DIESEL ENGINE FUEL-FEED ACCUMULATOR SYSTEM Russian patent published in 2006 - IPC F02M47/02 F02M69/46 

FIELD: mechanical engineering; diesel engines.

SUBSTANCE: proposed fuel-feed accumulator system consists of fuel tank, fuel heater with thermostat, fine fuel filter, low-pressure fuel pump, cutoff electric valve, high pressure fuel pump, pressure transmitter, high-pressure accumulator, pressure regulating electric valve, fuel cooler, electrohydraulic nozzles and low-temperature air radiator. Fuel-feed system is furnished additionally with low-pressure accumulator placed in nozzle leak-off fuel system and divided into two parts with restrictor in between. Leak-off fuel pipes from nozzles are connected to first part of accumulator, and second part of accumulator is connected through non-return valve to fuel tank through fuel cooler. Non-return valve is adjusted to opening pressure not lower than 4-5 MPa.

EFFECT: provision of quick action of nozzles, reduced consumption of fuel for control, improved serviceability of fuel-feed system.

1 dwg