US Patent 10071625 Flow control assembly and method utilizing apertured shutters

An exemplary flow control assembly includes, among other things, shutters each having at least one aperture. The shutters are configured to move back and forth between a first position and a second position to influence a flow through the at least one aperture. A flow control method includes, among other things, moving a shutters back and forth between a first position and a second position. The first position permits more flow through at least one aperture within each of the shutters than the second position.