Title:
MINIATURE BLOWER
Document Type and Number:
WIPO Patent Application WO/2016/184405
Kind Code:
A1
Abstract:
A miniature blower, comprising an impeller (1), a motor (2), a rotating connecting piece (3) and a mixed-type dynamic pressure gas radial bearing (4). The motor comprises a rotor (21), a stator (22), a rotary shaft (23), an end cover (24) and a housing (25), the housing (25) being an annular cylindrical structure formed of an inner cylinder and an outer cylinder and having two cavities, the rotating connecting piece (3) being a cylindrical structure having a single cavity, the rotating connecting piece being sleeved on the rotary shaft (23) near to the impeller (1), and being respectively fitted with and connected to the impeller (1) and an end portion of the rotary shaft (23), a side portion (31) of the rotating connecting piece being located within a cavity formed by the outer cylinder (251) and the inner cylinder (252) of the housing. The mixed-type dynamic pressure gas radial bearing (4) and the rotary shaft (23) are located within a cavity of the inner cylinder (252) of the housing, and the mixed-type dynamic pressure gas radial bearing (4) is sleeved on the rotary shaft (23). The stator (22) is fixed on an outer wall of the inner cylinder (252) of the housing, and the rotor (21) is fixed on an inner wall of the side portion (31) of the rotating connecting piece (3). The blower implements an ultra-high speed operation in an air state, and with regard to identical power requirements, the size of the blower is significantly reduced for miniaturisation.
Inventors:
LUO LIFENG (CN)
Application Number:
PCT/CN2016/082699
Publication Date:
November 24, 2016
Filing Date:
May 19, 2016
Export Citation:
Assignee:
LUO LIFENG (CN)
International Classes:
F04D25/08
Foreign References:
| JP2011047388A | 2011-03-10 | |||
| CN104895924A | 2015-09-09 | |||
| CN104895917A | 2015-09-09 | |||
| CN105202018A | 2015-12-30 | |||
| CN105202027A | 2015-12-30 | |||
| CN102200136A | 2011-09-28 | |||
| CN204082684U | 2015-01-07 | |||
| CN2191308Y | 1995-03-08 | |||
| JP2002039096A | 2002-02-06 | |||
| JPH01290999A | 1989-11-22 | |||
| CN103670672A | 2014-03-26 |
Attorney, Agent or Firm:
SHANGHAI HISONG IP LAW FIRM (GENERAL PARTNERSHIP) (CN)
上海海颂知识产权代理事务所（普通合伙） (CN)
上海海颂知识产权代理事务所（普通合伙） (CN)
Download PDF: