Patent ID: 7311189
Filing Date: 2007-12-25
Classification: F16D,Y10S,Y10T

Abstract:
1. A fan clutch device to be removably mounted to a drive member, the fan clutch device comprising: a hub portion that, when the fan clutch device is mounted to a drive member, is selectively movable relative to the drive member; and a piston portion adjustable in an axial direction relative to the drive member when the fan clutch device is mounted to a drive member, the piston portion being adjustable between a first operative position and a second operative position; a single spring device arranged between at least a portion of the hub portion and at least a portion of the piston portion to urge the piston portion toward one of the first position and the second position; wherein the fan clutch device has a self-contained construction such that the hub portion, the piston portion, and the single spring device remain assembled to one another without a separate clamp device when the fan clutch device is separated from the drive member.