Key words: engines.

Investigation results are considered of gas heat release to the piston head of the diesel engine 4N26/26 at superhigh pressure charging. Regression dependences are given to define heat release coefficient anl the heat release resulting gas temperature.

Key words: engines.

Problems are considered concerning high speed pressure charged diesel engine operation with lower actual pressure ratio. Methods of numerical modelling of the engine operation are used on a computer and the mathematical optimization. Results are evaluated of the reason to use a cycle with the lower actual pressure ratio on the engine 6ChN21/21 up to Pme = 2000 кPa at n = 25 s-1.

Key words: engines.

Effect is considered of the power plant wheel mass on the diesel engine acceleration characteristics under different conditions of the air and fuel supply.

Key words: engines.

Evaluation technique is described of the above assembly effect on the engine radiated acoustic power: Lambda = r/lm and K = S/d; calculation results are given for four models of national engine various sound power levels at variations Lambda = r/lm and K = S/d within the limits typical for modern automotive engines.

Key words: engines.

The balance is analyzed of three versions of 2-shaftline 4-cylinder .DVPT with different diagrams of the crankshaft throw wedging. And one of their diagrams is proved to be used as ensuring circular commutation of the engine displacement.

Key words: engines.

Statistic model is given to calculate strength of the cylinder tight joint shift, it was developed, using the method of Monte-Carlo, which allows to avoid, if necessary, experimental check of its pressing-out efforts and to select the assembling equipment power.

Key words: diesel.

Problems are considered of calculation selection and evaluation of fuel equipment advantages for diesels with hydraulic correction of the injection speed characteristics.

Key words: diesel.

Structure features are described of filter cardboard and paper, which are variety of fibrous filter materials, and by the analysis a model of a cardboard can be chosen, proved by investigations. The method is offered to calculate resistance and operation duration, when both fresn and contaminated air is going through the filter board, considering variation of the engine air consumption, dispersion and physical-chemical dust composition, the board characteristics and air contamination at the inlet of the cycle apparatus of the first cleaning stage. Developed calculation method is fully coordinated with experimental data.

Key words: engines.

A test bed for marine reductors is described, built as a closed kinematic circuit. This test bed can be used for motorless tests of marine reductors and simulate the reductor loading by the torque and axis force.

Key words: Engines.

Structure diagrams are described and action of the electric limiting switch for diesel engines of short acceleration time.

Key words: engines.

A construction is considered of a corrector for the fuel delivery and load on the boost pressure, anl also operation of the combined speed and power output governor for locomotive diesel-generator 10D100, equipped with this corrector. Results are given of the experimental investigation of the experimental SAR, having above corrector, and the comparative analysis is carried out.

Key words: engines.

Investigation results are given of heat stability of piston rings, made of two alloyed cast irons (with molibdenum and molibdenum with chromium) and two carbonic cast irons (with lower and higher graphite content) at the common perlite matrix and similar all the rest element content. It is shown that the effect of molibdenum as a thermal stable additive is stronger than the chromium effect, and that the heat stability of rings, made of carbonic cast iron with the higher graphite content is stronger than of carbonic cast iron rings with less graphite content by 0.25 %.

Key words: engines.

Test results are considered of different cast irons for cylinder block liners, and this cast iron behaviour at different temperatures and specific loads.

Key words: engines.

Analysis is considered of the variable operation duration of locomotive diesel engines 10D100 under different operating conditions.

Key words: engines.

Problems are considered of development and production of national marine diesel engines with the power range 200 to 600 kW, unification of powerful engine numbers, following a base model, reliability of diesels type Ch 10.5/13, Ch 12/14, ChSP(N) 18/22, ChSN18/20 and 6ChRN36/45, and also requirement of documents for technical diesel engine usage.

Key words: engines.

A new method is offered to evaluate engine piston deposits, that is to shorten extent and time of oil tests

Key words: engines.

Data are given of the history of design of the first in the world marine reversing diesel engine at the «Russki Diesel» Works. A great part of the Works is shown in the design and production of powerful diesel engines for ships of general purpose.

Key words: engines.

Features are considered of constructive desing of combustion chambers with the direct fuel injection, all rights for the last 10 years reserved.

Key words: engines.

Dynamics of piston sealings is analyzed on the base of constructive-technological features of piston rings for mass diesel engine production. Investigation results are given of the piston compression ring rigidity. Principles are formed to use inertia forces for improved oil scraper sealing function. The principle diagram of the construction and its field of application are shown.