Solenoid actuator having misalignment accommodating...

Details Solenoid actuator having misalignment accommodating... Solenoid actuator having misalignment accommodating...

2006-03-21

2006-03-21

Look, Edward K. (Department: 3751)

Valves and valve actuation

Electrically actuated valve

Including solenoid

C335S297000

Reexamination Certificate

active

07014168

ABSTRACT:
A solenoid actuator of a solenoid valve has a solenoid, a yoke, a stator, a cup and a restrained portion. The yoke radially surrounds the stator while radially forming an outer circumferential gap therebetween. The cup receives a plunger. The cup is arranged in the stator while radially forming an inner circumferential gap therebetween. The restrained portion is axially inserted between an internal portion of the yoke and the stator. The outer circumferential gap is greater than the inner circumferential gap. Therefore, even when the inner circumferential gap is set to be small to effectively apply magnetic power generated by the solenoid to the plunger, radial misalignment of the cup can be accommodated by the outer circumferential gap.

REFERENCES:
patent: 1932164 (1933-10-01), Petit
patent: 6486762 (2002-11-01), Kurasawa et al.
patent: 6811137 (2004-11-01), Hirata et al.
patent: 2000-193120 (2000-07-01), None
patent: 2000-220762 (2000-08-01), None
patent: 2001-187979 (2001-07-01), None

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