A portable gas-fired heater comprising a housing, a burner assembly, and a carbon dioxide detector system. The housing is adapted to at least partially enclose a fuel source. The burner assembly is enclosed by the housing.
대표청구항▼
1. A portable gas-fired radiant heater comprising: a housing;a fuel source;a fuel connection fitting;an air inlet;a burner assembly mounted within the housing, said burner assembly comprising a fuel valve adapted to control communication with said fuel sourcea radiant surface in the housing, said ra
1. A portable gas-fired radiant heater comprising: a housing;a fuel source;a fuel connection fitting;an air inlet;a burner assembly mounted within the housing, said burner assembly comprising a fuel valve adapted to control communication with said fuel sourcea radiant surface in the housing, said radiant surface adapted to function as a combustion site; andan automatic shutoff mechanism operatively associated with the burner assembly for shutting off the fuel valve in response to a detection of a predetermined level of carbon dioxide, said automatic shutoff mechanism comprising, a carbon dioxide detector,a standing pilot,a safety valve,a PC board, anda power supply. 2. The portable heater of claim 1 further comprising an igniter. 3. The portable heater of claim 1 wherein said fuel source comprises a propane fuel tank. 4. The portable heater of claim 1 wherein said fuel source comprises at least two propane fuel tanks, wherein said propane fuel tanks are completely enclosed within said housing. 5. The portable heater of claim 1 further comprising a controller for selectively switching operation states of the portable heater. 6. The portable heater of claim 1 further comprising a regulator for reducing pressure from an associated fuel source. 7. The portable heater of claim 1 further comprising a fan; anda power source for said fan. 8. The portable heater of claim 7 wherein said power source is selected from the group consisting of a dry cell battery, a battery pack, and combinations thereof. 9. The portable radiant heater of claim 1 wherein the automatic shutoff mechanism shuts off at measured carbon dioxide levels at a predetermined level. 10. The portable radiant heater of claim 1 wherein the automatic shutoff mechanism shuts off at calculated oxygen levels of approximately at least 18%. 11. The portable heater of claim 1 wherein said fuel source comprises at least two propane fuel tanks, wherein the first propane tank has a first temperature controller and a first igniter and the second propane tank has a second temperature controller and a second igniter. 12. A portable gas-fired infrared heater comprising: a housing, said housing comprising a handle adapted for transporting the heater, andan air inlet;a regulator;a burner assembly mounted within the housing, said burner assembly comprising a fuel valve adapted to control communication with a fuel source,a venturi for mixing air from the air inlet and fuel from the fuel valve into a fuel-air mixture;a radiant surface, said radiant surface recessed into the housing,disposed at an angle to vertical, andcomprising a rear face;a plenum chamber adjacent to said radiant surface, said plenum chamber in communication with said radiant surface, andadapted to distribute said fuel-air mixture onto the rear face of the radiant surface; anda carbon dioxide detector system, said carbon dioxide detector system adapted to shut off the fuel valve in response to detection of a predetermined level of carbon dioxide, andsaid carbon dioxide detector system comprising, a standing pilot,a safety valve,a PC board, anda power supply. 13. The portable heater of claim 12 further comprising a control knob adapted for selecting various operative states of the heater. 14. The portable heater of claim 12 further comprising an elongated hose assembly adapted for connecting the heater to a fuel source. 15. The portable heater of claim 12, wherein said fuel source is a propane tank. 16. The portable heater of claim 12 further comprising an igniter. 17. The portable heater of claim 12 which further comprises a fan adapted to increase air circulation through said heater; anda power source adapted to power said fan, said power source comprising a member selected from the group consisting of a dry cell battery, a battery pack, and combinations thereof. 18. The portable heater of claim 12 wherein said fuel source comprises at least two propane fuel tanks, wherein said propane fuel tanks are completely enclosed within said housing. 19. The portable heater of claim 12 wherein said fuel source comprises at least two propane fuel tanks, wherein the first propane tank has a first temperature controller and a first igniter and the second propane tank has a second temperature controller and a second igniter. 20. The portable heater of claim 12 wherein the carbon dioxide detector system measures the carbon dioxide in the atmosphere, calculates an oxygen level from the measured carbon dioxide, compares the calculated oxygen level to a predetermined oxygen level, and interrupts a signal output necessary to keep the safety valve open when the calculated oxygen level is less than the predetermined oxygen level.
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