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Patent Searching and Data


Title:
DUCT VENTILATION FAN
Document Type and Number:
WIPO Patent Application WO/2019/159359
Kind Code:
A1
Abstract:
A duct ventilation fan (100) comprises: a ventilation fan main body (2) on the bottom surface of which is provided an air current suction opening; a cosmetic grill (10) detachably mounted on the ventilation fan main body and covering the bottom surface of the ventilation fan main body (2); and two cosmetic grill springs (11) that secure the cosmetic grill (10) to the ventilation fan main body (2), the cosmetic grill (10) having a first-spring-securing component securing part and a second-spring-securing component securing part, which are structure parts for securing the springs to which the two cosmetic grill springs (11), respectively, are fixed, the first-spring-securing component securing part and the second-spring-securing component securing part having mutually different shapes.

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Inventors:
TAKASE, Tsuyoshi (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
NAGASAKI, Daisuke (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
MASUDA, Kenji (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
KUSHIHARA, Akihiro (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2018/005733
Publication Date:
August 22, 2019
Filing Date:
February 19, 2018
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
F24F7/10
Attorney, Agent or Firm:
TAKAMURA, Jun (Sakai International Patent Office, Toranomon Mitsui Building 8-1, Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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