Title:
BLOWER
Document Type and Number:
WIPO Patent Application WO/2023/100557
Kind Code:
A1
Abstract:
This blower comprises: a housing having a recessed portion; a sleeve which has a first through-hole and which is disposed in the recessed portion; a cap which has a second through-hole and which is disposed above the sleeve; a shaft penetrating through the first through-hole and the second through-hole; a propeller connected to the shaft; and lubricating oil accommodated in the recessed portion. A first gap is formed between an outside surface of the shaft and an inside surface of the sleeve. A second gap is formed between an outside surface of the sleeve and an inside surface of the housing. A third gap is formed between a lower surface of the cap and an upper surface of the sleeve. A first distance of the third gap, which is a distance between an outside surface of the cap and the sleeve, is smaller than a second distance of the third gap, which is a distance between an inside surface of the cap and the sleeve.
Inventors:
KURITA TSUYOSHI
Application Number:
PCT/JP2022/040174
Publication Date:
June 08, 2023
Filing Date:
October 27, 2022
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F04D29/056
Domestic Patent References:
| WO2008139797A1 | 2008-11-20 |
Foreign References:
| KR20130123049A | 2013-11-12 | |||
| JP2005114165A | 2005-04-28 | |||
| JP2005027431A | 2005-01-27 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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