Abstract: An energy absorption device for a bumper of a motor vehicle has a first deformation element on the front side of the bumper. The first deformation element is a foam shaped part which extends over the width of the bumper and has a density of from 20 to 50 g/l. At least one second deformation element, with a density which is at least 50 g/l higher than the first deformation element, is inserted into the first deformation element.

Abstract: A method of exposing microorganisms to a condition wherein the condition facilitates or inhibits growth of a specific species of microorganisms or a specific consortium of microorganisms. The condition may also stimulate microorganisms to uptake a pollutant from a fluid and/or release the pollutant. Furthermore, the microorganisms may also be harvested and used as a foodstuff for human and animal consumption.

Abstract: The invention relates to a fluid pump (1). The fluid pump (1) includes an impeller unit (2) having an impeller (4) and an impeller housing (3) and to an electric motor (6) having a motor housing (10). On the impeller housing (3), a fluid inlet (5a) and a fluid outlet (5b) are formed. The impeller housing (3) is firmly connected to the motor housing (10) by means of a fastening unit (30). It is substantial that the fluid outlet (5b) with respect to the motor housing (10) can be arranged in one of at least two possible positions (P1.1, P2.1), wherein the possible positions (P1.1, P2.1) differ from one another by an angle of rotation (DW).

Abstract: The invention relates to a fluid pump (1), which comprises an impeller unit (2) with an impeller (4) and an electric motor (6) with a motor housing (10). The impeller unit (2) comprises an inlet side (2a) with a fluid inlet (5a) and an outlet side (2b) with a fluid outlet (5b), wherein a guide channel (26) fluidically connects the inlet side (2a) and the outlet side (2b) via the impeller (4). It is substantial for the invention that the guide channel (26) is additionally realised in regions by a cooling fluid jacket (27) formed in the motor housing (10).

Abstract: The invention relates to a fluid pump (1) for a fuel cell system. The fluid pump (1) thereby has an impeller unit (2) comprising an impeller (4), an inlet side (2a) comprising a fluid inlet (5a), and an outlet side (2b) comprising a fluid outlet (5b). In addition, the fluid pump (1) has an electric motor (6). The fluid pump (1) also has a guide channel (23) for the cooling fluid, wherein the guide channel (23) fluidically connects the inlet side (2a) and the outlet side (2b) via the impeller (4) and via the motor (6). According to the invention, the fluid pump (1) is designed in such a way that all of the surfaces within the guide channel (23), to which the cooling fluid can be applied directly, do not separate any ions into the cooling fluid. The invention also relates to the fuel cell system comprising the fluid pump (1).

Abstract: A first object includes an internal support and an exterior portion coupled to the internal support. A prediction may be made that contact between the exterior portion and a second object will occur. A sensor is configured to output a force signal that indicates the contact between the exterior portion and the second object has occurred, and the controller is configured to take an action based on the prediction and the force signal.

Abstract: An object includes an internal support and an exterior portion coupled to the internal support. A deformation portion includes a top portion and a bottom portion, and a force imparted to a first location of the exterior portion causes the bottom portion of the deformation portion to contact the exterior portion. The contact causes a deformation of the exterior portion that moves a second location of the exterior portion downward relative to the first location.

Abstract: A system for reducing total dissolved solids in wastewater can include a vertical reactor that can include a flexible sheet material, where the flexible sheet material can be configured to facilitate the growth and attachment of an algal biofilm. The vertical reactor can include a shaft, where the shaft can be associated with and can support the flexible sheet material, and a drive motor, where the drive motor can be coupled with the shaft such that the flexible sheet material can be selectively actuated. The system can include a fluid reservoir containing a portion of wastewater through which the flexible sheet material is configured to pass as well as a stressor operably configured to stimulate the algae to produce an extracellular polymeric substance. A method of reducing total dissolved solids in wastewater includes moving an algal biofilm through the wastewater and moving the algal biofilm through a gas.

Abstract: The invention relates to a glass vessel having at least one wall and manufactured from a base material which is an alkali-containing silicate glass. It is a feature of the glass vessel that at least a surface layer is enriched in potassium and depleted of sodium and/or lithium, while an inner layer, especially one directly adjoining the surface layer, is not enriched in potassium and not depleted of sodium and/or lithium, and that the glass vessel has compressive stress up to a compressive stress depth and tensile stress beyond the compressive stress depth, wherein the tensile stress rises with increasing depth up to a tensile stress maximum within the inner layer and/or wherein the progression of the tensile stress as a function of depth does not have a linear section and/or wherein the progression of the tensile stress as a function of depth does not have a section in which tensile stress is constant.

Abstract: The invention relates to methods of increasing the strength, especially the flexural strength, of a glass article produced from a glass material. The method includes the step of heating the glass article to a first temperature above the transformation temperature of the glass material, the step of shock cooling the glass article to a second temperature below the transformation temperature of the glass material, and the step of performing an ion exchange process at the second temperature.

Abstract: The invention relates inter glia to a regeneration material for regeneration of a salt melt used for a glass toughening and/or glass strengthening process, comprising potassium nitrate or consisting of potassium nitrate. The regeneration material comprises a potassium-containing silicate glass or consists of a potassium-containing silicate glass.

Abstract: The invention relates to a flat glass pane made of a base material, which is an alkali-containing silicate glass. The flat glass pane is characterized in that at least one surface layer is enriched with potassium and is depleted of sodium and/or lithium while an inner layer, in particular an inner layer directly adjoining the surface layer, is not enriched with potassium and is not depleted of sodium and/or lithium; and the flat glass pane has a compressive stress up to a compressive stress depth and a tensile stress starting from the compressive stress depth, wherein the tensile stress increases as the depth increases up to a tensile stress maximum arranged in the inner layer, and/or the curve of the tensile stress does not have a linear section depending on the depth, and/or the curve of the tensile stress does not have a section in which the tensile stress is constant depending on the depth.

Abstract: The invention relates to a method for producing a glass article. The method includes the step of producing a glass body from a glass material and the further step of bringing the glass body, at a primary temperature which is at most 50 Kelvin below and at most 30 Kelvin above the Littleton softening point of the glass material, into contact with a liquid cooling agent which has a cooling agent temperature which is at least 200 Kelvin and at most 550 Kelvin below the primary temperature.

Abstract: A system may have structure. The structures may include laminated structures formed by attaching inner and outer layers together with a layer of adhesive. The inner and outer layers in a structure may be formed from polymer such as polycarbonate. Forming the structure layers from polymer may allow the structure to have desired curvature. To improve safety and/or acoustic performance of the structure, the inner and outer structure layers may be formed from different materials. The outer polymer layer may be formed from polycarbonate and the inner polymer layer may be formed from a more brittle polymer such as polymethyl methacrylate (PMMA).

Abstract: A delivery device for delivering a liquid may include a housing, a bearing, a shaft seal, a hollow space, and a collection space. A shaft may be arranged in the housing. The shaft may be non-rotatably connected to a delivery mechanism arranged outside the housing. The bearing may be arranged in the housing and may rotatably mount the shaft. The shaft seal may be arranged axially between the bearing and the delivery mechanism and may seal the housing. The shaft seal may be arranged radially outside the shaft. The hollow space may be formed axially between the bearing and the shaft seal. The collection space may be arranged radially on a side of the hollow space facing away from the shaft. The collection space may be fluidically connected to the hollow space via a drain opening. The hollow space may expand radially, axially between the bearing and the shaft seal.

Abstract: A system for reducing total dissolved solids in wastewater can include a vertical reactor that can include a flexible sheet material, where the flexible sheet material can be configured to facilitate the growth and attachment of an algal biofilm. The vertical reactor can include a shaft, where the shaft can be associated with and can support the flexible sheet material, and a drive motor, where the drive motor can be coupled with the shaft such that the flexible sheet material can be selectively actuated. The system can include a fluid reservoir containing a portion of wastewater through which the flexible sheet material is configured to pass as well as a stressor operably configured to stimulate the algae to produce an extracellular polymeric substance. A method of reducing total dissolved solids in wastewater includes moving an algal biofilm through the wastewater and moving the algal biofilm through a gas.

Abstract: A method of using algae to remove a contaminant or pollutant from a first fluid is provided. The method can include providing a growing apparatus having a first reservoir containing the first fluid and a second reservoir containing a second fluid, and growing the algae using the growing apparatus. The method can further include exposing the algae to the first fluid within the first reservoir where the algae uptakes the contaminant or pollutant from the first fluid, and exposing the algae via a belt to the second fluid in the second reservoir where the algae is stimulated to release the contaminant or pollutant. Exposing the algae to the first fluid within the first reservoir or the second fluid may change a growth rate of the algae.

Abstract: A method of using algae to remove a contaminant or pollutant from a first fluid is provided. The method can include providing a growing apparatus having a first reservoir containing the first fluid and a second reservoir containing a second fluid, and growing the algae using the growing apparatus. The method can further include exposing the algae to the first fluid within the first reservoir where the algae uptakes the contaminant or pollutant from the first fluid, and exposing the algae via a belt to the second fluid in the second reservoir where the algae is stimulated to release the contaminant or pollutant. Exposing the algae to the first fluid within the first reservoir or the second fluid may change a growth rate of the algae.

Abstract: Use of Keplerate type polyoxomolybdates of the general structure Mo72M30, wherein M is selected from the group consisting of Fe, Cr, V or Mo2, for decontaminating aqueous media (water) from inorganic and organic pollutants.

Abstract: An energy absorption device for a bumper of a motor vehicle has a first deformation element on the front side of the bumper. The first deformation element is a foam shaped part which extends over the width of the bumper and has a density of from 20 to 50 g/l. At least one second deformation element, with a density which is at least 50 g/l higher than the first deformation element, is inserted into the first deformation element.