PLUNGER OF FUEL INJECTION PUMP FOR MULTIFUEL DIESEL ENGINE Russian patent published in 1997 - IPC

FIELD: mechanical engineering; engines; fuel system devices for diesel engines. SUBSTANCE: fuel injection pump plunger has helical groove with angle of helix relative to horizontal plane is proportional to ratio of values of heat of combustion of diesel fuel and alternate fuel and complies with the following condition $$$ where $$$ is angle of helix of groove relative to horizontal plane; $$$ in heat of diesel fuel combustion; $$$ heat of alternate fuel combustion. EFFECT: enlarged operating capabilities. 2 dwg