through-flow design

noun
UK /ˈθruː.fləʊ dɪˈzaɪn/
US /ˈθruː.floʊ dɪˈzaɪn/

A way of building something so air or water can go in one side and out the other.

The new fan uses a through-flow design so the air moves straight through the box.


OTHER MEANINGS

2. A layout in a building where people can walk straight from the entrance to the back without turning around.

The school's through-flow design lets students move quickly between the front door and the playground.

3. A way of arranging a machine so liquid keeps moving instead of sitting still.

The filter's through-flow design keeps the water clean as it passes through.

4. A plan for a factory where materials move in a straight line from one step to the next.

With a through-flow design, the toy parts travel from painting to packing without going backward.