Title:
BOLT-FASTENING STRUCTURE AND TURBOMACHINE USING SAME
Document Type and Number:
WIPO Patent Application WO/2015/029576
Kind Code:
A1
Abstract:
The bolt-fastening structure according to the present invention is provided with a first member (108) having a bolt hole (111), a second member (109) having a female screw part (118), a bolt (106) inserted into the bolt hole (111) and the female screw part (118) to fasten the first member (108) and the second member (109) together, and a nut (107) arranged on the first member (108) and having a convex part (113) protruding toward the second member (109). When the length direction of the bolt (106) is an axial direction, the convex part (113) of the nut (107) has a cross-sectional area perpendicular to the axial direction that is greater than the cross-sectional area perpendicular to the axial direction of the bolt (106). The second member (109) has a bolt hole (112) in the first member (108)-side of the female screw part (118), and the length of the bolt hole (112) is greater than the protruding length of the convex part (113) of the nut (107).
Inventors:
TANNO YOHEI (JP)
HASHIMOTO TAIJI (JP)
MATSUNAGA HIROYUKI (JP)
NARUSE TOMOHIRO (JP)
HASHIMOTO TAIJI (JP)
MATSUNAGA HIROYUKI (JP)
NARUSE TOMOHIRO (JP)
Application Number:
PCT/JP2014/067168
Publication Date:
March 05, 2015
Filing Date:
June 27, 2014
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
F16B5/02; F01D25/24; F16B31/04
Foreign References:
| JPH10103325A | 1998-04-21 | |||
| JP2010121498A | 2010-06-03 | |||
| JPS6363506U | 1988-04-26 | |||
| JPS63138405U | 1988-09-12 |
Attorney, Agent or Firm:
POLAIRE I. P. C. (JP)
Polaire Intellectual Property Corporation (JP)
Polaire Intellectual Property Corporation (JP)
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