In the following we have the engine type and a cut away view.
Many of the images in this section have been obtained (with permission) from Aircraft Engines Historical Society, Inc, Aviation-History online museum, and the manufacturer's site.
inline piston engine
radial piston engine
Turboshaft engine
turbo shaft engine/ Jet engine
Torboprop
turboprop
turbofan
turbofan
turbojet
turbojet
Rocket engine
Scramjet