(57) A propeller fan (1) for a heat source unit (11) is provided with a plurality of blades
(4, 5, 6) fixed to a hub (3) on a rotation axis (2) of the fan (1), in which each
of the blades (4, 5, 6) has a recess portion (4b, 5b, 6b) formed in a blade rear edge
section (4a, 5a, 6a), in fan rotating direction, as air blow-out portion during rotation
of the fan (1), and the recess portions (4b, 5b, 6b) of the respective blades (4,
5, 6) are recessed in a direction opposite to air blow-out direction and are different
in sizes thereof.
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