Fluid control device

Claim 1

IN A FLUID CONTROL DEVICE, AN INNER SLEEVE MEMBER HAVING A FRUSTO-CONICAL OUTER SURFACE WITH SYMMETRICALLY ARRANGED INNER OPENINGS THEREIN AND A FIRST FLUID PASSAGEWAY MEANS COMMUNICATING CONTINUOUSLY WITH THE INTERIOR OF SAID INNER SLEEVE AND WITH SAID INNER OPENINGS, AN OUTER SLEEVE MEMBER DISPOSED ABOUT SAID INNER MEMBER AND HAVING A FRUSTO-CONICAL INNER SURFACE MATING WITH SAID OUTER SURFACE OF THE INNER MEMBER WITH SYMMETRICALLY ARRANGED, COACTIVELY CORRESPONDING OUTER OPENINGS THEREIN AND A SECOND FLUID PASSAGEWAY MEANS COMMUNICATING CONTINUOUSLY WITH SAID OUTER OPENINGS; ONE OF SAID MEMBER BEING ROTATABLY OSCILLATABLE RELATIVE TO THE OTHER MEMBER IN ORDER TO UNCOVER AND RECOVER ITS COATIVE OPENINGS AND THEREBY TO PUT IN OR OUT OF COMMUNICATION WITH EACH OTHER SAID TWO FLUID PASSAGEWAY MEANS IN CONTROLLED PROPORTIONS; AND SEALING MEANS POSITIONED IN GROOVES IN ONE OF SAID SLEEVE VALVE MEMBERS; SAID SEALING MEANS COMPRISING A PLURALITY OF SEAL UNITS, EACH INDIVIDUAL SEALING UNIT HAVING A STRAIGHT LINE CONFIGURATION AND EXTENDING BEYOND SAID MATING SURFACES, SAID GROOVES BEING SLIGHTLY LARGER IN WIDTH THAN THE SEALING UNITS, THEREBY PERMITTING A FREE AND CONTINUOUS ROLLING TO SAID UNITS.