Commandair control system

Claim 1

A COMPRESSOR CONTROL SYSTEM FOR AN ENGINE DRIVEN COMPRESSOR COMPRISING; POWER MEANS FOR DRIVING SUCH COMPRESSOR, FLOW CONTROL MEANS FOR CONTROLLING THE FLOW OF FLUID TO THE COMPRESSOR, A CONTROL REGULATOR HAVING A MOVABLE DIAPHRAGM THEREIN DIVIDING SAID REGULATOR INTO A FIRST AND SECOND CHAMBER, STOP MEANS MOUNTED IN SAID FIRST CHAMBER LIMITING THE MOVEMENT OF SAID DIAPHRAGM IN A FIRST DIRECTION TO REDUCE THE VOLUME OF SAID FIRST CHAMBER, LINKAGE MEANS CONNECTING SAID DIAPHRAM AND SAID FLOW CONTROL MEANS FOR REGULATING FLUID FLOW THROUGH SAID FLOW CONTROL MEANS, SAID REGULATION OF FLUID FLOW RESULTING UPON MOVEMENT OF SAID DIAPHRAGM AWAY FROM SAID STOP MEANS WHICH DIRECTION DEFINES A SECOND DIRECTION OPPOSITE IN DIRECTION TO SAID FIRST DIRECTION, SAID FLOW CONTROL MEANS REGULATABLE FROM A FULL OPEN POSITION THROUGH A PROGRESSIVE THROTTLING TO A SHUT-OFF POSITION WHEREIN THE FLOW OF FLUID TO THE COMPRESSOR IS CORRESPONDINGLY CONTROLLED BY MOVEMENT OF SAID DIAPHRAGM FROM A POSITION ADJACENT SAID STOP MEANS TO A POSITION FURTHER AWAY FROM SAID STOP MEANS RESULTING FROM MOVEMENT IN SAID SECOND DIRECTION TO A FULLY EXTENDED POSITION CORRESPONDING TO SAID SHUT-OFF POSITION OF SAID FLOW CONTROL MEANS, SAID LINKAGE MEANS HAVING FLOW RESTRICTIVE MEANS ACTUATED UPON MOVEMENT OF SAID DIAPHRAGM TO SAID FULLY EXTENDED POSITION FOR VENTING SAID SECOND CHAMBER TO ATMOSPHERE, SAID SECOND CHAMBER HAVING SPRING MEANS FOR BIASING SAID DIAPHRAGM AGAINST SAID STOP MEANS, A CONTROL DEVICE HAVING A PRE-SETTABLE VALVE THEREIN FOR CONTROLLING THE UPPER LIMITS OF PRESSURES OF FLUID PASSING THERETHROUGH, SAID CONTROL DEVICE HAVING AN UPSTREAM CONNECTION TO SAID RECEIVER AND A DOWNSTREAM CONNECTION TO SAID SECOND CHAMBER, SAID RESETTABLE VALVE MAINTAINING THE DOWNSTREAM PRESSURE IN SAID DOWNSTREAM CONNECTION AT A PRESSURE UP TO SAID UPPER LIMIT, AND SAID DIAPHRAGM BEING RESPONSIVE TO A DIFFERENCE IN THE PRESSURES IN SAID CHAMBERS TO REGULATE SAID FLOW MEANS.