Proportioning assembly

Claim 1

A LIQUID PROPORTIONING ASSEMBLY ADAPTED FOR USE IN PIPE LINES COMPRISING, A GENERALLY CYLINDRICAL TUBULAR HOUSING PROVIDING AN INLET PORT WITH AN INWARDLY TAPERING WALL ADJACENT SAID INLET PORT, A PISTON HAVING A HOLLOW STEM AND A HEAD ADAPTED TO SUBSTANTIALLY CLOSE SAID INLET PORT, A STATIONARY SLEEVE WITHIN SAID HOUSING ADAPTED TO SLIDABLY RECEIVE SAID STEM MEMBER AND TO ALIGN SAID HEAD WITH SAID INLET PORT, TWO INTAKE CONDUITS IN COMMUNICATION WITH SAID SLEEVE, MEANS TO STOP THE FLOW OF LIQUID THROUGH EACH SAID CONDUIT, SAID STEM HAVING TWO SLOTS THEREIN FOR REGISTRATION WITH EACH SAID CONDUIT WHEN SAID PISTON HEAD IS MOVED AWAY FROM SAID INLET PORT, THE INWARDLY TAPERING WALL COACTING WITH SAID PISTON HEAD TO PROVIDE AN OPENING OF VARIABLE DIMENSIONS AND SAID SLOTS DESIGNED TO PROVIDE AN AREA OF REGISTRATION WITH SAID CONDUITS IN PROPORTION TO THE OPENING OF SAID ORIFICE, SAID SLOTS BEING OF A DIMENSION TO ALLOW DIFFERENT AMOUNTS OF LIQUIDS TO PASS THERETHROUGH WHEN SAID SLOTS ARE IN REGISTRATION WITH SAID CONDUIT MEMBERS WITH THE MOST REMOTE PORTION OF SAID SLOTS AWAY FROM SAID PISTON HEAD ADAPTED TO COMMUNICATE WITH SAID CONDUITS SIMULTANEOUSLY AND AT THE MOMENT SAID PISTON HEAD MOVES AWAY FROM SAID INLET PORT, MEANS TO RESILIENTLY URGE SAID PISTON HEAD TOWARD SAID INLET PORT, STOPPING MEANS ASSOCIATED WITH SAID PISTON TO PREVENT SAID PISTON HEAD FROM COMPLETELY PASSING THROUGH SAID INLET PORT, AND MEANS ASSOCIATED WITH SAID STEM MEMBER TO PREVENT A TRANSVERSE MOVEMENT OF SAID STEM MEMBER.