Asymmetric Gear Noise Sidebands and Application to Planetary Gear Noise Reduction

Yu, Scott; Kaatz, Stephen

doi:10.4271/2005-01-2462

Cited by 3 publications

References 4 publications

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A Research for the Planetary Gear Noise Development in FF 6th Speed Automatic Transmission

Lee

Kang

Kim

et al. 2011

Volume 8: 11th International Power Transmission and Gearing Conference; 13th International Conference on Advanced Vehicle and T

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In order to improve the planetary gear noise of the new developed 6th speed automatic transmission, it needs to understand noise mechanism. Basically, many transmission’s components have an effect on the gear noise. In this paper, planetary gear noise sources which are influenced by gear tooth shapes and backlash among the gears, position of pinion gears, and misalignment of the sun gear are studied and experimented. Also, transfer-path likewise one-way clutch contacted between the carrier and case, and valve-body covers are also researched to reduce the transferred vibration and radiated noise levels. After developing the planetary gear noise, its evaluation specification is adapted to EOL (end of line) equipment to check the transmission’s noise quality in the factory.

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A Research for the Planetary Gear Noise Development in FF 6th Speed Automatic Transmission

Lee

Kang

Kim

et al. 2011

Volume 8: 11th International Power Transmission and Gearing Conference; 13th International Conference on Advanced Vehicle and T

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Prediction of Modulating Side Band Noise in a Automotive Planetary System with Comparison of Three and Four Planet System to Minimize Noise

Deshmane¹,

Kulkarni²,

Kanase³

2013

SAE Technical Paper Series

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An Experimental Study and Analysis on NVH Behaviors of the Planetary Gear Set

Lee¹,

Kang²

2010

Transactions of the Korean Society for Noise and Vibration Engi

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In this paper, Verification of the qualitatively identical relationships existing between simulation data and experimental results allowed for a new analysis procedure of a planetary gear set --in an automatic transmission --to be conducted. Tooth profiles were found to be crucial to the gear mesh forces of the planetary gear set. Based on Kahraman's Model (8) , dynamic resonances of the planetary gear set were found to be out of operating range. Most importantly, a 2DPLANETARY FEM program, an innovative design tool for planetary gear sets, was utilized.

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Asymmetric Gear Noise Sidebands and Application to Planetary Gear Noise Reduction

Cited by 3 publications

References 4 publications

A Research for the Planetary Gear Noise Development in FF 6th Speed Automatic Transmission

A Research for the Planetary Gear Noise Development in FF 6th Speed Automatic Transmission

Prediction of Modulating Side Band Noise in a Automotive Planetary System with Comparison of Three and Four Planet System to Minimize Noise

An Experimental Study and Analysis on NVH Behaviors of the Planetary Gear Set

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