SOLENOID

PROBLEM TO BE SOLVED: To provide a solenoid suppressing an influence of contamination and improving responsibility to actuation. SOLUTION: This solenoid 1 to drive a mother machine is provided with: a first bearing 7 and a second bearing 8 to slidably support a shaft 5 with a plunger 4 held between...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YAMAGATA HIDEKI, YAZAKI KENJI, TSUCHIYA HIDEKI, FUJITA TOMOYUKI, HOSOGAI MAMORU, MIYA TAKAHARU, AKATSUKA KOICHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BASIC ELECTRIC ELEMENTS BLASTING COCKS DEVICES FOR VENTING OR AERATING ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDUCTANCES LIGHTING MAGNETS MECHANICAL ENGINEERING SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TAPS THERMAL INSULATION IN GENERAL TRANSFORMERS VALVES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a solenoid suppressing an influence of contamination and improving responsibility to actuation. SOLUTION: This solenoid 1 to drive a mother machine is provided with: a first bearing 7 and a second bearing 8 to slidably support a shaft 5 with a plunger 4 held between them; a plunger front chamber 74 defined between the first bearing 7 and the plunger 4; a plunger rear chamber 75 defined between the plunger 4 and the second bearing 8; and a plunger peripheral passage 63 for making the plunger front chamber 74 communicate with the plunger rear chamber 75. The plunger peripheral passage 63 is defined around the peripheral surface 41 of the plunger as a circular gap 55, and hydraulic oil of the mother machine is led to the plunger front chamber 74, the plunger peripheral passage 63, and the plunger rear chamber 75. COPYRIGHT: (C)2010,JPO&INPIT