Abstract: A motor vehicle (1) with a passenger compartment (3) and a motor chamber (2). A substantially closed area (7) is arranged in the motor chamber (2), and the area (7) is connected to the passenger compartment (3) via at least one first air outlet opening (18) in order to supply air from the area (7) into the passenger compartment (3). The area (7) is additionally connected to the air outside of the motor vehicle (1) via at least one air inlet opening (13) in order to supply air from outside of the motor vehicle into the area (7). Furthermore, the area (7) is connected to at least one second air outlet opening (14) in order to discharge air out of the area (7).

Abstract: The invention relates to a motor vehicle having a water tank (10) with a first inner chamber (23) for separating and conducting away water from a first air flow (15) flowing through the first inner chamber (23). The water tank (10) is designed as a heat exchanger, comprising a heat exchanger element (20) for transferring thermal energy between the first air flow (15) and a second air flow (50). At least one guide structure (8) is provided for guiding the second air flow to the heat exchange element (20) in a targeted manner. In addition, at least one control element (34) is provided, with which the transfer of the thermal energy between the first air flow (15) and the second air flow (50) can be enabled in a first operating state, and can be at least partially inhibited in a second operating state.

Abstract: A motor vehicle (1) with a passenger compartment (3) and a motor chamber (2). A substantially closed area (7) is arranged in the motor chamber (2), and the area (7) is connected to the passenger compartment (3) via at least one first air outlet opening (18) in order to supply air from the area (7) into the passenger compartment (3). The area (7) is additionally connected to the air outside of the motor vehicle (1) via at least one air inlet opening (13) in order to supply air from outside of the motor vehicle into the area (7). Furthermore, the area (7) is connected to at least one second air outlet opening (14) in order to discharge air out of the area (7).

Abstract: The invention relates to a not vehicle (1), comprising a passenger compartment (2) and an engine compartment (26), wherein the passenger compartment (2) is separated from the engine compartment (26) by a firewall (25), and comprising an air-conditioning system (3) for heating and/or cool:flag the passenger compartment (2). The air-conditioning system comprises a compressor (6), an expansion valve (5), a first heat exchanger (4), and at least one second heat exchanger (7), which are fluidically connected to each other by means of a heat-transfer medium, and a first conducting structure (8) for conducting a first air flow (11) from an outer body opening (3) into the first heat exchanger (4), which first heat exchanger is suitable for providing energy exchange between the heat-transfer medium and the first air flow (11), wherein the first heat exchanger (4) is connected to the passenger compartment (2) in order to feed the first air flow (11) into the passenger compartment (2).

Abstract: The radiator tank comprises a deflection chamber (2) comprising a top wall (3); a bottom wall (4) having a water outflow hole (9); an air inlet hole (10); and an air outlet hole (11). Inside the deflection chamber (2) a deflection element (12) is arranged, by which air charged with water droplets and flowing in through the air inlet opening (10) is deflected. The air inlet opening (10) is arranged in the top wall (3) and/or in a front wall (5) and the air outlet opening (11) is arranged in the top wall (3) and/or in a rear wall (6). A flow hole (15) is arranged between at least one side wall (7, 8) of the deflection chamber (2) and a side edge (36) of the deflection element (12). Near said flow hole (15) at least one guide structure (53) is provided to guide air flowing through the deflection chamber (2) around the side edge (36) of the deflection element (12).

Abstract: Stand having a standing area that can be folded in and out, including a handle to lift the stand with one hand, whereby a folding in and/or folding out of the standing area can be activated within a grasping area that is reachable with one hand grasping said handle.

Abstract: Method for producing a silicon ingot, comprising the following steps: providing a container to receive a silicon melt, providing a temperature control device to control the temperature of the silicon melt in the container, arranging raw material in the container comprising silicon and at least one nucleation agent to assist a heterogeneous nucleation in the silicon melt, and control of the temperature in the container for the directed solidification of the silicon melt, the nucleation agent comprising nanoscale particles.

Abstract: Method for producing a silicon ingot, comprising the following steps: providing a container to receive a silicon melt, providing a temperature control device to control the temperature of the silicon melt in the container, arranging raw material in the container comprising silicon and at least one nucleation agent to assist a heterogeneous nucleation in the silicon melt, and control of the temperature in the container for the directed solidification of the silicon melt , the nucleation agent comprising nanoscale particles.

Abstract: In the case of a device for the melting and/or crystallizing of non-ferrous metals, especially of silicon, provision is made, for improving the quality of the crystallized and block-shaped non-ferrous metal, for there to be arranged around a container for receiving the non-ferrous metal at least one controllable cooling element for the active removal of heat from the non-ferrous metal.

Abstract: In order to compact a blank from silicon powder, the latter is uniaxially pressed in a mold chamber.

Abstract: Process for winning pure silicon comprising the following steps: Providing a suspension, which exhibits at least some contaminated silicon particles, and guiding the suspension through at least one microstructure apparatus.

Abstract: Method for producing silicon which is suitable as a starting material for producing a silicon melt for the fabrication of silicon blocks or silicon crystals, comprising the following steps: introducing a gaseous mixture of monosilane and hydrogen into a reactor, thermal degrading the gaseous mixture for forming silicon powder, separating the formed silicon powder produced from the gaseous mixture, and mechanical compacting the separated silicon powder with compacting rollers which having a roller jacket consisting of a ceramic material selected from graphite, glass and silicon nitride.

Abstract: In a reactor for the decomposition of a silicon-containing gas, provision is made, to avoid silicon deposition on an inner wall of a reactor vessel, for at least one catalytically active mesh to be provided within a reaction chamber between at least one gas feed line and the inner wall (4). The mesh accelerates the thermal decomposition of the gas and reduces the deposition of silicon on the inner wall. Also described is a process for the preparation of silicon using the reactor according to the invention and the use in photovoltaics of the silicon prepared.

Abstract: A joint for a motor vehicle is provided with a housing (5), a bearing shell (4) arranged in the housing (5), a bearing journal (3), which has a bearing area (1) and a pivot area (2) and which is mounted pivotably and/or rotatably in the bearing shell (4) with the bearing area (1). The joint has at least one tensioning device (33), which is arranged in the housing 5, is designed as a solid body and by which a mechanical stress exerted by the bearing shell 4 on the bearing area 1 can be changed. The bearing shell 4 is springy at least in some areas and is deformable by the tensioning means 33 in a springy manner.

Abstract: Compacting device for the low-metal compaction of a powder with a casing which at least in part surrounds a working chamber, with a feed arrangement arranged on the casing and feeding a powder, which is to be compacted, into the working chamber, with at least a compacting roller which is rotatably arranged in the working chamber, comprises a roller jacket and, together with an opposing wall, forms a compacting gap for compacting the powder therein, characterised in that the at least one compacting roller consists of ceramic, at least on the roller jacket.

Abstract: Method for producing silicon which is suitable as a starting material for producing a silicon melt for the fabrication of silicon blocks or silicon crystals, comprising the following steps: introduction of a gaseous mixture of monosilane and hydrogen into a reactor, thermal degradation of the gaseous mixture with formation of silicon powder, separation of the silicon powder obtained from the gaseous mixture, and mechanical compacting of the separated silicon powder.

Abstract: In the case of a device for the melting and/or crystallizing of non-ferrous metals, especially of silicon, provision is made, for improving the quality of the crystallized and block-shaped non-ferrous metal, for there to be arranged around a container for receiving the non-ferrous metal at least one controllable cooling element for the active removal of heat from the non-ferrous metal.

Abstract: Oven for non-metal melting, in particular silicon melting, with a housing enclosing an interior, at least one mould arranged in the interior for receiving a non-metal melt, at least one electrical heating device enclosing, at least partially, the at least one mould for influencing the temperature of the non-metal melt, and a power supply device connected in an electrically conductive manner to the at least one heating device for providing the heating device with a time-variable current I(t), wherein the current I(t) has a frequency of 0.1 Hz to 1000 Hz and the current I(t) is of a magnitude sufficient for setting a predetermined temperature of the non-metal melt, the currents in the plurality, where necessary, of heaters having a defined phase position in respect of one another.

Abstract: Method for manufacturing a reactor for separating a gas containing silicon, comprising the following stages: preparation of a substantially tubular reactor blank with an inner wall and an outer wall, and application of a separating layer containing a powdery separating medium, at least onto the inner wall of the reactor blank. The reactor with the separating layer applied thereon offers simple and effective protection of the inner wall from deposited silicon powder. The separating layer and the silicon powder deposited thereon can easily be removed mechanically, without the inner wall being damaged.

Abstract: In a reactor for the decomposition of a silicon-containing gas, provision is made, to avoid silicon deposition on an inner wall of a reactor vessel, for at least one catalytically active mesh to be provided within a reaction chamber between at least one gas feed line and the inner wall (4). The mesh accelerates the thermal decomposition of the gas and reduces the deposition of silicon on the inner wall. Also described is a process for the preparation of silicon using the reactor according to the invention and the use in photovoltaics of the silicon prepared.