SOLENOID VALVE

PROBLEM TO BE SOLVED: To provide a solenoid valve miniaturizing the body, reducing the number of components, and reducing the assembling man-hours and manufacturing costs. SOLUTION: A non-coating part 13a is formed in a spool 30 side end face of a plunger 13 so that a position of the spool to the fe...

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Bibliographische Detailangaben
Hauptverfasser:	IWASAKI KAZUTOSHI, NAKANE HIROYUKI, MATSUZAKA NOBORU, OBAYASHI SHINKICHI, OISHI KENICHI, KAWABATA SANEMASA
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a solenoid valve miniaturizing the body, reducing the number of components, and reducing the assembling man-hours and manufacturing costs. SOLUTION: A non-coating part 13a is formed in a spool 30 side end face of a plunger 13 so that a position of the spool to the feed current value in coil energization is prevented from being dispersed without any relation with the dispersion of the film thickness of the coating film 130. The output pressure of hydraulic oil is prevented from being dispersed relative to the feed current value so as to enhance the accuracy of hydraulic control. The non-coating part 13b is formed in the counter-spool side end face of the plunger 13 so that the assembling of the plunger 13 is facilitated so as to reduce the assembling manhour. This constitution can also eliminates the post-processing such as polishing and wrapping finish for controlling the coating film thickness and securing the accuracy. The manufacturing cost can be thus reduced.