Fluid governor or controller

Claim 1

IN A SELF-REGULATING CONTROL MECHANISM FOR AUTOMATICALLY CONTROLLING A VARIABLE CONDITION THE COMBINATION OF, CONTROL MEANS TO REGULATE SAID CONTROLLED CONDITION, A PRESSURE RESPONSIVE MEMBER OPERATIVELY CONNECTED TO SAID CONTROL MEANS FOR ACTUATION THEREOF, A FLUID CIRCUIT HAVING A SOURCE OF PRESSURE FLUID TO PRODUCE A FLOW OF FLUID THERETHROUGH AND COMMUNICATING WITH SAID PRESSURE RESPONSIVE MEMBER, VALVE MEANS IN SAID CIRCUIT FOR CONTROLLING PRESSURE THEREIN ACTING ON SAID PRESSURE RESPONSIVE MEMBER FOR EFFECTING REGULATING MOVEMENTS THEREOF, SENSING MEANS RESPONSIVE TO CHANGES IN THE CONTROLLED CONDITION TO PRODUCE FORCES VARYING AS A FUNCTION THEREOF AND ACTING ON SAID VALVE MEANS TO EFFECT MOVEMENTS THEREOF FOR CAUSING SAID CONTROLLED-CONDITION-REGULATING MOVEMENTS OF SAID PRESSURE RESPONSIVE MEMBER AND SAID CONTROL MEANS, AND PRESSURE-CONTROLLING MEANS INCLUDING PRESSURE REGULATOR MEANS OPERATIVELY ASSOCIATED WITH SAID CONTROL MEANS TO VARY THE MAGNITUDE OF SAID SOURCE-PRESSURE AS A FUNCTION OF THE MOVEMENT OF SAID CONTROL MEANS AND TENDING TO CORRESPONDINGLY VARY SAID PRESSURE CONTROLLED BY SAID VALVE MEANS IN A DIRECTION TENDING TO REVERSE THE MOVEMENT OF SAID PRESSURE RESPONSIVE MEMBER AND SAID CONTROL MEANS.