Title:
ROTARY UNIT
Document Type and Number:
WIPO Patent Application WO/2015/072459
Kind Code:
A1
Abstract:
A rotary unit (RU) is provided with: a supercharger rotating shaft (44); an impeller (50) attached to the supercharger rotating shaft (44), the impeller (50) pressurizing fluid drawn in from the side of one end (44a) of the supercharger rotating shaft (44); and a fastening member (85) for pushing the impeller (50) in the axial direction of the supercharger rotating shaft (44) to secure the impeller (50) to the supercharger rotating shaft (44). The fastening member (85) has in the interior a female screw part (106) threaded with a male screw part (104) of the supercharger rotating shaft (44), and an outer surface (86b) of a distal end part (85a) of the fastening member (85) is formed into a decreasing-diameter shape that continuously and smoothly tapers the farther the fastening member (85) is from the impeller (50).
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Inventors:
NARUOKA SHOHEI (JP)
ICHI SATOAKI (JP)
ICHI SATOAKI (JP)
Application Number:
PCT/JP2014/079871
Publication Date:
May 21, 2015
Filing Date:
November 11, 2014
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
F04D29/28; F02B33/40; F02B39/00
Domestic Patent References:
WO2002001075A1 | 2002-01-03 |
Foreign References:
JPS63141801U | 1988-09-19 | |||
JP2005214057A | 2005-08-11 | |||
JP2001241394A | 2001-09-07 | |||
JP2000034993A | 2000-02-02 | |||
JPH07109902A | 1995-04-25 | |||
JP2010174807A | 2010-08-12 | |||
JPS52164702U | 1977-12-14 | |||
JP2014034935A | 2014-02-24 | |||
JPS58148299U | 1983-10-05 | |||
JPH03500319A | 1991-01-24 |
Other References:
See also references of EP 3070338A4
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
Shuji Sugimoto (JP)
Shuji Sugimoto (JP)
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