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Title:
TURBO COMPRESSOR AND REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/129326
Kind Code:
A1
Abstract:
Provided is a turbo compressor comprising: a rotating shaft; a first impeller which is fixed to the rotating shaft and has a first suction port for suctioning an operating fluid and a first discharge port for discharging the operating fluid; a second impeller which is fixed to the rotating shaft and has a second suction port for suctioning the operating fluid and a second discharge port for discharging the operating fluid; a first bearing which is disposed between the first impeller and the second impeller in an axial direction of the rotating shaft and rotatably supports the rotating shaft; and a first flow path for guiding the operating fluid from the first discharge port to the second suction port. The first suction port and the second suction port are opened in the same direction.

Inventors:
SHOYAMA TADAYOSHI
SUN HONGZHI
KAWANO BUNKI
MATSUI MASARU
Application Number:
PCT/JP2019/035115
Publication Date:
June 25, 2020
Filing Date:
September 06, 2019
Export Citation:
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Assignee:
PANASONIC CORP (JP)
International Classes:
F04D29/056; F04D29/05; F04D29/053; F25B1/053
Foreign References:
JP2007315251A2007-12-06
US20080199326A12008-08-21
JPS62176496U1987-11-09
JPS3923078Y11964-08-11
JPH1089283A1998-04-07
US20180195520A12018-07-12
Attorney, Agent or Firm:
TOKUDA Yoshiaki et al. (JP)
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