[특허]Gas-fired portable unvented infrared heater for recreational and commercial use

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F24H-001/06
출원번호	US-0051561 (2002-01-18)
발명자 / 주소	Vandrak, Brian S. DuRoss, Jr., John D. Haire, Allan L.
출원인 / 주소	Mr. Heater Corporation
대리인 / 주소	Buckingham, Doolittle & Burroughs, LLP
인용정보	피인용 횟수 : 55 인용 특허 : 11

초록 ▼

A portable heater adapted for use in a recreational enclosure or temporary work enclosure includes a housing having an air inlet on the lower front face. A gas supply is partially enclosed by the housing which provides propane to the mouth of a burner venturi located within the housing. Air is drawn

A portable heater adapted for use in a recreational enclosure or temporary work enclosure includes a housing having an air inlet on the lower front face. A gas supply is partially enclosed by the housing which provides propane to the mouth of a burner venturi located within the housing. Air is drawn through the air inlet and also enters the mouth of the burner venturi. The air and gas are mixed thoroughly as they travel upwardly through the burner venturi. A chimney effect increases fresh air flow velocity into the burner venturi and allows the heater to operate at a reduced fuel gas pressure. Upon exiting the burner venturi, the air/gas mixture is to a plenum and radiant surface where combustion takes place. Any conventional means may be provided to ignite the air/gas mixture in order to cause combustion. The combustion products deflect off a deflector, which is cooled on a rear face by air flow through the housing, which decreases the temperature of the combustion products before exiting an outlet. An oxygen depletion system (ODS) shuts off the portable heater when oxygen levels begin to drop and consequently carbon monoxide levels begin to rise.

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A portable heater adapted for use in a recreational enclosure or temporary work enclosure includes a housing having an air inlet on the lower front face. A gas supply is partially enclosed by the housing which provides propane to the mouth of a burner venturi located within the housing. Air is drawn

A portable heater adapted for use in a recreational enclosure or temporary work enclosure includes a housing having an air inlet on the lower front face. A gas supply is partially enclosed by the housing which provides propane to the mouth of a burner venturi located within the housing. Air is drawn through the air inlet and also enters the mouth of the burner venturi. The air and gas are mixed thoroughly as they travel upwardly through the burner venturi. A chimney effect increases fresh air flow velocity into the burner venturi and allows the heater to operate at a reduced fuel gas pressure. Upon exiting the burner venturi, the air/gas mixture is to a plenum and radiant surface where combustion takes place. Any conventional means may be provided to ignite the air/gas mixture in order to cause combustion. The combustion products deflect off a deflector, which is cooled on a rear face by air flow through the housing, which decreases the temperature of the combustion products before exiting an outlet. An oxygen depletion system (ODS) shuts off the portable heater when oxygen levels begin to drop and consequently carbon monoxide levels begin to rise. first recessed slot and said second opening further comprises a second recessed slot. 11. The blow mold shell assembly of claim 1, said clip having an elongate bore defined therein and extending therethrough for receiving said fastener, and an annular shoulder defined within said bore for abutting the fastener as the fastener is passed into the carrier plate. 12. The blow mold shell assembly of claim 1, wherein said fastener comprises a threaded fastener. 13. A blow mold shell assembly for use with a blow mold machine, said blow mold shell assembly comprising: a planar carrier plate having a top edge and two parallel side edges extending from said top edge; a first slotted opening defined in the top edge of said carrier plate; a blow mold half shell having a top edge and two parallel side edges extending from the top edge thereof; a second slotted opening defined in the top edge of said shell; said first and second openings being placed in approximate registry with one another as said shell is positioned on said carrier plate; and a fastener clip sized and shaped to be received in said openings, said clip being constructed and arranged to align said openings with respect to one another and to draw said shell snugly against said carrier plate as a fastener is passed through said clip and into said carrier plate for fastening the half shell to the carrier plate. 14. The blow mold shell assembly of claim 13, wherein said clip extends across the top edge of said carrier plate and the top edge of said half shell within said first and second openings, respectively, and fits substantially flush therein with respect t

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[미국특허] Gas-fired portable unvented infrared heater for recreational and commercial use 원문보기

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[미국특허] Gas-fired portable unvented infrared heater for recreational and commercial use 원문보기

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