- sodium-filled valve
- полый клапан с натриевым охлаждением
Англо-русский словарь по машиностроению. 2014.
Англо-русский словарь по машиностроению. 2014.
sodium-cooled valve — An exhaust valve with a hollow stem that is partially filled with metallic sodium. When the valve gets hot enough (138°C), the sodium melts and moves up and down in the valve stem. The sodium absorbs heat from the hot valve head and carries it… … Dictionary of automotive terms
sodium-cooled exhaust valve — The exhaust valves of some high performance engines are filled with sodium to improve the heat dissipation from the valve stem to the valve guide, since the exhaust valve is subject to higher thermal loads than the intake valve … Dictionary of automotive terms
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