Title:
ROTARY MACHINE
Document Type and Number:
WIPO Patent Application WO/2018/043338
Kind Code:
A1
Abstract:
An electric compressor 1 that is provided with: a bearing 20B that supports a rotary shaft 12 of a compressor impeller 8; a support wall part 23 that supports the outer circumference of the bearing 20B; a key groove 60 that is formed in the bearing 20B and the support wall part 23 and extends along a rotary shaft line X direction of the rotary shaft 12; and a key member 70 that is inserted into the key groove 60. The support wall part 23 is provided with an outer regulating part 42a that can contact one end part 70a of the key member 70 inside the key groove 60. An outer ring 51 of the bearing 20B is provided with an inner regulating part 61a that can contact another end part 70b of the key member 70 inside the key groove 60. The distance D between the outer regulating part 42a and the inner regulating part 61a is longer than the length L of the key member 70 in the rotary shaft line X direction.
Inventors:
IIZUKA KUNIAKI (JP)
YOSHIDA TAKASHI (JP)
SASAKI YUJI (JP)
INOMATA TATSUMI (JP)
OZASA TAKUYA (JP)
YUMOTO RYOSUKE (JP)
MORI TAKASHI (JP)
YOSHIDA TAKASHI (JP)
SASAKI YUJI (JP)
INOMATA TATSUMI (JP)
OZASA TAKUYA (JP)
YUMOTO RYOSUKE (JP)
MORI TAKASHI (JP)
Application Number:
PCT/JP2017/030558
Publication Date:
March 08, 2018
Filing Date:
August 25, 2017
Export Citation:
Assignee:
IHI CORP (JP)
International Classes:
F04D29/056; F04D29/059; F16C19/06; F16C33/58; F16C35/077
Foreign References:
| JPH0632749U | 1994-04-28 | |||
| JP2015007451A | 2015-01-15 | |||
| JP2003013981A | 2003-01-15 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Download PDF: