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

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.
References in periodicals archive ?
Cams are especially vulnerable because the contact surfaces between the cam lobes and the tappets are under as much as 100,000 PSI of pressure.
This report covers the present scenario and the growth prospects of the global automotive tappets market for the period 2015-2019.
The press will cover 35 square metres of floor space and will enable the factory to press tappet blanks to 'near net shape' i.
It also applies diamondlike coatings to such high-volume automotive parts as valvetrain tappets and diesel injection components.
John Taylor, director & general manager of the Automotive Division at Schaeffler (UK) Ltd, also commented: "The Award was in recognition of our company's excellent performance as a supplier of tappets to the Nissan Sunderland plant.
A IT'S no big deal, but it does sound like you have a dry tappet.
However, since it is Honda's first VTEC system since the 1983 original that's designed to work with bucket-type, direct-acting tappets, it's a natural for dohc auto mobile engines.
While that's a good thing, it doesn't necessarily save money at overhaul because although the cam might not be worn, the roller tappets (at $260 per) are required replacement items.
The group undertook the task of trying to reduce the waste of cutting fluid used in the machining of engine components, namely cam followers or tappets.
On the service side, Deutz said oil change intervals of 250 hours combined with closed crankcase ventilation and hydraulic tappets offer a low-maintenance package.