Patent ID: 7011117

Claim:
A valve having an open position and a closed position, comprising: a housing having a base, a cap opposing said base and a sidewall extending between said base and said cap, said base having a ramp which slopes from a bottom surface of said base toward said cap, said base, said cap and said sidewall forming a chamber; an outlet tube extending from the exterior of said housing through said base and into said chamber, said outlet tube having an inlet opening in fluid communication with said chamber when said valve is in the open position, and said outlet tube having an outlet opening; an inlet port extending from the exterior of said housing through said sidewall; a plunger guide having an opening extending through said cap; a plunger slidably received in said plunger guide and said outlet tube, said plunger movable between the closed position in which said plunger is in an extended position such that said plunger is positioned in said outlet tube thereby sealing said opening in said outlet tube from said chamber and the open position in which said plunger is in a withdrawn position such that said plunger is withdrawn from said outlet tube thereby unsealing said inlet opening in said outlet tube.