The intake valve would close right as the piston bottoms out.

The intake valves and ports were slightly larger on the early engines.

"it draws air through an intake valve that's covered with a filter," I reminded him.

The blue line rises sharply as the intake valve closes.

Following the exhaust stroke, the intake valve is prevented from opening.

They are filled with water through an intake valve (at the highest end of the construction).

When you start your car, an intake valve opens inside one of the engine cylinders.

Can you tell if the intake valve to my mask is iced up?

The system was released in the Porsche 968 and operated on the intake valves only.

"Just that little point about the intake valves and the ballast tanks."