FIELD: transport engineering. SUBSTANCE: output of central fuel meter is connected directly to engine intake manifold. Differential reducer is placed between fuel main line electric and central fuel meter. Reducer has housing with seat for valve and two diaphragms. First diaphragm is connected by rod with valve dividing space of differential reducer housing into first and second chambers. First chamber is connected by pipeline with fuel main line electric valve, and second chamber is connected by pipeline with input of central fuel meter. Second diaphragm, whose diameter exceeds that of first diaphragm, divides housing of differential reducer into third and fourth chambers. This diaphragm is coupled with first diaphragm by second rod coaxial with first rod. Third chamber communicates with atmosphere through hole in reducer housing. Fourth chamber is connected with intake manifold of engine by pipeline. Second diaphragm is spring-loaded, free end of spring rests against adjusting screw. EFFECT: enhanced accuracy of fuel metering in internal combustion engines. 2 cl
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Authors
Dates
1999-06-10—Published
1987-11-24—Filed