Accumulator-type injection system

Details Accumulator-type injection system Accumulator-type injection system

1995-12-22

1997-07-29

Solis, Erick R.

Internal-combustion engines

Charge forming device

Fuel injection system

123 25C, F02M 4300, F02M 4702

Patent

active

056513461

ABSTRACT:
An accumulator-type injection system having an injector and a control valve connected with the injector for controlling injection. In a first switching position of the control valve, an injector body fuel duct, which leads in front of the orifices, is connected with a fuel accumulator. In a second switching position, a passage is opened up by the control valve which connects the fuel duct with a return flow. As a result, in the injection pauses, the fuel pressure in front of the orifices can be lowered approximately to the ambient pressure so that the inclusion of water in front of the orifices takes place at a low pressure.

REFERENCES:
patent: 4640252 (1987-02-01), Nakamura et al.
patent: 5170751 (1992-12-01), Tosa et al.
patent: 5174247 (1992-12-01), Tosa et al.
patent: 5245953 (1993-09-01), Shimada et al.
patent: 5377636 (1995-01-01), Rix et al.
patent: 5526791 (1996-06-01), Timmer et al.
patent: 5529024 (1996-06-01), Wirbeleit et al.
Dieseleinspritzung fur Grossmotoren, Von Gerhard Lehner, MTZ Motortechnische Zeitschrift 55 (1994), 3 pages.

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