Patent ID: 7368913

Claim:
An apparatus for providing forced airflow to a surface of a cylindrical gradient coil in a cylindrical magnet assembly including a cylindrical magnet and a first annular gap between the gradient coil and the magnet, the gradient coil mounted inside the magnet, the apparatus comprising: a first manifold tube having an annular shape and located in the first annular gap between the gradient coil and the magnet, the first manifold tube comprising: at least one inlet on a first side of the first manifold tube; and a plurality of outlet holes on a second side of the first manifold tube; wherein the first manifold tube is mounted around an outside diameter of the gradient coil at an end of the cylindrical gradient coil and the first manifold tube is in contact with an outside surface of the gradient coil; and an air source coupled to at least one inlet of the first manifold tube and configured to provide airflow to the first manifold tube.