Patent ID: 6419064
Filing Date: 2002-07-16
Classification: F01P,F16D,F16K

Abstract:
A fluid friction coupling for transmitting a torque to a drive fan, comprising:an input shaft; a component defining a working chamber and a supply chamber for viscous fluid, said component further comprising a partition arranged between said working chamber and said supply chamber and having a connection opening, wherein torque is transmitted from said input shaft to said component as a function of viscous fluid level in said working chamber; a valve body movably arranged in said component for selectively releasing and closing said connection opening; a control element connected to said valve body; and a solenoid operatively connected for moving said control element such that said valve body is movable via said solenoid, wherein said control element comprises an anchor plate arranged proximate said solenoid and a control part connected between said anchor plate and said valve body, said component comprising a housing with a wall between said solenoid and said valve body, and said control part penetrating said wall of said housing, and wherein said control part is pivotably mounted on one of said anchor plate and said valve body.