Title:
SOLENOID VALVE
Document Type and Number:
WIPO Patent Application WO/2012/077486
Kind Code:
A1
Abstract:
[Problem] To provide a solenoid valve that has good productivity and can be easily assembled. [Solution] A solenoid valve comprises: a valve sleeve (20) having an inner passage (22); a spool (30) disposed in the inner passage of the valve sleeve; a tubular center post (40) that has a through hole (42) communicating with the inner passage of the valve sleeve and that is configured from a magnetic material; a plunger (50) that is disposed so as to hold the center post between itself and the spool in the axial direction, that is disposed so as to move freely in the axial direction, and that is configured from a magnetic material; a shaft part (62) one end surface of which comes into contact with the spool and the other end surface of which attaches to the end surface of the plunger and which moves within the through hole of the center post in the axial direction; a flange part (68) that is formed integrally with the shaft part, that projects from the shaft part in the radial direction, and that is sandwiched between the plunger and the center post when the plunger approaches the center post; a shaft (60) configured from a non-magnetic material; and a case part that has a coil (75) for generating magnetic force to be transmitted to the center post and that accommodates therein the center post, the plunger, and the shaft.
Inventors:
KASAGI YOSHINARI (JP)
NISHINOSONO HIROYUKI (JP)
IWANAGA HIROYUKI (JP)
NISHINOSONO HIROYUKI (JP)
IWANAGA HIROYUKI (JP)
Application Number:
PCT/JP2011/076715
Publication Date:
June 14, 2012
Filing Date:
November 18, 2011
Export Citation:
Assignee:
EAGLE IND CO LTD (JP)
KASAGI YOSHINARI (JP)
NISHINOSONO HIROYUKI (JP)
IWANAGA HIROYUKI (JP)
KASAGI YOSHINARI (JP)
NISHINOSONO HIROYUKI (JP)
IWANAGA HIROYUKI (JP)
International Classes:
H01F7/16; F16K31/06
Foreign References:
| JP2009030682A | 2009-02-12 | |||
| JP2008157270A | 2008-07-10 | |||
| JP2001141098A | 2001-05-25 | |||
| JP2002228037A | 2002-08-14 | |||
| JP2009030682A | 2009-02-12 |
Other References:
See also references of EP 2570707A4
Attorney, Agent or Firm:
MAEDA, Hitoshi et al. (JP)
Hitoshi Maeda (JP)
Hitoshi Maeda (JP)
Download PDF:
Claims:
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