Title:
SHAFT SEAL STRUCTURE, COMPRESSOR, AND REFRIGERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/067967
Kind Code:
A1
Abstract:
A shaft seal structure (90) comprises: a shaft seal housing (91) having an insertion hole (92) through which a rotary shaft (41) is inserted; a flexible cylindrical thin plate (93) accommodated in the insertion hole (91); and a support (97) that is disposed between the shaft seal housing (91) and the thin plate (93), and that elastically supports the thin plate (93). The thin plate (93) is opposed to the rotary shaft (41) with a gap (G2) formed between the thin plate (93) and the rotary shaft (41). The support (97) restricts the flow of fluid in a direction along the rotary shaft (41).
Inventors:
NISHIMURA KOSUKE (JP)
OMORI NAOMICHI (JP)
FUKUDA DAIGO (JP)
OMORI NAOMICHI (JP)
FUKUDA DAIGO (JP)
Application Number:
PCT/JP2022/034828
Publication Date:
April 27, 2023
Filing Date:
September 16, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F04D29/12; F16J15/18; F16J15/44
Domestic Patent References:
| WO2018155318A1 | 2018-08-30 | |||
| WO2017014316A1 | 2017-01-26 |
Foreign References:
| JP2007162493A | 2007-06-28 | |||
| JP2012251605A | 2012-12-20 | |||
| JP2010014051A | 2010-01-21 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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