Title:
POWER TRANSMISSION DEVICE, LAUNDRY TREATMENT APPARATUS AND CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/217956
Kind Code:
A1
Abstract:
Disclosed are a power transmission device (1), a laundry treatment apparatus and a control method therefor. The power transmission device (1) comprises a bottom plate assembly (11), a power input shaft (12), a gear speed-reducing mechanism (13), a pulsator shaft (14), a water removal shaft (15) and a magnetorheological fluid clutch (16), wherein the gear speed-reducing mechanism (13) is arranged on a second side of the bottom plate assembly (11); a second end of the pulsator shaft (14) and the power input shaft (12) perform power transmission by means of the gear speed-reducing mechanism (13); the magnetorheological fluid clutch (16) is arranged on the second side of the bottom plate assembly (11); magnetorheological fluid (161) is encapsulated in the magnetorheological fluid clutch (16); the power input shaft (12) penetrates the magnetorheological fluid (161); and a second end of the water removal shaft (15) and the power input shaft (12) are switched between driving connection and disconnection by means of the magnetorheological fluid clutch (16). The power transmission device (1) has a simple structure and a low failure rate; the magnetorheological fluid clutch (16) is arranged on the second side of the bottom plate assembly (11) away from a water-containing tub, such that the requirement for the waterproof level of the magnetorheological fluid clutch (16) can be lowered; and in addition, the available installation space is large, facilitating installation.
Inventors:
ZHANG TAO (CN)
LI YADONG (CN)
LI YADONG (CN)
Application Number:
PCT/CN2020/109509
Publication Date:
November 04, 2021
Filing Date:
August 17, 2020
Export Citation:
Assignee:
WUXI LITTLE SWAN ELECTRIC CO LTD (CN)
International Classes:
D06F37/40; D06F33/40; D06F105/46
Foreign References:
| CN107245844A | 2017-10-13 | |||
| CN104074028A | 2014-10-01 | |||
| CN209537856U | 2019-10-25 | |||
| EP3626875A1 | 2020-03-25 | |||
| KR20000021682A | 2000-04-25 | |||
| CN208250689U | 2018-12-18 |
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
Download PDF: