FUEL FEED DEVICE Russian patent published in 2008 - IPC F02M47/02 

FIELD: engines and pumps.

SUBSTANCE: invention relates to engine production, namely, to internal combustion engines, and more specifically, to their fuel feed systems and particularly to cyclic-action fuel injection hardware with valves driven by the medium pressure of the "accumulator-nozzle". Invention simplifies the device design, increases its reliability, reduces production costs and expand its application. The said device incorporates a casing accommodating spring-loaded fuel-feed plunger linked to the cam shaft, a delivery valve, and spring-loaded accumulator plunger driven by rotary control means, the spaces of the aforesaid devices communicate between themselves and with a boost pump and jets. The casing is furnished with an additional channel communicating the plunger spaces.

EFFECT: simpler design; higher reliability; lower production costs; wider range of application.

4 cl, 2 dwg