Title:
LIGHT-EMITTING CEILING FAN HAVING HIDDEN BLADES
Document Type and Number:
WIPO Patent Application WO/2019/095470
Kind Code:
A1
Abstract:
A light-emitting ceiling fan having hidden blades comprises a bottom plate (4), a motor upper cover (3), a blade return mechanism (8), blades (1), and a tension spring (7). A turntable (2) is fixed on an upper surface of the bottom plate (4). A motor assembly (10) is provided inside the motor upper cover (3) and is connected to the turntable (2). The turntable (2) is provided with a blade fixing plate (11). The blades (1) are fastened to an outer edge of the blade fixing plate (11). A rotary position-limiting plate (9) is rotatably provided on the blade fixing plate (11). The rotary position-limiting plate (9) is provided with an arc-shaped slot. The blade return mechanism (8) is connected to and engages with the blade fixing plate (11) and the rotary position-limiting plate (9). Two ends of the tension spring (7) are respectively connected to the turntable (2) and the rotary position-limiting plate (9). The light-emitting ceiling fan provides optimum air volume and produces low noise.
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JPS58138300 | BLADE PITCH VARYING UNIT OF FAN |
Inventors:
ZHOU ZUHONG (CN)
MIU PING (CN)
LIU YI (CN)
MIU PING (CN)
LIU YI (CN)
Application Number:
PCT/CN2017/115348
Publication Date:
May 23, 2019
Filing Date:
December 09, 2017
Export Citation:
Assignee:
ZHONGSHAN FENGMEI LIGHTING TECH CO LTD (CN)
International Classes:
F04D29/36; F04D25/08
Foreign References:
CN106870415A | 2017-06-20 | |||
CN204646788U | 2015-09-16 | |||
CN205937165U | 2017-02-08 | |||
CN106762719A | 2017-05-31 | |||
CN204663922U | 2015-09-23 | |||
CN204099288U | 2015-01-14 | |||
US2079942A | 1937-05-11 |
Attorney, Agent or Firm:
BEIJING SHENGFANZHIRONG INTELLECTUAL PROPERTY AGENCY CO. LTD (CN)
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