Speed responsive fluid released clutch

Claim 1

AN AUTOMATIC CLUTCH AND CONTROL SYSTEM FOR A POWER TRANSMISSION MECHANISM COMPRRISING: A DRIVING MEMBER, A GEAR SYSTEM, A FIRST FRICTION ELEMENT CONNECTED TO SAID DRIVING MEMBER, A SECOND FRICTION ELEMENT CONNECTED TO A POWER INPUT MEMBER OF SAID GEAR SYSTEM, A SPRING MEANS CARRIED BY ONE OF SAID MEMBERS FOR NORMALLY APPLYING AN ENGAGING PRESSURE TO SAID FRICTION ELEMENTS, A FLUID PRESSURE SERVO CARRIED BY ROTARY PORTIONS OF SAID CLUTCH INCLUDING A PRESSURE OPERATED PART ADAPTED TO RELEASE SAID SPRING MEANS A SOURCE OF FLUID PRESSURE, AND GOVERNOR VALVE MEANS CARRIED BY SAID ROTARY PORTIONS INCLUDING PRESSURE DISTRIBUTOR PASSAGES EXTENDING FROM SAID SOURCE TO SAID SERVO FOR CONTROLLING RELEASE AND SUPPLY OF PRESSURE FROM THE LATTER IN RESPONSE TO CHANGING SPEED OF SAID DRIVING MEMBER WHEREBY SAID FRICTION ELEMENTS WILL EFFECT A SMOOTH ENGAGEMENT UPON AN INCREASE IN THE SPEED OF SAID DRIVING MEMBER, THE PRESSURE DISTRIBUTED TO SAID SERVO ACTING UPON SAID PRESSURE OPERATED PART TO CREATE A PRESSURE FORCE THEREON THAT OPPOSES THE FORCE OF SAID SPRING MEANS, SAID GOVERNOR VALVE MEANS BEING DISPOSED IN AND PATLY DEFINING SAID DISTRBUTOR PASSAGES AND INCLUDING A MOVABLE ELEMENT WITH A PRESSURE AREA THEREON IN FLUID COMMUNICATION WITH THE PRESSURE IN SAID SERVO, THE CENTRIFUGAL FORCE ACTING UPON SAID MOVABLE ELEMENT OPPOSING THE FORCE OF SAID MOVABLE ELEMENT THAT IS CREATED BY SAID SERVO PRESSURE.