Variable Pressure Fuel Injection System.
DEPARTMENT OF THE ARMY WASHINGTON DC
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This invention relates to a fuel injection system wherein the fuel pressure can be varied or adjusted in accordance with different engine loading conditions. The system includes an accumulator and a source of high-pressure gas for raising the accumulator pressure in accordance with step increases in the fuel pressure. A pressure-operated piston valve is provided to communicate the accumulator with the gas pressure source or with an atmospheric vent, as necessary to raise or lower the accumulator pressure. Author
- Hydraulic and Pneumatic Equipment