Title:
連続可変トランスミッションの制御システムおよび制御方法
Document Type and Number:
Japanese Patent JP2004514103
Kind Code:
A
Abstract:
A control system for a multi-regime continuously variable ratio transmission system. The system has input and output shafts and a continuously variable ratio transmission unit ("variator") connected to the input shaft. Also included is a mixing epicyclic gear train with a first input gear coupled to the input shaft, a second input gear connected to the variator output and an output gear driving an output shaft. Fluid-pressure actuated clutches engage the outputs and ratio combinations to operate the CVT in a number of regimes. The control system includes means for engaging the clutch of a new regime, retaining both clutches engaged in a synchronous mode and disengaging the clutch of the old regime. The control system also has means for applying fluid pressure to engage the new regime clutch in a single stage at the maximum available clutch engaging fluid pressure.
Inventors:
Murray, Stephen William
Application Number:
JP2002543185A
Publication Date:
May 13, 2004
Filing Date:
November 16, 2001
Export Citation:
Assignee:
Toro Trucks (Development) Limited
International Classes:
F16H61/00; F16H61/06; F16H37/08; F16H61/664; (IPC1-7): F16H61/00
Attorney, Agent or Firm:
Masaki Yamakawa