regenerative fan; vortex flow fan
A type of fan that uses a regenerative or vortex flow principle, often used in industrial or HVAC applications.
This device uses a regenerative fan.
A vortex flow fan generates a high-pressure airflow.
Standard technical spelling using kanji 渦流 (vortex flow) and katakana ファン (fan).
Mixed kana-kanji spelling; rarely used and may appear in informal or abbreviated contexts.
Compound of 渦流 (かりゅう, 'vortex flow') and ファン ('fan'), a direct calque of the English technical term.