tappet

American  

[tap-it] / ˈtæp ɪt /

noun

Machinery.

1. a sliding rod, intermittently struck by a cam, for moving another part, as a valve.

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tappet British  

/ ˈtæpɪt /

noun

1. 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

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Etymology

Origin of tappet

First recorded in 1735–45; tap ¹ + -et

Example Sentences

See Examples For:

tappet

The upper position of the pawls, h, is limited by the direct resting of the levers, m, on the tappet, o, and the lower position by the resting of the pawls, n.

From Scientific American Supplement, No. 315, January 14, 1882 by Various

Come, bumpers high, express your joy, The bowl we maun renew it, The tappet hen, gae bring her ben, To welcome Willie Stewart, You're welcome, Willie Stewart, &c.

From Poems and Songs of Robert Burns by Burns, Robert

In these grooves slides a tappet, n, connected with the axle.

From Scientific American Supplement, No. 492, June 6, 1885 by Various

When the piston nearly reaches the lower end of the cylinder, the tappet, 1, engages the arm, r, closing the steam-valve, b, and the next instant shutting the exhaust-valve, f.

From A History of the Growth of the Steam-Engine by Thurston, Robert H.

By an ingenious rocker arm and tappet rod arrangement it is possible to operate both valves with a single push rod.

From Aviation Engines Design?Construction?Operation and Repair by Pag?, Victor Wilfred