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An Energy Conserved Hydrodynamic Journal Bearing by the Boundary Slippage Technology

[ Vol. 9 , Issue. 1 ]


Yongbin Zhang   Pages 63 - 70 ( 8 )


The paper reports an energy conserved hydrodynamic journal bearing registered in a patent, which was realized by the boundary slippage technology. This kind of bearing possesses an obviously better operation in the carried load and the friction coefficient than a conventional type of bearing for the same operating condition especially when the eccentricity ratio of the bearing is no more than 0.28. The increase of the load-carrying capacity of this bearing can reach 100%, while at the same time the reduction of the friction coefficient of this bearing can be 60%, compared to a conventional bearing in the same operating condition. The energy conservation and load improvement effects of this bearing is very significant.


Bearing, boundary slippage, energy, friction, hydrodynamics, load.


College of Mechanical Engineering, Changzhou University, Changzhou, Jiangsu Province, P.R. China.

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