Title:
HYDRAULIC OIL CONTROL VALVE AND VALVE TIMING ADJUSTMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/196404
Kind Code:
A1
Abstract:
A hydraulic oil control valve 10, 10a, 10b, 10c, 10e disposed along a rotational axis AX of a valve timing adjustment device 100 is provided with a sleeve 20, a spool 50, 50b, 50e, a movement-restricting part 80, 80b, 80c, and a fixing member 70, 70b, 70d, 70e, 70f. The sleeve has an inner sleeve 40, 40b, 40c, 40e and an outer sleeve 30, 30a, 30b, 30c, 30e, and the fixing member is fixed to an actuator-side end part of the outer sleeve and is configured so as to be capable of restricting circumferential rotation of the inner sleeve relative to the outer sleeve and capable of restricting both the inner sleeve and the spool from loosening from the outer sleeve along the axial direction toward the actuator.
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Inventors:
KAWAMURA FUTOSHI (JP)
Application Number:
PCT/JP2020/012720
Publication Date:
October 01, 2020
Filing Date:
March 23, 2020
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
F01L1/356
Foreign References:
| JP2018145906A | 2018-09-20 | |||
| JP2018178972A | 2018-11-15 |
Attorney, Agent or Firm:
TOKKYO GYOMUHOJIN MEISEI INTERNATIONAL PATENT FIRM (JP)
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