Fuel cell emergency system
A fuel cell system and fuel cell technology, applied in the direction of fuel cells, fuel cell additives, fuel cell heat exchange, etc., can solve complex problems and achieve high system practicability
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[0029] FIG. 1 shows an example diagram of a ramjet turbine, which mainly includes a rotor 1 and a hydraulic pump 2 . The ramjet turbine is retractable when inactive and opens mechanically in emergency situations such as failure of the engine, onboard hydraulics, or generator. The air flow hits the rotor, generating mechanical energy that drives the hydraulic pump 2 . Due to the complex opening mechanism, it must be able to withstand enormous mechanical stresses, and due to the rotating parts, the ramjet turbine and its installation have a complex mechanical construction. Ram air turbines and their operability are often not permanently monitored and therefore require additional maintenance work.
[0030] Fig. 2 shows a schematic diagram of a fuel cell emergency system according to an exemplary embodiment of the present invention. As clearly shown in Figure 2, the fuel cell emergency system includes metering valves 42, 43, a power distribution unit 46, switches and wires 44, 4...
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