intake valve
Noun
Meaning
a valve that controls the flow of fluid through an intake
Source: WordNetSynonyms
Hypernyms
Examples
An engine with high static compression ratio and late intake valve closure will have a DCR similar to an engine with lower compression but earlier intake valve closure.
Factors including late intake valve closure (relatively speaking for camshaft profiles outside of typical production-car range, but not necessarily into the realm of competition engines) can produce a misleadingly low figure from this test.