[특허]System for improving fuel utilization

Vapor Fuel Technologies, LLC

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

System for improving fuel utilization

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02M-031/00
미국특허분류(USC)	123/557
출원번호	UP-0421698 (2006-06-01)
등록번호	US-7631637 (2009-12-24)
발명자 / 주소	Bushnell, Raymond Bryce Dean, Anthony Lewis, Danny Robert
출원인 / 주소	Vapor Fuel Technologies, LLC
대리인 / 주소	Schwabe, Williamson & Wyatt
인용정보	피인용 횟수 : 2 인용 특허 : 96

초록

A vapor fuel air mixture supply system for a combustion engine, whereby the mixture of air and fuel vapor is elevated in temperature prior to combustion. The liquid fuel may be vaporized in a fractionation process and further heated to enhance flame speed combustion and improve efficiency of the system.

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What is claimed is: 1. A system, comprising: a combustion chamber; a vaporized fuel source coupled to the combustion chamber, wherein the vaporized fuel source includes a first heat source configured to heat a quantity of liquid fuel to a first temperature to vaporize a first fraction of the quantity of liquid fuel and, in response to a detected event, to increase the first temperature to a second temperature to vaporize a second fraction of the quantity of liquid fuel; controls adapted to control mixture of the first fraction and the second fraction from the vaporized fuel source with air flow from an air source to generate a first mixture and a second mixture and sequentially direct the first and second mixtures to the combustion chamber; and a second heat source configured to elevate the temperature of the first fraction and the second fraction prior to conveyance into the engine's combustion chamber. 2. A system as defined in claim 1, wherein the quantity of liquid fuel comprises fewer fractions after the vaporization of the first fraction, and the first heat source is controlled in order to increase the temperature of the quantity of liquid fuel to achieve a desired fractionation of the quantity of liquid fuel. 3. A system as defined in claim 1 wherein the air source is configured to direct the air flow to the vaporized fuel source, and the second heat source is configured to heat the air flow prior to entering the vaporized fuel source. 4. A system as defined in claim 3 wherein the air source is configured to bifurcate the air flow into a first air flow directed to the vaporized fuel source and a second air flow directed to a mixing chamber to be introduced to the first and second mixtures. 5. A system as defined in claim 3 wherein a second air source is configured to direct a second air flow to a mixing chamber to sequentially mix with the first and second mixtures prior to entry into the combustion chamber. 6. A system as defined in claim 3, wherein the temperatures of the first and second mixtures leaving the vaporized fuel source are elevated by a third heat source. 7. The system as defined in claim 1, wherein the detected event is a decrease in vaporization at the first temperature. 8. A vaporized fuel system for an engine comprising: a controllable heat source adapted to heat a quantity of liquid fuel contained within a vaporization chamber; said liquid fuel comprising fractions having varying temperatures for vaporization and said controllable heat source adapted to increase a temperature of the quantity of liquid fuel to a first temperature to vaporize a first fraction, and in response to a detected event, increase the temperature of the quantity of liquid fuel from the first temperature to a second temperature to vaporize a second fraction; conduits for conveying ambient air to be intermixed with the first and second fractions and then to said engine for combustion; and a further heat source for heating said mixture of ambient air and vaporized fractions to a further elevated temperature. 9. The vaporized fuel system as defined in claim 8, wherein the detected event is a decrease in vaporization at the first temperature. 10. A vapor fuel supply system, comprising: a mixing chamber coupled to a combustion chamber; a vaporized fuel source coupled to the mixing chamber, the vaporized fuel source including a vaporization chamber and a liquid fuel heat source adapted to increase a temperature of a quantity of liquid fuel to a first temperature to vaporize a first fraction, and in response to a detected event, to further increase the temperature of the liquid fuel to a second temperature to vaporize a second fraction; a fractionated fuel heat source coupled to the vaporized fuel source to elevate a temperature of the first and second fractions at a point downstream of the vaporization chamber and upstream of the combustion chamber; one or more air sources coupled to and configured to provide an air supply to the vaporization chamber and/or the mixing chamber; and an air supply heat source configured to controllably elevate a temperature of the air supply prior to the entry into the mixing chamber and/or the vaporization tank. 11. The vapor fuel supply system of claim 10, wherein the temperature of the air supply from the air source to the mixing chamber is controlled to elevate the temperature of the first and second fractions entering the mixing chamber to a temperature above the temperature of the first and second fractions leaving the vaporization chamber. 12. The vapor fuel supply system of claim 10 wherein the vaporization chamber and the mixing chamber are coupled to the same air source. 13. The vaporized fuel system as defined in claim 10. wherein the detected event is a decrease in vaporization at the first temperature. 14. A method, comprising: heating a quantity of liquid fuel to a first temperature to form a first vaporized fuel fraction; mixing said first vaporized fraction with an air supply to form a first mixture having a desired air to fuel ratio; heating the quantity of liquid fuel to a second temperature in response to a detected event, wherein the second temperature generates a second vaporized fuel fraction; mixing said second vaporized fuel fraction with the air supply to form a second mixture having a desired air to fuel ratio; and heating the air supply, the first and second vaporized fuel fractions and/or mixtures to a temperature at or above the first and second temperatures, respectively prior to conveyance to a combustion engine. 15. The method of claim 14, wherein said air supply includes a first air supply and wherein said mixing said first and second vaporized fuel fractions with said air supply includes: conveying said first air supply to a vaporization chamber to create a first mixture with the first vaporized fraction, and subsequently with the second vaporized fraction to create a second mixture, the first and second mixtures having a desired air to fuel ratio; and conveying the first and second mixtures towards said combustion engine. 16. The method of claim 15, further comprising elevating the temperature of the first air supply prior to entry into the vaporization chamber. 17. The method of claim 15, wherein said air supply includes a second air supply, and further comprising: conveying, sequentially, said first and second mixtures to a mixing chamber; conveying the second air supply to said mixing chamber; and mixing said first and second mixtures with said second air supply to form the desired air to fuel ratio. 18. The method of claim 17, further comprising elevating the temperature of the first and second mixture prior to entry into the mixing chamber. 19. The method of claim 17, further comprising elevating the temperature of the second air supply prior to the conveying to the mixing chamber. 20. The method of claim 14, wherein the heating comprises: elevating a temperature of the quantity of liquid fuel with a heating element to produce the first vaporized fuel fraction and the second vaporized fuel fraction. 21. The method as defined in claim 14. wherein the heating the quantity of liquid fuel to the second temperature comprises heating the quantity of liquid fuel to the second temperature in response to detecting a decrease in vaporization at the first temperature.

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이 특허를 인용한 특허 (2)

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구성항목	관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
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특허 상세정보

System for improving fuel utilization

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특허 상세정보

System for improving fuel utilization

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인용문헌 (96)

이 특허를 인용한 특허 (2)

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