Steam boiler combustion control unit

Claim 1

AN APPARATUS FOR THE CONTROL OF THE ADMISSION OF A COMBUSTION COMPONENT INTO A STEM BOILER COMBUSTION CHAMBER WHEREIN AIR AND FUEL COMBUSTION COMPONENTS ARE ADMITTED THROUGH A BURNER AND WHEREIN THE FLOW OF ONE OF SAID COMPONENTS IS CONTROLLED BY THE STREAM PRESSURE IN THE BOILER, COMPRISING A FRAME, A PRESSURE SENSITIVE MEMBER MOVABLE RESPONSIVE TO THE FLOW OF ONE OF SAID COMPONENTS DISPOSED BELOW THE FRAME, A SWITCH OPERATING PLATE HINGEDLY SUPPORTED AT ONE END TO SAID FRAME AND MEANS CONNECTING SAID PRESSURE SENSITIVE MEMBER TO THE SWITCH OPERATING PLATE THROUGH THE FREE END OF THE PLATE, A PAIR OF ARMS HINGEDLY SUPPORTED AT ONE END OF THE FRAME ABOVE THE SWITCH OPERATING PLATE, SAID PRESSURE SENSITIVE MEMBER BEING CONNECTED TO ONE OF SAID ARMS FOR TRANSMITTING MOVEMENT THERETO AND THE POINT OF CONNECTION INCLUDING A LEAF SPRING CARRIED BY ONE OF THE ARMS AND CLAMP MEANS SLIDABLE ALONG THE ARM ND SPRING AND ARRANGED TO CLAMP THE SPRING TO THE ARM AT DIFFERENT POSITIONS LONGITUDINALLY OF THE ARM AND SPRING TO VARY THE EFFECTIVE LENGTH OF THE SPRING, A SUPPORT SLIDABLY DISPOSED ON THE FRAME OPPOSITE ONE OF SAID ARMS AND A LEVER CARRIED BY THE SUPPORT AND HAVING ENDS EXTENDING IN OPPOSITE DIRECTIONS FROM THE SUPPORT, SAID SUPPORT COMPRISING A FULCRUM FOR THE LEVERS, MEANS TO MOVE THE SUPPORT ALONG THE FRAME INCLUDING A NUT MEMBER ON THE SUPPORT DISPOSED BELOW THE FRAME AND A SCREW SUPPORTED BELOW THE FRAME AND ENGAGED IN THE NUT MEMBER AND MEANS CARRIED BY THE FRAME AND CONNECTED TO THE SCREW FOR ROTATING THE SCREW AND MOVING SAID SUPPORT, ONE OF SAID ARMS HAVING A ROLLER CARRIED THEREBY, SAID ROLLER RESTING ON SAID LEVER TO ONE SIDE OF THE FULCRUM AND MEANS TO ADJUST THE POSITION OF THE ROLLER RELATIVE TO THE ARM, AND SPRING MEANS CONNECTED BETWEEN SAID ARM ND THE FRAME FOR MOVING THE ARM WITH THE ROLLER INTO ENGAGEMENT WITH THE LEVER, MEANS FOR CONTROLLING THE FLOW OF THE OTHER COMPONENT INCLUDING A REVERSIBLE MOTOR AND A CONTROL ARM CONNECTED THERETO AND MOVABLE LONGITUDINALLY IN RESPONSE TO ENERGIZATION OF THE MOTOR BY A MOTOR CIRCUIT, A SECOND LEVER CONNECTED TO SAID CONTROL ARM, A CAM CONNECTED TO AND ACTUATED BY SAID SECOND LEVER, A LEVER HAVING A CAM ENGAGING PORTION IN ENGAGEMENT WITH THE CAM AND A FIRST LEVER ENGAGING PORTIN FOR PRESSURE ENGAGEMENT WITH THE OTHER END OF THE FIRST LEVER, A MOTOR CIRCUIT AND SWITCH MEANS FOR CONTROLLING THE MOTOR CIRCUIT, MEANS FOR ADADJUSTABLY SUPPORTING SAID SWITCH MEANS IN OPERATIVE CONNECTION WITH SAID SWITCH OPERATING PLTE.

Claim 2

AN APPARATUS FOR THE CONTROL OF THE ADMISSION OF A COMBUSTION COMPONENT INTO A STEM BOILER COMBUSTION CHAMBER WHEREIN AIR AND FUEL COMBUSTION COMPONENTS ARE ADMITTED THROUGH A BURNER AND WHEREIN THE FLOW OF ONE OF SAID COMPONENTS IS CONTROLLED BY THE STREAM PRESSURE IN THE BOILER, COMPRISING A FRAME, A PRESSURE SENSITIVE MEMBER MOVABLE RESPONSIVE TO THE FLOW OF ONE OF SAID COMPONENTS DISPOSED BELOW THE FRAME, A SWITCH OPERATING PLATE HINGEDLY SUPPORTED AT ONE END TO SAID FRAME AND MEANS CONNECTING SAID PRESSURE SENSITIVE MEMBER TO THE SWITCH OPERATING PLATE THROUGH THE FREE END OF THE PLATE, A PAIR OF ARMS HINGEDLY SUPPORTED AT ONE END OF THE FRAME ABOVE THE SWITCH OPERATING PLATE, SAID PRESSURE SENSITIVE MEMBER BEING CONNECTED TO ONE OF SAID ARMS FOR TRANSMITTING MOVEMENT THERETO AND THE POINT OF CONNECTION INCLUDING A LEAF SPRING CARRIED BY ONE OF THE ARMS AND CLAMP MEANS SLIDABLE ALONG THE ARM ND SPRING AND ARRANGED TO CLAMP THE SPRING TO THE ARM AT DIFFERENT POSITIONS LONGITUDINALLY OF THE ARM AND SPRING TO VARY THE EFFECTIVE LENGTH OF THE SPRING, A SUPPORT SLIDABLY DISPOSED ON THE FRAME OPPOSITE ONE OF SAID ARMS AND A LEVER CARRIED BY THE SUPPORT AND HAVING ENDS EXTENDING IN OPPOSITE DIRECTIONS FROM THE SUPPORT, SAID SUPPORT COMPRISING A FULCRUM FOR THE LEVERS, MEANS TO MOVE THE SUPPORT ALONG THE FRAME INCLUDING A NUT MEMBER ON THE SUPPORT DISPOSED BELOW THE FRAME AND A SCREW SUPPORTED BELOW THE FRAME AND ENGAGED IN THE NUT MEMBER AND MEANS CARRIED BY THE FRAME AND CONNECTED TO THE SCREW FOR ROTATING THE SCREW AND MOVING SAID SUPPORT, ONE OF SAID ARMS HAVING A ROLLER CARRIED THEREBY, SAID ROLLER RESTING ON SAID LEVER TO ONE SIDE OF THE FULCRUM AND MEANS TO ADJUST THE POSITION OF THE ROLLER RELATIVE TO THE ARM, AND SPRING MEANS CONNECTED BETWEEN SAID ARM ND THE FRAME FOR MOVING THE ARM WITH THE ROLLER INTO ENGAGEMENT WITH THE LEVER, MEANS FOR CONTROLLING THE FLOW OF THE OTHER COMPONENT INCLUDING A REVERSIBLE MOTOR AND A CONTROL ARM CONNECTED THERETO AND MOVABLE LONGITUDINALLY IN RESPONSE TO ENERGIZATION OF THE MOTOR BY A MOTOR CIRCUIT, A SECOND LEVER CONNECTED TO SAID CONTROL ARM, A CAM CONNECTED TO AND ACTUATED BY SAID SECOND LEVER, A LEVER HAVING A CAM ENGAGING PORTION IN ENGAGEMENT WITH THE CAM AND A FIRST LEVER ENGAGING PORTIN FOR PRESSURE ENGAGEMENT WITH THE OTHER END OF THE FIRST LEVER, A MOTOR CIRCUIT AND SWITCH MEANS FOR CONTROLLING THE MOTOR CIRCUIT, MEANS FOR ADADJUSTABLY SUPPORTING SAID SWITCH MEANS IN OPERATIVE CONNECTION WITH SAID SWITCH OPERATING PLTE.