Title:
AIR TURBINE DRIVING SPINDLE
Document Type and Number:
WIPO Patent Application WO/2018/025579
Kind Code:
A1
Abstract:
An air turbine driving spindle (200) is provided with a rotating shaft (1), a bearing part (2), a damper ring (50), a cover member (5), and one or more O rings (24). The bearing part (2) encloses at least part of the outer peripheral surface of the rotating shaft (1). The damper ring (50) is disposed on the outer peripheral side of the bearing part (2) with an air gap (44) interposed therebetween. The cover member (5) is disposed on the outer peripheral side of the damper ring (50) with an air gap (43) interposed therebetween, the cover member (5) accommodating the rotating shaft (1), the bearing part (2), and the damper ring (50). The one or more O rings (24) are disposed in each of the air gap (43) and the air gap (44).
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Inventors:
HORIUCHI TERUYOSHI (JP)
Application Number:
PCT/JP2017/024909
Publication Date:
February 08, 2018
Filing Date:
July 07, 2017
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C27/02; F01D15/06; F01D25/00; F01D25/16; F16C32/06; F16J15/10
Domestic Patent References:
| WO2013079896A1 | 2013-06-06 |
Foreign References:
| JPS5085650U | 1975-07-22 | |||
| JPS5392595A | 1978-08-14 | |||
| JP2002295470A | 2002-10-09 | |||
| JP2008138850A | 2008-06-19 | |||
| JP2010261505A | 2010-11-18 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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