High flame-low flame burners

Claim 1

A HIGH RATE, LOW RATE HEATING SYSTEM HAVING IN COMBINATION: BURNER MEANS, FUEL PUMPING AND PRESSURE REGULATING MEANS EXCESS FUEL BYPASS MEANS ASSOCIATED WITH SAID PRESSURE REGULATING MEANS, A FLOW DIRECTING VALVE, FUEL CONDUIT MEANS EXTENDING FROM THE OUTPUT SIDE OF SAID PUMPING MEANS TO INTAKE PORT MEANS OF SAID VALVE, A NORMALLY OPENED AND A NORMALLY CLOSED PASSAGEWAY THROUGH SAID VALVE, AUTOMATICALLY ACTUABLE MEANS TO CLOSE SAID NORMALLY OPENED PASSAGEWAY AND TO SIMULTANEOUSLY OPEN SAID NORMALLY CLOSED PASSAGEWAY, SAID BURNER MEANS INCLUDING A FIRST FUEL CONDUIT EXTENDING FROM THE EXIT PORT OF SAID NORMALLY OPENED PASSAGEWAY OF SAID VALVE, A FIRST CALIBRATED NOZZLE AT THE TERMINUS OF SAID SECOND CONDUIT, A SECOND FUEL CONDUIT EXTENDING FROM THE EXIT PORT OF SAID NORMALLY CLOSED PASSAGEWAY OF SAID VALVE, A SECOND CALIBRATED NOZZLE AT THE TERMINUS OF SAID SECOND FUEL CONDUIT, AN AIR BLAST TUBE LEADING TO SAID NOZZLES TO DELIVER COMBUSTION AIR TO THE FUEL EMITTED THEREBY, A PRIMARY BLOWER HAVING MEANS FOR THE INTAKE OF AMBIENT AIR AND AIR RATE REGULATION MEANS AND WITH AIR DISCHARGE MEANS CONNECTED TO SAID BLAST TUBE, AN AUXILIARY BLOWER HAVING MEANS FOR THE INTAKE OF AMBIENT AIR AND AIR RATE REGULATION MEANS AND WITH AIR DISCHARGE MEANS CONNECTED TO SAID BLAST TUBE, A FIRST CONSTANT SPEED ELECTRIC MOTOR FOR ACTUATING SAID PUMPING MEANS AND SAID PRIMARY BLOWER, A SECOND CONSTANT SPEED ELECTRIC MOTOR FOR ACTUATING SAID AUXILIARY BLOWER, FIRST AUTOMATIC CONTROL MEANS, INDIVIDUAL TO SAID FIRST ELECTRIC MOTOR, AND SECOND AUTOMATIC CONTROL MEANS COMMON TO SAID SECOND ELECTRIC MOTOR AND THE AUTOMATICALLY ACTUABLE MEANS ASSOCIATED WITH SAID PASSAGEWAYS; AND RESPONSIVE TO A REQUIREMENT FOR A LOW RATE, LOW FLAME HEATING CONDITION, SAID FIRST AUTOMATIC CONTROL MEANS BEING ADAPTED TO CAUSE THE ENERGIZATION OF SAID FIRST ELECTRIC MOTOR AND THE ACTUATION THEREBY OF SAID PRIMARY BLOWER AND SAID PUMPING MEANS TO CAUSE A DEFINED, LOW RATE OF FUEL TO ISSUE FROM SAID FIRST CALIBRATED NOZZLE AND WITH SAID PRIMARY BLOWER DISCHARING A DEFINED, LOW RATE OF AIR THROUGH SAID BLAST TUBE TO SUPPORT SAID LOW RATE OF FUEL IN COMBUSTION; AND, RESPONSIVE TO A REQUIREMENT FOR A HIGH RATE, HIGH FLAME HEATING CONDITION, SAID SECOND AUTOMATIC CONTROL MEANS BEING ADAPTED TO CUASE THE ENERGIZATION OF SAID SECOND ELECTRIC MOTOR AND SAID AUTOMATICALLY ACTUABLE MEANS TO THEREBY OPEN SAID NORMALLY CLOSED PASSAGEWAY AND TO SIMULTANEOUSLY CLOSE SAID NORMALLY OPENED PASSAGEWAY AND TO SIMULTANEOUSLY TO CAUSE A DEFINED, HIGH RATE OF FUEL TO ISSUE FROM SAID SECOND CALIBRATED NOZZLE, AND WITH THE ACTUATED AUXILIARY BLOWER DISCHARGING A DEFINED RATE OF AIR INTO SAID BLAST TUBE TO AUGMENT THE DEFINED RATE OF AIR INTO SAID BLAST PRIMARY BLOWER, THE COMBINED AIR DISCHARGE RATES OF SAID PRIMARY AND AUXILIARY BLOWERS ISSUING FROM SAID BLAST TUBE AS DEFINED, HIGH RATE OF AIR TO SUPPORT SAID HIGH RATE OF FUEL IN COMBINATION.