Invention Grant
- Patent Title: Method and system for engine control
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Application No.: US15648787Application Date: 2017-07-13
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Publication No.: US10677172B2Publication Date: 2020-06-09
- Inventor: Joseph Norman Ulrey , John Eric Rollinger , Michael Howard Shelby , Jianwen James Yi
- Applicant: Ford Global Technologies, LLC
- Applicant Address: US MI Dearborn
- Assignee: Ford Global Technologies, LLC
- Current Assignee: Ford Global Technologies, LLC
- Current Assignee Address: US MI Dearborn
- Agency: Geoffrey Brumbaugh McCoy Russell LLP
- Main IPC: B60W10/06
- IPC: B60W10/06 ; F02D13/02 ; F02N19/04 ; B60W10/08 ; B60W30/192 ; B60W20/40 ; B60W20/16 ; F02D21/04 ; F02D23/02 ; F02N19/00 ; F02D41/00

Abstract:
Methods and systems are provided for using compression heating to heat a cylinder piston before cylinder combustion is resumed. Cylinder heating is achieved using combinations of slow unfueled engine rotation where the engine cylinders are heated via compression stroke heating, and slow compressor rotation where the cylinders are heated via compression heating. One or more intake or exhaust heaters may be concurrently operated to expedite cylinder heating.
Public/Granted literature
- US20170306858A1 METHOD AND SYSTEM FOR ENGINE CONTROL Public/Granted day:2017-10-26
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