Patent ID: 7922150

Claim:
A flow-directing vessel for installation into a receiving member having an interfacing cavity with a cylindrical wall, a first passage, and a second passage, the vessel comprising: a sleeve, a plunger movable relative to the sleeve, and a capsule; the sleeve having a tubular inner surface and a mating portion for mating with the cylindrical wall of the interfacing cavity; the capsule having an orifice, a capsule opening for communicating with the second passage in the receiving member when the vessel is installed in the receiving member, and an outer wall surrounding a passageway extending through the capsule between the capsule opening and the orifice; a retention device extending radially from the outer wall of the capsule, which retention device is held in the sleeve at its radially outer periphery with a press fit and has at least one through passage fluidly connecting first and second chambers on opposite sides of the retention device, the first chamber providing for communication with the first passage when the vessel is installed in the receiving member; and the plunger being movable relative to the sleeve and the orifice to open and close the orifice to control fluid flow between the second chamber and the capsule opening.