I don't know whether the category fits, probably not, but I couldn't find a better one

The CRE700 is a converted Bombardier CRJ700 with EchoAir200 double-fan electric engines:

Here is a closeup of the engine:

The orange marked parts are the two fans which are powered by the electric engine between them. The nacelle around them leads to a lower noise pollution (ducted propeller fan, as used also on the Edgley Optica).

the front fan

the interior.
Now, what do you think of this?
