Limited slip differential performance simulation procedure

Measuring and testing – Vehicle chassis – Steering

Reexamination Certificate

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Reexamination Certificate

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11128528

ABSTRACT:
A method of simulating a split μ axle test for limited slip differentials for automotive applications. The method includes treating a clutch pack for a limited slip differential in a lubricant composition for a first period of time at a predetermined temperature. The clutch pack is mounted in a friction testing rig. A predetermined amount of test fluid is provided to the testing rig. A drive for the testing rig is cycled on and off for a predetermined number of on and off cycles. When the drive is on, a predetermined relative rotational speed between friction plates and metal plates in the clutch pack is generated.

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“Prediction of Anti-Shudder Properties of Automatic Transmission Fluids Using a Modified SAE No. 2 Machine”, Ohtani et al., SAE Technical Paper 940821, 1994.
“Additive Technology for Limited Slip Differentials” Rafel Flores, Master's Thesis, Lulea University of Technology, 179 CIV, 2004.

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