Slide type mixing valve with interchangeable inlet and outlet connections

Claim 1

A ROTARY THREE-WAY SLIDE VALVE COMPRISING, IN COMBINATION: A CASING HAVING THREE CONNECTOR SOCKETS THE AXES OF WHICH LIE IN A COMMON PLANE, TWO OF SAID AXES BEING IN ALIGNMENT WITH ONE ANOTHER AND THE THIRD AXIS BEING PERPENDICULAR TO THE FIRST TWO AXES, A TRANSFER CHAMBER ARRANGED IN SAID CASING AND HAVING THREE EQUAL COMMUNICATION PORTS MUTUALLY OFFSET 120*, EACH PORT CONNECTING ONE OF SAID SOCKETS WITH SAID TRANSFER CHAMBER, A SLIDER PLATE ROTATABLY MOUNTED IN SAID CASING BETWEEN SAID SOCKETS AND SAID TRANSFER CHAMBER AND CONTROLLING THE FLOW THROUGH THE SAID PORTS, AN ANNULAR SHOULDER FORMED IN SAID CASING, SAID CASING HAVING A CENTRAL INTERNAL BOSS AND THREE PARTITIONS RADIATING FROM SAID BOSS AT ANGLES OF 120*, SAID SHOULDER, SAID BOSS AND SAID PARTITIONS DEFINING SAID PORTS, SAID PARTITIONS AND SAID CASING FORMING CONNECTOR CHAMBERS EACH COMMUNICATING WITH SAID TRANSFER CHAMBER THROUGH ONE OF SAID PORTS, SAID PORTS LYING BETWEEN SAID TRANSFER CHAMBER AND SAID CONNECTOR CHAMBERS AND EACH BEING SECTOR-SHAPED, SAID SLIDER PLATE HAVING THE SHAPE OF A 120* CIRCULAR SECTOR, A SPINDLE ROTATABLY MOUNTED IN SAID BOSS, SAID PLATE BEING SLIDABLY MOUNTED ON AND COUPLED FOR ROTATION WITH SAID SPINDLE AND BIASING SAID PLATE AGAINST SURROUNDING SAID SPINDLE AND BAISING SAID PLATE AGAINST SAID PARTITIONS AND AGAINST SAID SHOULDER, SAID SLIDER PLATE BEING OPERATIVE TO OPEN ONE PORT OF A PAIR WHILE SIMULTANEOUSLY CLOSING THE OTHER, AND MECHANISM FOR ADJUSTING THE ROTATIONAL RANGE OF SAID SLIDER PLATE WITH RESPECT TO A GIVEN ANGULAR DISPLACEMENT OF SAID SPINDLE FOR SELECTIVELY CONTROLLING THE OPENING AND CLOSING OF ANY PAIR OF THE THREE INDIVIDUAL PAIRS OF SAID PORTS.