[특허]Spark-ignited internal combustion engine modified for multi-fuel operation

[미국특허] Spark-ignited internal combustion engine modified for multi-fuel operation 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02M-037/00 F02B-069/02 F02B-051/02 F02D-041/00 F02G-005/00 F02B-063/04 F02D-009/02
출원번호	US-0826263 (2015-08-14)
등록번호	US-10060344 (2018-08-28)
발명자 / 주소	Roychoudhury, Subir Mastanduno, Richard Spence, David Lang Crowder, Bruce Morgan, Curtis
출원인 / 주소	PRECISION COMBUSTION, INC.
대리인 / 주소	Zuckerman, Marie F.
인용정보	피인용 횟수 : 0 인용 특허 : 22

초록 ▼

A spark-ignited (SI) internal combustion (IC) engine designed to operate on high octane fuels, such as gasoline, is reconfigured to operate on low octane fuels including logistically preferred distillate fuels, such as diesel or JP-8. Design modifications involve coupling a fuel reformer module to the internal combustion engine. Auxiliary components include a system control module, a heat exchange module, a bypass valve to facilitate start-up, and/or a throttle body to control a reformate-oxidizer mixture fed to the engine. Small portable generators having 0.3-3.0 kWe power output are disclosed based upon the modified SI-IC engine design.

대표청구항 ▼

1. A method of operating a spark-ignited internal combustion engine on a low octane distillate fuel comprising: (a) in a reformer module, contacting an oxidizer and distillate fuel having an octane rating less than 30 with a mesh or foam substrate having an ultra-short-channel length, the substrate having supported thereon a reforming catalyst; the contacting being conducted under partial oxidation reaction conditions sufficient to convert the distillate fuel into a reformate comprising hydrogen and carbon monoxide;(b) feeding the reformate exiting the reformer into a heat exchange module wherein the reformate is in thermal conductive contact with a heat transfer fluid, so as to cool the reformate;(c) feeding the cooled reformate and an additional supply of oxidizer into one or more reciprocating pistons of a spark-ignited internal combustion engine having one or more combustion chambers, each combustion chamber comprising said reciprocating piston and a spark igniter;(d) co-feeding the distillate fuel having an octane number less than 30 with the cooled reformate to the one or more reciprocating pistons of the spark-ignited internal combustion engine; and combusting therein the reformate, the co-fed distillate fuel and the additional supply of oxidizer, with a spark-ignited internal combustion engine compression. 2. The method of claim 1 wherein the reformate has an octane rating greater than 80. 3. The method of claim 1 wherein the reformate comprises from 20 to less than 100 percent and wherein the co-fed distillate fuel comprises from greater than 0 to 80 percent of the total fuel fed to the engine. 4. The method of claim 1 wherein the liquid distillate fuel fed to the reformer and the liquid distillate fuel co-fed to the engine are each individually selected from the group consisting of kerosene, diesel, JP-8, JP-10, Jet-A, biodiesel, and mixtures thereof; and wherein the oxidizer fed to the reformer and the oxidizer fed to the engine are each individually selected from essentially pure oxygen, a mixture of oxygen and nitrogen, or a mixture of oxygen and an inert gas. 5. The method of claim 1 wherein mechanical energy output from the internal combustion engine is converted into electrical energy of from 0.3 to 3.0 kWe output.

이 특허에 인용된 특허 (22) 인용/피인용 타임라인 분석

Roychoudhury, Subir; Lyubovsky, Maxim; Berry, Jonathan D., Apparatus for vaporizing and reforming liquid fuels.
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Roychoudhury, Subir; Lyubovsky, Maxim; Morgan, Curtis; DesJardins, Joel; Walsh, Dennis, Catalytic system for converting liquid fuels into syngas.
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Greiner Leonard (2750-C Segerstrom Santa Ana CA 92704), Cold start characteristics of ethanol as an automobile fuel.
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Lindberg John E. (Lafayette CA), Combustion and pollution control system.
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Ament,Frank, Exhaust emission aftertreatment.
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Noguchi ; Masaaki ; Bunda ; Tsuchio ; Tanaka ; Taro, Fuel reforming apparatus for use with internal combustion engine.
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Houseman John (Pasadena CA) Cerini Donald J. (Flintridge CA), Hydrogen-rich gas generator.
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Wakao,Kazuhiro; Sakurai,Kazuhiro; Itou,Takaaki; Ichinose,Hiroki, Internal combustion engine and method of operating internal combustion engine.
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Ouchi ; Keido, Internal combustion engine operated on a reformed gas.
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Allston,Brian K.; Kirwan,John E.; Haller,James M., Method and apparatus for fueling an internal combustion engine.
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Roychoudhury, Subir; Lyubovsky, Maxim; Berry, Jonathan, Method and system for vaporization of liquid fuels.
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Castaldi,Marco J.; Lyubovsky,Maxim; Roychoudhury,Subir, Method for improved selectivity.
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Fujitani ; Yoshiyasu ; Muraki ; Hideaki, Method for operating internal combustion engine.
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Castaldi, Marco J., Method for reduced methanation.
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Quader,Ather A.; Kirwan,John E.; Dingle,Philip J.; Grieve,Malcolm James, Methods for operating a compression ignition engine.
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Botti,Jean J, Methods of operating a compression ignition engine and a vehicle system.
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Pfefferle William C. (51 Woodland Dr. Middletown NJ 07748), Microlith catalytic reaction system.
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Hamper Hans (Erlangen DT) Koch Christian (Nurnberg-Grossgrundlach DT), Quick start device for reformed-gas generators.
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Roychoudhury, Subir; Spence, David; Mastanduno, Richard; Walsh, Dennis E.; Iwamoto, Jun; Motohashi, Go; Mikami, Hitoshi; Walker, Eric, Reactor flow control apparatus.
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Houseman John (Pasadena CA) Cerini Donald J. (Flintridge CA), Start up system for hydrogen generator used with an internal combustion engine.
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Smith Jack A. ; Podnar Daniel J. ; Cole James J. ; Kubesh John T. ; Bartley Gordon J., Stoichiometric synthesis, exhaust, and natural-gas combustion engine.
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Smith Warren F. ; Roychoudhury Subin ; Pfefferle William C., Structure for and method of manufacturing aerodynamic expanded metal.
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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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[미국특허] Spark-ignited internal combustion engine modified for multi-fuel operation 원문보기