Air ratio changer and system

Claim 1

A CONTROL VALVE FOR CONTROLLING FLUID PRESSURE APPLIED FROM A SOURCE TO A MOTOR OF A FLUID PRESSURE SYSTEM COMPRISING A HOUSING, A PART OF FLUID PRESSURE RESPONSIVE MEMBERS COOPERABLE TO PROVIDE DIFFERENTIAL AREAS AND ADAPTED TO CONCERTED AND INDEPENDENT MOVEMENTS IN SAID HOUSING, MEANS WITHIN SAID HOUSING INCLUDING SAID MEMBERS PROVIDING A PRESSURE FLUID FLOW PASSAGE FOR CONNECTION BETWEEN SAID SOURCE AND MOTOR, VALVE MEANS IN ONE OF SAID MEMBERS FOR CONTROLLING PRESSURE FLUID FLOW THROUGH SAID FLOW PASSAGE, SAID MEMBERS BEING CONCERTEDLY MOVABLE IN RESPONSE TO APPLIED FLUID PRESSURE FROM SAID SOURCE TO MOVE SAID VALVE MEANS TO A POSITION IN SAID FLOW PASSAGE ESTABLISHING FLOR OF THE APPLIED FLUID PRESSURE THERETHROUGH TO SAID MOTOR, THE ESTABLISHED FLUID PRESSURE AT SAID MOTOR ACTING ON SAID MEMBERS TO OPPOSE FURTHER CONCERT MOVEMENT THEREOF AND BEING IN A PREDETERMINED RATIO WITH THE APPLIED FLUID PRESSURE, AND OTHER MEANS WITHIN SAID HOUSING DEFINING WITH SAID MEMBERS A FLUID PRESSURE CHAMBER, THE OTHER OF SAID MEMBERSF BEING INDEPENDENTLY MOVABLE TO A DISABLED POSITION IN SAID HOUSING IN RESPONSE TO FLUID PRESSURE IN SAID CHAMBER IN EXCESS OF THAT AT SAID MOTOR AND SAID ONE MEMBER BEING THEREAFTER INDEPENDENTLY MOVABLE IN RESPONSE TO THE APPLIED FLUID PRESSURE TO ACTUATE SAID VALVE MEANS TO ESTABLISH ANOTHER RATIO BETWEEN THE APPLIED AND ESTABLISHED FLUID PRESSURE DIFFERENT THAN THE PREDETERMINED RATIO.