Vane impulsion apparatus

Claim 1

APPARATUS COMPRISING, A MEMBER WHICH IS A ROTOR IN THE RELATIVE ROTATIONAL SENSE, SAID ROTOR HAVING FORMED IN IT A TWO-SIDED ANNULAR GROOVE, A MEMBER ASSOCIATED WITH SAID ROTOR AND WHICH IS A STATOR IN SAID SENSE, ABUTMENT MEANS RECEIVED IN SAID GROOVE, SAID ABUTMENT MEANS FITTING AROUND AT LEAST PART OF THE BOTTOM OF SAID GROOVE AND BEING DISPOSED IN SAID GROOVE TO DIVIDE IT INTO WORKING AND BALANCING CHANNELS ON TRANSVERSELY OPPOSITE SIDES OF SAID MEANS, AT LEAST ONE REACTION BLOCK FIXED IN THE DIRECTION AROUND SAID GROOVE RELATIVE TO SAID STATOR AND DISPOSED IN SAID GROOVE TO OBSTRUCT ANGULAR FLOW OF FLUID THEREIN, INLET AND OUTLET PORTS COMMUNICATING WITH SAID WORKING CHANNEL ON ANGULARLY OPPOSITE SIDES OF THE CENTERLINE OF SAID BLOCK, A PLURALITY OF TRANSVERSELY MOVABLE VANES CARRIED BY SAID ROTOR IN ANGULARLY SPACED SLOTS TRANSVERSE TO AND OPENING INTO SAID WORKING CHANNEL, AND MEANS OPERABLE BY MOVING EACH VANE IN ITS SLOT DURING RELATIVE ROTATION OF SAID ROTOR AND BLOCK TO PERMIT SUCH VANE TO PASS SAID BLOCK WHILE AT INTERVENING TIMES OBSTRUCTING ANGULAR FLOW OF FLUID IN SAID WORKING CHANNEL.