Device for stopping a fuel injection engine

Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters

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123198D, F02D 1700

Patent

active

044521960

ABSTRACT:
Device for stopping a fuel injection internal combustion engine by turning a key in a stopping box into the STOP position. In hitherto known devices, when turning the key into the said position, current feeding the coil of the electromagnetic valve during the operation of the engine is cut off, and this valve is closed then by means of a prestressed spring. This makes impossible a free outflow of fuel leaving the reducing valve of a low pressure circuit of the injection device, and directs all fuel delivered by a delivery pump into a hydraulic member, the piston of which, by means of fuel pressure, shifts the control bar into the position STOP; in this way the engine is stopped. Such known arrangement requires too much power, since the coil of the electromagnetic valve is energized by current all during the operation of the engine. In accordance with the invention the coil of the electromagnetic valve is deenergized current during the operation of the engine. Only when the key is turned into the STOP position is the electromagnetic valve energized for time needed for stopping the engine.

REFERENCES:
patent: 4083346 (1978-04-01), Eheim
patent: 4296718 (1981-10-01), Baugh et al.
patent: 4304201 (1981-12-01), Bleeke
patent: 4318379 (1982-03-01), Knorrcek
patent: 4319550 (1982-03-01), Ishii et al.
patent: 4351293 (1982-09-01), Hewitt
patent: 4361121 (1982-11-01), Chemers et al.
patent: 4388900 (1983-06-01), Hoshi

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