Abstract: A fan feasible for hot swap in a system is disclosed. The fan includes a contact device having contact terminals welded to a flat plate member. The contact terminals have respective one ends thereof welded to the conductive wire of the rotor device of the fan, and the other ends remain free. The free ends allow the fan to be electrically connected to the system in a contact manner so as to be easily replaced. The flat plate member is attached to a fan guard of the fan in a sliding manner or a snap-engagement manner without any auxiliary tool.

Abstract: A fan feasible for hot swap in a system is disclosed. The fan includes a contact device having contact terminals welded to a flat plate member. The contact terminals have respective one ends thereof welded to the conductive wire of the rotor device of the fan, and the other ends remain free. The free ends allow the fan to be electrically connected to the system in a contact manner so as to be easily replaced. The flat plate member is attached to a fan guard of the fan in a sliding manner or a snap-engagement manner without any auxiliary tool.

Abstract: An oil sleeve bearing device for holding a shaft of a motor in a motor base and permitting smooth revolving of the shaft therein is disclosed. The oil sleeve bearing device includes a sleeve bearing for holding the shaft, a bearing holder for supporting the sleeve bearing, and a securing member for positioning the sleeve bearing and the shaft in the bearing holder, and there exists a room among the sleeve bearing, the bearing holder, and the securing member for storing oil which can be supplied to the sleeve bearing for lubrication. A buckle structure of the securing member is also disclosed so as to allow the sleeve bearing and the shaft to be easily secured to the bearing holder.