FUEL FEED CONTROL DEVICE Russian patent published in 2010 - IPC F02M61/18 F02M51/06 F02M47/02 

FIELD: engines and pumps.

SUBSTANCE: invention relates to automotive engines, mainly to diesel engines. Proposed system comprises hydraulic-control nozzle with three idle aligned locking elements with their orifices hydraulically separated and independent control valves. The latter are arranged in separate control chambers. This system incorporates three independent intermediate control systems, each being communicated with its own independent high-pressure hydraulic accumulator. Note here that the sprayer has circular grooves between orifices of the 1^st, 2^nd and 3^rd levels that interact with circular ledges of appropriate locking elements. Proposed device comprises three independent fuel feed control units with different control programs that can move relative to shaped cams. Each of said control units consists of at least one shaped cam per a nozzle with at least one fuel feed cycle control program. Said cam interacts with master cam and plunger arranged on the platform, and cylinder mounted on the base furnished with hole. Note here that there is a spring arranged between said platform and base. Device additionally incorporates low pressure accumulator communicated with three independent nozzle control chambers and high-pressure fuel pump, and connected with electronic control unit.

EFFECT: higher efficiency, lower fuel consumption, fuel combustion monitoring and optimized fuel combustion.

6 cl, 8 dwg