TORQUE CONVERTER WITH LOCK-UP CLUTCH SPRING
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United States of America Patent
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app pub date -
Aug 24, 2016
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Aug 24, 2016
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Abstract
The invention relates to a torque transmitting device (1) including a torque input element (5). coupled to a crankshaft of an engine, and a torque output element (8) intended to be coupled to a transmission input shaft. The torque transmitting device also includes a damper (13, 17) and a clutch (20, 18) mounted between the torque input element (5) and the torque output element (8). The clutch includes a piston (20) axially movable from an engaged position in which the torque input element (5) is rotationally coupled to the torque output element (8) through the damper (13, 17), and a disengaged position. The clutch further includes an assistance mechanism (24) able to exert an axial force tending to return the clutch piston (20) to the engaged position thereof.
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