Abstract: A coolant pump that includes: a rotating slide ring, which is arranged on the pump impeller towards an axial end of the entry opening; a static slide ring, which is arranged on the pump housing around the mouth of the inlet opposite the rotating slide ring; the rotating slide ring has a sliding surface and the static slide ring has a sliding surface, the sliding surfaces are facing one another and form a sliding bearing that receives a force directed axially away from the pump impeller to the pump housing; and a microstructure for creating a hydrodynamic lubricating film between the sliding surfaces is formed on at least one of the sliding surfaces facing one another, the microstructure includes cavities that collect liquid coolant on the at least one sliding surface.

Abstract: The invention relates to a device (1) for bending a profiled workpiece (2), comprising a movably mounted, drivable bending tool (3) and a holder (4) for the profiled workpiece (2), the holder (4) having a profiled channel (29) for the profiled workpiece (2), on the outlet side (5) of which is formed a counter-tool (5?) for the profiled workpiece (2) when the latter is bent, wherein the bending tool (3) can be driven relative to said counter-tool (5?).

Abstract: A battery system for a motor vehicle, the battery system including a first casing component having a first sidewall and a second sidewall and a base extending between the first sidewall and the second sidewall, the first sidewall having a height which is greater than the height of the second sidewall; a second casing component operatively connected to the first casing component; cell holders fixedly connected to the first casing component at the base and the first sidewall; and a plurality of cells fixedly connected to the cell holders.

Abstract: The invention relates to a method and apparatus for producing a coal cake for coking, in which a bed (3) of coal is compacted in a mold (2) by pulses of hammers (19) which act on the bed, and is solidified to form a block. In accordance with the invention the bed (3) is not only worked on in pulses by the hammers (19) but is also subjected to compression.

Abstract: The invention rates to a method and apparatus for producing a coal cake for coking, in which a bed (3) of coal is compacted in a mould (2) by pulses of hammers (19) which act on the bed, and is solidified to form a block. In accordance with the invention the bed (3) is not only worked on in pulses by the hammers (19) but is also subjected to compression.