14
4
5
All the compressors fitted inside the refill stations are of the high pressure type with forced air cooling
and 3 stages of compression. The air circulating around the compressor, which does not contain any
harmful fumes, is taken into the intake filter and introduced through the intake valve into the cylinder of
the first stage where the first compression takes place.
A part of the heat produced in the compression is dissipated by the flow of air created by the fan through
the head and relative valves, piston, cylinder, monobloc and lubricating oil; the heat remaining in the
compressed air is dissipated in the long piping connecting one stage of the compression to another and
which acts as a radiator; the temperature at the hose outlet is just a few degrees higher than that of the
environment.
The operating temperatures of each stage are: at the pipe connection that goes to the intake cylinder:
about 15-20 °C above the environmental temperature (it feels warm to the touch), to the pipe connection
that starts from the head (from the discharge valve), about 80-100 °C.
6
2.1
Operating principle
-
MCH 13-16/SH Petrol (Fig. 4) (HONDA
engine);
-
MCH 13-16/DY Diesel (Fig. 5) (YANMAR
engine);
-
MCH 13-16/DH Diesel (Fig. 6) (HONDA
engine).
Technical description
Содержание MCH 13/DH
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