Electronic fuel injection for gas engine/compressors
Conference
·
OSTI ID:357820
- Dresser-Rand Co., Painted Post, NY (United States). Engine Process Compressor Div.
Conventional gas engine/compressors use cam operated fuel injectors. Fuel delivery to the engine is controlled by throttling the pressure to the fuel gas manifold that feeds the injectors. A mechanical or electronic governor regulates the position of the throttle. Power cylinder balance is adjusted with manual valves in the fuel feed pipes to each injector. This paper describes a recently introduced electronic fuel gas injection (EFGI{trademark}) system that modulates fuel delivery by controlling the open duration of the injectors. Balancing is achieved by electronically apportioning the pulses to the individual injectors. The camshaft, pushrods, rocker arms, cam followers, and balance valves, as well as the separate governor and throttle are not needed when EFGI is applied to two stroke engines. The system`s most striking feature is its ability to rebalance an engine in minutes. Emission reductions stem from balanced power cylinders, and optimized injection timing, which enhances fuel air mixing.
- OSTI ID:
- 357820
- Report Number(s):
- CONF-980213--
- Country of Publication:
- United States
- Language:
- English
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