Invention Grant
- Patent Title: Machine powertrain control system and method
- Patent Title (中): 机械动力总成控制系统及方法
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Application No.: US13676385Application Date: 2012-11-14
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Publication No.: US09079575B2Publication Date: 2015-07-14
- Inventor: Aaron Y. Ho , Mark D. Anderson , Michael D. Mitchell , Cynthia A. Nastav , Ming Zhang , Derek J. Light
- Applicant: Caterpillar Inc.
- Applicant Address: US IL Peoria
- Assignee: Caterpillar Inc.
- Current Assignee: Caterpillar Inc.
- Current Assignee Address: US IL Peoria
- Agency: Leydig,Voit & Mayer, Ltd.
- Main IPC: B60W10/06
- IPC: B60W10/06 ; B60W10/02 ; B60W30/19 ; F16H61/14

Abstract:
A machine having a powertrain including an engine operably connected to a torque converter and a transmission. The machine includes a control system receive an activation signal indicative of an automatic mode operation of the machine and command the torque converter to remain in a direct-drive mode while the transmission shifts from a first gear ratio to a second gear ratio. The control system also limits engine speed below a first engine speed limit when a gear ratio setting of the transmission is indicative of the second gear ratio.
Public/Granted literature
- US20140135172A1 MACHINE POWERTRAIN CONTROL SYSTEM AND METHOD Public/Granted day:2014-05-15
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