Vane pressurizing means

Claim 1

A COMBINATION MANIFOLD AND VALVE ASSEMBLY ADAPTED FOR USE WITH A SLIDING VANE TUPE REVERSIVLE HYDRAULIC MOTOR HAVING A FIRST AND A SECOND PORT FOR ALTERNATELY RECEIVING AND DISCHARGING A WORKING FLUID DEPENDING UPON THE DIRECTION OF OPERATION OF THE MOTOR AND A THIRD PORT FOR RECEIVING A FLUID TO URGE THE VANES OF THE MOTOR OUTWARDLY, SAID MANIFOLD AND VANE ASSEMBLY COMPRISING, (A) A FIRST HOUSING STRUCTURE HAVING A PAIR OF SPACED PASSAGES AND VALVE MEANS SELECTIVELY OPERABLE TO DELIVER FLUID UNDER PRESSURE TO EITHER OF SAID PASSAGES, (B) A SECOND HOUSING STRUCTURE HAVING A FIRST PLURALITY OF RADIALLY SPACED THROUGH PASSAGES AND A SECOND PLURALITY OF RADIALLY SPACED THROUGH PASSAGES, (C) A CHECK VALVE BEING POSITIONED IN EACH OF SAID RADIALLY SPACED PASSAGES AND MEANS PROVIDING COMMUNICATION BETWEEN ONE OF SAID FIRST HOUSING STRUCTURE PASSAGES AND SAID FIRST PLURALITY OF RADIALLY SPACED PASSAGES AND MEANS PROVIDING COMMUNICATION BETWEEN THE OTHER OF SAID FIRST HOUSING STRUCTURE PASSAGES AND SAID SECOND PLURALITY OF RADIALLY SPACED PASSAGES, (D) A FIRST PORT MEANS ADAPTED FOR CONNECTION TO THE FIRST PORT OF SAID MOTOR AND REGISTERING WITH SAID FIRST PLURALITY OF RADIALLY SPACED PASSAGES AND A SECOND PORT OF SAID ADAPTED FOR CONNECTION WITH SAID SECOND PORT OF SAID MOTOR AND REGISTERING WITH SAID SECOND PLURALITY OF RADIALLY SPACED PASSAGES, (E) AT LEAST TWO OF SAID CHECK VALVES IN EACH OF SAID FIRST AND SECOND PLURALITY OF READIALLY SPACED PASSAGES BEING DISPOSED IN OPPOSITE DIRECTIONS WHEREBY FLUID MAY BE ALTERNATELY DIRECTED TO AND FROM SAID FIRST AND SECOND PORT MEANS DEPENDING UPON THE POSITION OF SAID VALVE MEANS, (F) A THIRD PORT MEANS PROVIDED IN SAID SECOND HOUSING STRUCTURE ADAPTED FOR CONNECTION TO SAID THIRD PORT OF SAID MOTOR AND A FIRST PASSAGE CONNECTING ONE OF SAID FIRST PLURALITY OF RADIALLY SPACED PASSAGES TO SAID THIRD PORT MEANS AND A SECOND PASSAGE PROVIDED IN SAID SECOND HOUSING CONNECTING ONE OF SAID SECOND PLURALITY OF RADIALLY SPACED PASSAGES TO SAID THIRD PORT MEANS, (G) SAID CHECK VALVES BEING CARRIED IN SAID THIRD PORT MEANS CONNECTED RADIALLY SPACED PASSAGES BEING OPERABLE TO OPEN IN THE SAME DIRECTION, AND (H) MEANS BLOCKING FLUIG FROM SAID THIRD PORT MEANS CONNECTED PASSAGES TO SAID FIRST AND SECOND PORT MEANS.