Fluid operated motor

Claim 1

IN A ROTARY FLUID PRESSURE MOTOR, (A) BODY MEANS COMPRISING AN INTERNALLY TOOTHED RING MEMBER AND DEFINING FLAT OPPOSED END WALL SURFACES AT OPPOSITE ENDS OF SAID INTERNALLY TOOTHED MEMBER, (B) A COOPERATING, EXTERNALLY TOOTHED STAR MEMBER HAVING AT LEAST ONE LESS NUMBER OF TEETH THAN SAID INTERNALLY TOOTHED RING MEMBER AND DISPOSED ECCENTRICALLY WITHIN SAID INTERNALLY TOOTHED RING MEMBER AND ENGAGING SAID END WALL SURFACES, (C) ONE OF SAID MEMBERS BEING MOVABLE IN AN ORBIT WITH ITS AXIS MOVING IN AN ORBIT ABOUT THE AXIS OF THE OTHER OF SAID MEMBERS, (D) THE TEETH OF SAID MEMBERS MOVING SUCCESSIVELY INTO AND OUT OF INTERMESHING ENGAGEMENT RESPONSIVE TO ORBITAL MOVEMENT OF THE ORBITING ONE OF SAID MEMBERS AND HAVING SUBSTANTIALLY SEALING ENGAGEMENT WITH EACH OTHER TO DEFINE WITH SAID END WALL SURFACES SUCCESSIVELY EXPANDING AND CONTRACTING FLUID CHAMBERS, (E) SHAFT MEANS JOURNALLED IN SAID BODY MEANS FOR RELATIVE ROTATION THEREBETWEEN, (F) AND A RIGID LINK OPERATIVELY COUPLED AT ONE END TO SAID SHAFT MEANS AND AT ITS OTHER END TO SAID ORBITING MEMBER FOR COMMON ORBITAL MOVEMENT THEREWITH, WHEREBY TO IMPART RELATIVE ROTATION BETWEEN SAID SHAFT MEANS AND BODY MEANS RESPONSIVE TO ORBITAL MOVEMENT OF SAID ORBITING MEMBER, (G) ONE OF SAID MEANS HAVING AN INLET PORT AND ONE OF SAID MEANS HAVING AN OUTLET PORT, SAID BODY MEANS HAVING FLUID PASSAGE MEANS COMMUNICATING WITH SAID INLET AND OUTLET PORTS, (H) THE FLUID PASSAGE MEANS COMMUNICATING WITH SAID INLET PORT TERMINATING IN A PLURALITY OF CIRCUMFERENTIALLY SPACED OPENINGS THROUGH ONE OF SAID END WALL SURFACES BELOW THE LEVEL OF THE BOTTOM OF THE TEETH OF SAID ORBITING MEMBER. (I) THE FLUID PASSAGE MEANS COMMUNICATING WITH SAID OUTLET PORTS TERMINATING IN A PLURALITY OF CIRCUMFERENTIALLY SPACED OPENINGS THROUGH THE OTHER OF SAID END WALL SURFACES BELOW THE LEVEL OF THE BOTTOM OF THE TEETH OF SAID ORBITING MEMBER, (J) SAID ORBITING MEMBER HAVING A PLURALITY OF AXIALLY OPENING INLET CHANNELS IN ONE END AND A LIKE PLURALITY OF SIMILAR OUTLET CHANNELS IN ITS OPPOSITE END, (K) EACH OF SAID CHAMBERS COMMUNICATING WITH A DIFFERENT ONE OF SAID INLET CHANNELS, AND WITH A DIFFERENT ONE OF SAID OUTLET CHANNELS, (L) SAID CHANNELS BEING POSITIONED TO MOVE INTO AND OUT OF REGISTER WITH SUCCESSIVE ONES OF SAID OPENINGS IN THEIR ADJACENT END WALL SURFACES DURING ORBITAL MOVEMENT OF SAID ORBITING MEMBER.