自動車用動力伝達系の摩擦損失に関する研究 : 第2報, 変速機各要素の損失

抄録

In attempts to improve an automotive drive train efficiency, lower viscosity or multi-grade gear oil is used in automotive drive trains. At the previous paper, the authors proposed the method to measure the power loss in automotive drive trains which is based on the temperature rise of lubricant due to the friction in it. Applying this method to an automotive transmission, the power loss is measured with much higher accuracy and could be separated into losses caused by six elements i. e., input gear loss, output gear loss, lubricant churning loss, bearing loss, loss between gear and output shaft, and shift-fork loss.