Schaeffler Technologies Ag & Co .kg

Picosun Oy

Ina Schaeffler Kg

Tim Hosenfeldt

Yashar Musayev

Ladislaus Dobrenizki

Bertram Haag

Detlev Repenning

Oliver Schnell

Juhana Kostamo

Serge Kursawe

Jürgen Gierl

Paul Peeters

Ivan Kolev

Roland Tap

Peter Sailer

Matthew Evans

Karl-Ludwig Grell

Walter Holweger

Arbogast Grunau

Moritz Wegener

Toni Blass

Juergen Windrich

Jermel Jones

Juergen Gierl

Helmut Schillinger

Andreas Schneider

Martin Kramer

Alexander Freiburg

Johannes Landmann

An electrode unit (), in particular for a redox flow cell (), including at least one metallic substrate () and a coating () which is applied to the substrate (), wherein the coating () includes at least one protective layer () which is formed from titanium-niobium nitride (TiNbN) and/or titanium-niobium carbide (TiNbC). A redox flow cell (), in particular a redox flow battery, having at least one such electrode unit () is also provided.

Electrode unit and redox flow cell

Layers for a bipolar plates are disclosed, as well as bipolar plates including the layers and fuel cells and/or electrolyzers including the bipolar plates. The layer may include a homogeneous or heterogeneous solid metallic solution or compound which either contains a first chemical element from the group of the noble metals in the form of iridium; or contains a first chemical element from the group of the noble metals in the form of iridium and a second chemical element from the group of the noble metals in the form of ruthenium. The layer may also include at least one further nonmetallic chemical element from the group consisting of nitrogen, carbon, boron, fluorine, and hydrogen.

Layer and layer system, as well as bipolar plate, fuel cell and electrolyser

A coating for a bipolar plate of a fuel cell or an electrolyzer contains a homogeneous or heterogeneous solid metal solution. The coating contains at least 15% Iridium and up to 84% Ruthenium with a total combined concentration of Iridium and Ruthenium of at least 99% (atomic). The coating also contains at least one of Nitrogen, Carbon, and Flourine. The coating may contain traces of Oxygen or Hydrogen. The coating may be used as part of a layer system that includes one or more undercoat layers and the coating as a covering layer.

Coating and layer system, and bipolar plate, fuel cell and electrolyser

A method for producing a laminate that has to undergo frictional loads, including a substrate and a functional layer formed from tungsten-containing, amorphous diamond-like carbon. To be able to produce such functional layers easily, they are applied by means of a tungsten-containing precursor and by using a PACVD process. A laminate including a functional layer produced by means of a precursor and to the use of a metallo-organic compound as a precursor for producing a functional layer.

Method for producing a tribologically distressed laminate, a laminate and use of an organometallic compound for producing a functional layer of the laminate

A coated component, in particular to a rolling bearing part, made from a metallic substrate (), and a PVD coating (), which is applied to the substrate (), formed of chromium and having a thickness of less than 2 &#x3bc;m, wherein the PVD coating () forms the surface of the component, and a compound of chromium and at least one further element is formed on the component surface.

Coated component

A coating method for producing an electrically insulating coating on a bearing component, wherein, in a first step, a substance mixture comprising at least a) a silane and/or siloxane compound, b) a metal alcoholate, and c) PEEK and/or PTFE in the form of a dispersion is applied to the bearing component and, in a second step, is solidified on the component surface by means of a laser beam.

Coating method and coating for a bearing component

Anti-friction bearing, comprising a metallic outer ring and a metallic inner ring with respective rolling-body raceways, and a plurality of metallic rolling bodies which roll on said rolling-body raceways, wherein an electric insulation layer () is provided on the outer ring () and/or on the inner ring () on the raceway side and/or on the rolling bodies ().

Antifriction bearing

A coated article of steel having at least one layer having a high hardness and a high resistance to wear applied by a deposition (e.g., PVD, a CVD, or PECVD) process, at least one surface region of said article and at least one ALD layer comprising at least one layer of a material deposited by an ALD (atomic layer deposition) process on said at least one layer, wherein the steel of which the article is made is a martensitic grade of steel, wherein the at least one layer, is a DLC layer, a metal-DLC layer, or a CrAlN layer and has a thickness in the range from 0.5 microns to 4 microns and a hardness in the range from 20 GPa to 100 GPa, and wherein the ALD layer has a thickness in the range from 1 nm to 100 nm.

Coated article of martensitic steel and a method of forming a coated article of steel

Disclosed is a bearing component having at least one layer having a high hardness and a high current insulation property, the layer comprising a nonconductive oxide layer selected from the group comprising an AlOlayer, a TaO layer, an SiOlayer, a mixed layer comprising two or more of the foregoing oxides, a multilayer structure comprising alternating layers of two or more of the foregoing oxides and a DLC layer such as a ta-C layer, there being at least one ALD layer comprising at least one layer of a material deposited by an ALD (atomic layer deposition) process on the at least one layer having a high hardness and a high current insulation property, the ALD layer itself having a high current insulation property and comprising a material or layer structure selected from the said group of materials.

Current insulated bearing components and bearings

Proposed is a valve drive for an internal combustion engine, having a gas exchange valve () and having a valve actuating element () which has a contact face () for an end face () on a valve shank () of the gas exchange valve () which is actuated in the opening and closing direction by the valve actuating element (). Here, the contact face () and/or the end face () should be provided with a wear prevention layer () which is composed of at least one metal-free amorphous hydrocarbon layer with spand sphybridized carbon.

Valve drive for an internal combustion engine

A process for producing a wear-resistant coating and to a wear-resistant coating on predetermined surfaces (2) of machine or engine parts (1) consisting of a sintered material which are exposed to frictional wear, for fuel feed units in particular, comprising at least one metal-free amorphous hydrocarbon layer (5) with sp- and sp-hybridized carbon applied to the predetermined surface (2) of the machine or engine part (I) for reducing friction and increasing the wear resistance of the predetermined surface (2) of the machine or engine part (1), and at least one intermediate layer of a metal-containing hydrocarbon layer formed between the predetermined surface of the machine or engine part and the amorphous hydrocarbon layer wherein the metal is a combination of W, Ti, Hf and Ge.

Wear-resistant coating and process for producing it

A switchable valve-drive component () for variable transmission of a stroke generated by one or more cam projections to a gas-exchange valve of an internal combustion engine is provided. The valve-drive component () has transmission elements (), which can be connected with a positive fit by coupling elements () in the transmission direction, in which force transmission surface sections () of the coupling elements () can be clamped between force transmission surface sections () of the transmission elements (). Here, at least one of the force transmission surface sections () should be provided with a wear protection layer (). This layer comprises at least one metal-free amorphous hydrocarbon layer with sp-hybridized and sp-hybridized carbon.

Switchable valve-drive component

The present invention relates to a process for producing a wear-resistant coating and to a wear-resistant coating on predetermined surfaces of machine or engine parts, in particular for internal combustion engines, which are exposed to frictional wear, comprising at least one nanocrystalline functional layer () made up of at least two CrNphases for reducing friction and increasing the wear resistance of the predetermined surface () of the machine or engine part ().

Growing community of inventors

Nuremberg, Germany

Tim Hosenfeldt