DEVELOPMENT OF THE MATHEMATICAL MODEL OF FUEL EQUIPMENT AND JUSTIFICATION FOR DIAGNOSING DIESEL ENGINES BY INJECTOR NEEDLE DISPLACEMENT | Zendy

Igor Danilov | Zendy; Aleksandr Marusin | Zendy; Mikhail Mikhlik | Zendy; Ivan Uspensky | Zendy

Open Access

DEVELOPMENT OF THE MATHEMATICAL MODEL OF FUEL EQUIPMENT AND JUSTIFICATION FOR DIAGNOSING DIESEL ENGINES BY INJECTOR NEEDLE DISPLACEMENT

Author(s) -

Igor Danilov,

Aleksandr Marusin,

Mikhail Mikhlik,

Ivan Uspensky

Publication year - 2020

Publication title -

transport problems

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.224

H-Index - 12

eISSN - 2300-861X

pISSN - 1896-0596

DOI - 10.21307/tp-2020-009

Subject(s) - diesel fuel , injector , automotive engineering , engineering , fuel injection , diesel engine , petroleum engineering , mechanical engineering

This article discusses the proposed method for diagnosing diesel fuel equipment. An analysis of available methods for diagnosing fuel equipment has been carried out. The authors describe their method for diagnosing plunger pairs of a highpressure fuel pump according to the parameter of displacement of the injector needle. The design of the diagnostic device for measuring the movement of the injector needle has been developed and patented. The dependence of the maximum displacement of the injector needle on the increase, due to wear, of the radial clearance of the plunger bushing at the minimum steady state of idling of the engine has been determined. The technique of diagnosing the technical condition of plunger pairs of a high-pressure fuel pump by injector needle displacement is considered in detail.

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