heat plug

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• heat range — Refers to the operating temperature of a given style of spark plug. Plugs are made to operate at different temperatures depending upon the thickness and length of the porcelaininsulator as measured from the sealing ring down to the tip. In this… …   Dictionary of automotive terms

• Plug flow reactor model — The plug flow reactor (PFR) model is used to describe chemical reactions in continuous, flowing systems. The PFR model is used to predict the behaviour of chemical reactors, so that key reactor variables, such as the dimensions of the reactor,… …   Wikipedia

• Plug-in hybrid — The Chevrolet Volt is the first mass production plug in hybrid available in the United States. A plug in hybrid electric vehicle (PHEV), plug in hybrid vehicle (PHV), or plug in hybrid is a hybrid vehicle which utilizes rechargeable batteries, or …   Wikipedia

• heat path — The path along which heat passes from the spark plug tip to the water jacket …   Dictionary of automotive terms

• heat range reserve — the distance to the start of pre ignition under further increasing thermal loading of the spark plug. This reserve is expressed in degrees crankshaft, the amount by which the factory set ignition timing can be further advanced without preignition …   Dictionary of automotive terms

• Spark plug — A spark plug (also, very rarely nowadays, in British English: a sparking plug) is an electrical device that fits into the cylinder head of some internal combustion engines and ignites compressed aerosol gasoline by means of an electric spark.… …   Wikipedia

• Glow plug (model engine) — For the glow plugs used in automotive diesel engines, see Glowplug A glow plug (alternatively spelled glowplug or glow plug) is a device, similar to a spark plug, used to ignite the fuel in the very small internal combustion engines typically… …   Wikipedia

• Fusible plug — A fusible plug is a threaded metal plug, usually made out of bronze, brass, or gunmetal. The plug typically has a tapered hole drilled completely through its length. This hole is then sealed with a metal of low melting point, usually lead or tin …   Wikipedia

• History of plug-in hybrids — The history of plug in hybrid electric vehicles (PHEVs) spans a little more than a century. Most of the significant commercial developments have taken place after 2002.1899 1999Hybrid vehicles were produced beginning as early as 1899 by Lohner… …   Wikipedia

• Fire plug — Fire Fire (f[imac]r), n. [OE. fir, fyr, fur AS. f[=y]r; akin to D. vuur, OS. & OHG. fiur, G. feuer, Icel. f[=y]ri, f[=u]rr, Gr. py^r, and perh. to L. purus pure, E. pure Cf. {Empyrean}, {Pyre}.] 1. The evolution of light and heat in the… …   The Collaborative International Dictionary of English

• cold plug — A spark plug which has a short insulator nose which absorbs less heat and dissipates heat quickly. A colder plug is used in a hot engine while a hot plug is used in a cold engine. Thus if the plugs are fouling too much, try a hotter plug. If the… …   Dictionary of automotive terms