Patent ID: 6328069
Filing Date: 2001-12-11
Classification: F16K,Y10T

Abstract:
A device for purging fluid from a source, comprising;a. a housing having a primary bore and a secondary bore, said primary bore terminating in a first outlet, said secondary bore terminating in a second outlet, and an inlet communicating with said first and second outlets;b. control means for selectively diverting the flow of fluid between said first and second outlets, said control means comprising a check valve seat located in said primary bore, a check valve face received by said check valve seat, and spring means exerting a spring force of a certain valve to urge said valve face into reception by said valve seat to close said first bore to fluid flow until said spring force is overcome by a fluid force on said check valve face, said control means further comprising a diverter valve seat located in said secondary bore, a diverter valve face received by said diverter valve seat and means to vary the distance between said diverter valve face and said diverter valve seat to divert the flow of fluid through said inlet from said primary bore and first outlet, to said secondary bore and said second outlet.