SOLENOID VALVE

PROBLEM TO BE SOLVED: To provide a solenoid valve for preventing leakage to the outside of ATF from the inside of the solenoid valve, and obtaining a stable characteristic when carrying an electric current to a coil. SOLUTION: This solenoid valve 1 is composed of a solenoid part 10 and a seat part 3...

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Bibliographic Details
Main Author ITO TAKU
Format Patent
LanguageEnglish
Published 10.10.2003
Edition7
Subjects
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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Summary:PROBLEM TO BE SOLVED: To provide a solenoid valve for preventing leakage to the outside of ATF from the inside of the solenoid valve, and obtaining a stable characteristic when carrying an electric current to a coil. SOLUTION: This solenoid valve 1 is composed of a solenoid part 10 and a seat part 30. A moving core 16 of the solenoid part 10 attracts and moves toward the stator core 15 side together with a shaft 17 when carrying the electric current to the coil 13 by inserting the shaft 17 inside. A rear end surface of the shaft 17 is formed by projecting from a rear end surface of the moving core 16, and an abutting surface 177 is formed for abutting to a wall part 18a of a sleeve 18 of a magnetic substance arranged inside a yoke 14. When the abutting surface 177 of the shaft 17 abuts to the wall part 18a of the sleeve 18 when carrying no electric current to the coil 13, a void part 21 is formed between the rear end surface of the moving core 16 and the wall part 18a of the sleeve 18. COPYRIGHT: (C)2004,JPO
Bibliography:Application Number: JP20020092265