Japan, Feb. 27 -- HATAKEYAMA AKIHIRO has got intellectual property rights for 'SUCTION DEVICE.' Other related details are as follows:
Application Number: JP,2022-007401
Category (FI): F04D25/16,F04D29/54@D,F04D29/54@F,F24F13/06@A,F24F13/08@A,F24F13/10@A,F24F7/06@A,F24F9/00@E
Stage: PROBLEM TO BE SOLVED: To provide a suction device that stably forms an air curtain for enclosing a wide range, can efficiently suck the enclosed range by a tornado flow, and has excellent manufacturing easiness and designability.SOLUTION: A suction device for performing local exhaust includes: a suction flow passage 10 that has a suction port in the end in a direction of a suction object 90 and allows a suction flow to flow; a suction fan 20 for generating a s...