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
ITO SHOGO
TAKEUCHI KAHO
Application Number:
JP2017068903A
Publication Date:
November 01, 2018
Filing Date:
March 30, 2017
Export Citation:
Assignee:
TOYOTA IND CORP
International Classes:
F04D29/053; F04D29/063; F16H13/04
Domestic Patent References:
| JP2016183751A | 2016-10-20 | |||
| JP2015140682A | 2015-08-03 | |||
| JPS5299416A | 1977-08-20 | |||
| JPS5282958U | 1977-06-21 | |||
| JPS5382807U | 1978-07-08 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda