valve in head
31Valve, pulmonary — One of the four valves in the heart, the pulmonary valve stands at the opening from the right ventricle in the pulmonary artery trunk. It lets blood head in the right direction (toward the lungs) and keeps it from sloshing back from the pulmonary …
32head pressure — [1] Pressure which exists in condensing side of refrigerating system. [2] Force caused by the weight of a column or body of fluids. Expressed in feet, inches, or psi. [3] Refrigerant pressure in the lines and condenser between the discharge reed… …
33valve cover — A long metal lid located on the top of the cylinder head on vehicles with overhead camshafts. The valve cover is removed when the valves need adjusting. The British term is rocker box or rocker cover …
34valve cover gasket — A gasket between the cylinder head and the valve cover; usually either a flat paper or cork gasket or an O ring. The British term is rocker cover gasket …
35valve crown — See valve head …
36valve head — The surface of the large end of a valve …
37valve plate — Part of compressor located between top of compressor body and head. It contains compressor valves and ports. See valve body separator plate …
38valve port — The opening, through the head or block, from the intake or exhaust manifold to the valve seat …
39Multi-valve — A cylinder head of a four valve engine. ( Nissan VQ engine ) In automotive engineering, a multi valve (or multivalve) engine is one where each cylinder has more than two valves. A multi valve engine has better breathing and can spin at higher rpm …
40Cylinder head — A 302/5.0L Ford cylinder head In an internal combustion engine, the cylinder head (often informally abbreviated to just head) sits above the cylinders on top of the cylinder block. It closes in the top of the cylinder, forming the combustion… …
