crankshaft

noun
crank·​shaft | \ ˈkraŋk-ˌshaft How to pronounce crankshaft (audio) \

Definition of crankshaft

1 : a shaft driven by or driving a crank
2 : a shaft consisting of a series of cranks and crankpins to which the connecting rods of an engine are attached

Examples of crankshaft in a Sentence

Recent Examples on the Web Meanwhile, the mild hybrid technology — a belt alternator starter connected to the crankshaft recovering energy during deceleration and storing this in a compact lithium-ion battery — helps reduce fuel consumption. Nargess Banks, Forbes, 18 June 2021 The 2021 edition is fitted with the company’s new 1,158-cc 90-degree V4 engine, shared with Ducati’s Panigale, with the characteristic counter-rotating crankshaft and twin-pulse firing order. Dan Neil, WSJ, 13 May 2021 Aside from a capacity increase, the new motor gets a lighter crankshaft to deliver more momentum to the tire, and quicker. Peter Jackson, Robb Report, 29 Apr. 2021 Connecting rods and pistons are forged, and both crankshaft and camshaft are made from billet steel. Mike Duff, Car and Driver, 15 Dec. 2020 The capscrews that attach the flywheel to the crankshaft may have been improperly torqued, allowing the flywheel to detach. Detroit Free Press, 6 Mar. 2021 The crankshaft whipping through the oil in the oil pan causes oil to foam. Paul Weissler, Popular Mechanics, 31 Aug. 2020 The crankshaft position sensor tone wheel may delaminate causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall. Detroit Free Press, 4 Sep. 2020 The crankshaft position sensor tone wheel may delaminate causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall. USA TODAY, 4 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'crankshaft.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of crankshaft

1854, in the meaning defined at sense 1

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Time Traveler for crankshaft

Time Traveler

The first known use of crankshaft was in 1854

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Dictionary Entries Near crankshaft

crank press

crankshaft

crank-sided

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Cite this Entry

“Crankshaft.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crankshaft. Accessed 21 Sep. 2021.

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More Definitions for crankshaft

crankshaft

noun

English Language Learners Definition of crankshaft

: a long metal piece that connects a vehicle's engine to the wheels and helps turn them

More from Merriam-Webster on crankshaft

Britannica.com: Encyclopedia article about crankshaft

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