FIELD: engines.
SUBSTANCE: invention can be used in diesel fuel feed systems of internal combustion engines (ice). Disclosed is a dual-fuel ice fuel system comprises mineral fuel tank (1), vegetable oil tank (2), mixer (3), batchers (7, 8) with pneumatic-mechanical drive, coarse filter (13), fuel feed pump (14), fine filter (15), high-pressure fuel pump (16) and nozzles (17). Between dispensers (7, 8) and mixer (3) are arranged device (18, 19) for supporting the same constant pressure in inlet channels (4, 5) of mixer (3) consisting of float chamber (20), inlet and outlet channels (22, 23) and float (24) with needle valve (25).
EFFECT: technical result consists in maintaining constant of the same pressure in inlet channels of the mixer and elimination of inflow of one fuel tank to the other fuel.
1 cl, 1 dwg
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