What is the difference between OHV, OHC, SOHC and DOHC engines?

4 0 Sohc Engine Diagram Intake

Engine sohc dohc ohc ohv engines components samarins car difference between cylinder valves bike working glossary per article What is the difference between ohv, ohc, sohc and dohc engines?

What is the difference between OHV, OHC, SOHC and DOHC engines?

What is the difference between OHV, OHC, SOHC and DOHC engines?
What is the difference between OHV, OHC, SOHC and DOHC engines?