DUAL-PURPOSE CIRCULATING PURIFIER

WIPO Patent Application WO/2019/037493

A1

Disclosed is a dual-purpose circulating purifier, comprising a housing (1), an oil fume purifying device (2), a fresh air supplying device (3) and a double-wing baffle device (4). The oil fume purifying device (2) comprises an oil fume suction opening (21), a first air outlet (22), a grease separator (23), an oil fume suction cavity (24), a first fan (25), a flue gas purifying chamber (26) and a flue gas purifying filter layer (27). The fresh air supplying device (3) comprises an air suction opening (31), a second air outlet (32), a dust stopping device (33), an air suction cavity (34), a second fan (35), a gas purifying chamber (36) and a gas purifying filter layer (37). The double-wing baffle device (4) comprises a first baffle (411) and a second baffle (421). An upper end of the first baffle (411) is rotatably fixed to an upper part of the oil fume suction opening (21), and an upper end of the second baffle (421) is rotatably fixed to an upper part of the air suction opening (31). The dual-purpose circulating purifier can both purify oil fume waste gas in a room and provide purified fresh air for the room, thereby greatly improving the air quality.

HE WEIBIN (CN)
HE YANG (CN)
HE MIN (CN)

PCT/CN2018/087983

February 28, 2019

May 23, 2018

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SHANGHAI DUOHUAN OIL SMOKE PURIFICATION EQUIPMENT CO LTD (CN)

F24C15/20; F24F7/007

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CN205536029U	2016-08-31
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CN206291411U	2017-06-30
CN1766427A	2006-05-03
CN102410570A	2012-04-11
JP2000081216A	2000-03-21
US3698378A	1972-10-17
CN201710729954U

See also references of EP 3637001A4

BEIJING GAOWO LAW FIRM (CN)

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