[특허]Plural fuel system for internal combustion engine

Plural fuel system for internal combustion engine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02D-041/26 F02M-043/00
출원번호	US-0178662 (1994-01-07)
발명자 / 주소	Stokes Richard A. (112 E. Fourth St. Apt. B-1 Aberdeen WA 98520)
인용정보	피인용 횟수 : 54 인용 특허 : 0

초록 ▼

A plural fuel system for internal combustion engines in which the efficiency of the engine is raised by burning fuels singly or in combination with other liquid, gasified, or gaseous fuels, which best meet the load, speed, and environmental demands placed on the engine. A microprocessor-controlled air compressor adjusts the volume of air entering the engine cylinders, adjusting the effective compression ratio and charge density of the engine in accordance with the fuel or fuels being burned, while maintaining precise air/fuel ratios. Environmental conditions such as air temperature, altitude, coolant temperature, etc. are also sensed, processed, and adjusted by the microprocessor through various input and output devices in real time. The substitution of gasoline by natural gas or methane generated from organic wastes will reduce by a factor of 30%-70% the consumption of gasoline, reduce engine wear and auxiliary pollution control devices, make refueling a more flexible process by charging through home gas lines, and increase engine performance under all conditions.

대표청구항 ▼

A plural fuel system for an internal combustion engine said system comprising: a. a variable supply of a plurality of fluid fuels differing in octane rating and thermal content, the fuels being usable independently and in variable mixtures for delivery to the engine; b. optimum engine operation parameters at different engine speeds and loads being stored in a ROM; c. sensors arranged for sensing actual engine operation parameters, load conditions, and fuel availability; d. a processor in communication with the sensors and the ROM for selecting available fuels and fuel delivery rates; e. a fuel delivery system controlled by the processor for delivering the selected fuels at the chosen rates to approximate the optimum engine operation parameters at the actual engine speed and load in real time, the fuel delivery system including: (i) a fuel injector; (ii) a fuel source providing fuel in a gaseous state; (iii) a distribution valve in fluid communication with the fuel source; and (iv) a distribution manifold in fluid communication with and conducting fuel from the distribution valve to an intake manifold of the engine; and f. an air compressor controlled by the processor and arranged for directing compressed air into the engine for adjusting the effective compression ratio and fuel charge density as the fuel delivery variations change octane rating, energy yield, and flame travel velocity.

이 특허를 인용한 특허 (54)

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Jauss, Andreas, Internal combustion engine which can be operated with a choice of different fuels, especially for a motor vehicle drive system.
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Bidner, David Karl; Dearth, Mark Allen, Method for reducing valve recession in gaseous fuel engines.
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Bidner, David Karl; Dearth, Mark Allen, Method for reducing valve recession in gaseous fuel engines.
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Ritter, Gregory W.; Jones, Terry A., Process for use with dual-fuel systems.
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