AIR CONDITIONER
An inner guide plate is located inside blade portions (10c) of a fan (10) and has an inner guide plate surface (21a) that guides air. An outer guide plate is located outside the blade portions and has an outer guide plate surface (22a) that guides the air guided by the inner guide plate surface towa...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | An inner guide plate is located inside blade portions (10c) of a fan (10) and has an inner guide plate surface (21a) that guides air. An outer guide plate is located outside the blade portions and has an outer guide plate surface (22a) that guides the air guided by the inner guide plate surface toward a discharge port of the fan. In each of predetermined cross sections perpendicular to a rotation axis (CL) of the fan, a reference line (L2) is a line connecting the rotation axis and an outer guide end (22aa) of the outer guide surface that is a radially inner end. In each of the predetermined cross sections, a guide line (L1) is a line connecting the rotation axis and an inner guide end (21aa) of the inner guide surface that is a radially outer end. In each of the predetermined cross sections, a phase difference angle (PA11, PA12, PA21, PA22) is an angle between the guide line and the reference line in a rotation direction (DR1) of the fan. The phase difference angles of the predetermined cross sections are different from each other. |
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