[특허]Flashback resistant fuel staged premixed combustor

Flashback resistant fuel staged premixed combustor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-007/08
출원번호	US-0989727 (1992-12-10)
발명자 / 주소	Leonard Gary L. (Cincinnati OH)
출원인 / 주소	General Electric Company (Schenectady NY 02)
인용정보	피인용 횟수 : 76 인용 특허 : 0

초록 ▼

In order to reduce emissions of NOx, CO and unburned hydrocarbons, the flame temperature must be kept between 2500°-2800°F. Premixing combustor tubes are used to premix the fuel and air before the mixture is burned in the combustion chamber. The tubes are flashback resistant due to the flow of the fuel and air mixture through them. If it is desired to reduce the load operation of the combustor to substantially below 100% of its maximum load operation, as is the case during off-peak hours, the fuel and air flow rate can be regulated to reduce the load operation while still keeping the low emissions and the low flame temperature.

대표청구항 ▼

A combustor system, comprising: a combustion chamber for combusting a mixture of a first fuel and air; a liquid fuel introduction means substantially located within said combustion chamber; premixing combustor tubes for premixing said first fuel and air in said tubes before said first fuel and air enter said combustion chamber, said tubes having first and second ends with holes located along said first end and said second end being substantially located within said combustion chamber; wherein said premixing tubes are further comprised of a bundle of tubes substantially centered around said liquid fuel introduction means with said bundle being divided into at least three consecutive rings of tubes said consecutive rings being of varying diameters with said third ring encircling said second ring which encircles said first ring; a fuel introduction means connected to said first end of said premixing combustor tubes for introducing said first fuel into said tubes; an air introduction means for introducing air into said premixing combustor tubes; and control means for controlling said first fuel, said liquid fuel and said air while maintaining low emissions and a low flame temperature in said combustion chamber, wherein said combustor chamber is further comprised of: an outer wall; an inner wall; a heat resistant coating located substantially along a portion of said inner wall; and perforations located substantially along another portion of said inner wall and along a portion of said outer wall.

이 특허를 인용한 특허 (76)

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Dawson, Robert W., Gas turbine combustor having staged burners with dissimilar mixing passage geometries.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Flashback resistant fuel staged premixed combustor 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (76)

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연합인증

Flashback resistant fuel staged premixed combustor 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (76)

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