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2 191 912

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IPC

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Application

99121960/06, 1999-10-18

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Start date

1999-10-18

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Actual filing date

1999-10-18

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Published

2002-10-27

(72)

Inventor

Khrjashchev Ju.E.Gusev O.A.Krutov V.V.Filippov A.A.Kruglov A.N.Shabrov V.A.D"Jachenko D.V.Trepov A.M.Eremin G.V.Matrosov L.V.

(73)

Holder

Oao Jaroslavskij Zavod Dizel'Noj Apparatury

SYSTEM TO CONTROL FUEL FEED BY MEANS OF ELECTROMAGNETIC VALVES Russian patent published in 2002 - IPC

Abstract RU 2191912 C2

FIELD: mechanical engineering; diesel engines. SUBSTANCE: system has fuel injection pump, nozzles, high-pressure fuel pipes, fuel drain line connecting nozzles and fuel tank, electromagnetic bypass valves installed in each high-pressure fuel line for bypassing fuel into drain line, fuel pressure transmitter, control unit and crankshaft position and speed pickups. Normally closed electromagnetic valve-throttles are installed in each high-pressure fuel line between bypass valves and fuel nozzles for bypassing fuel from high-pressure fuel line into drain line. Control pedal position pickup is connected with control unit. Profiles of cams of fuel injection pump camshaft are made to provide uniform rise of fuel pressure in high-pressure fuel line in any moment of turning of crankshaft over entire working range. Each electromagnetic bypass valve is made as normally open two-position valve. EFFECT: reduced fuel consumption of transport diesel engine, cut down content of harmful substances in exhaust gases. 6 dwg

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RU 2 191 912 C2

Authors

Khrjashchev Ju.E.

Gusev O.A.

Krutov V.V.

Filippov A.A.

Kruglov A.N.

Shabrov V.A.

D"Jachenko D.V.

Trepov A.M.

Eremin G.V.

Matrosov L.V.

Dates

2002-10-27—Published

1999-10-18—Filed

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