Title:
SOLENOID, DAMPING FORCE ADJUSTMENT MECHANISM, AND DAMPING FORCE ADJUSTABLE SHOCK ABSORBER
Document Type and Number:
WIPO Patent Application WO/2023/157503
Kind Code:
A1
Abstract:
Provided are a solenoid that can both ensure thrust for a movable element (movable iron core) and prevent vibration, a damping force adjustment mechanism, and a damping force adjustable shock absorber. The solenoid comprises a coil, an armature, an anchor, and an actuation pin. The coil generates a magnetic field by being energized. At least a portion of the armature is on the inner circumferential side of the coil and is provided movably in the axial direction. The anchor faces the armature in the axial direction. The actuation pin is displaced integrally with the armature. The armature has a large diameter portion and a small diameter portion. In this case, the small diameter portion is provided on the anchor side.
Inventors:
SUKA RYUICHI (JP)
YAMAGAI HIROSHI (JP)
NAKANO GOTA (JP)
KONAKAI SEIRYO (JP)
YAMAGAI HIROSHI (JP)
NAKANO GOTA (JP)
KONAKAI SEIRYO (JP)
Application Number:
PCT/JP2023/000037
Publication Date:
August 24, 2023
Filing Date:
January 05, 2023
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
H01F7/16; F16F9/46
Domestic Patent References:
| WO2021117800A1 | 2021-06-17 |
Foreign References:
| JP2009036328A | 2009-02-19 | |||
| JPH0729378U | 1995-06-02 | |||
| JP2010278403A | 2010-12-09 |
Attorney, Agent or Firm:
YAMAMOTO, Osamu et al. (JP)
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