Overhead engine
Overhead O`ver*head", adv. Aloft; above; in or attached to the ceiling or roof; in the story or upon the floor above; in the zenith. [1913 Webster]

While overhead the moon Sits arbitress. --Milton. [1913 Webster]

Note: Also used adjectively; as, an overhead crane, gear, etc. [1913 Webster]

{Overhead engine}, a vertical steam engine in which the cylinder stands above the crank.

{Overhead work}, a general term in manufactories for countershafting and gearing, when overhead. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Overhead — O ver*head , adv. Aloft; above; in or attached to the ceiling or roof; in the story or upon the floor above; in the zenith. [1913 Webster] While overhead the moon Sits arbitress. Milton. [1913 Webster] Note: Also used adjectively; as, an overhead …   The Collaborative International Dictionary of English

  • Overhead work — Overhead O ver*head , adv. Aloft; above; in or attached to the ceiling or roof; in the story or upon the floor above; in the zenith. [1913 Webster] While overhead the moon Sits arbitress. Milton. [1913 Webster] Note: Also used adjectively; as, an …   The Collaborative International Dictionary of English

  • Engine configuration — is an engineering term for the layout of the major components of an internal combustion engine. These components include cylinders, pistons, crankshaft(s) and camshaft(s).For many automobile engines, the term ´block is interchangeable with engine …   Wikipedia

  • Overhead camshaft — A cylinder head sliced in Fifths shows two overhead camshafts one above each of the two valves. Overhead cam (OHC) valvetrain configurations place the engine camshaft within the cylinder heads, above the combustion chambers, and drive the valves… …   Wikipedia

  • Overhead valve — OHV redirects here. OHV may also refer to Off highway vehicle. Components of a pushrod valve actuation system …   Wikipedia

  • engine type — Over the years of engine development, several types or configurations have been made. All of them relate to the position of the valves and the camshaft (s) that operates them. air cooled engine An engine which is not cooled by antifreeze but by… …   Dictionary of automotive terms

  • overhead camshaft — (OHC) The camshaft that activates the valves is mounted above the head and driven by a long timing chain or cam chain. In contrast, a pushrod engine has the camshaft below the cylinders so that thin rods (pushrods) are moved by the camshaft and… …   Dictionary of automotive terms

  • Engine displacement — One complete cycle of a four cylinder, four stroke engine. The volume displaced is marked in orange. Engine displacement is the volume swept by all the pistons inside the cylinders of an internal combustion engine in a single movement from top… …   Wikipedia

  • Overhead crane — An overhead crane, featuring runways, bridge, and hoist in a traditional industrial environment …   Wikipedia

  • Engine — This article is about a machine to convert energy into useful mechanical motion. For other uses of engine, see Engine (disambiguation). For other uses of motor, see Motor (disambiguation). A V6 internal combustion engine from a Mercedes car An… …   Wikipedia

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