Cross pattern metering valve

Claim 1

IN A VALVE DEVICE, A HOUSING HAVING A PLURALITY OF ADJACENT COAXIALLY ALIGNED BORE SECTIONS, WITH EACH SUCCESSIVE BORE SECTION BEING REDUCED IN DIAMETER WITH RESPECT TO THE NEXT ADJACENT BORE SECTION AND BEING JOINED THERETO BY GENERALLY RADIALLY EXTENDING SHOULDER MEANS, A BONNET MEMBER RECEIVED AND SECURED IN THE LARGEST BORE IN SAID HOUSING, SAID BONNET MEMBER INCLUDING A CENTRAL BORE SECTION COAXIALLY ALIGNED WITH SAID BORE SECTIONS IN SAID HOUSING, AN ANNULAR SEATING LIP FORMED BY THE SHOULDER MEANS INTERCONNECTING THE SMALLEST DIAMETER BORE WITH AN INTERMEDIATE DIAMETER BORE SECTION NEXT ADJACENT THERETO, AN ELONGATED STEM RECIPROCALLY RECEIVED WITHIN SAID BORE SECTIONS IN SAID HOUSING AND BONNET, SECONDARY SEALING MEANS SPACED FROM SAID SEATING LIP AND INTERPOSED BETWEEN THE END OF SAID BONNET MEMBER AND THE SHOULDER MEANS INTERCONNECTING THE LARGEST BORE SECTION WITH THE NEXT ADJACENT BORE SECTION, SAID SECONDARY SEALING MEANS ENGAGING SAID STEM AND OF SUFFICIENT RIGIDITY SO AS TO PROVIDE A LOW FRICTION SUPPORT THEREFOR AND FOR A PRIMARY SEAL AND TO PROVIDE A SECONDARY SEAL BETWEEN SAID STEM, SAID HOUSING AND SAID BONNET, SAID STEM BEING PROVIDED AT ONE END WITH A GENERALLY CONICAL NEEDLE MEMBER OPPOSED TO AND COAXIALLY ALIGNED WITH SAID SMALLER DIAMETER BORE SECTION, AND CONVERGING IN THE DIRECTION OF THE DIAMETRAL REDUCTION OF SUCCESSIVE BORE SECTIONS, THE DIAMETER OF THE CONICAL NEEDLE MEMBER AT ITS SMALLEST VALUE BEING LESS THAN THE DIAMETER OF SAID SMALLER DIAMETER BORE SECTION, AND AT ITS LARGEST VALUE BEING GREATER THAN THE DIAMETER OF SAID SMALLER DIAMETER BORE SECTION, SAID STEM BEING PROVIDED WITH A GROOVE ADJACENT THE NEEDLE MEMBER AN O-RING, PRIMARY SEALING MEANS IN SAID GROOVE AND SEALINGLY ENGAGING THE INTERMEDIATE BORE TO PROVIDE A PRIMARY SEAL BETWEEN SAID STEM, SAID HOUSING AND SAID BONNET, A PAIR OF FLUID OUTLET PASSAGEWAYS INTERSECTING THE INTERMEDIATE DIAMETER BORE SECTION BETWEEN SAID PRIMARY SEALING MEANS AND SAID SEATING LIP, MEANS FOR ESTABLISHING FLUID CONDUCTING COMMUNICATION BETWEEN SAID SMALLER DIAMETER BORE SECTION AND A FLUID INLET PASSAGEWAY, MEANS INCLUDING THE INTERMEDIATE DIAMETER BORE FOR ESTABLISHING FLUID CONDUCTING COMMUNICATION BETWEEN THE INLET PASSAGEWAY AND SAID PAIR OF FLUID OUTLET PASSAGEWAYS, AND MEANS FOR AXIALLY EXTENDING AND RETRACTING THE STEM WHEREBY TO MOVE A PORTION OF THE NEEDLE MEMBER INTERMEDIATE ITS ENDS INTO AND OUT OF SUBSTANTIALLY LINE CONTACT FLUID SEALING ENGAGEMENT WITH ANNULAR SEATING LIP, SAID PRIMARY SEALING MEANS BEING POSITIONED, WHEN THE NEEDLE ENGAGES THE ANNULAR SEATING LIP, BETWEEN THE SECONDARY SEALING MEANS AND THE INTERSECTION OF THE OUTLET PASSAGEWAYS WITH INTERMEDIATE BORE, WITH COMMUNICATION BETWEEN SAID OUTLET PASSAGEWAYS BEING UNINTERRUPTED.