the application of a magnetic field that is perpendicular to the spark target are employed, a mixed target comprising elemental zircon and at least one stabilizer is used, or a zirconium target comprising elemental zirconium is used, wherein in addition to oxygen, nitrogen is used as the reactive gas. As an alternative, combined with the use of the mixed target, nitrogen can also be used as the reactive gas in addition to oxygen.
    Type: Grant
    Filed: September 24, 2010
    Date of Patent: April 17, 2018
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventors: Jürgen Ramm, Beno Widrig
  • Patent number: 9905399
    Abstract: The invention relates to a method for operating a pulsed discontinuous spark discharge. The spark is fed via a capacitor. Between the pulses there are switched-off time intervals during which no spark current flows. Within the pulses, that is to say during the switched-on time intervals, the supply of charge is stopped upon a current threshold being reached and is restarted, with the result that subpulses occur within the pulses. The time intervals and subpulses are chosen according to the invention such that when the capacitor is switched on again, the spark discharge readily ignites again.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: February 27, 2018
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventors: Jürgen Ramm, Beno Widrig, Kurt Ruhm
  • Patent number: 9890450
    Abstract: A coating method based on gas phase deposition by arc evaporation, with the steps: selecting a first target as a material source for the coating; providing a coating chamber with an arc evaporation source including the selected target; loading the chamber with substrates to be coated; pumping down the chamber to a process pressure suitable for the arc evaporation; and igniting and operating the arc such that material is evaporated from the first target and is then deposited on the substrates to be coated, optionally after reaction with a reactive gas admitted into the coating chamber. The first target includes at least one matrix component and one doping component such that the doping component has a melting point at least 500° C. lower than the matrix component, and a melted drop of the doping component on a solid surface of the matrix component assumes a contact angle of a least 90°.
    Type: Grant
    Filed: November 28, 2013
    Date of Patent: February 13, 2018
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventors: Jurgen Ramm, Beno Widrig, Matthias Lukas Sobiech, Doris Fopp-Spori
  • Patent number: 9873850
    Abstract: A coated body includes a body (1) with a body surface (3) and a coating system (20) deposited on at least a portion of the body surface (3). The coating system (20) includes at least one hard friction reducing coating deposited as an outermost layer (9) which exhibits droplets (10) at its surface. The outermost layer (9) includes molybdenum copper nitride and/or molybdenum nitride and copper nitride, and at least some of the droplets (10) consist mainly of copper. Preferably most of the largest droplets (10) consist mainly of copper.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: January 23, 2018
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventors: Jurgen Ramm, Matthias Lukas Sobiech, Florian Seibert, Beno Widrig
  • Patent number: 9845527
    Abstract: The invention relates to a method for coating work pieces in a vacuum treatment system having a first electrode embodied as a target, which is part of an arc vaporization source. Using the first electrode, an arc is operated with an arc current and vaporizes material. A bias voltage is applied to a bias electrode, which includes a second electrode that is embodied as a work piece holder, together with the work pieces. Metal ion bombardment is carried out either to pretreat the work pieces or in at least one transition from one layer to an adjacent layer of a multilayer system, so that neither a significant material removal nor a significant material buildup occurs, but instead, introduces metal ions into a substrate surface or into a layer of a multilayer system.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: December 19, 2017
    Assignee: Oerlikon Surface Solutions AG, Pfäffikon
    Inventors: Helmut Rudigier, Jürgen Ramm, Beno Widrig, Troy Vom Braucke
  • Patent number: 9822322
    Abstract: The invention relates to a coating comprising at least one molybdenum-containing layer having molybdenum oxide, said molybdenum being essentially molybdenum monoxide. The invention further relates to a PVD process for producing the disclosed coating, in which the layer comprising the molybdenum monoxide is produced using arc evaporation. The invention also relates to a component that has said coating.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: November 21, 2017
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFAFFIKON
    Inventors: Jurgen Ramm, Beno Widrig, Kerstin Glantz, Florian Seibert
  • Patent number: 9702036
    Abstract: A PVD layer system for the coating of workpieces encompasses at least one mixed-crystal layer of a multi-oxide having the following composition: (Me11-xMe2x)2O3, where Me1 and Me2 each represent at least one of the elements Al, Cr, Fe, Li, Mg, Mn, Nb, Ti, Sb or V. The elements of Me1 and Me2 differ from one another. The crystal lattice of the mixed-crystal layer in the PVD layer system has a corundum structure which in an x-ray diffractometrically analyzed spectrum of the mixed-crystal layer is characterized by at least three of the lines associated with the corundum structure. Also disclosed is a vacuum coating method for producing a mixed-crystal layer of a multi-oxide, as well as correspondingly coated tools and components.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: July 11, 2017
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventors: Jurgen Ramm, Beno Widrig, Michael Ante, Christian Wohlrab
  • Patent number: 9677169
    Abstract: The present invention relates to a method for coating AI-Cr-0 coatings with the help of a PVD-coating process. The PVD-coating process is performed with the help of Al and Cr comprising targets which are doped with Si. The doping of Si prevents the forming of oxide islands on the target during the reactive coating process.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: June 13, 2017
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventors: Richard Rachbauer, Jurgen Ramm, Joerg Paulitsch, Paul Heinz Mayrhofer
  • Patent number: 9623468
    Abstract: The present invention relates to a coating for high-temperature applications with tribological stress. The coating comprises a multi-layer system and a top lubrication layer, the top lubricant layer containing, as a main component, molybdenum.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: April 18, 2017
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventors: Matthias Lukas Sobiech, Jurgen Ramm
  • Patent number: 9611538
    Abstract: The invention relates to a method for producing oxidic layers by means of PVD (physical vapor deposition), in particular by means of cathodic arc vaporization, wherein a powder-metallurgical target is vaporized and the powder-metallic target is formed of at least two metallic or semi-metallic components, the composition of the metallic or semi-metallic components of the target being chosen in such a manner that during heating in the transition from the room temperature into the liquid phase no phase boundary of purely solid phases, based on the phase diagram of a molten mixture of the at least two metallic or semi-metallic components, is crossed.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: April 4, 2017
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFAFFIKON
    Inventors: Jürgen Ramm, Beno Widrig
  • Patent number: 9605338
    Abstract: The invention relates to a method for operating an arc source, whereby an electric spark discharge is ignited and run on the surface of a target and the spark discharge is simultaneously fed a direct current with an associated constant voltage DV as well as a pulsed current generated by a periodically applied voltage signal. The voltage at the arc source is boosted over several microseconds and the shape of the voltage signal is in essence arbitrarily selectable.
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: March 28, 2017
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFAFFIKON
    Inventors: Jürgen Ramm, Christian Wohlrab
  • Publication number: 20170029930
    Abstract: A coating and a method for the production thereof. The coating includes at least one Mo—N-based layer of hard material which at least predominantly contains the hexagonal phase of the molybdenum nitride ?-MoN. The intensity ratio of the two peaks (?-MoN 220)/(?-MoN 200) are ?3, preferably ?10, especially preferably ?30.
    Type: Application
    Filed: December 1, 2014
    Publication date: February 2, 2017
    Inventors: Jürgen RAMM, Johann KARNER