Invention Grant
- Patent Title: Shift control device for automatic transmission and control method thereof
- Patent Title (中): 自动变速箱换档控制装置及其控制方法
-
Application No.: US12391545Application Date: 2009-02-24
-
Publication No.: US08121764B2Publication Date: 2012-02-21
- Inventor: Naohiro Yamada
- Applicant: Naohiro Yamada
- Applicant Address: JP Fuji-shi
- Assignee: Jatco Ltd.
- Current Assignee: Jatco Ltd.
- Current Assignee Address: JP Fuji-shi
- Agency: Foley & Lardner LLP
- Priority: JP2008-058013 20080307
- Main IPC: G06F17/00
- IPC: G06F17/00

Abstract:
In a shift control device for an automatic transmission according to this invention, when the engine load increases such that a kickdown is required, and a gear position calculated in accordance with the shift map from an operating condition defined by a look-ahead vehicle speed at a predetermined future time is lower than a current gear position and the look-ahead vehicle speed is higher than a predetermined vehicle speed, control is performed to shift to a higher gear position than the target gear position.
Public/Granted literature
- US20090228180A1 SHIFT CONTROL DEVICE FOR AUTOMATIC TRANSMISSION AND CONTROL METHOD THEREOF Public/Granted day:2009-09-10
Information query