192 clutches and power-stop control – Elements – Engaging surfaces
Reexamination Certificate
2006-05-09
2006-05-09
Rodriguez, Saul (Department: 3681)
192 clutches and power-stop control
Elements
Engaging surfaces
C192S113340
Reexamination Certificate
active
07040475
ABSTRACT:
A friction member for engagement in a torque-transmitting mechanism includes a friction surface for sliding contact with an opposing reaction member in a torque-transmitting mechanism. The sliding contact is characterized by a coefficient of friction and acts to engage the friction member with the reaction member in the torque-transmitting mechanism. The friction member is characterized by a first modulus of elasticity in a first direction, preferably substantially normal to the sliding contact, and a second modulus of elasticity in a second direction, preferably substantially parallel to the sliding contact. The second modulus of elasticity is greater than the first modulus of elasticity and the moduli of elasticity cooperate to at least partially establish the coefficient of friction and control vibrational shudder. First and second channels may be formed in the first and second directions of the friction member, respectively, for transporting lubricant to at least partially increase the coefficient of friction and decrease vibrational shudder, respectively.
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DeVries Christopher
General Motors Corporation
Rodriguez Saul
LandOfFree
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