Research on the method of adjusting main pressure for HD4070PR automatic transmission

Wen Tao Sun*, Hui Yan Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

On the basis of describing the principle of adjusting main pressure and establishing the model of clutch engaging process for the electronic automatic transmission, the different torques transfered by the transmission and the influence of main pressure on shifting process under different gears were analyzed, and the necessary of adjusting main pressure was proposed. The principle and the method of adjusting main pressure were obtained by analyzing the electro-hydraulic control system of HD4070PR automatic transmission. The adjusting technique of main pressure was verified by an experiment, and the improvement of shifting equality was analyzed by the experimented data.

Original languageEnglish
Pages (from-to)657-662
Number of pages6
JournalBinggong Xuebao/Acta Armamentarii
Volume30
Issue number6
Publication statusPublished - Jun 2009

Keywords

  • Adjusting main pressure
  • Electronic-automatic transmission
  • Mechanical design
  • Shifting quality

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Sun, W. T., & Chen, H. Y. (2009). Research on the method of adjusting main pressure for HD4070PR automatic transmission. Binggong Xuebao/Acta Armamentarii, 30(6), 657-662.