Fluid amplifiers

Claim 1

A PENUMATIC OSCILLATOR COMPRISING A HOUSING BODY HAVING A CENTRAL RECESSED PORTION WITH AN OSCILLATABLE ACTUATOR POSITIONED THEREW%ITHIN, A POWER CHANNEL FORMED IN SAID OSCILLATABLE ACTUATOR IN CONSTANT COMMUNICTION WITH A POWER INPUT ORIFICE AND POSITIONABLE FOR ALTERNATE COMMUNICATION WITH A PAIR OF POWER OUTPUT ORIFICES, MEANS FOR LIMITING THE DEGREE OF ROTATION OF SAID OSCILLATABLE ACTUATOR SO THAT AT EACH OT ITS END LIMITS THE POWER CHANNEL IS IN ALIGNMENT WITH ONE OF THE POWER OUTPUT ORIFICES, A PAIR OF OPPOSING FLUID PRESSURE REACTION AREAS FORMED ON SAID OSCILLATABLE ACTUATOR, A CONTROL INPUT ORIFICE IN COMMUNICATION WITH EACH OF SAID REACTION AREAS, AND FEEDBACK MEANS EXTENDING FROM EACH OF SAID POWER OUTPUT ORIFICES TO THE CONTROL INPUT ORIFICE IN COMMUNICATION WITH THE PRESSURE RESPONSIVE REACTION AREA WHICH TENDS TO ROTATE THE ACTUATOR IN THE DIRECTION NECESSARY TO POSITION THE POWER CHANNEL IN COMMUNICATION WITH THE OTHER POWER OUTPUT ORIFICE.