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 shaft bearing having a seal arrangement to prevent steam leakages that can occur in the event of temperature fluctuations or pressure fluctuations between a liquid medium on the one side and a gaseous medium on the other side of the compact bearing, wherein, between a primary radial seal and a rotation bearing portion, a lubrication space surrounding a shaft circumference is arranged that receives a volume of lubricating grease that has a higher viscosity than a lubricating oil and a coolant; and a volume compensator for compensating a temperature-dependent volume fluctuation is provided that comprises a compressible material, and is arranged vertically in interaction with the volume of the lubricating oil and/or the volume of the lubricating grease.

Abstract: The invention relates to a shaft seal (1) which is configured to seal a shaft (2) between a coolant side (8) and a dry side (9) in a water pump. The shaft seal (1) is particularly characterized in that a compressible volume compensator (7) for compensating a temperature-dependent volume fluctuation is provided, which is vertically disposed and interacting with the volume of a barrier fluid (6).

Abstract: The invention relates to a shaft bearing having a seal arrangement to prevent steam leakages that can occur in the event of temperature fluctuations or pressure fluctuations between a liquid medium on the one side and a gaseous medium on the other side of the compact bearing, wherein, between a primary radial seal and a rotation bearing portion, a lubrication space surrounding a shaft circumference is arranged that receives a volume of lubricating grease that has a higher viscosity than a lubricating oil and a coolant; and a volume compensator for compensating a temperature-dependent volume fluctuation is provided that comprises a compressible material, and is arranged vertically in interaction with the volume of the lubricating oil and/or the volume of the lubricating grease.

Abstract: A sliding bearing having a sealing arrangement for water pumps, configured to radially mount and seal a shaft in a housing between a wet side and a dry side. The sliding bearing and the sealing arrangement include a sliding bearing bushing made of a sintering material for radial mounting of the shaft, and a dry-side shaft seal arranged between the sliding bearing bushing and the dry side. A wet-side shaft seal is arranged between the wet side and the sliding bearing bushing and a lubricant reservoir with a substrate, made of a non-sintered material, which is porous in at least some sections, is arranged at least between the wet-side shaft seal and the sliding bearing bushing. The lubricant reservoir includes, in pores of the substrate, a lubricant insoluble in water. A volume of the lubricant reservoir and a volume of a lubricant filling take up a total volume of spaces between the wet-side shaft seal and the dry-side shaft seal.

Abstract: A compact bearing is produced by a sliding bearing and has a sealing arrangement for water pumps. The bearing includes a sliding bearing bushing that includes an inner sliding surface and a radial recess having an axial sliding surface, a shaft collar, and a wet-side shaft seal arranged between the wet side and the sliding bearing bushing. A dry-side shaft seal is arranged between the sliding bearing bushing and the dry side. A lubricant reservoir with a substrate, which is porous in at least some sections, is arranged between the wet-side shaft seal and the sliding bearing bushing. The lubricant reservoir includes, in pores of the substrate, a lubricant insoluble in water, and a volume of the lubricant reservoir and a volume of a lubricant filling a total volume of spaces between the wet-side shaft seal and the dry-side shaft seal.

Abstract: A sliding bearing having a sealing arrangement for water pumps, configured to radially mount and seal a shaft in a housing between a wet side and a dry side. The sliding bearing and the sealing arrangement include a sliding bearing bushing made of a sintering material for radial mounting of the shaft, and a dry-side shaft seal arranged between the sliding bearing bushing and the dry side. A wet-side shaft seal is arranged between the wet side and the sliding bearing bushing and a lubricant reservoir with a substrate, made of a non-sintered material, which is porous in at least some sections, is arranged at least between the wet-side shaft seal and the sliding bearing bushing. The lubricant reservoir includes, in pores of the substrate, a lubricant insoluble in water. A volume of the lubricant reservoir and a volume of a lubricant filling take up a total volume of spaces between the wet-side shaft seal and the dry-side shaft seal.

Abstract: The invention relates to a seal device for hydraulically sealing off sealing faces of components which are movable relative to each other in a translational or rotational relative movement, said device having a tough, elastic sealing device seal body (1) with at least one sliding face (10) which is assigned to at least one sealing face of one of the components, a plurality of cavities (2; 2a, 2b; 22) being formed in the at least one sliding face (10), said cavities having closed contours which are delimited from one another towards the sliding face (10). The contours of the cavities (2; 2a, 2b; 22) have a longer dimension (x) in a contour longitudinal direction (X) and a shorter dimension (y) in a contour transverse direction (Y).

Abstract: A measuring method and a measuring device for the spatially resolved measurement of radiation signals, in particular light signals, wherein RIfS-measurements can be carried out. At least two locations are imaged onto a detector in a spatially resolved manner by means of a spatial modulator, and either by means of a Hadamard transformation the intensity difference is calculated between the two locations from the detected signal by modulating the locations using the same Hadamard sequence, wherein one of the Hadamard sequences at one location is inverted compared to the other sequence at the respective other location, or the intensity difference between the two locations is calculated from the signal detected from the two locations with the same frequency by means of a Fourier transformation, wherein the signals are amplitude-modulated, but phase-shifted relative to one another.