- tappet
- noun (C) technical an engine part that moves up and down and makes another part of the engine move, open, close etc
Longman dictionary of contemporary English. 2004.
tappet
Look at other dictionaries:
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 — [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
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
