Motor-operated valve

Claim 1

IN ASSOCIATION WITH A VALVE CASING; A ROTARY VALVE ELEMENT DISPOSED WITHIN SAID CASING FOR CONTROLLING FLUID FLOW THERETHROUGH; AND SAID CASING INCLUDING A REMOVABLE COVER ELEMENT DISPOSED TO PERMIT ACCESS TO THE VALVE ELEMENT FOR INSTALLATION AND REPAIR THEREOF; THE COMBINATION COMPRISING A HOUSING STRUCTURE ADAPTED TO BE REMOVABLY SECURED ON SAID COVER ELEMENT; A TERMINAL BOARD REMOVABLY DISPOSED WITHIN SAID HOUSING STRUCTURE AND SUBDIVIDING SAME INTO A SWITCH CHAMBER AND A MOTOR CHAMBER; AN ELECTRICAL MOTOR DISPOSED ON THE MOTOR CHAMBER FACE OF SAID BOARD AND HAVING AN OUTPUT SHAFT EXTENDING THROUGH THE BOARD INTO THE SWITCH CHAMBER; A DRIVE CONNECTION DISPOSED IN SAID SWITCH CHAMBER FOR OPERATIVELY CONNECTING THE MOTOR SHAFT WITH THE AFOREMENTIONED VALVE ELEMENT SO THAT THE MOTOR ROTATION IS EFFECTIVE TO OPERATE THE VALVE ELEMENT BETWEEN OPEN AND CLOSED POSITIONS; A PRINTED MOTOR CONTROL CIRCUIT ON THE SWITCH CHAMBER FACE OF SAID BOARD, INCLUDING A SERIES OF SPACED ARCUATE ELECTRICAL TRACK PORTIONS CENTERED AROUND THE AXIS OF THE MOTOR OUTPUT SHAFT; AND ELECTRICAL CONTACT BRUSHES DISPOSED IN SAID SWITCH CHAMBER AND MOVABLE DURING MOTOR ROTATION TO TRAVERSE THE TRACKS FOR CONTROLLING THE MOTOR OPERATION.