Abstract: A pedal unit for controlling a vehicle function has a modularly constructed pedal head which includes a pad support and a replaceable pedal pad for receiving an actuation force of a driver's foot and connected to a small stroke movable housing cover along a vertical direction of the pedal unit. The pedal pad is releasably connected to the pad support. A fastening arrangement is configured to connect the pad support to the movable housing cover in a releasable and form-fit and/or friction-fit manner as well. A method for assembling such a pedal unit and a method for disassembling a pedal head from such a pedal unit is also disclosed.

Abstract: A pedal unit for controlling a vehicle function is disclosed. The pedal unit includes a tread plate that has a support surface configured to receive an actuating force of a driver's foot. The tread plate is connected to a housing cover that is movable via a small stroke along a vertical direction of the pedal unit. The housing cover is connected to a sensor housing in which at least one sensor arrangement is formed. At least one deflection device is included and designed to deflect a small stroke movement of the movable housing cover extending along a vertical direction of the pedal unit caused by the actuating force into a measuring movement extending along a longitudinal direction of the pedal unit. The at least one sensor arrangement is designed to detect the measuring movement based on the small stroke movement in a contactless manner.

Abstract: An actuation device for a motor vehicle, in particular for specifying a braking and/or acceleration request, includes a first housing portion which is slidably mounted on a second housing portion in a vertical extension of the second housing portion. The first housing portion includes an actuating surface on a top surface facing away from the second housing portion, or a cover having the actuating surface is arranged on the top surface. The first housing portion includes a bar-shaped projection on an inner side facing the second housing portion. Further, the second housing portion includes a guide receptacle for the projection for the guided, slidable mounting of the first housing portion on the second housing portion.

Abstract: A sensor arrangement for an actuation device of a motor vehicle is disclosed which has a force transfer element and which can be assigned or is assigned in particular to an actuating surface of the actuation device for transferring an actuating force applied to the actuation device, in particular on the actuating surface. The sensor arrangement further has a measuring head arranged in a printed circuit board. The measuring head has a measuring membrane. The measuring membrane has a force sensor element at one end and is assigned to the force transfer element at the other end, in particular abutting the force transfer element.

Abstract: An actuation device for a motor vehicle, in particular for specifying a braking and/or acceleration request, with a first and a second housing portion is disclosed. The first housing portion includes an actuating surface on a top surface facing away from the second housing portion, or a cover with the actuating surface is arranged on the top surface. The housing portions are connected to each other by a hinge. An axis of rotation of the hinge is arranged laterally spaced apart from the actuating surface.

Abstract: Disclosed is a piston ring having a substrate to which a wear resistant coating is applied that includes at least one first element with a melting point Tm>760° C. The wear resistant coating contains at least one second element with a melting point Tm>760° C. The wear resistant coating also includes droplets which have a diameter and which contain at least the first element, where at least 90% of the droplets have a value 1 ?m?D?10 ?m. In the method for producing a wear resistant coating using an arc evaporation techniques, the target material includes at least one first element with a melting point Tm>760° C. and at least one second element with a melting point Tm>760° C., wherein the quantity of the second material contained in the target material is such that the melting point Tm of the target material >1000° C.

Abstract: The invention relates to a piston ring which is produced from a carrier material, especially steel or a cast material. The piston ring has a wear-resistant coating from a periodic multilayer system, every periodicity consisting of at least two individual metal nitride layers. The multilayer system has superlattice structures, the thickness of an individual layer being ?2 nm to <15 nm and the thickness of the multilayer system being >4.5 ?m and adjacent individual layers within the periodicity having different metallic elements.

Abstract: Disclosed is a piston ring (1) having a substrate (10) to which a wear resistant coating (20) is applied that includes at least one first element with a melting point Tm?700° C. The wear resistant coating (20) contains at least one second element with a melting point Tm>760° C. The wear resistant coating also includes droplets (30) which have a diameter (D) and which contain at least the first element, wherein at least 90% of the droplets (30) have a value 1 ?m?D?10 ?m. In the method for producing a wear resistant coating (20) using an arc evaporation technique, the target material includes at least one first element with a melting point Tm?700° C. and at least one second element with a melting point Tm>760° C., wherein the quantity of the second material contained in the target material is such that the melting point (Tm) of the target material ?1000° C.

Abstract: The invention relates to a flap system for an aircraft high lift system or an engine actuation with a rotary shaft system, one or more drive stations as well as elements for transmitting the drive energy from the rotary shaft system to the one or more drive stations, wherein at least one drive station includes at least two independent load paths with at least one rotational transmission each for actuating the flap kinematics, and per load path at least one mechanically coupling-free synchronization unit is provided for compensating regular load fluctuations between the load paths. The invention furthermore relates to a method for monitoring a flap system with at least two redundant load paths which each comprise at least one rotational transmission, wherein it is cyclically checked whether the difference of the output-side torques of the at least two load paths exceeds a defined threshold value and/or lies within a defined limit range.

Abstract: In a method for coating a sliding element, in particular a piston ring or a cylinder liner of an internal combustion engine, DLC phases are embedded into a hard material layer as said hard material layer is deposited. A sliding element, such as a piston ring or a cylinder liner of an internal combustion engine, comprises a hard material layer with embedded DLC phases.

Abstract: The invention relates to a piston ring which is produced from a carrier material, especially steel or a cast material. The piston ring has a wear-resistant coating from a periodic multilayer system, every periodicity consisting of at least two individual metal nitride layers. Adjacent individual layers within the periodicity have different metallic elements. The thickness of an individual layer is ?15 nm.

Abstract: In order to avoid burn traces on piston rings, it is proposed to provide the piston ring with a wear-protection coating which consists of a material with a thermal conductivity of at least 180 W/(m·K). At least 5% vol. of the wear-protection coating consists of aluminum nitride.

Abstract: A sliding element, in particular a piston ring or a cylinder liner, comprising at least one a-C:H:Me layer, where Me is germanium and silicon, having a layer thickness of 10-40 ?m, is provided.

Abstract: The invention relates to a gliding element of an internal combustion engine, especially a piston ring, having a DLC coating of the ta-C type which has at least one residual stress gradient.

Abstract: A method for patterning a layer stack with at least one ceramic layer includes providing the ceramic layer, which has at least one plated-through hole. An electrically conductive layer is applied above the ceramic layer, such that the electrically conductive layer is electrically coupled to the at least one plated-through hole. A further layer is deposited onto the electrically conductive layer in the region of the at least one plated-through hole, wherein the further layer includes nickel. The electrically conductive layer is removed outside the region of the at least one plated-through hole. A carrier device patterned in this way can be electrically and mechanically coupled to an electronic component.

Abstract: The invention relates to a sliding element for an internal combustion engine, especially a piston ring having a DLC coating of ta-C, which has at least one residual stress gradient, a negative residual stress gradient being present in the center region of the coating, when seen from the outside to the inside, said gradient being preferably smaller that the inner region, and the inner region having smaller thickness that the center region.

Abstract: The invention relates to a flap system for an aircraft high lift system or an engine actuation with a rotary shaft system, one or more drive stations as well as elements for transmitting the drive energy from the rotary shaft system to the one or more drive stations, wherein at least one drive station includes at least two independent load paths with at least one rotational transmission each for actuating the flap kinematics, and per load path at least one mechanically coupling-free synchronization unit is provided for compensating regular load fluctuations between the load paths. The invention furthermore relates to a method for monitoring a flap system with at least two redundant load paths which each comprise at least one rotational transmission, wherein it is cyclically checked whether the difference of the output-side torques of the at least two load paths exceeds a defined threshold value and/or lies within a defined limit range.

Abstract: Disclosed is a piston ring (1) having a substrate (10) to which a wear resistant coating (20) is applied that includes at least one first element with a melting point Tm?700° C. The wear resistant coating (20) contains at least one second element with a melting point Tm>760° C. The wear resistant coating also includes droplets (30) which have a diameter (D) and which contain at least the first element, wherein at least 90% of the droplets (30) have a value 1 ?m?D?10 ?m. In the method for producing a wear resistant coating (20) using an arc evaporation technique, the target material includes at least one first element with a melting point Tm?700° C. and at least one second element with a melting point Tm>760° C., wherein the quantity of the second material contained in the target material is such that the melting point (Tm) of the target material ?1000° C.

Abstract: A sliding element in an internal combustion engine has a coating which has the following layers from the outside inwards: a first carbon-based layer, a second carbon-based layer which is harder and/or has a smaller proportion of hydrogen than the first carbon-based layer, a PVD layer and a bonding layer.

Abstract: A piston ring with a DLC coating comprises an adhesive layer on a base material from inside to outside, an amorphous metallic hydrocarbon layer and an amorphous non-metallic hydrocarbon layer, wherein primarily sp2 bonds predominate in the metallic hydrocarbon layer and the non-metallic hydrocarbon layer comprises sp2 and sp3 bonds, the sp3 bond fraction being higher than in the metallic hydrocarbon layer so that an electrical resistance of the DLC coating arises, said resistance being in the range greater than 5000 ohms, in particular greater than 5000 kohms.