Title:
VALVE TIMING CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2020/054242
Kind Code:
A1
Abstract:
This valve timing control device is provided with: a large-diameter annular groove (43) formed in an axial end surface of the cylindrical section (41) of a housing body (4) so as to face a front plate (not shown), which is a plate member; a first small-diameter annular groove (S12) formed in an axial end surface of a first shoe (S1) so as to face the front plate (not shown) and surrounding a first shoe hole section (S11); a large-diameter annular seal ring (90) disposed in the large-diameter annular groove (43) and airtightly sealing between the large-diameter annular groove (43) and the front plate (not shown); and a first small-diameter annular seal ring (91) disposed in the first small-diameter annular groove (S12) and airtightly sealing between the first small-diameter annular groove (S12) and the front plate (not shown). As a result of this configuration, the large-diameter annular seal ring (90) and the first small-diameter annular seal ring (91) can be prevented from being incorrectly mounted.
Inventors:
SHINOMIYA TORU (JP)
Application Number:
PCT/JP2019/030151
Publication Date:
March 19, 2020
Filing Date:
August 01, 2019
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F01L1/356; F01L1/04
Foreign References:
| JP2000240414A | 2000-09-05 | |||
| JP2010203233A | 2010-09-16 | |||
| JP2005154796A | 2005-06-16 | |||
| JPS60149805U | 1985-10-04 | |||
| US6948467B2 | 2005-09-27 |
Attorney, Agent or Firm:
KOBAYASHI, Hiromichi et al. (JP)
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