Control mechanism for pressure charged

Claim 1

A CONTROL MECHANISM FOR AN INTERNAL COMBUSTION ENGINE COMPRISING A POSITIVE DISPLACEMENT BLOWER INCLUDING A HOUSING DEFINING A BLOWER CHAMBER AND HAVING AN INLET PORT AND AN OUTLET PORT CONNECTABLE TO THE AIR RECEIVING CHAMBER OF THE ENGINE, ENGINE DRIVEN IMPELLER MEANS ROTATABLY MOUNTED WITHIN SAID BLOWER CHAMBER AND ADAPTED TO EFFECT POSITIVE PUMPING DISPLACEMENT BETWEEN THE INLET AND OUTLET PORTS, ONE END OF SAID HOUSING HAVING A PRESSURE BYPASS OUTLET PORT ADJACENT THE INLET PORTION OF THE BLOWER CHAMBER, A PRESSURE BYPASS INLET PORT ADJACENT THE OUTLET PORTION OF THE BLOWER CHAMBER, AND TWO ARCUATE PASSAGEWAYS INTERCONNECTING SAID PRESSURE BYPASS PORTS, TWO VALVES PIVOTALLY MOUNTED BY SAID HOUSING FOR OPPOSITE ROTATION WITHIN SAID PASSAGEWAYS BETWEEN FULLY OPENED AND CLOSED BYPASS CONTROLLING POSITIONS, FUEL CONTROL LINKAGE MEANS ASSOCIATED WITH SAID BYPASS DEFINING END OF SAID BLOWER HOUSING AND NORMALLY OPERABLE TO CONTROL ENGINE SPEED BY REGULATION OF THE ENGINE FUEL SUPPLY BETWEEN MINIMUM AND MAXIMUM FUEL SUPPLY CONDITIONS, A THROTTLE CONTROL LEVER, MEANS PROVIDING A LOST MOTION CONNECTION BETWEEN SAID LEVER AND SAID FUEL CONTROL LINKAGE, CENTRIFUGAL GOVERNOR MEANS MOUNTED WITHIN SAID HOUSING ADJACENT SAID BYPASS PAS-