Patent ID: 7243682

Claim:
A fluid control valve, comprising: a. a truncated cone, having a first end and a second end, wherein said first end is larger than said second end; b. a retaining groove, proximate said first end of said truncated cone; c. a fluid groove, between said retaining groove and said second end of said truncated cone; wherein the truncated cone continuously tapers from its second end to its first end, with the exception of the presence of the fluid groove, d. a fluid manifold inside said truncated cone; e. a conduit connecting said fluid manifold and said fluid groove; and f. a hollow elastic cylinder, having a first end and a second end, and being sized to fit tightly over said truncated cone, wherein said first end lies tightly within said retaining groove and wherein said second end lies tightly against said second end of said truncated cone, thereby forming an annular nozzle between said hollow elastic cylinder and said truncated cone.