Fuel injection system for clean low viscosity fuels

Details Fuel injection system for clean low viscosity fuels Fuel injection system for clean low viscosity fuels

1997-02-19

1998-10-06

Kwon, John T.

Internal-combustion engines

Charge forming device

Diverse fuel supply

F02B 4300

Patent

active

058162283

ABSTRACT:
An internal combustion engine that is driven by fuels such as dimethyl ether (DME) that have a viscosity less than 1.0 and a storage and delivery system for the fuel that will reduce considerably the emissions of NO.sub.x and particulate. The fuel delivery system includes a fuel injector nozzle valve being forced closed by fuel, that has leaked past a solenoid operated valve and is at a pressure less than the valve opening pressure.

REFERENCES:
patent: 4422412 (1983-12-01), Norton
patent: 4876989 (1989-10-01), Karpuk et al.
patent: 5097803 (1992-03-01), Galvin
patent: 5485818 (1996-01-01), McCandless
"Dimethyl Ether as an Ignition Enhancer for Methanol-Fueled Diesel Engines", SAE #912420, 1991.
"A New Clean Diesel Technology: Demonstration of ULEV Emissions on a Navistar Diesel Engine Fueled with Dimethyl Ether", SAE #950061, Feb. 27, 1995.
Kapus, P. et al., "Development of Fuel Injection Equipment and Combustion Suystem for DI Diesels Operated on Dimethyl Ether", SAE #950062, Feb. 27, 1995.
Hansen, J.B. et al., "Large Scale Manaufacture of Dimethyl Ether-A New Alternative Diesel Fuel from Natural Gas", SAE #950063, Feb. 27, 1995.
Sorenson, S. C. et al., "Performance and Emissions of a 0.273 Liter Direct Injection Diesel Engine Fuelled with a New Alternative Fuel", sae #950064, Feb. 27, 1995.

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