Turbocharger waste gate system

Claim 1

A CONTROL SYSTEM FOR A TURBOCHARGED INTERNAL COMBUSTION ENGINE HAVING INTAKE AND EXHAUST MANIFOLDS, SAID SYSTEM INCLUDING A TURBOCHARGER HAVING A COMPRESSOR AND A TURBINE FOR DRIVING SAID COMPRESSOR, MEANS PROVIDING LUBRICATING FLUID UNDER PRESSURE FOR THE COMPRESSOR AND TURBINE BEARINGS, SAID COMPRESSOR AND TURBINE EACH HAVING INLET AND OUTLET PASSAGES, AN EXHAUST PASSAGE PROVIDING COMMUNICATION BETWEEN SAID ENGINE EXHAUST MANIFOLD AND SAID TURBINE INLET PASSAGE WHEREBY SAID TURBINE IS DRIVEN BY THE EXHAUST GASES, AN INLET PASSAGE PROVIDING COMMUNICATION BETWEEN SAID COMPRESSOR OUTLET PASSAGE AND SAID ENGINE INTAKE MANIFOLD TO SUPPLY A BOOST PRESSURE THERETO, A WASTE GATE PASSAGE COMMUNICATING WITH SAID EXHAUST PASSAGE AND ATMOSPHERE, A VALVE FOR CONTROLLING SAID WASTE GATE PASSAGE INCLUDING A VALVE SEAT, A VALVE MEMBER MOVABLE TOWARD AND AWAY FROM SAID VALVE SEAT TO CLOSE AND OPEN SAID VALVE, THE UPSTREAM FACE OF SAID VALVE MEMBER BEING EXPOSED TO THE PRESSURE IN SAID EXHAUST MANIFOLD PASSAGE WHEN SAID VALVE IS CLOSED, RESILIENT MEANS BIASING SAID VALVE MEMBER AWAY FROM SAID VALVE SEAT, A CONTROL HOUSING HAVING A MOVABLE WALL THEREIN DIVIDING SAID HOUSING INTO TWO CHAMBERS, MEANS INTERCONNECTING SAID MOVABLE WALL AND SAID VALVE MEMBER WHEREBY PRESSURE WITHIN SAID HOUSING ON ONE SIDE OF SAID MOVABLE WALL OPPOSES SAID RESILIENT MEANS TO URGE SAID VALVE MEMBER TOWARD SAID SEAT, A LUBRICATING FLUID LINE FOR INTRODUCING LUBRICATING FLUID UNDER SAID PREDETERMINED PRESSURE INTO SAID HOUSING AT SAID ONE SIDE OF SAID MOVABLE WALL, THEREBY SAID WASTE GATE VALVE MEMBER REMAINS OFF SAID SEAT UNTIL THE LUBRICATING FLUID ATTAINS A PRESSURE SUFFICIENT TO OVERCOME SAID RESILIENT BIASING MEANS.