Invention Grant
- Patent Title: Dynamic cylinder deactivation life factor to modify cylinder deactivation strategy
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Application No.: US17870452Application Date: 2022-07-21
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Publication No.: US11933202B2Publication Date: 2024-03-19
- Inventor: Timothy R. Frazier , J. Steven Kolhouse , Steven J. Small , Louis Joseph Serrano
- Applicant: Cummins Inc. , Tula Technology, Inc.
- Applicant Address: US IN Columbus
- Assignee: Cummins Inc.,Tula Technology, Inc.
- Current Assignee: Cummins Inc.,Tula Technology, Inc.
- Current Assignee Address: US IN Columbus; US CA San Jose
- Agency: FOLEY & LARDNER LLP
- Main IPC: F01L13/00
- IPC: F01L13/00 ; F01L9/10 ; F02D13/02 ; F02D13/06 ; F02D41/00

Abstract:
Systems and methods to extend a life of a component of a cylinder deactivation system are provided. A method includes generating, by a controller, an initial life factor for the component; initiating, by the controller, a CDA mode for an engine; determining, by the controller, an actual life factor for the component, the actual life factor determined by comparing a number of switching events of a cylinder in the CDA mode to a number of cycles of the cylinder in the CDA mode; comparing, by the controller, the actual life factor to the initial life factor; and modifying, by the controller based on the comparison, operation of the engine in the CDA mode to adjust the actual life factor.
Public/Granted literature
- US20220364486A1 DYNAMIC CYLINDER DEACTIVATION LIFE FACTOR TO MODIFY CYLINDER DEACTIVATION STRATEGY Public/Granted day:2022-11-17
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