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

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

Each stamp has a tappet at the back, which requires to be daubed with grease on the lower side that it can be raised more easily.

From De Re Metallica, Translated from the First Latin Edition of 1556 by Agricola, Georgius

This position is maintained by the resting of the pawls, n, upon the tappet, o, until the lowering of the corresponding plate has set the pawl, n, free.

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

A. Of two main valves, actuated by tappet rods which enter into the hollow piston rods, and are moved by tappet plates, which are fastened to the steam piston heads.

From The Traveling Engineers' Association To Improve The Locomotive Engine Service of American Railroads by Anonymous

A tappet E on the bell of the gasholder comes into contact with, and depresses, the open end of the swivelled pipe when the bell falls below a certain point.

From Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power by Leeds, F. H. (Frank Henley)