Share this entry

Share this page

valve gear

Line breaks: valve gear

Definition of valve gear in English:

noun

The mechanism that controls the opening and closing of the cylinder valves in a steam engine or internal-combustion engine.
Example sentences
  • Without a way to rebuild the engine at the track, he sat out the rest of qualifying and rolled the car out for the first round of eliminations with the valve gear on the offending cylinder disabled, so the car was running on three cylinders.
  • The engine features refinements such as a redesigned alternator, an engine-mounted air-filter and valve gear utilising roller-ended rocker arms.
  • So long a run could not have been achieved before modification of the valve gear, as the high coal consumption would have emptied the tender of fuel far from ‘home’.

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day snarf
Pronunciation: snɑːf
verb
eat or drink quickly or greedily