FAN CLUTCH CONSTRUCTION AND METHOD OF MAKING

摘要

A fan clutch construction and method of making the same are provided, the fan clutch construction (20) comprising a drive plate (28) rotatably mounted in a chamber (26) of a housing (21) and a scoop plate (43) disposed in the chamber (26) and being operatively interconnected to the housing (21) to cause rotation of the housing when the scoop plate (43) is rotated by the rotation of the drive plate (28), the scoop plate (43) having a dam (59) that cooperates with the drive plate (28) to cause rotation of the scoop plate (43) through a fluid coupling drive arrangement with the drive plate (28), the dam (59) having a surface (61) that provides a substantially zero clearance with the drive plate (28) when relative movement is provided between the drive plate (28) and the scoop plate (43).