Solenoid air valve

Details Solenoid air valve Solenoid air valve

2006-08-22

2006-08-22

Barrera, Ramon M. (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

C335S261000, C335S278000, C335S279000, C335S281000, C335S282000, C251S129150, C251S129160

Reexamination Certificate

active

07095304

ABSTRACT:
According to a solenoid air valve, a flange portion of a moving core and a flange portion area of a bobbin implement a stop area defining a distance of travel of the moving core in a direction away from a fixed core. An end portion of a shaft portion of the moving core can project outward through an opening of a frame cover, so that a gap between a surface of the frame cover facing the shaft portion and a side surface of the shaft portion (distance: L2) can be minimized. Consequently, a solenoid air valve having a structure allowing improvement in magnetic efficiency by making smaller the gap between the frame and the moving core is provided.

REFERENCES:
patent: 4459991 (1984-07-01), Hatschek et al.
patent: 5992461 (1999-11-01), Gilmore et al.
patent: 29707905 (1998-08-01), None
patent: 2470990 (1981-06-01), None
patent: 2064720 (1981-06-01), None
patent: 09-135817 (1997-05-01), None
patent: 2000-097364 (2000-04-01), None
patent: 2003-225213 (2003-08-01), None
European Search Report dated Oct. 19, 2005, directed to EP Application No. 05014670.3.

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