Electromagnetic valve and vapor fuel treating system...

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor

Reexamination Certificate

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Reexamination Certificate

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11092811

ABSTRACT:
A first connecting pipe of an electromagnetic valve connects with the fuel tank, and a second connecting pipe connects with a canister. A spring urges a moving core and a first valve body in a closing direction of a electromagnetic valve. A shaft of the first valve body includes a fluid-amount controlling portion on the top. The fluid-amount controlling portion is inserted to the communicating passage while a contact member of bellows seats on a convex of a rubber member, and is tapered in an inserted direction. When a coil is energized, the first valve body is lifted in the direction in which the fluid-amount controlling portion retracts from the communicating passage.

REFERENCES:
patent: 3424426 (1969-01-01), Neff
patent: 3447773 (1969-06-01), Huber
patent: 3655163 (1972-04-01), Rattan et al.
patent: 5048790 (1991-09-01), Wells
patent: 5370354 (1994-12-01), Kunz
patent: 6435210 (2002-08-01), Obersteiner et al.
patent: 6526951 (2003-03-01), Ishigaki et al.
patent: 2001/0017160 (2001-08-01), Ishigaki et al.
patent: 2003/0132409 (2003-07-01), Birkelund
patent: A-H11-344145 (1999-12-01), None
patent: A-2001-241563 (2001-09-01), None

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