For consequences, you get fate points at the end of the fight, if you lose and one fate point per consequence. You get no fate points during the encounter and no fate points of you win.
Not quite, you only get the fate points if you concede, which is essentially laying down and giving up instead of fighting until you are taken out.-edit-
To clarify things, since there are multiple situations you can get fate points, lets work out an example.
Johnny gets his leg broken, he tries to run away, and the gm compels his
Broked Leg aspect. He accepts the compel, and cant run for the rest of the scene. He continues to fight however, since its the only thing he has left to do. He take a mild consequence
Beaten, and Bruised, and a moderate Consequence
I'll Be Pissing Blood.
Now, hes got a full suite of consequences (aside from the extreme, but usually, you wont fight to the extreme consequence), he still has an open stress box, (Lets say he has P XXXO, hes a tuff dude, after all).
Now, Johnny realizes that this isn't going to end well, either way, so he Concedes, and passes out from the pain (he could have kept on fighting, but it was pretty clear he was going down anyway). Johnny gets 3 fate points (one for each consequence he took), totaling four from the whole ordeal (remember the
Broked Leg compel).
(Johnny didn't have to concede, he can still cash out as deadmanwalking mentions below.)
Most likely, if a consequence is going to last longer than a scene, Id say it can award a fate point
once per scene, but you still suffer the effects of the compel
for each whole scene it was compelled in.