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Title:
CENTRIFUGAL COMPRESSOR
Document Type and Number:
Japanese Patent JP2018168828
Kind Code:
A
Abstract:
To reduce agitation resistance.SOLUTION: A speed-increasing gear 60 for coupling an impeller and an electric motor comprises a speed-increasing gear housing 23, and a speed-increasing mechanism 61 housed in the speed-increasing gear housing 23. The speed-increasing mechanism 61 includes a ring member 62 coupled to a second end 11b of a low-speed side shaft 11. The ring member 62 includes an annular part 64. One part of a high-speed side shaft 12 is arranged inside the annular part 64. The speed-increasing mechanism 61 is provided between the high-speed side shaft 12 and the annular part 64, and includes three rollers 71 contacting both of the annular part 64 and the high-speed side shaft 12. The speed-increasing gear 60 includes a partition wall 90 arranged between an inner face of the speed-increasing gear housing 23 in a radial direction of the annular part 64, and the annular part 64.SELECTED DRAWING: Figure 2

Inventors:
FUKUYAMA RYOSUKE
ITO SHOGO
TAKEUCHI KAHO
Application Number:
JP2017068903A
Publication Date:
November 01, 2018
Filing Date:
March 30, 2017
Export Citation:
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Assignee:
TOYOTA INDUSTRIES CORP
International Classes:
F04D29/053; F04D29/063; F16H13/04
Attorney, Agent or Firm:
恩田 誠
恩田 博宣



 
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