Definition of tappet in English:

tappet

noun ˈtapɪtˈtæpət

A moving part in a machine which transmits motion in a straight line between a cam and another part.
Example sentencesExamples
- Very small roller cam followers are installed in the cylinder head to operate the valves instead of the conventional bucket-type tappets, and here friction is cut by about 70 per cent.
- The 16-valve has twin, chain-driven, overhead camshafts and hydraulic tappets, while the 8-valve format uses a single camshaft.
- The real breakthrough in lifter design for street and moderate competition applications was the marriage of roller tappets with hydraulic lifters.
- Contact between the cams and the tappets in the valve train span the mixed and boundary regions.
- The barrier valve furthermore has a tappet, which engages the support body and is movable relative to the armature and carries a closing body of a seat valve.

Origin

Mid 18th century: apparently an irregular diminutive of tap².

Definition of tappet in US English:

tappet

nounˈtapətˈtæpət

A lever or projecting part on a machine that intermittently makes contact with a cam or other part so as to give or receive motion.
挺杆，推杆
Example sentencesExamples
- Contact between the cams and the tappets in the valve train span the mixed and boundary regions.
- Very small roller cam followers are installed in the cylinder head to operate the valves instead of the conventional bucket-type tappets, and here friction is cut by about 70 per cent.
- The barrier valve furthermore has a tappet, which engages the support body and is movable relative to the armature and carries a closing body of a seat valve.
- The 16-valve has twin, chain-driven, overhead camshafts and hydraulic tappets, while the 8-valve format uses a single camshaft.
- The real breakthrough in lifter design for street and moderate competition applications was the marriage of roller tappets with hydraulic lifters.

Origin

Mid 18th century: apparently an irregular diminutive of tap.

词汇	tappet
释义	Definition of tappet in English: tappet noun ˈtapɪtˈtæpət A moving part in a machine which transmits motion in a straight line between a cam and another part. Example sentencesExamples Very small roller cam followers are installed in the cylinder head to operate the valves instead of the conventional bucket-type tappets, and here friction is cut by about 70 per cent. The 16-valve has twin, chain-driven, overhead camshafts and hydraulic tappets, while the 8-valve format uses a single camshaft. The real breakthrough in lifter design for street and moderate competition applications was the marriage of roller tappets with hydraulic lifters. Contact between the cams and the tappets in the valve train span the mixed and boundary regions. The barrier valve furthermore has a tappet, which engages the support body and is movable relative to the armature and carries a closing body of a seat valve. Origin Mid 18th century: apparently an irregular diminutive of tap². Definition of tappet in US English: tappet nounˈtapətˈtæpət A lever or projecting part on a machine that intermittently makes contact with a cam or other part so as to give or receive motion. 挺杆，推杆 Example sentencesExamples Contact between the cams and the tappets in the valve train span the mixed and boundary regions. Very small roller cam followers are installed in the cylinder head to operate the valves instead of the conventional bucket-type tappets, and here friction is cut by about 70 per cent. The barrier valve furthermore has a tappet, which engages the support body and is movable relative to the armature and carries a closing body of a seat valve. The 16-valve has twin, chain-driven, overhead camshafts and hydraulic tappets, while the 8-valve format uses a single camshaft. The real breakthrough in lifter design for street and moderate competition applications was the marriage of roller tappets with hydraulic lifters. Origin Mid 18th century: apparently an irregular diminutive of tap.
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