Given that 414b is a blend, what you're describing is THEORETICALLY possible, though.
If that is the case, you're dumping almost PURE liquid into that compressor and it's probably already dead.
Time to start at the beginning and find out WHY you aren't absorbing enough heat in the evaporator to fully boil all of the refrigerant being fed by the TEV.
Dirty? Fans? Oversized valve? Valve stuck open?