US Patent 7436662 Hot swappable cooling fan system

A computer system includes a housing having a base and a door positioned opposite the base and a cooling system. The cooling system includes a support rack that is connected to the base and a first cooling fan that is removably attached to the support rack with a plurality of mounting systems. The mounting systems each include a mount that extends away from the cooling fan in a direction substantially parallel to a rotational axis of the cooling fan and/or the mount extends in a direction substantially parallel to an area, proximate the first cooling fan, of the door. The support rack is configured to position the first cooling fan away from the housing.