Abstract: A method for producing the component, and to the use of the component. The method for producing a three-dimensional, ceramic component containing silicon carbide, by a) providing a powdery composition having a grain size (d50) between 3 microns and 500 microns and comprising at least 50 wt % of coke, b) providing a liquid binder, c) depositing a layer of the material provided in a) in a planar manner and locally depositing drops of the material provided in b) onto said layer and repeating step c), the local depositing of the drops in the subsequent repetitions of the step is adapted in accordance with the desired shape of the component to be produced, d) at least partially curing or drying the binder and obtaining a green body having the desired shape of the component, e) carbonising the green body, and f) siliconising the carbonised green body by infiltration with liquid silicon.

Abstract: A filter device, in particular for lubricating oil filtration, includes at least two filter inserts (27), in each of which a filter material (43) is accommodated. The filter inserts are provided with fluid passage points (37, 39) and can be stacked on top of one another with the formation of a stack. A back-flushing device (55,57) is movably arranged along the inner side of the filter inserts (27). The individual filter inserts (27) are designed as identical parts at least with respect to their housings.

Abstract: A system and method for transformation of motor transportation vehicle for ground and air transport, motor transportation vehicle are disclosed.

Abstract: The invention relates to a filter device, in particular for filtering lubrication, consisting of at least one filter insert (19), in which a respective filter material (27) is received and which is provided with fluid passage points (70) that are delimited by wall parts (63) of the filter insert (19) and with a backflush device (37, 49) that has at least one flush nozzle (49), said flush nozzle being movable along the interior of the respective pairable filter insert (19) by means of a hollow drive shaft (37).

Abstract: A safety switch device configured to perform at least one of connecting a load to a power supply and disconnecting the load from the power supply is provided. The safety switch device comprises a first set of two serially connected controllable switching elements; a safety circuit to verify a switching state of the first set of two switching elements, wherein each switching element of the first set of two switching elements is configured as a toggle; a control circuit configured to provide a test signal to the safety circuit; and decoupling means configured to galvanically decouple the load circuit from the control circuit. The decoupling means comprise a transformer, and the control circuit comprises a transformer driver configured to provide the test signal to the safety circuit via the transformer.

Abstract: A grounding pin for connecting a vehicle body to a pole of a vehicle battery includes a pin plate and a pin shaft. The pin shaft protrudes from the pin plate, the pin shaft includes an external thread, and a longitudinal axis of the pin shaft forms a center line of the grounding pin. The pin plate has an installation securing face which points radially outward and which is parallel to a face which passes through the center line. The installation securing face is disposed closer to the center line than a circumferential face of the pin plate. The pin plate has a connection face which points away from the pin shaft and which is matched to the vehicle body for a welding purpose.

Abstract: A system and method for transformation of motor transportation vehicle for ground and air transport, motor transportation vehicle are disclosed.

Abstract: A vehicle having a first configuration for road use and a second configuration for air use, comprising: road wheels; a traction drive propulsion unit for driving road wheels when in contact with the ground; a thrust propulsion unit for driving a propeller to drive the vehicle through the air; and wherein, when the vehicle is configurable into any of: the first configuration, in which the traction drive propulsion unit is engaged to drive the road wheels on the ground, and the thrust propulsion unit is disengaged from the propeller; the second configuration, in which the traction drive propulsion unit is disengaged such that no drive is provided to the road wheels, and the thrust propulsion unit is engaged with the propeller to drive the vehicle thorough the air; or an intermediate configuration in which the traction drive propulsion unit is engaged to drive the road wheels on the ground, and the thrust propulsion unit is engaged with the propeller to drive the vehicle through the air.

Abstract: A grounding pin for connecting a vehicle body to a pole of a vehicle battery includes a pin plate and a pin shaft. The pin shaft protrudes from the pin plate, the pin shaft includes an external thread, and a longitudinal axis of the pin shaft forms a center line of the grounding pin. The pin plate has an installation securing face which points radially outward and which is parallel to a face which passes through the center line. The installation securing face is disposed closer to the center line than a circumferential face of the pin plate. The pin plate has a connection face which points away from the pin shaft and which is matched to the vehicle body for a welding purpose.

Abstract: The invention relates to a filter device, in particular for filter¬ing lubrication, consisting of at least one filter insert (19), in which a respec¬tive filter material (27) is received and which is provided with fluid passage points (70) that are delimited by wall parts (63) of the filter insert (19) and with a backflush device (37, 49) that has at least one flush nozzle (49), said flush nozzle being movable along the interior of the respective pairable filter insert (19) by means of a hollow drive shaft (37).

Abstract: An aircraft, such as a flying car, comprising a body structure, lift structures (such as wings), control structures (such as fins, elevators, and ailerons), and a motor; a propeller connected to the motor and mounted for rotation about a drive axis to provide thrust; the propeller comprising a hub having a plurality of blades connected thereto; and a plurality of blade housings adjacent the propeller and extending substantially parallel to the drive axis; wherein the blades are mounted on the hub so as to be moveable between an expanded position in which the blades project radially from the hub, and a folded position in which each blade extends axially from the hub so as to lie in a respective blade housing.

Abstract: The invention relates to a filter device, in particular for lubri¬cating oil filtration, comprising at least two filter inserts (27), in each of which a filter material (43) is accommodated, which are provided with fluid passage points (37, 39) and can be stacked on top of one another with the formation of a stack, and further comprising a back-flushing device (55,57) which is movably arranged along the inner side of the filter inserts (27). The invention is characterized in that the individual filter inserts (27) are designed as identical parts at least with respect to their housings.

Abstract: A safety switch device configured to perform at least one of connecting a load to a power supply and disconnecting the load from the power supply is provided. The safety switch device comprises a first set of two serially connected controllable switching elements; a safety circuit to verify a switching state of the first set of two switching elements, wherein each switching element of the first set of two switching elements is configured as a toggle; a control circuit configured to provide a test signal to the safety circuit; and decoupling means configured to galvanically decouple the load circuit from the control circuit. The decoupling means comprise a transformer, and the control circuit comprises a transformer driver configured to provide the test signal to the safety circuit via the transformer.

Abstract: A method for producing the component, and to the use of the component. The method for producing a three-dimensional, ceramic component containing silicon carbide, by a) providing a powdery composition having a grain size (d50) between 3 microns and 500 microns and comprising at least 50 wt % of coke, b) providing a liquid binder, c) depositing a layer of the material provided in a) in a planar manner and locally depositing drops of the material provided in b) onto said layer and repeating step c), the local depositing of the drops in the subsequent repetitions of the step is adapted in accordance with the desired shape of the component to be produced, d) at least partially curing or drying the binder and obtaining a green body having the desired shape of the component, e) carbonising the green body, and 0 siliconising the carbonised green body by infiltration with liquid silicon.

Abstract: Transformation method of hybrid transportation vehicle for ground and air includes the following transformation and reciprocal steps: Tilting the compensation cover (7) on. Expansion of both whole wings (1) from the transportation vehicle longitudinal position around two vertical axes (2) into the flying position. Expansion of rear parts of wings (1) from the top front parts of wings (1) into the spread flying position by tilting the rear of each wing (1) around a horizontal axis (3). The take-off and landing tilting of wings (1) by an angle of attack alpha=0 to 40° of the wings onset. Front wheels track (5) is reduced by axially shifting the front wheels (5) towards the fuselage. Furthermore, a corresponding hybrid transportation vehicle for ground and air is described which contains reciprocal transformation mechanisms for transformation from a sterling double or four-track automobile into a sterling aircraft for take-off and landing on the ground or water, and vice versa.

Abstract: A central wing panel for a hybrid transportation vehicle for ground and air transportation configured to enable transitioning between an air mode and a ground mode. The central wing panel has a front frame section and a rear frame section connected by one or more cross members. The central wing panel is configured to rotate enabling adjustment of an angle of attack of the vehicle. The rear frame section is configured to rotate enabling coupling and uncoupling of the rear frame section from a first wing and a second wing for transitioning between the air mode and the ground mode. The central wing panel is also configured to allow rotation of ailerons and flaps so that they fold over onto the top front portion of the wings.

Abstract: A directional control system for a hybrid transportation vehicle for ground and air transportation. The vehicle has at least one steerable wheel for use in ground operation, the wheel being connected to a steering mechanism, wings having moveable control surfaces, and a tail having a moveable control surface. The system has a first shaft having a first control input at one end, wherein the first shaft is linked to the steering mechanism and a second shaft that extends through the first shaft and is independently rotatable and slidable with respect to the first shaft. The second shaft has a second control input at one end, a first linkage configured to transmit a rotational movement of the second shaft to control the moveable control surfaces on the wings, and a second linkage configured to transmit an axial movement of the second shaft to control the moveable control surface on the tail.

Abstract: Transformation method of hybrid transportation vehicle for ground and air includes the following transformation and reciprocal steps: Tilting the compensation cover (7) on. Expansion of both whole wings (1) from the transportation vehicle longitudinal position around two vertical axes (2) into the flying position. Expansion of rear parts of wings (1) from the top front parts of wings (1) into the spread flying position by tilting the rear of each wing (1) around a horizontal axis (3). The take-off and landing tilting of wings (1) by an angle of attack alpha=0 to 40° of the wings onset. Front wheels track (5) is reduced by axially shifting the front wheels (5) towards the fuselage. Furthermore, a corresponding hybrid transportation vehicle for ground and air is described which contains reciprocal transformation mechanisms for transformation from a sterling double or four-track automobile into a sterling aircraft for take-off and landing on the ground or water, and vice versa.

Abstract: An electric motor includes an armature shaft which is mounted in at least one floating bearing. The floating bearing comprises a bearing inner ring, which is positioned on the armature shaft, a bearing outer ring, which is received in a bearing seat, and a fluid pump for a vehicle fluid system having the electric motor. Lubricant disposed between the armature shaft and the bearing inner ring forms a hydrodynamic lubricant film and generates a constant relative movement between the armature shaft and the bearing inner ring.

Abstract: A method is described for diagnosing a heatable exhaust gas sensor of an internal combustion engine, in which a predefined chronologically varying or constant voltage or a predefined chronologically varying or constant current is generated with the aid of a voltage source, the voltage or the current is applied to terminals of the exhaust gas sensor, a current or applied voltage, which flows through the voltage source when the voltage or the current is applied, is detected, and the current or the voltage is analyzed to diagnose the exhaust gas sensor.