Control system for engine-driven compressor unit and method of o

Details Control system for engine-driven compressor unit and method of o Control system for engine-driven compressor unit and method of o

1983-07-18

1985-01-29

Koczo, Michael

Pumps

Condition responsive control of pump drive motor

Single motor control element responsive to means sensing...

60603, 7386235, 123275, 123486, 123417, 123528, 417 34, 417274, F02B 3712, F02D 1900, F02D 2302, F04B 3500

Patent

active

044962860

ABSTRACT:
A control system for a compressor unit driven by a clean-burn, turbo-charged, gas-fueled engine which is primarily responsive to the load (torque) and the speed of the engine to adjust certain engine parameters to maintain the operating conditions of the engine within a desirable operating zone which is a compromise or "trade-off" between best fuel economy and permissible exhaust emission levels. A number of "maps" which correlate load (torque) at various speeds with specific fuel consumption and exhaust emissions are derived from available manufacturer's data and are programmed into a central processing unit (CPU). The actual speed and load of the engine are continuously monitored and signals representative thereof are inputed into the CPU to select the proper map and to output control signals therefrom to adjust the ignition timing, the waste gate (air chest pressure) and the fuel pressure to the prechambers of the engine to their respective desired positions which, in turn, will provide the desired engine operation at the sensed speed and load conditions. The operation can be "fine-tuned" within the selected zone of operation through the use of other measured engine parameters.

REFERENCES:
patent: 1998265 (1935-04-01), Aikman
patent: 3443376 (1969-05-01), Light
patent: 3508530 (1970-04-01), Clawson
patent: 3717029 (1973-02-01), Trefer
patent: 4368705 (1983-01-01), Stevenson et al.

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