Fuel injection rate deducing system for a diesel engine

Details Fuel injection rate deducing system for a diesel engine Fuel injection rate deducing system for a diesel engine

1982-09-29

1985-02-26

Caldwell, Sr., John W.

Measuring and testing

Internal combustion engine or related engine system or...

Compression

73113, F02M 5900

Patent

active

045011400

ABSTRACT:
A fuel injection rate deducing system for a diesel engine includes a fuel injection pump and a fuel feed pump. The injection pump has an inlet, an outlet, and an overflow outlet. The outlet is connected to the engine to conduct fuel from the injection pump to the engine to effect fuel injection. The overflow outlet is internally connected to the inlet. A fuel feed line is connected to the inlet to conduct fuel to the injection pump. The feed pump is disposed in the feed line to drive fuel into the injection pump via the feed line. A fuel return line connects the overflow outlet to the feed line at a position upstream of the feed pump. At least some of the fuel conducted to the injection pump via the inlet exits from the injection pump via the overflow outlet and then all enters the feed pump via the return line and the feed line. A flowmeter measures the rate of fuel flow through the feed line upstream of the connection of the return line to the feed line. The measured results are used to indicate the rate of fuel injection via the injection pump.

REFERENCES:
patent: 3739761 (1973-06-01), Niles
patent: 3973536 (1976-10-01), Zelders
patent: 4220045 (1980-02-01), Suzuki
patent: 4338816 (1982-07-01), Neff
patent: 4377149 (1983-03-01), Naylor et al.
patent: 4381748 (1983-05-01), Eckert
patent: 4385867 (1983-05-01), Straubel

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