Multi-mode fluid device

Claim 1

A FLUID DEVICE COMPRISING IN COMBINATION, A SYMMETRICAL FLUID INTERACTION CHAMBER, A FLUID POWER INLET NOZZLE ENTERING SAID INTERACTION CHAMBER ALONG THE AXIS OF SYMMETRY THEREOF, SAID NOZZLE BEING EFFECTIVE WHEN CHARGED WITH A PRESSURIZED FLUID TO ISSUE A FLUID JET ALONG SAID AXIS OF SYMMETRY, A WEDGE-SHAPED DIVIDER ELEMENT LOCATED ALONG THE AXIS OF SYMMETRY WITH ITS APEX IN CONFRONTING RELATIONSHIP TO SAID NOZZLE, SAID DIVIDER ELEMENT BEING SPACED FROM SAID NOZZLE BY A DISTANCE WHICH IS OPERATIVE TO INDUCE AN EDGE-TONE OSCILLATION IN THE POWER JET, SAID CHAMBER BEING FORMED BY A PAIR OF LOWER WALL SECTIONS EACH ANGLING UPWARD FROM OPPOSITE SIDES OF SAID POWER NOZZLE AND THEN A PAIR OF UPPER GENERALLY CIRCULAR WALL SECTIONS, WHICH TERMINATE AT THEIR UPPER ENDS IN SPACED RELATION TO THE SIDES OF SAID WEDGE-SHAPED DIVIDER, A PAIR OF OUTPUT CHANNELS LOCATED ONE ON EACH SIDE OF SAID DIVIDER, SAID OUTPUT CHANNELS BEING FORMED BY THE SIDES OF SAID DIVIDER AND A PAIR OF WALL MEMBERS ONE ON EACH SIDE OF THE WEDGE-SHAPED DIVIDER, SAID WALL MEMBERS BEING SPACED FROM AND GENERALLY PARALLELING THE SIDES OF THE DIVIDER ELEMENT ALONG THEIR UPPER EXTREMES AND THEN SLANTING INWARDLY TOWARD THE DIVIDER ALONG THEIR LOWER EXTREMES TO TERMINATE IN THE UPPER ENDS OF THE CIRCULAR WALL SECTIONS NEAR THE APEX OF THE DIVIDER, THE SLANTED PORTIONS OF SAID WALL MEMBERS TOGETHER WITH CIRCULAR WALL SECTIONS FORMING A CUSP AT THE ENTRANCE TO EACH OF THE OUTPUT CHANNELS, SAID CHAMBER WALLS BEING POSITIONED RELATIVE TO SAID AXIS OF SYMMETRY SO THAT WHEN THE JET IS DEFLECTED TO ONE OUTPUT CHANNEL OR THE OTHER IT WILL PRODUCE A TRANSVERSE PRESSURE DIFFERENTIAL THEREACROSS WHICH WILL IN TURN CAUSE THE JET TO LOCK ONTO THE CUSP AT THE CORRESPONDING OUTPUT CHANNEL, SAID CUSP AND CIRCULAR WALL SECTION THEN BEING OPERATIVE TO FEED BACK A SMALL AMOUNT OF FLUID POWER TO THE POWER JET TO THEREBY CAUSE THE JET TO OSCILLATE ABOUT SAID CUSP, AND FLUID CONTROL PORTS ENTERING THE INTERACTION CHAMBER ON EACH SIDE OF THE AXIS OF SYMMETRY OF SAID CHAMBER.