- 专利标题: Method for operating a motor vehicle, and transmission control unit
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申请号: US16315728申请日: 2017-06-08
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公开(公告)号: US10723343B2公开(公告)日: 2020-07-28
- 发明人: Reinhard Vollmar
- 申请人: ZF Friedrichshafen AG
- 申请人地址: DE Friedrichshafen
- 专利权人: ZF FRIEDRICHSHAFEN AG
- 当前专利权人: ZF FRIEDRICHSHAFEN AG
- 当前专利权人地址: DE Friedrichshafen
- 代理机构: Dority & Manning, P.A.
- 优先权: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@15510f17
- 国际申请: PCT/EP2017/063898 WO 20170608
- 国际公布: WO2018/007088 WO 20180111
- 主分类号: B60W10/11
- IPC分类号: B60W10/11 ; B60W10/184 ; B60W30/18 ; B60W30/19 ; F16H61/04
摘要:
A method for operating a motor vehicle having a drive unit (1), a transmission (2), and a driven end (3), where the transmission (2) is an automatic gearbox connected between the driven end (3) and the drive unit (1), and where the transmission (2) has a plurality of shift elements (4). The method includes implementing a downshift from an actual gear into a target gear in the transmission (2) originating from a coasting condition of the motor vehicle by disengaging at least one previously engaged shift element (4) and engaging at least one previously disengaged shift element (4). Additionally, the method includes applying a brake torque at the driven end (3) by a vehicle brake (5), the brake torque depending on the thrust torque present at the driven end (3) before implementing the downshift.
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