tappet

tappet
tappet [tap′it]
n.
[ TAP1 + -ET]
a sliding rod in an engine or machine moved by intermittent contact with a cam and used to move another part, as a valve

English World dictionary. . 2014.

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  • Tappet — Tap pet, n. (Mach.) A lever or projection moved by some other piece, as a cam, or intended to tap or touch something else, with a view to produce change or regulate motion. G. Francis. [1913 Webster] {Tappet motion}, a valve motion worked by… …   The Collaborative International Dictionary of English

  • tappet — ► NOUN ▪ a lever or projecting part on a machine which intermittently makes contact with a cam or other part so as to give or receive motion. ORIGIN from TAP(Cf. ↑tapper) …   English terms dictionary

  • Tappet — [ Ford I4 DOHC engine, showing the tappet just under the cam lobe] A tappet in mechanical engineering is a projection which imparts a linear motion to some other component within an assembly. Properly speaking, a tappet is only that part of a… …   Wikipedia

  • tappet — [1] The screw used to adjust the clearance between the valve stem and the lifter or the rocker arm. [2] The valve lifter itself. See barrel tappet bucket tappet cam follower flat tappet hydraulic tappet …   Dictionary of automotive terms

  • Tappet motion — Tappet Tap pet, n. (Mach.) A lever or projection moved by some other piece, as a cam, or intended to tap or touch something else, with a view to produce change or regulate motion. G. Francis. [1913 Webster] {Tappet motion}, a valve motion worked… …   The Collaborative International Dictionary of English

  • Tappet rod — Tap pet rod (Mech.) A rod carrying a tappet or tappets, as one for closing the valves in a Cornish pumping engine. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

  • tappet wrench — A wrench designed for adjusting valve clearances on OHV engines with bucket tappet assembly that use an adjusting screw instead of valve shims for adjustment …   Dictionary of automotive terms

  • tappet rod — noun : a rod carrying or actuating a tappet (as for opening or closing the valves in a steam or internal combustion engine) …   Useful english dictionary

  • tappet-loom — tappˈet loom , ● tappet …   Useful english dictionary

  • tappet — noun Etymology: irregular from 3tap Date: 1745 a lever or projection moved by some other piece (as a cam) or intended to tap or touch something else to cause a particular motion …   New Collegiate Dictionary

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