STV-3TPB

Structurally, the air turbo starter StV-3TPB consists of an air turbine, a gearbox and a constant pressure valve.

Structural scheme of the air turbine starter StV-3TPB

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  1 - electromagnet;
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  2 - springs;
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  3 - valve body;
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  4 - turbine rotor;
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  5 - split casing;
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  6 - sleeve;
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  7 - housing;
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  8 - a nut;
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  9– ball bearing;
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  10 - gears;
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  11 - roller gear;
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  12 - needle bearing;
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  13 - gearbox housing;
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  14 - oil supply tube;
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  15– coupling;
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  16 - support of the ratchet coupling;
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  17,18,19 - ball bearings;
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  20 - bust body;
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  21 - pinion gear;
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  22 - stop;
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  23 - graphite seal;
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  24 - nozzle;
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  25 - support; 28 - plunger;
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  26 - stock;
• 27 - saddle