Dictionary of automotive terms. 2015.
expansion — An increase in size, for example: when a metal rod is heated, it increases in length and perhaps also in diameter. Expansion is the opposite of contraction. Also see piston expansion shell expansion … Dictionary of automotive terms
Expansion — Ex*pan sion, n. [L. expansio: cf. F. expansion.] 1. The act of expanding or spreading out; the condition of being expanded; dilation; enlargement. [1913 Webster] 2. That which is expanded; expanse; extend surface; as, the expansion of a sheet or… … The Collaborative International Dictionary of English
Expansion coupling — Expansion Ex*pan sion, n. [L. expansio: cf. F. expansion.] 1. The act of expanding or spreading out; the condition of being expanded; dilation; enlargement. [1913 Webster] 2. That which is expanded; expanse; extend surface; as, the expansion of a … The Collaborative International Dictionary of English
Expansion curve — Expansion Ex*pan sion, n. [L. expansio: cf. F. expansion.] 1. The act of expanding or spreading out; the condition of being expanded; dilation; enlargement. [1913 Webster] 2. That which is expanded; expanse; extend surface; as, the expansion of a … The Collaborative International Dictionary of English
Expansion gear — Expansion Ex*pan sion, n. [L. expansio: cf. F. expansion.] 1. The act of expanding or spreading out; the condition of being expanded; dilation; enlargement. [1913 Webster] 2. That which is expanded; expanse; extend surface; as, the expansion of a … The Collaborative International Dictionary of English
Expansion joint — Expansion Ex*pan sion, n. [L. expansio: cf. F. expansion.] 1. The act of expanding or spreading out; the condition of being expanded; dilation; enlargement. [1913 Webster] 2. That which is expanded; expanse; extend surface; as, the expansion of a … The Collaborative International Dictionary of English
Expansion valve — Expansion Ex*pan sion, n. [L. expansio: cf. F. expansion.] 1. The act of expanding or spreading out; the condition of being expanded; dilation; enlargement. [1913 Webster] 2. That which is expanded; expanse; extend surface; as, the expansion of a … The Collaborative International Dictionary of English
Expansion chamber — An Expansion chamber is an exhaust system used on a two stroke cycle engine to enhance its power output by improving its volumetric efficiency. It makes use of the energy left in the burnt exhaust exiting the cylinder to aid the filling of the… … Wikipedia
Piston — For other uses, see Piston (disambiguation). Components of a typical, four stroke cycle, DOHC piston engine. (E) Exhaust camshaft, (I) Intake camshaft, (S) Spark plug, (V) Valves, (P) Piston, (R) Connecting rod, (C) Crankshaft, (W) Water jacket… … Wikipedia
Piston ring — A piston ring is an open ended ring that fits into a groove on the outer diameter of a piston in a reciprocating engine such as an internal combustion engine or steam engine. The three main functions of piston rings in reciprocating engines are:# … Wikipedia
