sodium cooled valve — See sodium cooled valve … Dictionary of automotive terms
cooled valve — See sodium cooled valve … 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
valve — A device used to either open or close an opening to allow or prevent the flow of a liquid or gas from one place to another. There are many different types. See ABS relay valve accumultor valve air valve carburetor air control valve air gulp valve … Dictionary of automotive terms
Sleeve valve — The sleeve valve is a type of valve mechanism for piston engines, distinct from the more common poppet valve. They saw use in some pre World War II luxury cars, sports cars, the Willys Knight car and light truck, and saw substantial use in… … Wikipedia
exhaust valve — [1] The valve through which the burned fuel charge passes on its way from the cylinder to the exhaust manifold. It is driven by the camshaft. When comparing an exhaust valve with an intake valve in the same engine, the part of the exhaust valve… … Dictionary of automotive terms
nuclear reactor — Physics. reactor (def. 4). Also called nuclear pile. [1940 45] * * * Device that can initiate and control a self sustaining series of nuclear fission reactions. Neutrons released in one fission reaction may strike other heavy nuclei, causing them … Universalium
Nuclear meltdown — Three of the reactors at Fukushima I overheated, causing core meltdowns. This was compounded by hydrogen gas explosions and the venting of contaminated steam which released large amounts of radioactive material into the air.[1] … Wikipedia
Rolls-Royce Merlin — Merlin The Rolls Royce Merlin … Wikipedia
BMW 801 — The BMW 801 was a powerful German air cooled radial aircraft engine built by BMW and used in a number of German military aircraft of World War II. The engine s cylinders were in two rows of seven cylinders each, the bore and stroke were both 156… … Wikipedia