Title:
VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/238351
Kind Code:
A1
Abstract:
This valve device (100) comprises a valve body (5), a passage-forming member (30), a valve (2), a valve drive shaft (3), and bearings (8, 9). The passage-forming member (30) faces the valve body (5) through a prescribed gap (K) in the inner diameter direction of the passage-forming member (30). The valve body (5) has a stepped section (5a) protruding in the inner diameter direction on an inner wall adjacent to a location of a hollow section (32) where the passage-forming member (30) is attached. An end surface of one end of the passage-forming member (30) in the axial direction is disposed to face the stepped section (5a) in the axial direction, and the bearings (8, 9) are disposed radially outward of the passage-forming member (30) with respect to the gap (K).
Inventors:
HATSUZAWA HIDEFUMI (JP)
TANAKA TAKUYA (JP)
KAWANO MAKOTO (JP)
MURAMATSU NAOJIRO (JP)
TANAKA TAKUYA (JP)
KAWANO MAKOTO (JP)
MURAMATSU NAOJIRO (JP)
Application Number:
PCT/JP2022/023364
Publication Date:
December 14, 2023
Filing Date:
June 09, 2022
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
F02D9/10
Foreign References:
| JPH10176552A | 1998-06-30 | |||
| JPH048834A | 1992-01-13 |
Attorney, Agent or Firm:
KAICHI IP (JP)
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