tappet


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tappet

a mechanical part that reciprocates to receive or transmit intermittent motion, esp the part of an internal-combustion engine that transmits motion from the camshaft to the push rods or valves
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

tappet

[′tap·ət]
(mechanical engineering)
A lever or oscillating member moved by a cam and intended to tap or touch another part, such as a push rod or valve system.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The "Automotive Tappets Market: Global Industry Trends, Share, Size, Growth, Opportunity and Forecast 2019-2024" report has been added to ResearchAndMarkets.com's offering.
With both oils, the nose of the cam lobe appears polished with practically no abrasive marks and the tappet surface shows signs of a normal wear pattern with light concentric circular marks and radial lines (Figure 7).
Things like worn tappet bores can be bored and fitted with oversize sleeves and main bearing bores, which wear out-of-spec due to fretting between the case halves, are routinely line bored to restore an aligned bed for the crankshaft.
The tappet elevation in the last area corresponds to an interval noted with [[PHI].sub.3] and is defined by a fourth-degree polynom according to the relation:
As the weather was very cold, I put the ticking noise from its hydraulic tappets down to cold-starting.
Mercedes springs a cylinder cut-out system for its new 5.OL V-8, while Honda debuts a VTEC for engines with bucket-type tappets.
The press will cover 35 square metres of floor space and will enable the factory to press tappet blanks to 'near net shape' i.e.
"Because in one out of every three engines we see coming through here, there's tappet and cam spalling," Weiss answered.
A bolted bed plate has been added to the underside of the block to reduce lower end flexing and the tappet cavities have been enclosed within the block itself.
Picture something along the lines of Monster Garage and Real TV meets NPR's "Click and Clack the Tappet brothers" and you'll get the general idea.
The problem centers on tappet bodies with part numbers of 657913, 657915 or 657916, whether purchased individually or in a parts kit.