Title:
PROPORTIONAL SOLENOID, METHOD FOR PRODUCING SAME, AND METHOD FOR CONTROLLING CHARACTERISTICS OF PROPORTIONAL SOLENOID
Document Type and Number:
WIPO Patent Application WO/2018/216603
Kind Code:
A1
Abstract:
A proportional solenoid (100) according to the present invention comprises a tubular member (101) wherein a first magnetic region (12a) that is mainly composed of a ferrite structure, a first semimagnetic region (14a) that is positioned at a distance from an adsorption surface (11b) and contains a ferrite structure, a martensite structure and an austenite structure, and a nonmagnetic region (13) that is positioned further from the adsorption surface than the semimagnetic region and is mainly composed of an austenite structure are continuously and integrally formed.
Inventors:
YAMAGUCHI SATOSHI (JP)
Application Number:
PCT/JP2018/019193
Publication Date:
November 29, 2018
Filing Date:
May 17, 2018
Export Citation:
Assignee:
HITACHI METALS LTD (JP)
International Classes:
F16K31/06; H01F7/16; H01F41/02
Foreign References:
| JPH10212588A | 1998-08-11 | |||
| JP2013028825A | 2013-02-07 | |||
| JP2010510458A | 2010-04-02 | |||
| JPS6340304A | 1988-02-20 |
Attorney, Agent or Firm:
MIYAZONO, Hirokazu (JP)
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