Title:
HARVESTER FAN
Document Type and Number:
WIPO Patent Application WO/2022/142002
Kind Code:
A1
Abstract:
A harvester fan, comprising a fan housing (3f), a fan structure and a fan driver, wherein the fan structure is mounted in a cylindrical mounting cavity of the fan housing; two ends of the fan housing in an axial direction are respectively provided with a first air inlet (31f) in communication with the outside; a side wall of the fan housing (3f) is provided with an air outlet (33f) in the axial direction of the fan housing; the width of the air outlet (33f) is the same as that of the mounting cavity; the side wall of the fan housing (3f) that is opposite the air outlet (33f) is provided with a second air inlet (32f) in a circumferential direction of the fan housing; and in the axial direction of the fan housing (3f), the second air inlet (32f) is located in the middle of the fan housing (3f). The middle of the fan housing (3f) is provided with the second air inlet (32f), such that the second air inlet and the first air inlets (31f) at the two ends of the fan housing (3f) form three air inlets that are evenly distributed in the fan housing, thus making air intake more uniform while providing a sufficient air intake amount.
Inventors:
WANG JUN (CN)
XING LICHENG (CN)
WANG XINYAO (CN)
XING LICHENG (CN)
WANG XINYAO (CN)
Application Number:
PCT/CN2021/090156
Publication Date:
July 07, 2022
Filing Date:
April 27, 2021
Export Citation:
Assignee:
JIANGSU WORLD AGRICULTURAL MACHINERY CO LTD (CN)
International Classes:
A01F12/44; F04D29/28
Foreign References:
| CN112655382A | 2021-04-16 | |||
| CN112690086A | 2021-04-23 | |||
| CN112628175A | 2021-04-09 | |||
| CN203641107U | 2014-06-11 | |||
| CN203181618U | 2013-09-11 | |||
| CN205546560U | 2016-09-07 | |||
| CN103821756A | 2014-05-28 | |||
| CN102714984A | 2012-10-10 | |||
| EP3208466A1 | 2017-08-23 | |||
| US2849118A | 1958-08-26 | |||
| US4884993A | 1989-12-05 |
Attorney, Agent or Firm:
SUNSHINE INTELLECTUAL PROPERTY INTERNATIONAL CO., LTD. (CN)
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