ELECTRIC-PULSE OPERATED INJECTOR UNIT Russian patent published in 2000 - IPC

FIELD: mechanical engineering and other industries; pumping and spraying various liquids. SUBSTANCE: injector unit has nozzle and working chamber with annular drilling on its inner surface provided with tangential ducts for injecting working fluid. Chamber incorporates parabolic reflector with axial bypass channel communicating with supply main. Installed in bypass channel is electromagnetic valve whose working element is needle. Working chamber cavity crossing reflector focus accommodates electrodes connected to power supply whose control circuit is connected through electronic delay unit to electromagnetic valve. Injector unit provides for controlling high-pressure fuel injection dispensing with precision pairs. EFFECT: provision for injecting any liquid hydrocarbon fuel including that with suspended particles. 2 cl, 1 dwg