发明公开
- 专利标题: PROPELLER FAN
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申请号: EP18186491.9申请日: 2016-07-01
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公开(公告)号: EP3495667A1公开(公告)日: 2019-06-12
- 发明人: NAKASHIMA, Seiji , TERAMOTO, Takuya , YAMAMOTO, Katsuyuki , ADACHI, Yusuke
- 申请人: Mitsubishi Electric Corporation
- 申请人地址: 7-3, Marunouchi 2-chome Chiyoda-Ku Tokyo 100-8310 JP
- 专利权人: Mitsubishi Electric Corporation
- 当前专利权人: Mitsubishi Electric Corporation
- 当前专利权人地址: 7-3, Marunouchi 2-chome Chiyoda-Ku Tokyo 100-8310 JP
- 代理机构: Pfenning, Meinig & Partner mbB
- 主分类号: F04D29/38
- IPC分类号: F04D29/38 ; F04D29/68
摘要:
A propeller fan (100) includes a boss (1) provided on a rotation axis, and a blade (2) provided at an outer circumferential portion of the boss (1). The blade (2) includes a leading edge (23) and a trailing edge (24). The blade (2) includes a first area (51), a second area (52) located inward of the first area (51), and third areas (53) located outward of the second area (52). The third areas (53) are located inward and outward of the first area (51), with the first area interposed between the third areas (53). Each of the first area (51), the second area (52) and the third areas (53) includes at least one notch (25A, 25B, 25C, 25D) formed in the trailing edge (24). The notches (25A, 25B, 25C, 25D) satisfy the relationship "P1 >P2 >P3", where P1 is the width of the at least one notch (25A) in the first area (51), P2 is the width of the at least one notch (25B) in the second area (52), and P3 is the width of the at least one notch (25C, 25D) in each of the third areas (53).
公开/授权文献
- EP3495667B1 PROPELLER FAN 公开/授权日:2020-08-19
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