FIELD: mechanical engineering; internal combustion engines.
SUBSTANCE: prechamber valve unit is installed in drilled hole of prechamber housing in zone washed by cooling liquid. Throttle closed from gas supply side by filtering gauze is installed in drilled hole of prechamber housing before prechamber valve unit. Prechamber housing is made of material featuring high heat conducting properties and strength, for instance, of brass. Housing of prechamber has groove connecting drilled hole of prechamber has groove connecting drilled hole of prechamber housing in which prechamber valve unit is installed, with channel in cover of diesel engine cylinder designed to let out leakage fuel from nozzle. Said channel is connected with prechamber gas delivery main line.
EFFECT: simplified design, improved reliability of prechamber in operation.
2 cl, 1 dwg
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