[특허]Gas turbine fuel control system

Gas turbine fuel control system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-009/40 F02C-009/28 F02C-003/20
출원번호	US-0818785 (2015-08-05)
등록번호	US-10145309 (2018-12-04)
발명자 / 주소	Brand, Joseph H. Dooley, Kevin Allan
출원인 / 주소	PRATT & WHITNEY CANADA CORP.
대리인 / 주소	Norton Rose Fulbright Canada LLP
인용정보	피인용 횟수 : 0 인용 특허 : 23

초록 ▼

A method of controlling a flow of a fuel mixture of different types of fuel in a gas turbine engine is described which includes determining a combustive energy value of an input of the fuel mixture in the engine, extracting fuel schedule data from a fuel schedule established for a reference fuel, determining a desired fuel mixture flow rate by adapting the fuel schedule data to the fuel mixture based on the combustive energy value, and controlling a fuel metering device of the engine such that the fuel mixture flow rate corresponds to the desired fuel mixture flow rate.

대표청구항 ▼

1. A method of controlling a flow of a fuel mixture of different types of fuel in a gas turbine engine, the method comprising: determining a combustive energy value of an input of the fuel mixture in the gas turbine engine, by calculating the combustive energy value from a proportion of each of the types of fuel in the fuel mixture and from a known combustive energy value of the each of the types of fuel;extracting fuel schedule data from a fuel schedule established for a reference fuel;determining a desired fuel mixture flow rate by adapting the fuel schedule data to the fuel mixture based on the combustive energy value; andcontrolling a fuel metering device of the gas turbine engine such that a fuel mixture flow rate corresponds to the desired fuel mixture flow rate. 2. The method as defined in claim 1, wherein the desired fuel mixture fuel flow rate is a required fuel flow rate upon start up of the gas turbine engine, the fuel schedule includes start up fuel data, and the combustive energy value is determined before start up of the gas turbine engine. 3. The method as defined in claim 2, wherein determining the combustive energy value includes directly sensing the combustive energy value. 4. The method as defined in claim 2, further comprising sensing the proportion the of each of the types of fuel in the fuel mixture. 5. The method as defined in claim 1, wherein the desired fuel mixture fuel flow rate is a required fuel flow rate while the gas turbine engine is lit, the method further includes a step of sensing temperature and pressure characteristics of the flow of the fuel mixture and of air within the gas turbine engine to produce engine sensor data, and wherein the fuel schedule data is extracted from the fuel schedule based on the engine sensor data. 6. The method as defined in claim 5, further comprising sensing one or more of a flow rate of the air in the gas turbine engine, a rise in temperature of the air during combustion, and the fuel mixture flow rate, and wherein determining the combustive energy value is performed by calculating the combustive energy from the sensed one or more of the air flow rate, the rise in temperature and the fuel mixture flow rate. 7. The method as defined in claim 5, wherein determining the combustive energy value includes directly sensing the combustive energy value. 8. The method as defined in claim 5, wherein determining the combustive energy value includes sensing the proportion of the each of the types of fuel in the fuel mixture, and calculating the combustive energy value from the sensed proportion and from the combustive energy value of each of the types of fuel. 9. The method as defined in claim 1, further comprising determining at least one equivalent characteristic of the reference fuel corresponding to the combustive energy value, and displaying the at least one equivalent characteristic. 10. The method as defined in claim 9, wherein the at least one equivalent characteristic of the reference fuel includes an equivalent mass flow of the reference fuel. 11. The method as defined in claim 1 wherein the combustive energy value is the lower heating value.

이 특허에 인용된 특허 (23)

Brushwood, John Samuel; Pillsbury, Paul; Foote, John; Heilos, Andreas, Apparatus and method for combusting low quality fuel.
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Goff Edward R. (Phoenix AZ) Cannon Dennis L. (Scottsdale AZ), Closed loop fuel control system.
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Vandervort Christian L., Combustion dynamics control for variable fuel gas composition and temperature based on gas control valve feedback.
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Furr Danny L. (Broken Arrow OK), Control of fuel gas blending.
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Sako,Masaaki; Ota,Hideaki, Electric power supply equipment.
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Scott, Michael W., Energy based fuel control system for gas turbine engines running on multiple fuel types.
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DeWitte, Justin E.; Prevost, John M.; Li, Zhong; Krausman, Howard W., Engine operation on an unknown ethanol fuel blend.
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Orzel Daniel V. (Westland MI) Boruta William E. (Dearborn MI) Curran Judith M. (Northville MI), Flexible fuel control system with fuel transit delay compensation.
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Snow Barton H. (Cincinnati OH), Gas turbine fuel control.
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Snow Barton H. (Cincinnati OH), Gas turbine fuel control.
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LaCroix Stephen R. (Scottsdale AZ), Gas turbine fuel control system.
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Vander Heyden William H. ; Berg Ronald Arthur, Measuring heating value of a gas using flameless combustion.
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Uchiyama Yoshihiro (Hitachi JPX) Tamura Zensuke (Tokyo JPX) Sugita Shigehisa (Hitachi JPX) Tsukahara Satoshi (Hitachi JPX), Method and apparatus for controlling combustion of gasified fuel.
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Hornemann Johan Adrianus Tilmann,NLX, Method for determining the calorific value of a gas and/or the Wobbe index of a natural gas.
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Battah Husam (Troy MI), Method of controlling a motive power and fluid driving system.
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Huff Shean ; Cheng Yi ; Nankee ; II Robert J. ; Joyce Mary ; Kennie Jerry ; Richardson Roland T. ; Seitz Gary L., Method of determining the composition of fuel in a flexible fueled vehicle after fuel blending.
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Gilbert Braun DE; Eberhard Deuker DE, Method of operating a burner and burner configuration.
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Rowen William I. (Schenectady NY) Kure-Jensen Jens (Schenectady NY), Method of operating a combined cycle steam and gas turbine power generating system with constant settable droop.
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Eric J. Kress ; Curtis L. Brown ; Douglas M. Fortuna, Methods and apparatus for operation of gas turbines.
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Guillermo Pont ; James Brian Dickey ; Ed Edelman ; Mark G. Gilbreth ; Jeffrey W. Willis, System and method for modular control of a multi-fuel low emissions turbogenerator.
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Scott Michael W. ; Zimmerman Jeffrey S.,CAX, Variable fuel heating value adaptive control for gas turbine engines.
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Sood Virendra M. (Olivenhain CA) Faulder Leslie J. (San Diego CA), Wide range gaseous fuel combustion system for gas turbine engines.
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Sood Virendra M. (Olivenhain CA) Faulder Leslie J. (San Diego CA), Wide range gaseous fuel combustion system for gas turbine engines.
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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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Gas turbine fuel control system 원문보기

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Gas turbine fuel control system 원문보기

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