公开(公告)号：US20170184125A1

公开(公告)日：2017-06-29

申请号：US15324338

申请日：2015-07-03

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Kazuyasu MATSUI ,  Shimei TEI ,  Tooru IWATA ,  Shigeyuki TAKAOKA

IPC: F04D29/54 ,  F24F1/00 ,  F04D29/66 ,  F04D19/00 ,  F04D29/38

Abstract: A propeller fan includes a rotary blade hub driven in rotation about a rotation axis, and a rotary blade installed at an outer periphery of the rotary blade hub. The rotary blade includes a rotary blade body protruding from an outer peripheral surface of the rotary blade hub, and a rib formed on an outer peripheral edge portion of a pressure surface of the rotary blade body so as to extend along an outer peripheral edge of the rotary blade body.