发明授权
US08543318B2 Controlled engine shutdown system for a stop-start system and a hybrid electric vehicle
有权
停机启动系统和混合动力汽车控制发动机关闭系统
- 专利标题: Controlled engine shutdown system for a stop-start system and a hybrid electric vehicle
- 专利标题(中): 停机启动系统和混合动力汽车控制发动机关闭系统
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申请号: US12835835申请日: 2010-07-14
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公开(公告)号: US08543318B2公开(公告)日: 2013-09-24
- 发明人: Qi Ma , Robert Douglas Shafto
- 申请人: Qi Ma , Robert Douglas Shafto
- 专利权人: GM Global Technology Operations LLC
- 当前专利权人: GM Global Technology Operations LLC
- 主分类号: F02D28/00
- IPC分类号: F02D28/00 ; F02N11/08 ; F02D17/02
摘要:
An engine system includes a stop-start module that generates a shut down signal to shut down an engine. A friction module that generates a friction signal based on the engine shut down signal. The friction signal indicates an estimate of a sum of friction forces between components of the engine. A position module estimates a position of the engine and generates a position signal. An energy module estimates kinetic energy of the engine based on the friction signal and the position signal. A cylinder deactivation module stops the engine based on the kinetic energy in at least one of (i) a predetermined position and (ii) a predetermined range.
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