[특허]Afterburning ericsson cycle engine

Afterburning ericsson cycle engine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01B-031/02
출원번호	US-0954359 (1997-10-20)
발명자 / 주소	Proeschel Richard A.
대리인 / 주소	Unterberg
인용정보	피인용 횟수 : 19 인용 특허 : 0

초록 ▼

This invention is a heat engine operating on the afterburning Ericsson cycle whose principle is heat addition to the cycle by an afterburner in which fuel is burned with the low-pressure air working fluid exhausted by the expander. The resulting combustion gases are used in a countercurrent heat exchanger continually heating (1) the air expanding in the expander and (2) further upstream the high-pressure air (compressed by the compressor) in the regenerator. The ideal efficiency of this cycle is the Carnot cycle efficiency between the same top and bottom temperatures. Practical engines are more efficient than those in which heat addition takes place upstream of the expander. All moving parts are only exposed to clean air, and expander valves can be operated at temperatures comparable to current internal combustion engines. Liquid or gaseous fuels can be used and control of speed and power is simple, based on keeping engine temperatures constant. With the low-pressure continuous combustion, pumping and sealing problems are easily solved, engine noise level is low, and air-polluting emissions are minimal. Dual-cylinder engines with synchronized alternating pistons give rise to completely constant afterburner conditions which avoid thermal transients and facilitate engine operation. The performance of afterburning Ericsson cycle engines exceeds that of current internal combustion engines, in terms of thermal efficiency and specific fuel consumption.

대표청구항 ▼

[ I claim:] [1.] A regenerative external combustion open cycle heat engine operating on the afterburning Ericsson cycle which achieves Carnot cycle efficiency, said engine comprising:compressor means for compressing ambient air to a peak pressure;a regenerator for receiving said air at peak pressure from said compressor means and for heating said air using regenerator heating means;expander means for receiving said heated air at peak pressure from the regenerator and for expanding said air to a low pressure while further heating said air using expander heating means;afterburner means for receiving said further heated air at low pressure from said expander means, mixing said air with a fuel to form a combustible air-fuel mixture, and igniting said air-fuel mixture to form hot combustion gases at a flame temperature;an expander heat transfer passage located around said expander means for receiving said hot combustion gases in countercurrent flow from said afterburner means whereby heat is transferred from said hot combustion gases to expanding air in said expander means, the combination of said hot gases and said expander heat transfer passage constituting said expander heating means, with said hot gases exiting said expander heat transfer passage at reduced temperature in countercurrent flow into the regenerator, constituting said regenerator heating means, said hot gases being cooled in the regenerator and discharged from the regenerator to atmosphere.

이 특허를 인용한 특허 (19)

Proeschel,Richard Alan, Afterburning, recuperated, positive displacement engine.
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Richard A. Proeschel, Annular flow concentric tube recuperator.
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Kashmerick, Gerald E., Combustion engine.
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Dicic,Zoran, External combustion thermal engine.
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Proeschel, Richard Alan, Glycerin fueled afterburning engine.
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Thevenod, Frédéric Oliver, Heat engine with external heat source and associated power generation unit and vehicle.
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Furr, Douglas K., High efficiency internal explosion engine.
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Feinstein, Jonathan Jay, Internal combustion engine.
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Crow,Darby, Method and apparatus for converting thermal energy to mechanical energy.
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Furr, Douglas K., Power linkage assembly for a high efficiency internal explosion engine.
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Maisotsenko,Valeriy Stepanovich; Gillan,Leland Earl; Heaton,Timothy Lawrence; Gillan,Alan Dale, Power system and method.
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Raab, Gottfried; Raup, Markus; Klammer, Josef; Kirchberger, Roland; Lang, Michael, Reciprocating expansion engine and piston of a reciprocating expansion engine.
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Proeschel, Richard Alan, Reciprocating hot air bottom cycle engine.
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Frazier, Scott R.; Tandler, John; Fitzgerald, Jacob; Lau, Alexander; Von Herzen, Brian, Rotary compressor-expander systems and associated methods of use and manufacture.
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Frazier, Scott R.; Tandler, John; Fitzgerald, Jacob; Lau, Alexander; Von Herzen, Brian, Rotary compressor-expander systems and associated methods of use and manufacture, including integral heat exchanger systems.
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Frazier, Scott R.; Lau, Alex; Von Herzen, Brian, Semi-isothermal compression engines with separate combustors and expanders, and associated systems and methods.
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Crow, Darby, Thermal engine utilizing isothermal piston timing for automatic, self-regulating, speed control.
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Lasker, George, Uncoupled, thermal-compressor, gas-turbine engine.
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Lasker, George, Uncoupled, thermal-compressor, gas-turbine engine.
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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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Afterburning ericsson cycle engine 원문보기

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