Heating apparatus for burning gases or liquid fuels, especially fuel oil

Claim 1

A HEATING APPARATUS FOR BURNING GASEOUS OR LIQUID FUELS, ESPECIALLY FUEL OIL, COMPRISING, IN COMBINATION, A CUP-SHAPED COMBUSTION CHAMBER HAVING A CLOSED END AND AN OPEN END; COMBUSTION GAS GUIDE MEANS COMMUNICATING WITH SAID OPEN END OF SAID COMBUSTION CHAMBER AND FORMING THEREWITH A RESONANCE SYSTEM, AIR PASSAGE MEANS COMMUNICATING AT ONE END THEREOF WITH SAID COMBUSTION CHAMBER INTERMEDIATE THE ENDS OF THE LATTER; AIR BLOWER MEANS CONNECTED TO THE OTHER END OF SAID AIR PASSAGE MEANS FOR PRODUCING A CONTINUOUS PRESSURE ON THE AIR IN SAID AIR PASSAGE MEANS SO THAT SAID AIR PERMANENTLY TENDS TO ENTER SAID COMBUSTION CHAMBER, AND FUEL SUPPLY MEANS COMMUNICATING WITH SAID COMBUSTION CHAMBER THROUGH SAID CLOSED END THEREOF AND INCLUDING MECHANICAL MEANS FOR CYCLICALLY FEEDING FUEL AT A PREDETERMINED FREQUENCY INTO SAID COMBUSTION CHAMBER TO PRODUCE DURING COMBUSTION THEREOF COMPRESSIONAL VIBRATIONS HAVING TIMELY SPACED COMPRESSION PERIODS IN SAID COMBUSTION CHAMBER SUBSTANTIALLY PREVENTING ENTRANCE OF AIR FROM SAID BLOWER DURING SAID COMPRESSION PERIODS WHEREBY AIR IS INTERMITTENTLY SUPPLIED THROUGH SAID AIR PASSAGE MEANS TO SAID COMBUSTION CHAMBER AT SAID PREDETERMINED FREQUENCY AT TIMES BETWEEN SAID COMPRESSIUON PERIODS.