INTERNAL COMBUSTION ENGINE ELECTROMAGNETIC NOZZLE
mechanical engineering; fuel injection devices of internal combustion engines. SUBSTANCE: proposed electromagnetic nozzle has control chamber and control valve arranged at adjoining end face of nozzle body. Control chamber encloses at least part of end face of needle valve pointed to resilient eleme...
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Format: | Patent |
Sprache: | eng ; rus |
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Zusammenfassung: | mechanical engineering; fuel injection devices of internal combustion engines. SUBSTANCE: proposed electromagnetic nozzle has control chamber and control valve arranged at adjoining end face of nozzle body. Control chamber encloses at least part of end face of needle valve pointed to resilient element and made in form of hydraulic loading device for needle valve. Control chamber is furnished with elements to limit flow of fuel from control chamber when needle valve is shifted to stop. Invention contains description of design versions of control chamber and arrangements of supply channel in nozzle body, spacer and spray tip. EFFECT: simplified design of spray tip needle valve hydraulic loading device, improved reliability and dynamic service characteristics of electromagnetic nozzle. 7 cl, 2 dwg |
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