Abstract: There is disclosed a fuel cell assembly comprising at least one horizontally arranged fuel cell stack that has numerous fuel cells, each comprising an anode, a cathode and an electrolyte situated between the anode and the cathode; combustible gas supply means for supplying combustible gas to the anodes of the fuel cells; anode gas withdrawal means for withdrawing the anode exhaust gas from the anodes; cathode gas supply means for supplying cathode gas to the cathodes of the fuel cells; cathode gas withdrawal means for withdrawing the cathode exhaust gas from the fuel cells; and recirculation means for recirculating at least one part of the anode exhaust gas and/or the cathode exhaust gas to cathodes of the fuel cells.

Abstract: This invention relates to a shade arrangement for a motor vehicle with at least two shades having lengths of shade material (10a, 10b), which are located next to one another and to one end of which a respective pull (14a, 14b) is attached. Both of the lengths of shade material (10a, 10b) are drawn out and taken up in the same direction at their opposite end from/onto a common roller tube (12) which is pretensioned in the take-up direction.

Abstract: There is disclosed a fuel cell assembly comprising: at least one horizontally arranged fuel cell stack that has numerous fuel cells, each comprising an anode, a cathode and an electrolyte situated between the anode and the cathode; combustible gas supply means for supplying combustible gas to the anodes of the fuel cells; anode gas withdrawal means for withdrawing the anode exhaust gas from the anodes; cathode gas supply means for supplying cathode gas to the cathodes of the fuel cells; cathode gas withdrawal means for withdrawing the cathode exhaust gas from the fuel cells; and recirculation means for recirculating at least one part of the anode exhaust gas and/or the cathode exhaust gas to cathodes of the fuel cells. The fuel cell assembly according to the invention is characterised in that the assembly consists of modular sub-assemblies that are independent of one another and that communicate with one another via standardised interfaces.

Abstract: There is disclosed a fuel cell assembly comprising at least one horizontally arranged fuel cell stack that has numerous fuel cells, each comprising an anode, a cathode and an electrolyte situated between the anode and the cathode; combustible gas supply means for supplying combustible gas to the anodes of the fuel cells; anode gas withdrawal means for withdrawing the anode exhaust gas from the anodes; cathode gas supply means for supplying cathode gas to the cathodes of the fuel cells; cathode gas withdrawal means for withdrawing the cathode exhaust gas from the fuel cells; and recirculation means for recirculating at least one part of the anode exhaust gas and/or the cathode exhaust gas to cathodes of the fuel cells.

Abstract: A fuel cell arrangement (1) with an end plate (4), a fuel cell (2) adjoining in a longitudinal direction, as well as a longitudinal seal (9) and a transverse seal (10), where the transverse seal (10) extends in a transverse direction along the end plate (4) and where the longitudinal seal (9) extends along the fuel cell (2) and the end plate (4) in a longitudinal direction as far as the transverse seal (10), where for sealing an open crack in the area between the end plate (4), the fuel cell (2), the transverse seal (9) and the longitudinal seal in transverse direction, a sealing cheek (12) is pressed via a flexible pressing element (18) against a vertically supported projection (13), as well as the end plate (4) and the fuel cell (2), where the sealing cheek (12) forms a in the direction of the fuel cell (2) and of the end plate (4) a sliding surface (16, 24, 26, 28, 29) and where the sealing cheek (12) has a contact section (15) corresponding with a contact section (14) of the projection (13).

Abstract: A fuel cell arrangement having fuel cells situated in the form of a fuel cell stack, which each contain an anode and a cathode and an electrolyte matrix situated between them, having an anode intake, which is provided on one side of the fuel cell stack, for the supply of fresh combustion gas to the anodes and an anode outlet for the discharge of consumed combustion gas from the anodes, the combustion gas being guided inside the fuel cells in a predetermined main flow direction past the anodes, having reformer units for converting a fuel supplied to the reformer units at a fuel inlet into reformer fuel, which is discharged from the reformer units at a reformer fuel outlet, the reformer units being situated between adjacent fuel cells in thermal contact therewith, and the reformer fuel outlet of the reformer units opening on the side of the fuel cell stack, on which the anode intake of the fuel cells is located, and having a fuel discharge system for distributing the fuel to be reformed to the individual reform

Abstract: A heat-sensitive recording medium is presented, comprising a substrate (2) with a first side and a second side remote therefrom a heat-sensitive recording layer (4) which is placed on the first side of the substrate (2) and comprises at least one colorant precursor and colour acceptor, the colorant precursor and colour acceptor reacting with one another under the influence of heat to form a colour, a printed protective layer (9) which covers the recording layer (4), is crosslinkable and crosslinked under the influence of energy-rich radiation and is based on (meth)acrylates, characterised in that the protective layer (9) contains from 65 to 95% by weight of one or more (meth)acrylates, selected from the group comprising polyether(meth)acrylate, epoxy(meth)acrylate and urethane(meth)acrylate from 0 to 20% by weight of photoinitiators and from 0.

Abstract: The invention relates to a sealing device for a fuel cell arrangement having a plurality of fuel cells combined to form a fuel cell stack (10), said fuel cells being permeable by the gas flows converted in the fuel cells transversely to the longitudinal direction of the fuel cell stack (10), and a gas distributor (20) provided on the longitudinal side of the fuel cell stack (10) for the supply and removal of the gas flows converted in the fuel cells, wherein the sealing device comprises a sealing frame (31) having a number of longitudinal sealing elements (32, 33, 34) disposed between the longitudinal edge of the gas distributor (20) and the fuel cell stack (10) and composed of a dielectric material, said sealing elements being disposed in a longitudinally movable fashion for the compensation of particularly thermally caused relative movements between the fuel cell stack (10) and the gas distributor (20).

Abstract: A power switch disposed in a housing includes a contact breaker configured to connect and disconnect a low-voltage switchgear from a power source supplying the low-voltage switchgear, a triggering device configured to disconnect the low-voltage switchgear in an overload event, a current detection device, a control device, a first evaluation device configured to evaluate an accidental arc overcurrent, and a second evaluation device configured to evaluate the accidental arc overcurrent. The power switch is configured to be activated via an overcurrent signal generated by an arc monitoring system in response to the accidental arc overcurrent. The overcurrent signal is linked to the at least one triggering signal. The second evaluation has a threshold above a threshold of the first evaluation device. The triggering device is configured to be activated via a turn-off pulse when a signal from the current detection device is above the threshold of the second evaluation device.

Abstract: A power supply device, particularly for an airplane, has a control unit that is provided to match a current path to a voltage curve. An embodiment relates to a rectifier with power factor correction in the form of a step-up converter with switchable (startup) current limitation.

Abstract: This invention relates to a shade arrangement for a motor vehicle with at least two shades having lengths of shade material (10a, 10b), which are located next to one another and to one end of which a respective pull (14a, 14b) is attached. Both of the lengths of shade material (10a, 10b) are drawn out and taken up in the same direction at their opposite end from/onto a common roller tube (12) which is pretensioned in the take-up direction.

Abstract: A process and tool for producing a composite body part for a motor vehicle, especially for producing a roof module, the tool having a first tool part and a second tool part which are movable relative to one another. The outer skin is inserted in the first tool part, at least part of the peripheral edge area of the side of the outer skin facing the first tool part being moved into sealing contact with a seal arrangement which is provided on the first tool part, plastic material is applied to the side of the outer skin facing away from the first tool part, the second tool part provision shaping the plastic material, and the composite body part being released from the seal arrangement and removed from the tool.